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lisov135 [29]
4 years ago
7

What is a single replacement rxn?

Chemistry
1 answer:
jeka944 years ago
7 0

Answer:

A reaction in which one element replaces another element in a compound.

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How many moles of hno3 are present if 0.108 mol of ba(oh)2 was needed to neutralize the acid solution? express your answer with
belka [17]
The balanced equation for the neutralisation reaction is as follows
2HNO₃ + Ba(OH)₂ ---> Ba(NO₃)₂ + 2H₂O
stoichiometry of HNO₃ to Ba(OH)₂ is 2:1
number of Ba(OH)₂ mol present - 0.108 mol
1 mol of Ba(OH)₂ neutralises 2 mol of Ba(OH)₂
therefore 0.108 mol of Ba(OH)₂ neutralises - 2 x 0.108 mol = 0.216 mol of HNO₃
6 0
3 years ago
Change 32L of carbon dioxide into moles of carbon dioxide
kaheart [24]
32L —> 32000g —> 727.116 Moles (rounded)
7 0
3 years ago
N2 +3H2 → 2NH3 What volume of ammonia at STP is produced if 30.0 g of nitrogen gas is reacted with an excess of hydrogen gas?
WARRIOR [948]

Answer:

V= 48L

Explanation:

Moles of N2 = m/M = 30/28= 1.07moles

From the equation of reaction

N2 +3H2 → 2NH3

1mole of N2 produces 2mole of NH3

Hence

1.07moles will produce 1.07×2= 2.14 moles

At STP, 1mole occupy 22.4L

Hence volume of N2 produced = 2.14×22.4= 48 L

3 0
4 years ago
Who developed the first scientific atomic theory?
Annette [7]

Answer:

John Dalton

Explanation:

John Dalton (1766-1844) is the scientist credited for proposing the atomic theory. This theory explains several concepts that are relevant in the observable world.

7 0
2 years ago
In two or more complete sentences explain how to balance the chemical equation,
Ghella [55]

Answer:

simbizi

Explanation:

8 0
3 years ago
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