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dexar [7]
3 years ago
6

Who is ghana's presnt​

Chemistry
1 answer:
enyata [817]3 years ago
3 0

aquafaba is president of Ghana

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7. Assume that you have collected 867 L of nitrogen gas at STP. What is the mass of the nitrogen gas?
jekas [21]

Answer:

1083.6 g

Explanation:

At STP, 1 mol of any given mass will occupy 22.4 L.

With the information above in mind we can<u> calculate how many moles of nitrogen gas (N₂) are there in 867 L</u>:

  • 867 L ÷ 22.4 L/mol = 38.7 mol

Finally we convert 38.7 moles of N₂ into grams, using its molar mass:

  • 38.7 mol * 28 g/mol = 1083.6 g
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3 years ago
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Which of the following is a physical model of the Sun? A. an equation that describes the Sun’s motion B. a chart that lists the
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E since its a physical model i.e. you can touch and feel the model :)
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What is a physical property of toothpaste
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The color, shape, volume, mass, etc.
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A reaction was performed in which 4.0 g of cyclohexanol was reacted with an acid catalyst to obtain 2.8 g of cyclohexene. calcul
ioda

Answer:

              %age Yield  =  85.36 %

Solution:

The Balance Chemical Reaction is as follow,

               C₆H₁₂O  +   Acid Catalyst    →    C₆H₁₀  +  Acid Catalyst + H₂O

According to Equation ,

              100 g (1 mole) C₆H₁₂O produces  =  82 g (1 moles) of C₆H₁₀

So,

                       4.0 g of C₆H₁₂O will produce  =  X g of C₆H₁₀

Solving for X,

                      X =  (4.0 g × 82 g) ÷ 100 g

                      X  =  3.28 g of C₆H₁₀   (Theoretical Yield)

As we know,

                     %age Yield  =  (Actual Yield ÷ Theoretical Yield) × 100

                     %age Yield  =  (2.8 g ÷ 3.28 g) × 100

                     %age Yield  =  85.36 %

5 0
3 years ago
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