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Reil [10]
3 years ago
13

How many moles of gas are in a 30 liter scuba canister if the temperature

Chemistry
1 answer:
In-s [12.5K]3 years ago
7 0

Answer: the answer is n= 0.487 mol

Explanation: i took the test and got it right

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A compound is found to contain 38.65 % carbon, 16.25 % hydrogen, and 45.09 % nitrogen by mass. what is the empirical formula for
iren [92.7K]

The molar mass of carbon is 12, hydrogen is 1, and nitrogen is 14, hence the ratio are:

 

C = 38.65 / 12 = 3.22

H = 16.25 / 1 = 16.25

N = 45.09 / 14 = 3.22

 

Divide the three by the lowest ratio which is 3.22:

 

C = 3.22 / 3.22 = 1

H = 16.25 / 3.22 = 5

N = 3.22 / 3.22 = 1

 

So the empirical formula is:

CHN

5 0
3 years ago
Complete this neutralization equation:<br> H2SO4 + Al(OH)3
elena-s [515]

Answer:

H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O

Explanation:

4 0
4 years ago
Where are electrons received and donated at in a galvanic cell?
Vikki [24]

Explanation:

In a galvanic cell, the cathode is positively charged and the anode is negatively charged.

The cathode attracts electron while the anode donates or releases electrons.

Electrons received - Cathode

Electrons donated - Anode

3 0
3 years ago
What molecules can produce more energy per gram than sugars and are used for storing energy in animals?
Andrei [34K]
The answer is lipids
3 0
4 years ago
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Diamond is an allotrope of :
Marat540 [252]

Answer:

carbon

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because it is an allotrope of carbon

5 0
3 years ago
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