3 years ago

H-h+cl+cl____2h-cl... calculate the energy needed to break the bond

Chemistry

1 answer:

Elenna [48]3 years ago

4 0

The energy required to break one mole of Cl - Cl bond is 242 kJ/mol

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It would be D.the food chain

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when 10 moles of sodium reacts with excess oxygen for 60 minutes, only 3 moles of sodium remains in 1000 millimeters of H20. Wha

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Identify the correct mole ratio for each substance. Sodium chloride (NaCl) Na:Cl = 1: Ammonium nitrate (NHNO) H:O = 4:

Norma-Jean [14]

<u>Answer:</u> The mole ratio of H : O in ammonium nitrate is 4 : 3.

<u>Explanation:</u>

We are given a compound named ammonium nitrate having formula $NH_4NO_3$

There are 3 elements in this compound which are nitrogen, hydrogen and oxygen.

To calculate the mole ratio, we write the ratio of their subscripts. For this compound, it is:

$N:H:O::2:4:3$

The mole ratio of H and O for this compound is 4 : 3.

4 0

3 years ago

Read 2 more answers

What is the oxidation number of chlorine in HClO4?

Elza [17]

CIO4-=-1

CI=4O=-1

O has a 2- oxidation change so

CI+4(-2)=-1

CI+(-8)=-1

CI=-1+8=7

So the oxidation number of chlorine is 7 in this case

8 0

3 years ago

8. How many atoms of cobalt are in a 0.39 mole sample of CoC

Debora [2.8K]

8.98

cobalt atoms

Explanation:

Avogadro's number

specifies

6.0221

individual particles. It is simply another collective number like a dozen, or a score, or a gross.

has the property that

6.0221

individual cobalt atoms has a mass of

58.93

⋅

. How did I know that? Did I have it memorized?

So the quantity is

≈

cobalt atoms.

3 0

3 years ago

H-h+cl+cl____2h-cl... calculate the energy needed to break the bond​

H-h+cl+cl____2h-cl... calculate the energy needed to break the bond