"Enzymes help to achieve the equilibrium faster but cannot changethe thermodynamic
equilibrium constant. Why?"

Answers

Answer 1

Answer: Equilibrium constant Kc is defined as the concentration of products over reactants raised to the the powers of its respective molar ratios in of the balanced chemical reaction.
A catalyst by definition is a compound able to catalyse a reaction while being chemically unchanged in the process. The catalyst works by lowering the activation energy by providing an alternative pathway of lower activation energy.
The is no value in the equation whereby activation energy will affect the equilibrium constant.
To know the speed where the reaction reaches equilibrium we need to look at the rate equation also known as Arrhenius equation,
K= Ae^(-Ea/RT)
Here we can see with the lowering of Ea ( activation energy ) the rate constant rises causing the reaction to reach equilibrium quicker.

Answer 2

Answer:

Final answer:

Enzymes cannot change the thermodynamic equilibrium constant of a reaction because they do not alter the free energy difference between the reactants and products.

Explanation:

Enzymes are biological catalysts that speed up chemical reactions by lowering the activation energy required for the reaction to occur. They achieve this by providing an alternative reaction pathway with a lower activation energy. However, enzymes cannot change the thermodynamic equilibrium constant of a reaction.

The thermodynamic equilibrium constant is a measure of the ratio of products to reactants at equilibrium. It is determined by the difference in free energy between the reactants and products. Enzymes, although they accelerate the rate at which equilibrium is reached, do not alter the free energy difference between the reactants and products. Therefore, they cannot change the equilibrium constant.

Learn more about enzymes and thermodynamic equilibrium here:

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The multiple covalent bond in a molecule of 1-butene is a(1) double covalent bond that has 6 shared electrons (2) double covalent bond that has 4 shared electrons (3) triple covalent bond that has 6 shared electrons (4) triple covalent bond that has 4 shared electrons
A biochemist is attempting to replicate a chemical reaction that commonly takes place in cells. During the chemical reaction, starch is broken down into glucose. What will most likely happen if the amount of enzyme that catalyzes this reaction is increased? A. The reaction will stop. B. The reaction will slow down. C. The reaction will speed up.
All of the following statements about electrons are true except?

The electric field induces the flow of electrons, known as __________________, a.voltage
b.electric current
c.resistance
d.interference

Answers

The answer is b. electric current.

Electric current is the flow of charges, and the electrons are negative charded particles that constitute matter.

The flow of electrons happens through conductor materials (wires). As the question says the movement of the electrons (flow) is induced by an electric field.

Workers digging a tunnel through a city find someancient pots decorated with geometric designs.
Which of the following tasks might they ask a
chemist to do? Explain your answer.
a. Determine the materials used to make the pots.
b. Explain what the designs on the pots represent.
c. Recommend how to store the pots to prevent
further damage.

Answers

Answer:

a. Determine the materials used to make the pots.

Explanation:

Workers digging a tunnel through a city who find some ancient pots decorated with geometric designs will employ the services of a chemist.

The chemist would help to determine the materials which were used to make the pots . This is usually done by various type of experiments and observations. After the constituent of the pot is gotten then more information would be derived from the possible source and use of the pot

Energy + 6CO2 + 6H2O → 6O2 + C6H12O6 The purpose of photosynthesis is to produce usable chemical energy or glucose from solar energy. If the formula for glucose is C6H12O6, how many atoms of carbon are used to produce the glucose?A) 1

B) 2

C) 6

D) 9

Answers

Answer:

The answer is c) 6

Explanation:

In the expression of the reaction

Energy + 6CO2 + 6H2O → 6O2 + C6H12O6

you can see that to produce a mol of glucose (C6H12O6) you need 6 moles of CO2, which it is the reagent that contains the atom of carbon used to produce glucose. Now you multiply the coefficient 6 by the subscript 1, which is the amount of carbon atoms that the molecule CO2 contains. So you end up with 6 atoms of carbon.

C stands for carbon atoms. In glucose thera are 6 carbon atoms, so 6 carbon atoms are used to produce glucose.

Answer: C) 6

What is the mass of an atom that has 2 protons, 3 neutrons, and 2 electrons? 2 3 5 7

Answers

Mass Number = Proton + Neutron = 2 + 3 = 5

Which is more important in determining a compound’s melting points, polarity or molar mass? Why?

Answers

Both polarity and molar mass affect the melting points of a compounds. However, polarity is more prioritized for compounds of similar molar mass. The order of increasing melting point follows: non-polar < polar < ionic.

Ionic compounds have the strongest forces holding them which is why it requires higher temperature to overcome those forces. Next, polar substances have weaker electrostatic forces than ionic compounds, but have stronger forces than non-polar compounds due to the presence of dipole-dipole interaction. The force present in non-polar compounds is Van Der Waals forces.

in determining a compound's melting points, polarity is more important

Every compound is contained by molecules.

Polarity determine how much energy is needed to break these molecules, meanwhile molar mass only determine the weight of the molecules. Even though molar mass do affecting the boiling point, it's not as much as the basic resistance of the separation of inter molecular forces does.

The two ends of a solenoid act likea. electrons.
b. a compass needle.
c. a circuit.
d. poles.

Answers

Answer:

d. poles

Explanation:

Magnetic field created by a solenoid:

The magnetic field created by a solenoid is increased by increasing the intensity of the current, by increasing the number of turns and by introducing a piece of iron inside the coil (electromagnet).

Solenoid coil with air core constructed with bare copper wire spirally wound and protected with insulating varnish. If we supply this coil with electric current using any source of electromotive force, such as a battery, for example, the flow of the current that will circulate through the coil will lead to the appearance of a magnetic field of a certain intensity around it.

Solenoid coil to which a metal core such as iron (Fe) has been introduced. If we compare the previous coil with air core with the coil of this illustration, we will see that now the lines of magnetic force are much more intensified as they have become an electromagnet.

D) The Answer Is Poles

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