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ycow [4]
3 years ago
11

What is a zero order reaction? Give two examples.

Chemistry
1 answer:
dezoksy [38]3 years ago
4 0

Answer:

I guess 3 to be honest and that's what I think

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Which element has the least density at STP?
vladimir2022 [97]

Answer:

Helium, this noble gas has the least density at STP

Explanation:

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2 years ago
he combustion of propane (C3H8) is given by the balanced chemical equation C_3H_8+5O_2\longrightarrow3CO_2+4H_2O C 3 H 8 + 5 O 2
Basile [38]

Answer:

290 grams

Explanation:

Let's begin by writing the balanced chemical equations:

C_{3}H_{8} +5O_{2} --->3CO_{2} +4H_{2}O

Then we calculate the number of moles in 97g of propane.

n(propane)=\frac{mass}{molarmass} =\frac{97g}{44.1g/mol}=2.1995mol

According to the balanced chemical equation, one mole of propane produces 3 moles of carbon dioxide. So the available number of moles of propane must be multiplied by three to work out the number of carbon dioxide produced.

n(carbon dioxide)= 2.1995mol*3 = 6.5985mol

mass(carbon dioxide) = moles * molar mass

                                   = 6.5985 mol * 44.01 g/mol

                                   = 290 grams

4 0
3 years ago
D) hydrogen and sulfur<br> Formed
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During photosynthesis the chemical bonds between are broken
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