2 years ago

A good practice for balancing equations with polyatomic ions is:

Chemistry

1 answer:

Kipish [7]2 years ago

8 0

I had this same question a while back, so I may not be right, but I'm pretty sure it's D. None of the above.

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nydimaria [60]

Answer:

I Hope u can understand and it's correct answer

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2 years ago

I have a block of gold and the density is 13.54g/ml If I cut the block in half what is the density of the smaller pieces of gold

Delvig [45]

Answer:

Density is the same

Explanation:

The density remains the same because cutting the object in half will divide the mass & volume by the same amount. Also, the density of a substance remains the same no matter what size it is.

5 0

2 years ago

How many electrons are in the highest energy orbital of the element copper?

iris [78.8K]

the answer is 1 the 4s1 electron........................

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2 years ago

If an endothermic reaction occurs in solution, the temperature of the solution will

Ahat [919]

Answer:

increase

Explanation:

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4 0

2 years ago

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

Norma-Jean [14]

Answer: The mole ratio of H : O in ammonium nitrate is 4 : 3.

Explanation:

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

2 years ago

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