The small repeating units used to synthesize polymers are called _______.

Juice is liquid because it is composed of water and other substances such as sugars, vitamins, and minerals. These ingredients dissolve in water, resulting in a liquid form.

Different types of juice are made from different fruits, vegetables, or other plant sources, which contain various concentrations of water and other components. As a result, the exact composition of a juice can vary, leading to differences in its color, taste, and nutritional content.

The water in juice comes from the fruits or vegetables themselves, as well as any water that is added during the juicing process. Most fruits and vegetables contain a high percentage of water, which is necessary for their growth and survival. For example, watermelons are about 92% water, while oranges are about 87% water.

In addition to water, juice contains other components such as sugars, vitamins, and minerals. These substances are dissolved in the water, giving juice its characteristic taste and nutritional content. For example, orange juice is rich in vitamin C, while carrot juice is high in beta-carotene.

Overall, juice is liquid because it is composed of water and other substances that are soluble in water. The specific composition of a juice can vary depending on the fruits or vegetables used, resulting in a range of different flavors, colors, and nutritional profiles.

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Answer:

A = water has high surface tension

the answer is a hope this helps and plz give me brainlist :)

Answer:

0.21 M

Explanation:

Molarity is the calculation of the solution in which the number of solute per liter of the solutions. It is the most common measurement unit that is used to measure the concentration of the solution.

The molarity is the unit that is used to measure or calculate the volume of the solvent. The amount of solvent is used in the chemical reaction.

The amount of the two solvent in the same quantity is measured by the formula called c1v1 and c2v2.

Answer:

Radiation

Conduction is the transfer of thermal energy through direct contact. Convection is the transfer of thermal energy through the movement of a liquid or gas. Radiation is the transfer of thermal energy through thermal emission.

Answer:

Larger

Explanation:

Answer:

electricity

Explanation:

or maybe food

Based on the given graph the tides at the Kings point in the island is cyclic and predictable. Hence, option 1 is correct.

Sea levels rise and fall during tides as a result of the gravitational pull of the moon paired with the earth and moon's orbit one another. This effect is called tide. To determine the anticipated times and amplitude for any location, tide tables can be employed .

The sun and moon alignment, the phase and amplitude of the tide (the pattern of tides in the deep ocean), the amphidromic systems of the oceans, the form of the shoreline, and near-shore bathymetry are only a few of the variables that affect the predictions.

They are simply estimates, however, as wind and tide are factors that impact the tide's exact timing and height. Thus as depicted in the graph the tides in the island is cyclic and predictable.

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Your question is incomplete. But your complete  question probably was

These long island tides (uploaded image) show a pattern that is:

1. Cyclic and predictable    2 non cyclic and predictable

3.Cyclic and unpredictable   4. non cyclic and unpredictable

Along the principal shorelines of the planet, there are three primary tidal patterns. There are typically two high tides and two low tides every day in most places. A semi-daily or semidiurnal tidal pattern is one where the heights of the two highs and lows are roughly equal.

Tides are the rise and decrease in sea levels resulting from the gravitational pull of the Moon mixed with the Earth and Moon's circling one another. To determine the anticipated timings and amplitude for any location, tide tables may be employed.

The moon is the primary cause of high and low tides. The tidal force is produced by the moon's gravitational pull. Earth and its oceans protrude outward on both the side that is closest to and farthest from the moon as a result of the tidal force.

Thus,  A semi-daily or semidiurnal tidal pattern is one where the heights of the two highs and lows are roughly equal.

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To test for the completeness of this chemical reaction you will add several drops of your copper solution to 10 drops of zinc solution in a test tube.

What is a chemical reaction? Chemical reactions are the processes in which one or more substances are transformed into new substances through the breaking and formation of chemical bonds. A chemical reaction is usually indicated by the presence of a light or heat source, the evolution of gas, the formation of a precipitate, or a significant color change.A chemical reaction can be a complex process, and numerous factors can influence the rate and efficiency of the reaction. These factors can include temperature, the concentration of the reactants, and the presence of catalysts or inhibitors.

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Explanation:

On the whole, the metals burn in oxygen to form a simple metal oxide. Beryllium is reluctant to burn unless it is in the form of dust or powder. Beryllium has a very strong (but very thin) layer of beryllium oxide on its surface, and this prevents any new oxygen getting at the underlying beryllium to react with it

Answer:

Drinking water should have sufficiently low levels of dissolved salts or microbes.

Explanation:

Main answer:ln(T2/T1) +ΔS°mix The change in entropy of the reaction (ΔS°) can be calculated by using the formula, ΔS°= ΔS°(products) - ΔS°(reactants).

Given; moles of hydrogen (H2)=72 moles of oxygen (O2)=44 moles of the mixture=n(H2) + n(O2)=72+44=116The initial temperature= 40°C = 313 KThe final temperature= 60°C = 333 KThe initial pressure= 2 barThe process is isobaric process where pressure is constant and therefore work done is zero.

From the ideal gas equation PV = nRT we can rearrange it to V = nRT/PThe volume of the mixture can be calculated as follows;V= nRT/P= (72 + 44) * 8.31 * 313 / (2 * 10^5)= 6.28 LThe final volume, V2 = 6.28LThe change in temperature is ΔT = 333 - 313 = 20 KThe change in entropy of the mixing process (ΔSmix) can be calculated using the formula;ΔSmix= -nR(xlnx + (1-x)ln(1-x))= -116*8.31[(72/116)ln(72/116)+(44/116)ln(44/116)]= 47.01 J/K.

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B. They are also called "metathesis reactions" and

C. They involve two reactant compounds exchanging bonding partners are correct statements that describe a double-displacement reaction.

Double-displacement reactions, also known as metathesis reactions, involve the exchange of positive ions between two reactant compounds to form two new compounds. The reaction can be represented by the general equation:

AB + CD → AD + CB

In this type of reaction, the cations and anions in the reactants switch partners, forming new ionic compounds. These reactions do not necessarily involve oxidation-reduction (redox) reactions, so statement A is incorrect.

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This is a type of bonding that is formed from the from the attraction of oppositely charged ions in a compound.

For instance, MgCl2 is an ionic compound because the 2 positive ions wipossessed by the magnessium atom will attract each of the negtaive ion possessed by each of the chlorine atom to form the magnessium chloride compound

Using the Lewis symbol to demonstrate the bondng:

From the disgram, the negative ions on chlorine atoms will get attracted to the positive ions on the magnessium ion.

Answer:

Explanation:

Use your other senses such as touch or smell, does it react in different temperatures, is it then visible under a microscope, does it react with different elements or gases?   Think outside the box.

Answer:

we know that someone or something is near us even when we cant see it you see our self conscious minds can pick up on the slightest detail even when we dont pick up on it also you can  thank the six senses as well for why we can tell something or someone is there

Explanation: i watch criminal minds and pay attention to the random facts spencer reid spits out

Answer:

H20 only

Explanation:

It's because that When a chemical forms, It turns into a product. The product can't just float away, but byproducts can.

Answer:

The heat of solution of the compound = 42.75 kJ/mol

Explanation:

Here we have;

The heat of vaporization = 21.99 kJ/mol

2.56 g of the compound is then placed in 200 g. of water

The temperature of the water reduces from 68.25°C to 67.91°C

The specific heat capacity of water = 4.19 kJ/kg = 4.19 J/g

Mass of the water = 200 g

Heat lost by the water ΔH = m × c × Δθ = n × ΔH vaporization of the compound

Where;

m = The mass of the water = 200 g

c = The specific heat capacity of water = 4.19 kJ/kg = 4.19 J/g

Δθ = The change in temperature = 68.25°C - 67.91°C = 0.34°C

n = The number of moles of the compound

ΔH = m × c × Δθ = 200×4.19×0.34 = 284.92 J = 0.28492 kJ

∴ n × ΔH vaporization of the compound = 0.28492 kJ

n = 0.28492 kJ/( ΔH vaporization of the compound) = 0.28492/21.99≈0.013 moles

∴ 2.56 g = 0.013 moles

1 mole = The molar mass of the compound = 2.56/0.013= 197.6 g/mol

Therefore;

The number of moles in 55.6 g of the compound = 55.6/197.6 = 0.2814 moles

The heat given by the water = ΔH = 495 × (25.2 - 19.4) × 4.19 = 12029.49 J

Therefore;

0.2814 × ΔH(solution) = 12029.49 J = 12.02949 kJ

ΔH(solution) = 12.02949/0.2814 = 42.75 kJ/mol

The heat of solution of the compound = 42.75 kJ/mol.

Answer:

22.5 Km

Explanation:

45km/hr * 0.5 hr = 22.5km

a) a compound always contains at least 2 elements

is the answer

1. Some reactions will present an actual yield lower than the theoretical yield, and this can occur due to many situations, a couple of the reasons why that we can list is that some reactions don't have the reactants actually reacting to form the products, and another reason why is the loss of reactants in the process for many possible situations.

4. According to the solubility curve, if we have 30 grams of NH4Cl at 50°C, the reaction will be unsaturated

To find the concentration of HCl, we need to calculate the moles of base added to neutralize the acid, the moles of acid originally in the beaker, and then use these values to determine the molarity of HCl.

a) To find the moles of base (NaOH) added, we can use the formula:

Moles of NaOH = Volume of NaOH (in L) × Molarity of NaOH

Converting the volume to liters and using the given values:

Moles of NaOH = 0.080 L × 2.5 mol/L = 0.2 mol

b) Since the reaction is a 1:1 stoichiometric ratio between NaOH and HCl, the moles of acid (HCl) will be equal to the moles of base added. Therefore, there were also 0.2 mol of HCl originally in the beaker.

c) Now, we can calculate the molarity of HCl using the formula:

Molarity (M) = Moles of solute / Volume of solution (in L)

Given that the volume of the acid is 100.0 mL (or 0.100 L) and the moles of acid is 0.2 mol:

Molarity of HCl = 0.2 mol / 0.100 L = 2.0 M

Therefore, the molarity of the HCl solution is 2.0 M.

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Answer:

This took forever T-T

Explanation:

1. The condition of the soil has a big impact on the environment. Good soil helps plants grow, supports different kinds of life, and prevents erosion. It also keeps nutrients in balance and affects the quality of water and air. If the soil is unhealthy or polluted, it can harm plants, animals, and the overall ecosystem.

2. The dodo bird is an example of a species that no longer exists. It used to live on an island called Mauritius. Sadly, people hunted the dodo bird for food and destroyed its habitat. They also introduced other animals that harmed the dodo bird's population. Because of these reasons, the dodo bird became extinct. This affected the environment because the dodo bird played a role in spreading seeds and helping plants grow.

3. The Sumatran orangutan is a species in danger of disappearing. Its biggest threats are losing its home due to forests being cut down for palm oil, illegal hunting, and being taken as pets. People are working to protect the orangutans by preserving their habitat, rescuing and rehabilitating them, and educating communities about their importance.

4. Central Park in New York City is a natural area created in 1857. It was made for people to enjoy nature in the middle of the city. People can do many outdoor activities there like walking, picnicking, and playing sports. The park is also home to various birds and animals, which adds to the city's biodiversity.

5. When a certain environment, like a forest or a desert, is damaged or in danger, it has a big impact on the whole ecosystem. Many different plants and animals depend on each other in these environments. If something harms or destroys their homes, it can lead to the loss of species, disruption of food chains, and less diversity. It can also affect important processes like water and carbon cycles, and even influence the climate. People who rely on these environments for resources and livelihoods are also affected. That's why it's important to protect and take care of these natural areas.

An atom that experiences radioactive decay is A. It loses mass

When an atom undergoes radioactive decay, it undergoes a spontaneous process in which its nucleus becomes unstable and emits radiation. This decay can result in different outcomes depending on the type of radioactive decay involved, such as alpha decay, beta decay, or gamma decay.

In alpha decay, an atom emits an alpha particle consisting of two protons and two neutrons. This emission causes the atom to lose mass because the alpha particle carries away mass from the nucleus. Therefore, option A, "It loses mass," is correct.

In beta decay, an atom can either emit an electron (beta minus decay) or positron (beta plus decay). In both cases, the number of protons and neutrons in the nucleus changes, but the overall mass of the atom remains the same. Therefore, it does not gain electrons, and option B is incorrect.

In gamma decay, the atom releases gamma radiation, which is a high-energy electromagnetic wave. This emission does not change the mass or charge of the atom. Thus, it does not absorb energy, and option C is incorrect. Option D, "It burns up," is not a valid description of radioactive decay as it does not involve combustion or literal burning. In summary, during radioactive decay, an atom primarily loses mass through the emission of particles or radiation. Therefore, Option A is correct.

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Answer:

i do not now

Explanation:

Answer:

i am not sure tho

Explanation:

Cd ²+ + F¹- = CdF2

F fluor is a non metal so he takes the electons that Cd gives so if Vd has to give 2 electrons and F can take only 1, there has to be 2 F atoms so all the electrona can be neutral and in ionisation

Answer:

There are four types of chemical reactions: synthesis or combination reactions, decomposition reactions, single displacement or replacement reactions, and double displacement or metathesis reactions. Synthesis reactions combine two or more reactants to form a single product, decomposition reactions break down a single reactant into two or more products, single displacement reactions involve an element reacting with a compound to produce a new element and compound, and double displacement reactions involve two compounds exchanging ions to form two new compounds.

By measuring a substance's heat capacity, one can learn more about it and its characteristics as well as how well it can absorb and transport energy.

As a result of a temperature difference, heat is a type of energy that is transmitted from one body to another.

Knowing a substance's specific heat capacity can tell you a lot about its special thermal characteristics. Due to the fact that every material has a unique specific heat capacity, this measurement might assist in identifying the substance. The ability of a substance to absorb and retain heat is connected to its heat capacity, which has significant consequences for a variety of applications, including the design of heating and cooling systems and the optimization of industrial processes.

The substance's molecular makeup and its behavior under various circumstances can also be deduced from the specific heat capacity. In contrast to a chemical having a low heat capacity, a high heat capacity substance could be more thermally stable.

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The tolerability of photodynamic therapy (PDT) using 10% 5-aminolevulinic acid hydrochloride gel for treating actinic keratoses on surface areas larger than 75cm2 can vary depending on individual factors and the specific treatment protocol used.

Photodynamic therapy is a treatment that involves the use of a light-sensitive medication, such as 5-aminolevulinic acid (ALA), which is applied to the skin and activated by light. It is commonly used for the treatment of various skin conditions, including actinic keratoses (AKs).

When it comes to the tolerability of PDT, the most common side effects include redness, swelling, burning sensation, and crusting of the treated area during the days immediately following the procedure. These side effects are generally mild to moderate in severity and tend to resolve within a few weeks.

The tolerability of PDT may be influenced by the size of the treated area. Larger treatment areas may increase the likelihood of experiencing side effects due to the greater amount of medication and light exposure involved. Additionally, the location of the AKs and the overall condition of your skin can also affect tolerability.

It's important to discuss any concerns or questions about PDT and its potential side effects with a healthcare professional who can evaluate your specific situation and provide personalized advice. They will be able to assess your suitability for the treatment and discuss the expected benefits and potential risks based on your individual circumstances.

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The Lewis structure for CH3NH2 shows a carbon atom bonded to three hydrogen atoms and a nitrogen atom. The structure illustrates the arrangement of atoms and bonds, with the lone pair of electrons on nitrogen not explicitly shown.

Here is the Lewis structure for CH3NH2 (also written as H3CNH2):

    H       H

     |       |

 H - C - N - H

     |

     H

In this Lewis structure, carbon (C) is in the center, surrounded by three hydrogen atoms (H) and one nitrogen atom (N). Each bond is represented by a line, and each atom is depicted with its symbol. The lone pair of electrons on nitrogen is not shown in the structure, but it occupies the remaining electron space around the nitrogen atom.

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The unknown metal X is iron metal as it reacts with copper sulfate solution but does not react with magnesium chloride.

Some metals are very reactive while other metals are less reactive or unreactive. When a more reactive metal is added to the solution of a less reactive metal, then the more reactive displaces the less reactive metal from its solution is known as a displacement reaction.

The general form of a single displacement reaction can be represented as:

\(A + BC \longrightarrow B + AC\)

When iron is placed in copper sulfate (CuSO₄) solution then the blue color of the copper sulfate solution turns a red-brown coating of copper metal deposited on the iron.

\(CuSO_4 (aq)+ Fe (s)\longrightarrow FeSO_4 (aq) +Cu(s)\)

Iron lies above the electrochemical series and is more reactive than copper. So it reacts with copper sulfate but does not give any reaction with magnesium chloride.

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