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SpyIntel [72]
2 years ago
12

HELP. ME!!!!!!!!!!!!!!!

Chemistry
2 answers:
Nastasia [14]2 years ago
7 0
It is CO2 because the oxygen compounds is 2 out of three.
Dmitry [639]2 years ago
4 0
A)CO2!! Hope this helps
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A alloy is a red chicken
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Which of the following is NOT the same?
Inessa [10]

All are the same. It equals to the same thing.

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Bob adds heat to a liquid substance. When enough heat is added,
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Bob adds heat to a liquid substance. When enough heat is added, the liquid would undergo a phase transition from the liquid to the vapor phase. This process is called evaporation. It is an endothermic process where heat should be supplied to the system for the process to happen. The temperature of the system, when enough heat is supplied to allow phase transition, is called the boiling point. It is the temperature when the substance starts to boil in turn to a gas or a vapor. The heat that is associated during boiling is called the latent heat of vaporization. It is the heat that is absorbed during the phase change without changing the temperature of the system.
8 0
3 years ago
In a gas grill, 29 lbs propane C3H8 are
dimulka [17.4K]

Answer : The mass of combustion products formed are 134 lbs.

Explanation :

The balanced chemical reaction will be:

C_3H_8+5O_2\rightarrow 3CO_2+4H_2O

Given :

Mass of C_3H_8 = 29 lbs = 13154.2 g

conversion used : 1 lbs = 453.592 g

Molar mass of C_3H_8 = 44 g/mole

First we have to calculate the moles of C_3H_8.

\text{ Moles of }C_3H_8=\frac{\text{ Mass of }C_3H_8}{\text{ Molar mass of }C_3H_8}=\frac{13154.2g}{44g/mole}=298.9moles

Now we have to calculate the moles of CO_2 and H_2O.

From the balanced chemical reaction we conclude that,

As, 1 mole of C_3H_8 react to give 3 moles of CO_2

So, 298.9 mole of C_3H_8 react to give 298.9\times 3=896.7 moles of CO_2

and,

As, 1 mole of C_3H_8 react to give 4 moles of H_2O

So, 298.9 mole of C_3H_8 react to give 298.9\times 4=1195.6 moles of H_2O

Now we have to calculate the mass of CO_2 and H_2O.

Molar mass of CO_2 = 44 g/mole

Molar mass of H_2O = 18 g/mole

\text{Mass of }CO_2=\text{Moles of }CO_2\times \text{Molar mass }CO_2

\text{Mass of }CO_2=896.7mole\times 44g/mole=39454.8g=86.98lbs

and,

\text{Mass of }H_2O=\text{Moles of }H_2O\times \text{Molar mass }H_2O

\text{Mass of }H_2O=1195.6mole\times 18g/mole=21520.8g=47.44lbs

The total mass of products = Mass of CO_2 + Mass of H_2O

The total mass of products = 86.98 + 47.44 = 134.42 ≈ 134 lbs

Therefore, the mass of combustion products formed are 134 lbs.

6 0
3 years ago
Which ansewrd is it I think that is <br> C OR D<br> A<br> B<br> C<br> D
Lostsunrise [7]

It would be D Because the earth orbits the sun

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