why do the words ‘shake well before using’ indicate that the fruit juice in a carton is a suspension?
Answers
Why do the words “Shake well before using” indicate that the fruit juice is a suspension?
Because some of the particles in a suspension are large enough that they will settle out over time.
Related Questions
Please answer the following question using the data below: H2O vapor content: 13 grams H2O vapor capacity: 52 grams at 25 degrees Celsius 13 grams at 10 ∘
C 52 grams at 30 ∘
C What is the dew point for the conditions listed above? LCL 3π5 25C Relative Humidity =100%
Answers
Given data:H2O vapor content: 13 gramsH2O vapor capacity: 52 grams at 25 degrees Celsius 13 grams at 10∘C52 grams at 30∘CFormula used to find the dew point:$$\dfrac{13}{52}=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$$$\frac{1}{4}=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$
Where A is the constantDew Point:It is the temperature at which air becomes saturated with water vapor when the temperature drops to a point where dew, frost or ice forms. To solve this question, substitute the given data into the formula.$$13/52=\dfrac{(A*3\pi)/(ln100)}{(17.27-A)}$$$$13(17.27-A)=3\pi A(ln100)$$By simplifying the above expression, we get$$A^2-17.27A+64.78=0$$Using the quadratic formula, we get$$A=9.9,7.4$$
The dew point is 7.4 since it is less than 10°C.More than 100:The term "More than 100" has not been used in the question provided.
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how many grams of tin (ll) fluoride are produced if 45.0 grams HF are reacted
Answers
Approximately 176.3 grams of tin (II) fluoride (SnF2) are produced when 45.0 grams of HF react.
The balanced chemical equation for the reaction between hydrofluoric acid (HF) and tin (II) fluoride (SnF2) is:
2 HF + SnF2 → SnF4 + 2 HCl
This equation tells us that for every 2 moles of HF that react with SnF2, we will get 1 mole of SnF4 produced.
To determine how many grams of SnF2 are produced from 45.0 grams of HF, we need to first convert the mass of HF to moles using its molar mass. The molar mass of HF is approximately 20.01 g/mol:
45.0 g HF × (1 mol HF / 20.01 g HF) = 2.25 mol HF
According to the balanced equation, 2 moles of HF react with 1 mole of SnF2. Therefore, we can determine the moles of SnF2 produced by dividing the moles of HF by 2:
2.25 mol HF ÷ 2 = 1.125 mol SnF2
Finally, we can convert the moles of SnF2 to grams using its molar mass, which is approximately 156.70 g/mol:
1.125 mol SnF2 × (156.70 g SnF2 / 1 mol SnF2) ≈ 176.3 g SnF2
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Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. 60° A B 45° W C\1050 The measurement of angle B is The measurement of angle A is The measurement of angle C is entum. All rights reserved.
Answers
Answer:
blobby`
Explanation:
abc
whats a known example of physical vs chemical changes?
Whats a known example of physical vs chemical properties?
Answers
a. Example of physical change: Melting of ice
Example of chemical change: Burning of paper
b. Example of physical property: Density of a substance
Example of chemical property: Reactivity of a substance
a. A known example of a physical change is the change of state of water. When water is heated, it undergoes a physical change from a solid state (ice) to a liquid state (water) and further to a gaseous state (water vapor). The chemical composition of water remains the same throughout these changes, and only the arrangement and energy of the water molecules change.
On the other hand, a known example of a chemical change is the combustion of wood. When wood is burned, it undergoes a chemical change where the molecules of wood react with oxygen from the air to produce carbon dioxide, water vapor, and other combustion products. The chemical composition of wood is altered during this process, and new substances are formed.
b. Physical properties are characteristics of a substance that can be observed or measured without changing its chemical composition. For example, the physical properties of water include its boiling point, melting point, density, color, and transparency. These properties describe how water behaves and reacts under different conditions, but they do not involve any changes in its chemical identity.
Chemical properties, on the other hand, describe the ability of a substance to undergo chemical changes and react with other substances. For example, the ability of iron to rust when exposed to oxygen and moisture is a chemical property. It involves a chemical reaction where iron reacts with oxygen to form iron oxide.
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one natural source of carbon dioxide.
Answers
Answer: decomposing biomass
simply changing one of the hydroxyl groups in morphine to a methyl ether group results in what what drug? nicotine codeine ketamine thc
Answers
The correct answer is option B. Codeine is a drug made by changing one of the hydroxyl groups in morphine to a methyl ether group.
It is an opioid analgesic used to treat coughing, diarrhoea, and other illnesses as well as mild to moderate pain. The opioid medication class includes codeine, which is made from the opium plant. In order to lessen the experience of pain, it functions by attaching to opioid receptors in the brain, spinal cord, and gastrointestinal system.
To increase its benefits and lower the danger of addiction, it is frequently administered in conjunction with other drugs, such as paracetamol.
Codeine comes in pill, liquid, and injection forms, and it is occasionally mixed with other drugs such expectorants, decongestants, and antihistamines.
Although codeine can become habit-forming and addictive if used in high dosages or for longer periods of time than recommended, it is crucial to follow a doctor's instructions properly.
Complete Question:
Which drug is made by changing one of the hydroxyl groups in morphine to a methyl ether group?
A. Nicotine
B. Codeine
C. Ketamine
D. THC
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which of the following is a main group element? a) yttrium b) osmium c) holmium d) californium e) bismuth
Answers
The bismuth is the main group element among the options listed, while yttrium, osmium, holmium, and californium are transition metals.
The main group elements are those located in Groups 1, 2 and 13 to 18 of the periodic table.
With that in mind, the main group element among the options listed is bismuth, denoted as Bi.Bismuth is a chemical element with the symbol Bi and atomic number 83.
It is classified as a post-transition metal and is the most stable element among those with atomic numbers 81 through 84. Bismuth has many uses, including in cosmetics, alloys, and pharmaceuticals.It is located in group 15, period 6 of the periodic table.
The atomic number of bismuth is 83, which is greater than the atomic number of the elements yttrium (39), osmium (76), holmium (67), and californium (98).
Therefore, bismuth is the main group element among the options listed, while yttrium, osmium, holmium, and californium are transition metals.
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if 38.7 of tin(iv) phosphate is mixed with an excess of sodium carbonate, how many grams of tin(iv) carbonate will form?
Answers
If 38.7 of tin(iv) phosphate is mixed with an excess of sodium carbonate, then 80.0 grams of tin(IV) carbonate will form.
What is meant by molar mass?The ratio between the mass and amount of substance ( that is measured in moles) of any sample is called molar mass.
The balanced chemical equation for the reaction between tin(IV) phosphate and sodium carbonate is:
Sn3(PO4)4 + 4Na2CO3 → 4Na3PO4 + 3SnCO3
0.387 x 100 g = 38.7 g
3 x 118.71 g/mol = 356.13 g/mol
Therefore, 38.7 grams of tin(IV) phosphate is equal to:
38.7 g / 356.13 g/mol = 0.1086 mol of Sn3(PO4)4
3 moles of SnCO3 / 1 mole of Sn3(PO4)4 x 0.1086 mol of Sn3(PO4)4 = 0.3258 mol of SnCO3
Molar mass of SnCO3 = 245.69 g/mol
Mass of SnCO3 = 0.3258 mol x 245.69 g/mol = 80.0 g
Therefore, 80.0 grams of tin(IV) carbonate will form.
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what is the molecular polarity of the following lewis structure
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Will made a cup of hot tea and placed it on the tableA few minutes later, he picked up the cup and touched the warm table where the cup had been sitting put the cup back in the same place and left the kitchenWhen he returned a few hours later , he noticed the table and the cup felt the same temperature as other Which of these statements best describes the heat flow between the cup and the table?
A The heat flowed from the table to the cup through the process of convection
B The heat flowed from the table to the cup through the process of conduction
C.The heat flowed from the cup to the table through the process of conduction.
D. The heat flowed from the cup to the table through the process of convection
Answers
A solution of NiCl2 with a volume of 50 mL and concentration of 0.10 M is diluted to a volume of 0.10 L. What is the concentration of the resulting solution? Select the correct answer below: O 5.0M O 0.05 M O 50 M 0.50 M
Answers
The concentration of the resulting solution is 0.05 M. The correct answer is 0.05 M.
To find the concentration of the resulting solution, we will use the dilution formula:C1V1 = C2V2
where C1 is the initial concentration, V1 is the initial volume, C2 is the final concentration, and V2 is the final volume.
Initial concentration (C1) = 0.10 M
Initial volume (V1) = 50 mL = 0.050 L (converted to liters)
Final volume (V2) = 0.10 LNow, let's plug in these values into the dilution formula:
(0.10 M)(0.050 L) = C2(0.10 L)To solve for C2, divide both sides by 0.10 L:
C2 = (0.10 M)(0.050 L) / (0.10 L)
C2 = 0.0050 M / 0.10
C2 = 0.05 MSo, the concentration of the resulting solution is 0.05 M. The correct answer is 0.05 M.
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what is the purpose of aluminum filtration in the x-ray tubehead?
Answers
The purpose of aluminum filtration in the x-ray tube head is to remove low-energy, less penetrating x-rays from the x-ray beam.
Aluminum filtration is an essential component of the x-ray tube head in medical imaging. It involves the insertion of aluminum sheets or filters into the path of the x-ray beam. The primary purpose of this filtration is to selectively absorb or attenuate low-energy x-rays, which are less penetrating and can contribute to unnecessary patient radiation dose without providing significant diagnostic information.
When the x-ray beam passes through the aluminum filter, it preferentially absorbs the lower-energy x-ray photons. This filtration process helps to "harden" the x-ray beam by removing the less energetic x-rays. As a result, the remaining x-ray beam that reaches the patient or the image receptor consists mainly of higher-energy photons, which are more penetrating and can pass through the body to create clearer images.
Aluminum is commonly used as the material for filtration because it has the appropriate attenuation properties to absorb the lower-energy x-rays effectively while allowing higher-energy x-rays to pass through. The thickness or composition of the aluminum filter can be adjusted to achieve the desired level of beam hardening, depending on the imaging requirements and the energy spectrum of the x-ray tube.
Aluminum filtration in the x-ray tube head serves the purpose of removing low-energy x-rays from the beam, reducing patient radiation dose while improving image quality by allowing mainly higher-energy, more penetrating x-rays to reach the patient or the image receptor.
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im giving out the game the last of us part 2 who wants it
Answers
Answer:
YEESSS
Explanation:
Because that seems like the only logical answer.
Answer:
YES
Explanation:
YES
Why does every chemical reaction require a certain amount of activation energy?
A Energy is released when the reactants begin to react.
B. Energy lost to the environment during the reaction must be replaced.
C. Forming the activated complex requires energy.
D. The products have more potential energy than the activated complex.
E. The reactants have less potential energy than the products.
Answers
Answer: C
Explanation:
what is chemical equilibrium
Answers
Answer:
chemical equilibrium is the state in which both the reactants and products are present in concentrations which have no further tendency to change with time so that there is no observable change in the properties of the system
Explanation:
This is a textbook answer so it may not be right
At equilibrium, the forward reaction and the reverse reaction are still happening, but at the same rate. This means that the products of the forward reaction are being consumed by the reverse reaction, and the reactants of the reverse reaction are being produced by the forward reaction. As a result, the concentrations of the reactants and products remain constant.
Chemical equilibrium is a dynamic state, meaning that the concentrations of the reactants and products can change if the conditions of the reaction are changed. For example, if more reactant is added to a reaction at equilibrium, the concentrations of the reactants and products will change, and the reaction will shift to establish a new equilibrium.
Overall, chemical equilibrium is an important concept in chemistry, as it helps to explain the behavior of chemical reactions and the concentrations of reactants and products over time.
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How many units the function y = |x| - 3 is translated from the parent function?
Answers
The function y = |x| - 3 is translated 3 units downward from the parent function.
How do we explain?The parent function of y = |x| is the absolute value function. The function y = |x| - 3 is obtained by subtracting 3 from the parent function.
we make a comparison in order to determine the translation of the function, it to the parent function.
In the question, the translation is in the vertical direction and because we subtract 3 from the parent function, the graph of y = |x| - 3 is shifted downward by 3 units compared to the parent function y = |x|.
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The asthenosphere is solid rock but much warmer
than the layer above it
True or false
Answers
The statement "The asthenosphere is solid rock but much warmer than the layer above it" is true because it is closer to the Earth's core, which is the hottest part of the planet.
The asthenosphere is a layer in the Earth's mantle that is located just below the lithosphere. While it is made up of solid rock, it is much warmer than the lithosphere, which is the layer above it. This is due to the fact that the asthenosphere is closer to the Earth's core, which is the hottest part of the planet.
The heat from the core causes the rock in the asthenosphere to become more ductile, or pliable, than the rock in the lithosphere. This ductility allows the asthenosphere to flow and move more easily than the lithosphere. In fact, it is this flow of the asthenosphere that is believed to cause the movement of the tectonic plates, which is responsible for phenomena such as earthquakes, volcanoes, and mountain building.
Despite being solid, the asthenosphere is still able to deform over long periods of time due to its high temperature, making it a unique and important layer in the Earth's mantle.
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To find the number of neutrons in a atom, you subtract the number of_____ from the mass number.
Answers
You can simply subtract the atomic number from the mass number in order to find the number of neutrons.
A 6 kg rock rolls down a hill with a momentum of 12 kg m/s. Work out the velocity of the rock.
Answers
momentum = mass x velocity
When know that:
momentum is 12 km m/s
Mass is 6 kg
Hence, velocity = 12/ 6 = 2m/s
At what temperature does a perfect crystalline solid have S=0?a. 0 K b. 0°C c. 100 °C d. 273 K
Answers
At absolute zero temperature, which is 0 Kelvin (K), a perfect crystalline solid has zero entropy (S=0). Therefore, the correct answer is option a, 0 K.
Entropy is a measure of the disorder or randomness in a system. As temperature decreases towards absolute zero, the molecular motion and energy in a solid approach their minimum possible values. At absolute zero, the molecules in a perfect crystalline solid are in their lowest energy state, arranged in a highly ordered and structured manner.
As the temperature increases from 0 K, the molecular motion and energy increase, leading to an increase in entropy. So, at any temperature above absolute zero, the entropy of a perfect crystalline solid will be greater than zero.
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Who's the first person to reach the moon
Answers
Answer: Neil Armstrong
Explanation
On July 20, 1969, Neil Armstrong became the first human to step on the moon. He and Aldrin walked around for three hours. They did experiments. They picked up bits of moon dirt and rocksExplanation:
Answer:
In 1969, Neil Armstrong was the first person to reach the moon.
Explanation:
IN NEED OF QUICK HELP Name both the reactant and product and then draw the reactant and product
Please explain
thanks
Answers
The reactant in this reaction is 2-fluoro-5-propyl - heptane while the product is 2-hydroxy-5-propyl - heptane.
What is a substitution reaction?We define a substitution reaction as one in which a given moiety is replaced by another. This is an example of a substitution reaction.
The name of the reactant in this reaction is 2-fluoro-5-propyl - heptane while the product is 2-hydroxy-5-propyl - heptane.
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What mass of solute is needed to prepare each of the following solutions?
a. 1.00 L of 0.125 M K2SO4
b. 375 mL of 0.015 M NaF
c. 500 mL of 0.350 M C6H12O6
Answers
Answer:
a. 21.7824 g
b. 0.2362 g
c. 31.5273 g
Please see the answers in the picture attached below.
Explanation:
Please see the step-by-step solution in the picture attached below.
Hope this answer can help you. Have a nice day!
The mass of solute required in each case can be obtained form the stoichiometry of the reaction.
We know that the mass of each solution can be obtained from the relation;
mass/molar mass = concentration × volume
mass = concentration × volume × molar mass
a)
mass = 0.125 M × 1.00 L × 174 g/mol = 21.75 g
b) mass = 0.015 M × 375 /1000 × 42 g/mol = 0.24 g
c) mass = 0.350 M × 500/1000 × 180 g/mol =31.5 g
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how many grams of phosphorus are in 50-gram sample of aluminum phosphate
Answers
There are approximately 12.7 grams of phosphorus in a 50-gram sample of aluminum phosphate.
To determine the number of grams of phosphorus in a 50-gram sample of aluminum phosphate, we need to know the molar mass and the chemical formula of aluminum phosphate.
The chemical formula for aluminum phosphate is AlPO4. It indicates that each molecule of aluminum phosphate contains one aluminum atom (Al), one phosphorus atom (P), and four oxygen atoms (O).
To calculate the molar mass of aluminum phosphate, we can add up the atomic masses of its constituent elements based on their stoichiometric ratios:
Molar mass of AlPO4 = (molar mass of Al) + (molar mass of P) + (4 * molar mass of O)
Using the periodic table, we can find the atomic masses of the elements:
Molar mass of Al = 26.98 g/mol
Molar mass of P = 30.97 g/mol
Molar mass of O = 16.00 g/mol
Now, let's calculate the molar mass of aluminum phosphate:
Molar mass of AlPO4 = (26.98 g/mol) + (30.97 g/mol) + (4 * 16.00 g/mol)
= 121.95 g/mol
The molar mass of aluminum phosphate is 121.95 g/mol.
To determine the number of grams of phosphorus in a 50-gram sample of aluminum phosphate, we need to calculate the mass fraction of phosphorus in the compound. The mass fraction is the ratio of the molar mass of phosphorus to the molar mass of aluminum phosphate.
Mass fraction of phosphorus = (molar mass of P) / (molar mass of AlPO4)
= (30.97 g/mol) / (121.95 g/mol)
≈ 0.254
Multiplying the mass fraction by the mass of the sample gives us the grams of phosphorus:
Grams of phosphorus = (mass fraction of phosphorus) * (mass of the sample)
= 0.254 * 50 g
≈ 12.7 g
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You are given a 1.50-g mixture of sodium nitrate and sodium chloride. You dissolve this mixture into 100 mL of water and then add an excess of 0.500 M silver nitrate solution. You produce a white solid, which you then collect, dry, and measure. The white solid has a mass of 0.641 g. a. If you had an extremely magnified view of the solution (to the atomic-molecular level), list the species you would see (include charges, if any). b. Write the balanced net ionic equation for the reaction that produces the solid. Include phases and charges. c. Calculate the mass percent of sodium chloride in the original unknown mixture.
Answers
A. If you had an extremely magnified view of the solution (to the atomic-molecular level), the species you would see would include sodium ions (Na+), nitrate ions (NO3-), chloride ions (Cl-), and silver ions (Ag+).
What is atomic-molecular?Atomic-molecular level refers to the scale at which the behavior of atoms and molecules can be studied and understood. At this level, the structure and properties of materials can be explained in terms of the interactions between atoms and molecules.
b. The balanced net ionic equation for the reaction that produces the solid is as follows:
Na+ + Cl- + Ag+ → AgCl(s) + Na+
c. To calculate the mass percent of sodium chloride in the original unknown mixture, we need to determine the mass of sodium chloride in the mixture. Since the original mixture had 1.50 g of sodium nitrate and sodium chloride combined, we can subtract the mass of sodium nitrate from this to find the mass of sodium chloride:
Mass of sodium chloride = 1.50 g - 0.859 g = 0.641 g
To calculate the mass percent of sodium chloride, we can divide the mass of sodium chloride by the total mass of the mixture and multiply by 100:
Mass percent of sodium chloride = (0.641 g / 1.50 g) × 100 = 42.7%.
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Identify the type of energy this object possesses. A girl roller-skating Kinetic energy Potential energy
Answers
A girl roller-skating has kinetic energy.
Kinetic energy is the energy of motion. It is the energy possessed by an object due to its movement. In this case, the girl roller-skating has kinetic energy because she is moving.
Potential energy is the energy an object possesses due to its position or configuration. It is the energy an object has stored within it, ready to be released. An object at rest has potential energy because it has the potential to be set in motion and does work.
So, in this case, the girl roller-skating has kinetic energy because she is moving, and not potential energy because she is not at rest.
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To bring heavy boxes down a flight of stairs, Tyrone uses a ramp He slides the boxes down the ramp The movement transforms one type of energy into two other forms. Which of the following describes the way that most of
the energy is transformed?
potential energy into chemical energy and mechanical energy
O potential energy into light energy and mechanical energy
O potential energy into sound and chemical energy
O potential energy into heat and kinetic energy
Answers
Answer:
potential energy into heat and kinetic energy.
Explanation:
The movement transforms one type of energy into two other forms. The potential energy into heat and kinetic energy describes the way that most of the energy is transformed. Therefore, option D is correct.
What energy is an object's movement creates energy?Kinetic energy is the energy associated with an object's motion. Kinetic energy is present in a speeding bullet, a walking person, and electromagnetic radiation such as light.
The energy associated with the constant, random bouncing of atoms or molecules is another example of kinetic energy.
Thermal potential energy is potential energy at the atomic and molecular levels when particles have the ability to convert to kinetic energy. Thermal kinetic energy, on the other hand, occurs when atoms and molecules begin to move as a result of heat and temperature.
Thus, option D is correct.
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which three of the following allosteric effectors characterize the bohr effect and contribute to shifting the equilibrium for hemoglobin from the r state conformation to the t state conformation?
Answers
Three allosteric effectors characterize the bohr effect and contribute to shifting the equilibrium for hemoglobin from the r state conformation to the t state conformation are 2,3-bisphosphoglycerate, H⁺ and CO₂.
What traits of allosteric enzymes are highlightedIn addition to active regions, they may also have binding sites for regulatory molecules. They frequently have a sigmoidal V0 vs. [S] curve (S-shaped).
Allosteric enzymes are defined as enzymes containing an additional binding site for effector molecules outside of the active region. The conformational alterations caused by the binding alter its catalytic properties. The effector molecule could be an activator or an inhibitor. All of the biological systems are under strict control.
An enzyme is a molecule of protein.Proteins are catalyzed by enzymes.Each enzyme is made to work on a certain substrate; this is known as substrate-specificity.The active site of an enzyme exists.When only a small amount of an enzyme is required, it is reused.Enzyme actions are reversible.Enzymes, for example, utilize coenzymes.Your question is incomplete but most probably your full question was
which three of the following allosteric effectors characterize the bohr effect and contribute to shifting the equilibrium for hemoglobin from the r state conformation to the t state conformation? check all that apply
2,3-bisphosphoglycerate
H⁺
O₂
H₂O₂
CO₂
H₂O
K⁺
Ca²⁺
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how many moles are present in 132.7 grams of Cu
Answers
Moles = mass/Ar
= 132.7/63.5
= 2.089 moles
Please help!!! This is due later today and I have no idea how to do this
Answers
Answer:
If you have a periodic table of the elements, you should be able to do this easily. The best periodic table, in my opinion, is the interactive periodic table at ptable(.com).
I will attach a formula sheet with everything you might need to know in chemistry.
Explanation:
You should be able to do this, but if you need more help let me know! :)