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iren2701 [21]
3 years ago
8

What does changing densities cause to occur

Chemistry
1 answer:
Dafna1 [17]3 years ago
8 0

Answer:

Explanation:

Please Elaborate

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What would the Net Ionic Equation be for the following:
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The net equations are obtained from the double displacement of the cations and anions, then balance. 

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Which of the following measurements is expressed to three significant figures?
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Which of the following measurements is expressed to three significant figures?
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How many moles of carbon dioxide gas should be produced when 10.0 g of C2H6 are combusted at STP?
Finger [1]

Answer:

                    0.665 moles of CO₂

Explanation:

                     The balance chemical equation for the combustion of Ethane is as follow:

                            2 C₂H₆ + 7 O₂ → 4 CO₂ + 6 H₂O

Step 1: <u>Calculate moles of C₂H₆ as;</u>

                              Moles  =  Mass  /  M.Mass

Putting values,

                              Moles  =  10.0 g / 30.07 g/mol

                              Moles  =  0.3325 moles

Step 2: <u>Calculate Moles of CO₂ as;</u>

According to balance chemical equation,

                    2 moles of C₂H₆ produced  =  4 moles of CO₂

So,

             0.3325 moles of C₂H₆ will produce  =  X moles of CO₂

Solving for X,

                      X  =  0.3325 mol × 4 mol ÷ 2 mol

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2 years ago
What is the Answer of the picture
Neko [114]

Answer: d

Explanation: I got it right

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3 years ago
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What is the ratio of hydrogen atoms to sulfur atoms in sulfuric acid, h2so4?
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I think it's 2:1 or 2:1:4. I mostly think it's 2:1 though. (:
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