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DanielleElmas [232]
3 years ago
8

The combustion reaction of propane is described by the reaction. C3H8 + 5O2 ? 4H2O + 3CO2. How many moles of O2 are required to

generate 3 moles of CO2?
Chemistry
1 answer:
Minchanka [31]3 years ago
7 0

the Answer would be one mole

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How many grams are in 1.6 moles of potassium bromide?​
slava [35]

Answer:

190.4g

Explanation:

1.6mol of KBr (119.002g KBr/1 mol) = 190.4g

since you want to find grams, take the molar mass of KBr (119.002) per 1 mol and use it as your conversion factor (119.002g KBr/1 mol) which will then cancel out mols and leave you with grams.

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Do all colors of light have the same energy?
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For an insoluble compound, how might you prevent formation of the precipitate
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The ring shape of the Cartwheel Galaxy is due to collisions with another galaxy.

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7 0
1 year ago
The air inside a hot-air balloon is heated to 59.00 °C (Tinitial) and then cools to 39.00 °C (Tfinal). By what percentage does t
Mama L [17]

Answer:

6.1%

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Assuming pressure inside balloon remains constant during the temperature change.

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\frac{V_1}{T_1} =\frac{V_2}{T_2}

T_2=39\°\ C=39+273=312\ K

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Percentage change in volume

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Change in volume of the balloon is 6.1%

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