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user100 [1]
3 years ago
6

The following balanced equation shows the formation of sulfur dioxide.

Chemistry
2 answers:
lyudmila [28]3 years ago
7 0

<u>Ans: C) 15.0 mol</u>

<u></u>

<u>Given:</u>

Chemical reaction:

S + O2 → SO2

Moles of SO2 produced = 15.0 mol

<u>To determine:</u>

Moles of S needed

<u>Explanation:</u>

Based on the stoichiometry of the given reaction:

1 mole of S is required to produce 1 mole of SO2

Therefore, # moles of S required to produce 15.0 mol of SO2 is

= 15.0 mol SO2 * 1 mol S/1 mol SO2 = 15.0 mol S

AlexFokin [52]3 years ago
6 0

actually the answer is C. 15.0 on ed

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Which number label represents the nucleus? 6,5,3,2 ​
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Answer:

5

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4 0
2 years ago
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A chemist mixes 1.00 g CuCl2 with an excess of (NH4)2HPO4 in dilute aqueous solution . He measures the evolution of 670 J of hea
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Answer:

\Delta H will be 90054 J

Explanation:

Number of moles = (mass)/(molar mass)

Molar mass of CuCl_{2} = 134.45 g/mol

So, 1.00 g of CuCl_{2} = \frac{1.00}{134.45}mol of CuCl_{2} = 0.00744 mol of CuCl_{2}

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4 0
3 years ago
A pulse with an amplitude of 3+ would be considered:
alexdok [17]
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4 0
3 years ago
How reactive is an atom of Sodium(Na) and why?
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3rd one:
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5 0
2 years ago
The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0% yield. How many grams would be prod
Vedmedyk [2.9K]

The grams that would be produced  from 7.70 g of butanoic acid and excess ethanol is 7.923grams

calculation

Step 1: write the chemical equation for the reaction

CH3CH2CH2COOH + CH3CH2OH →  CH3CH2CH2COOCH2CH3  +H2O

step 2: find the moles of butanoic acid

moles= mass/ molar mass

=  7.70 g/ 88 g/mol=0.0875 moles

Step 3:  use the mole ratio to determine the moles of ethyl butyrate

moles ratio of CH3CH2CH2COOH :CH3CH2CH2COOCH2CH3  is 1:1 therefore the moles of CH3CH2CH2COOCH2CH3 = 0.0875  x78/100=0.0683moles

step 4: find mass = moles x molar mass

 =  0.0683 moles  x116 g/mol=7.923grams

5 0
3 years ago
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