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xxMikexx [17]
2 years ago
12

PLEASE HELP ME ASAP PLEASE!

Chemistry
1 answer:
liberstina [14]2 years ago
8 0

Answer:

the equation is balanced because there are 8 atoms of carbon, 26 atoms of oxygen, and 20 atoms of hydrogen. on each side of the equation.

PLEASE MARK BRAINLIEST

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c3H8 + 5O2 = 3CO2 + 4H2O When 44.0 grams of propane (C3H8) under goes complete combustion, how many grams of water will be produ
Umnica [9.8K]

<u>Answer:</u> 72 grams of water will be produced.

<u>Explanation:</u>

To calculate the number of moles, we use the formula:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}    ....(1)

Mass of propane = 44 grams

Molar mass of propane = 44 grams

Putting values in above equation, we get:

\text{moles of propane}=\frac{44g}{44g/mol}=1mole

For the reaction of combustion reaction of propane, the equation follows:

C_3H_8+5O_2\rightarrow 3CO_2+4H_2O

By Stoichiometry of the reaction,

1 mole of propane produces 4 moles of water.

So, 1 mole of propane will produce = \frac{1}{1}\times 4=4moles of water.

Now, to calculate the amount of water, we use equation 1, we get:

Molar mass of water = 18 g/mol

4mol=\frac{\text{Mass of water}}{18g/mol}

Mass of water produced = 72 grams

Hence,  72 grams of water will be produced.

6 0
3 years ago
Form of energy knows as light energy
zalisa [80]
Electro magnetic energy
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3 years ago
What compound is this?
Nezavi [6.7K]

Answer:

Carbon Tetrachloride

Explanation:

1 Carbon atom, 4 chlorine atoms (hence "tetra" prefix)

7 0
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If an atom has a mass number of 23, which of the following is always true?
lesantik [10]
Atomic number is less than 11
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How many grams of salt(NaCl) are in 4.8 moles?
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Molar mass of salt = 58.44 grams/mole

m = 58.44 \frac{g}{mol}  \times 4.8mol = 280.512g
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3 years ago
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