when electrophoretic separations are done based on molecular weight, the distance that a molecule moves can be graphed as a straight line when compared to:

Answer: I need this answer too

Explanation:

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The point B is the diagram in which it has the Highest maximum energy level shown Here For the reaction of 2-methylpropene with hydrogen chloride.

The least strong conformation is the eclipsed conformation in which the methyl and the hydrogen atom are gift near every different and enjoy pressure repulsion on every different.

This ends in steric difficulty and makes the molecule unstable.Isobutylene (or 2-methylpropene) is a hydrocarbon with the chemical formula (CH3)2C=CH2. It is a 4-carbon branched alkene (olefin), one of the 4 isomers of butylene.2−methyl propene is greater reactive with HCl than propene as the +I impact of methyl businesses makes double bond greater electron wealthy and for the duration of electrophilic addition, a tertiary carbocation intermediate is received that's greater strong than secondary carbocation intermediate.

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Answer: Can you write the question more fully?? I can help.

The combination of isoclines that lead to competitive exclusion and competitive coexistence is the zero population growth isocline (ZPGI) and the resource axis (RA).Competitive exclusion and coexistence are both population dynamics terms.

Competitive exclusion is a situation whereby one species dominates a particular niche to the detriment of another species that requires the same resources. This occurs when the population of one species is larger than that of another in a given ecosystem .Competitive coexistence, on the other hand, is the opposite of competitive exclusion, where two or more species share the same niche or habitat and do not exclude one another. This is possible through resource partitioning, which occurs when species evolve different feeding behaviors or physical adaptations to consume different food types or occupy different areas in a shared ecosystem. Zero Population Growth Isocline (ZPGI) and the Resource Axis (RA) are the combination of isoclines that lead to competitive exclusion and competitive coexistence, respectively. They both play a significant role in population dynamics in ecology.

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Answer:

A bee sting has a ph of 5, and is therefore an acid. Litmus paper goes red (or stays red) in acidic solutions.

Answer:

The Blue Litmus Paper should turn red

Explanation:

Bee venom has a pH of 5.5, which means it is mildly acidic which in turn should make the Litmus paper turn Red. Hope this helps!

Answer:

The answer is A

Explanation:

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The force helps food move through the large intestine during digestion is muscle contractions exert a pushing force on the food. Thus option A is correct.

Force is defined as a push or pull upon any object resulting from the object's interaction with another object. It is a vector quantity.

Force can also be defined as an external cause that, when applied, changes or tends to change the state of the body, if the body is in motion.

Force is expressed as

Force = mass x acceleration

There are five types of force

Digestion is define as the breakdown of food into smaller component  that can be absorbed into blood streams.

Thus, the force helps food move through the large intestine during digestion is muscle contractions exert a pushing force on the food. Thus option A is correct.

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Answer:0.58 atm

Explanation:see attached photo

Answer:

\(P=0.583atm\)

Explanation:

Hello,

In this case, by using the ideal gas equation:

\(PV=nRT\)

We can compute the pressure as shown below, considering the given data and absolute temperature:

\(P=\frac{nRT}{V}=\frac{0.325mol*0.082\frac{atm*L}{mol*K}*(35+273)K}{14.08L}\\ \\P=0.583atm\)

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Answer:

64 mL.

Explanation:

From the question given above, the dimension of box is:

Dimension = 2 cm × 4 cm × 8 cm

Thus, the volume of the box is:

Volume = 2 cm × 4 cm × 8 cm

Volume = 64 cm³

Finally, we shall convert 64 cm³ to mL. This can be obtained as follow:

Recall:

1 cm³ = 1 mL

Therefore,

64 cm³ = 64 cm³ × 1 mL / 1 cm³

64 cm³ = 64 mL

Therefore, the volume of the box in millilitres (mL) is 64 mL.

Answer:

2Mg(s) + O2(g) - >2MgO(s)

Answer:

New growth of trees is an exception

Explanation:

when volcanoes erupt, they release hot magma that is destructive to the environment causing personal damage, lack of breathable air and death.

heat produce cannot in any way help in growth of trees

The formed cyclopropane has cis stereochemistry.

Chiral cyclopropane rings are important pharmacophores in pharmaceutical drugs and bioactive natural products, so libraries of these building blocks are an important resource for drug research and development campaigns.

A synthesis is a set of two or even more reactions that are designed to produce a specific end product. A synthetic step is a single reaction that has to be carried out independently of the other reactions in a synthesis.

The number of steps inside a synthetic sequence equals the number of reactions that need to be performed separately, i.e. the number of reactions that comprise the sequence.

By stereospecific addi-tion of singlet carbenes, cis cyclopropane could be synthesized from cis alkene. Using a Lindlar catalyst, cis alkene could be synthesized from alkynes.

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Answer:

Explanation:

adbc

Approximately 777.6 grams of water is needed to make 7.2 moles of glucose based on the balanced equation.

The balanced equation provided is:

6CO2 + 6H2O -> C6H12O6 + 6O2

From the equation, we can see that for every 6 moles of water (H2O), 1 mole of glucose (C6H12O6) is produced. Therefore, we need to determine the amount of water required to produce 7.2 moles of glucose.

The mole ratio between water and glucose is 6:1. This means that for every 6 moles of water, we obtain 1 mole of glucose. To find the amount of water needed for 7.2 moles of glucose, we set up a proportion using the mole ratio:

(6 moles H2O / 1 mole glucose) = (x moles H2O / 7.2 moles glucose)

Solving for x, we can cross-multiply:

6 moles H2O * 7.2 moles glucose = x moles H2O * 1 mole glucose

43.2 moles H2O = x moles H2O

Therefore, we need 43.2 moles of water to produce 7.2 moles of glucose.

To convert moles of water to grams, we need to know the molar mass of water, which is approximately 18 g/mol. Using the molar mass, we can calculate the mass of water needed:

Mass of water = moles of water * molar mass of water

Mass of water = 43.2 moles * 18 g/mol

Mass of water = 777.6 g

Therefore, approximately 777.6 grams of water is needed to make 7.2 moles of glucose based on the balanced equation.

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Answer:

2

Explanation:

Answer:

2

Explanation:

The stronger the acid the weaker the conjugate base  is the correct statement is a) True.

The Strong acids have a weak conjugate base. The example of this is as follows :

The HCl is the  strong acid. If HCl is a strong acid, means it will donate hydrogen ions . The HCl will be a  good proton donor, only if the Cl⁻ ion will be a poor proton acceptor. That means the Cl⁻ ion will be a weak base. The chemical equation is as follows :

HCl        +      H₂O        ⇄         H₃O⁺     +         Cl⁻

strong        strong                  weak                weak

acid             base                 conjugate          conjugate

                                                  acid                 base

This question is incomplete, the complete question is :

The stronger the acid the weaker the conjugate base, this statement is :

a) True

b) False  

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Answer:

Deforestation

Explanation:

The value of softwood means that large areas of Russia's taiga have been cleared: deforestation is occurring at a rate of 12 million hectares per year (2014). As much as half of the logging in the far east of Siberia is illegal

Answer:

deforestation

Explanation:

and tectonic plates

Answer:

D)both the forward and reverse reactions continue.

Explanation:

Chemical equilibrium can be regarded as state whereby rate of the forward reaction is equal to rate of backward reaction. It should be noted that At equilibrium both the forward and reverse reactions continue.

The binding of the amino acid in aminoacyl-tRNA involves the formation of an ester bond.  Option b

Aminoacyl-tRNA is a complex molecule that plays a crucial role in protein synthesis. It consists of a tRNA molecule covalently linked to an amino acid. The amino acid is attached to the 3' end of the tRNA molecule through an ester bond.

An ester bond is formed between the carboxyl group (-COOH) of the amino acid and the hydroxyl group (-OH) of the ribose sugar at the 3' end of the tRNA molecule. This ester bond is also referred to as an ester linkage. The formation of the ester bond is catalyzed by the enzyme aminoacyl-tRNA synthetase.

The ester bond in aminoacyl-tRNA is essential for protein synthesis. During translation, the aminoacyl-tRNA molecule carries the specific amino acid to the ribosome, where it is incorporated into the growing polypeptide chain. The ester bond is later hydrolyzed, releasing the amino acid for further use in protein synthesis.

In summary, the binding of the amino acid in aminoacyl-tRNA involves the formation of an ester bond between the carboxyl group of the amino acid and the hydroxyl group of the ribose sugar in the tRNA molecule.

Option b

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Answer:

Mass = 50kg, a = 20m/sec^2

F = MA

F = 50 * 20

F = 1000N

F = MA

650 = M * 10

M = 650/10 = 65kg

The phenomenon of weightlessness occurs when there is no force of support on your body. when your body is effectively in free fall, accelerating downward at the acceleration of gravity, then you are not being supported.

F = Gm1m2/distance^2

F = 6.6726* 10 ^-11 * 70 * 5.98 * 10^24/(6.38 * 10^6)^2

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Answer:

C. reverse fault

Explanation:

Most tsunamis are formed by subduction zones that cause earthquakes from the movement of one tectonic plate over the other, below the ocean, promoting the movement of overlapping water. The friction between the plates causes an extensive accumulation of energy that increases to the point of extrapolating the limit between the two plates. In this process, when the initiation of a tsunami through a stick-slip subduction zone is similar to the movement experienced by a reverse failure.

Magnesium have two valence electrons. Because the outer energy level  for the magnesium atom is 3 and it has two electron in this energy level.

The Valence electrons are defined as the electrons that located in the outermost electron shell of an atom. These valence electrons being the furthest from the nucleus and thus the least tightly held by the atom are the electrons that participate in bonds and reactions. The number of valence electrons that an element has determines its reactivity, electronegativity and the number of bonds it can form. We can use the periodic table to help to determine how many valence electrons an element specifically a neutral atom of the element has. Looking at the group that the element is in as the group number indicates the number of valence electrons that the element has.

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Answer:

May be trial 2..................

Answer:

Bottle is sitting on the shelf for 15 days.

Explanation:

Given data:

Co-60 half life = 5 days

Total amount = 30.0 g

Amount left = 3.75 g

Time taken = ?

Solution:

AT time zero = 30 g

AT first half life= 30g /2 = 15 g

At 2nd half life = 15 g/ 2 = 7.5 g

At 3rd half life = 7.5 g/2 = 3.75 g

Now we will calculate the sitting time of bottle.

Half life = Time taken / number of half lives

3× 5 days = time taken

Time taken = 15 days

Bottle is sitting on the shelf for 15 days.

The volume of hydrogen gas are produced by completely reacting a zinc nail with a mass of 2.2g with an excess of hydrochloric acid found to be 0.75 L.

An equation for a chemical reaction is said to be balanced if both the reactants and the products share the same total charge and the same number of atoms for each component in the reaction. In other words, each sides of the reaction have had an equitable amount of mass and charge.

The chemical equation is:

Zn + 2HCl → ZnCl2 + H2

molar mass of zinc => 65.38 g/mol

No. of . moles => mass/molar mass

                       => 2.2/65.38

                      => 0.0337 mol

According to STP condition:

1 mol of hydrogen => 22.4L

1 mol of Zn => 1mol of hydrogen with respect to balanced equation.

hence, 0.0337 mole of hydrogen => 22.4 x  0.0337

                                            =>  0.75 L

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The measured volume of hydrogen gas will be too high.

The volume of hydrogen is measured by collecting the gas over water. The volume of the gas is measured as the volume of water displaced by the gas in an inverted container.

When air leaks into the graduated cylinder, more volume of water is displaced hence a higher volume of hydrogen gas is measured.The calculated molar volume of hydrogen will be too high as a result of this error

The gas being recorded during the experiment would not only include hydrogen gas, but the air that leaked into the eudiometer tube as well. This leads to the increase in the volume of hydrogen gas which will be too high.

Since the volume of hydrogen is too high, therefore the calculated molar volume of hydrogen would also be too high.

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Answer:

The equation for molarity is moles/liter for the first question you would do 0.256/0.143 liters to get 1.790 mol/L

Explanation:

The second problem you would do need to find the moles of NaCl which you would do by doing 4.89 g/58.44g/mol= 0.08367 then do 0.08367/0.600= 0.139 mol/L

The third problem would be the same steps as the second one.

The fourth problem would be (0.460M)(5.50L)= 2.53 moles

The molarity of a solution which contains 0.256 mol of a substance dissolved in 143 mL of solution is 1.79.

Molarity of a given solution is known as the total number of moles of solute per litre of the solution.  A solution that is 1.00 molar (written 1.00 M) contains 1.00 mole of solute for every liter of solution.

Molarity = (No. of moles of solute ÷ Volume of solution in liters)

The unit of molarity is mol L⁻¹.

Molarity is temperature dependent because as temperature changes, volume of the solution also changes.

Given,

No. of moles = 0.256

Volume of solution = 143ml

Molarity = (0.256 ÷ 0.143) = 1.79

Therefore, The molarity of a solution which contains 0.256 mol of a substance dissolved in 143 mL of solution is 1.79.

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The value of Kp for the given equilibrium reaction at 300.0 K is 4.99.

The equilibrium constant, Kp, is a numerical representation of the ratio of product concentrations to reactant concentrations at equilibrium for a particular reaction. In this case, we have the equilibrium reaction NH4HS (s) ⇌ NH3 (g) + H2S (g) at 300.0 K.

The given values for pNH3 and pH2S are both 0.109 atm. The equilibrium constant, Kp, is calculated by dividing the partial pressure of the products raised to their stoichiometric coefficients by the partial pressure of the reactant raised to its stoichiometric coefficient.

By substituting the given values into the equation, we find that Kp = 4.99.

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Answer:

im pretty sure it is D

Explanation:

this is an old term for a microscopic organisms that included bacteria, protozoans, and very small animals

The pH of a buffer solution containing 0.25 M NH3 and 0.45 M NH4Cl can be calculated using the Henderson-Hasselbalch equation: pH = pKa + log([NH4Cl]/[NH3]), where pKa is the dissociation constant of NH4+ (9.25 at 25°C).

The concentration ratio [NH4Cl]/[NH3] is 0.45/0.25 = 1.8. Plugging these values into the equation gives pH = 9.25 + log(1.8) = 9.62.
If 2 mL of 0.2 M NaOH is added to 75 mL of this buffer, the new concentration of NH3 will be 0.25 M and the new concentration of NH4Cl will be 0.45 M + (2 mL/1000 mL)(0.2 M) = 0.494 M. The new concentration ratio [NH4Cl]/[NH3] is 0.494/0.25 = 1.976. Plugging this ratio into the Henderson-Hasselbalch equation gives pH = 9.25 + log(1.976) = 9.68.

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