Combustion reactions take place between fuel and oxygen and produce carbon dioxide and water. Balance

Chemistry

1 answer:

cricket20 [7]3 years ago

6 0

This is a combustion reaction of an alkane with oxygen. It is exothermic (

), and can be balanced in normal methods for balancing chemical equations ie ensuring that the total number of atoms of each element is the same on both sides of the equation.

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Why is O2 necessary for rusting?

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O2 isn't necessary for rusting, but some source of oxygen is required. Rust is just another name for iron oxide, and without oxygen there can't be oxide.

Hope this helps,

Davinia.

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3 years ago

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What are the three states in which most matter occurs

Mrrafil [7]

Solid, liquid, and gas.

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4 years ago

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How many grams of carbon should be burned in an excess of oxygen at stp to obtain 2. 21 l of carbon dioxide?.

snow_tiger [21]

You must burn 1.17 g C to obtain 2.21 L CO2 at
STP.
The balanced chemical equation is
C+02+ CO2.
Step 1. Convert litres of CO, to moles of CO2.
STP is 0 °C and 1 bar. At STP the volume of 1 mol
of an ideal gas is 22.71 L.
Moles of CO2= 2.21 L CO2 × (1 mol CO2/22.71 L
CO2) = 0.097 31 mol CO2
Step 2. Use the molar ratio of C:CO2 to convert
moles of CO to moles of C
Moles of C= 0.097 31mol CO2 × (1 mol C/1 mol
CO2) = 0.097 31mol C
Step 3. Use the molar mass of C to calculate the
mass of C
Mass of C= 0.097 31mol C × (12.01 g C/1 mol C) =
1.17 g C
It looks as if you are using the old (pre-1982)
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3 years ago

Two substances with empirical formula HNO are hyponitrous acid (M = 62.04 g/mol) and nitroxyl (M = 31.02 g/mol).(b) For each spe

Natalija [7]

Below is an attachment of the Lewis structure with the lowest formal charges.

The formal charge is the fictitious charge that an atom in a molecule would have if the electrons in the bonds were evenly distributed among the atoms. The nonbonding electrons on a neutral atom are subtracted from its valence electron count, which is then followed by the number of bonds that bind it to other atoms in the Lewis structure, to get the formal charge. This is another way to put it. When hyponitrous acid is oxidized in the atmosphere, nitric and nitrous acids are produced. By reducing a nitrate or nitrite by sodium amalgam in the presence of water, hyponitrite salts have been created.

Learn more about formal charge here-

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2 years ago

Saturn has a diameter of 74,898 miles. What is its diameter in kilometers? (1

Alex777 [14]

Answer:

119836.8 km

Explanation:

74 898 miles * 1.6 km / mile = 119836.8 km

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2 years ago