HELP ME PLEASE ITS DUE 11:59 TODAY

Select all that apply. The rate law for the reaction 2NO(g) + CU(g) rightarrow 2NOCl(g) is given by R = k[NO][Cl2] If the follow

Daniel [21]

Answer:

a. 2nd order reaction.

b. The first step is the slow step.

Explanation:

r = k[NO][Cl₂]

a. The reaction is first-order in [NO] and first-order in [Cl₂], so it is second-order overall.

b. The first step is the slow step, because it predicts the correct rate law.

c. is wrong. Doubling [NO] would double the rate, because the reaction is first-order in [NO].

d. is wrong. Cutting [Cl₂] in half would halve the rate, because the reaction is first-order in [Cl₂].

e. is wrong. The molecularity is two, because two particles are colliding.

f. is wrong. Both steps are bimolecular.

4 0

4 years ago

Which of the following is(are) the reason(s) metals are good conductors of heat and electricity? Select all that apply

Mariana [72]

Answer: The question is incomplete and the options are not given but here are the options.

a. Metals can absorb more heat flow than other elements before damage occurs.

b. Particles of metallic structure begin to vibrate faster as they absorb energy.

c. Metals have a larger number of freely moving electrons.

d.Metals have high densities.

e. Metals have high melting points.

The correct options are c,d and e.

c. Metals have a larger number of freely moving electrons.

d.Metals have high densities.

e. Metals have high melting points.

The correct options are c,d and e.

Explanation:

Metals are real good conductor of heat because of the following;

Metals have larger number of freely moving electrons and these electrons move in random motion that is they are not stable, they from from place to place. Current generated in a direction is destroyed by current produced in another direction also.

Metals have high densities which is because their crystal lattice are packed very tight in the metallic structure making the metal bond to be stronger and conduct heat.

Metals have high melting point because that have a very strong metallic bond and this bond require a lot of energy to break, therefore making it to conduct heat and electricity.

5 0

3 years ago

How can you tell if a chemical is an ionic bond?

Klio2033 [76]

Classifying compounds as ionic or covalent
If a compound is made from a metal and a non-metal, its bonding will be ionic.
If a compound is made from two non-metals, its bonding will be covalent.

8 0

3 years ago

Please answer right need today not hard

Mashcka [7]

Answer:

A

Explanation:

5 0

3 years ago

Read 2 more answers

The (15-35-15) number on a bag of fertilizer is calculated by an outdated method. All modern fertilizers use PO43- as a source o

Alik [6]

The (15-35-15) number on a bag of fertilizer is calculated by an outdated method. Using the knowledge of the old methods, the number of moles of phosphorus found in 10.0 grams of phosphorus is 0.05 mole.