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Lana71 [14]
2 years ago
10

Which of the following is not an example of a chemical change?

Chemistry
1 answer:
Eva8 [605]2 years ago
8 0
D I think.. hopefully it helps a little
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PLEASE HELP ME
BabaBlast [244]

Answer:47.05% is the percent yield of nitrogen in the reaction.

Explanation:

heoretical yield of nitrogen gas = x

Moles of ammonia =  

According to reaction,2 moles of ammonia gives 1 mol of nitrogen gas.

Then 2.3529 mol of ammonia will give:

of nitrogen gas

Mass of 1.1764 moles of nitrogen gas,x = 1.1764 mol × 28 g/mol=32.94 g

Experiential yield of nitrogen gas = 15.5 g

Percentage yield:

hope that help

47.05% is the percent yield of nitrogen in the reaction.

3 0
3 years ago
If you need 0.0592 moles of nitrogen, how many grams of nitrogen do you need to mass(weigh) on the
navik [9.2K]
Urchin tc yc you txutxurzyrxtuciyvuoxutxurx
8 0
3 years ago
A single covalent bond is made up of​
SIZIF [17.4K]

Answer:

In chemistry, a single bond is a chemical bond between two atoms involving two valence electrons. That is, the atoms share one pair of electrons where the bond forms. Therefore, a single bond is a type of covalent bond.

Explanation:

(copied from Google)

4 0
3 years ago
Hunting lions has been banned in some parts of Africa. If this law is enforced, what can we expect to happen to the populations
k0ka [10]
The population would decrease, the more predators there are the more food needed for the species .
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3 years ago
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What is the IUPAC name of KNO3<br>​
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