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Serga [27]
3 years ago
14

How many grams of O2 are produced as 0.033 mol of water decompose

Chemistry
1 answer:
PolarNik [594]3 years ago
6 0

Answer:  This can be quickly solved with "traintracks"

Explanation:

You start w/ grams of water and want to find moles of oxygen gas produced.  

So you want to Convert:  

Grams of water -> moles of water -> moles of oxygen gas.  

The two things you need to know to set up the tracks are:  

1)Molar mass of water- H2O  

Hydrogen - 1.008(x2)  

Oxygen - 16.00  

Water - 18.016

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If two separate containers A and B have the same volume and temperature, but container A has more gaseous molecules than B, then
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Answer:

Higher pressure, is the right answer.

Explanation:

The A will have a higher pressure. Since we have given the volume and temperature is same in both containers A and B. Below is the calculation for proof that shows which container has the higher pressure while keeping the volume and temperature the same.  

So, \ V_A = V_B \\\frac{n_A T_A}{P_A} = \frac{n_B T_B}{P_B} \\Here, \ T_A = T_B \\P_A = \frac{n_A}{n_B} \times P_B \\\frac{n_A}{n_B} > 1 \\\frac{P_A}{P_B} > 1 \\P_A > P_B \\

Therefore, the container “A” will have higher pressure.

8 0
2 years ago
how much heat in joules would be required to raise the tempurture of 450g of aluminum from 19.5c to 31.2c
Mama L [17]
Answer is 19.5c I think
4 0
3 years ago
"Tropo" is a Greek prefix meaning to change or to turn. Why is troposphere an appropriate name for the layer of atmosphere close
tia_tia [17]

Answer:

The troposphere is the layer in which weather occurs, meaning conditions are constantly changing.

Explanation:

i looked it upl

4 0
3 years ago
The mass number of an atom is the number of
sergeinik [125]

Answer:

protons plus neutrons

Explanation:

jsut the definition

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According to South Erie, all sales carry out the function needed to sustain life. That means all sales must contain one accordin
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