If you need to smell the odor of a chemical, waft or fan the fumes toward your nose with one hand. Do not put your nose over the container and inhale the fumes.

Do not touch, eat, or smell any chemical unless instructed to do so. ... Hold chemical containers away from your body. Carefully check the label on the bottle before using its content.

8 0

3 years ago

Read 2 more answers

Use bond energies to determine δhrxn for the reaction between ethane and chlorine. ch3ch3(g)+cl2(g)→ch3ch2cl(g)+hcl(g)

STALIN [3.7K]

For this reaction to proceed, the following bond breaking should occur:

*one C-H bond
* one Cl-Cl bond

After, the following bond formations should occur:
*one C-Cl bond
*one H-Cl bond

Now, add the bond energies for the respective bond energies which can be found in the attached picture. For bond formations, energy is negative. For bond breaking, energy is positive.

ΔHrxn = (1)(413) + (1)(242) + 1(-328) + 1(-431) = -104 kJ

3 0

3 years ago

Read 2 more answers

Which of the following statements is TRUE?

borishaifa [10]

Answer:

Dynamic equilibrium occurs when the rate of the forward reaction equals the rate of the reverse reaction:

Explanation:

Reaction quotient is the ratio of product of concentrations of products to product of concentrations of reactants at any time.

The same ratio at equilibrium (when rate of forward reaction becomes equal to rate of backward reaction) is equilibrium constant.

when Q < Kc, a forward reaction is favored.

When when Q > Kc, a backward or reverse reaction is favored

So the first statement that

a) A reaction quotient (Q) larger than the equilibrium constant (K) means that the reaction will favor the production of more products: false

b) No the rate of forward and backward reaction are equal.

c) c. Dynamic equilibrium occurs when the rate of the forward reaction equals the rate of the reverse reaction: True

d) Dynamic equilibrium indicates that the amount of reactants and products are equal: This could be static equilibrium but not dynamic.

6 0

3 years ago