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Aleks04 [339]
3 years ago
10

Consider the combustion of glucose: c6h12o6(s) + 6 o2(g) ←→ 6 co2(g) + 6 h2o(g) ∆h = −2, 800 kj/mol which condition i) adding mo

re carbon dioxide ii) performing the reaction in a hotter environment iii) decreasing the pressure of the system would result in the production of additional water vapor?
Chemistry
1 answer:
Verizon [17]3 years ago
6 0
The answer is iii) decreasing the pressure of the system. When the pressure is decreased, the equilibrium will shift to the right because it has 12 moles of gas which is greater than the number of moles of gas on the left side, which is 6 moles. Equilibrium shifting to the side that exerts greater pressure is favored to offset the decrease in pressure.
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4 years ago
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7. A square chunk of plastic has a length of 5 cm, width of 5 cm and height of 5 cm. It has a mass of 200 g. What is its density
BaLLatris [955]

Answer:

d=1.6\ g/cm^3

Explanation:

Given that,

The dimension of a square chunk of plastic is 5 cm × 5 cm × 5 cm

Mass, m = 200 g

We need to find its density

Density = mass/volume

It will form a cube. It volume = side³

So,

d=\dfrac{200\ g}{5^3\ cm^3}\\\\d=1.6\ g/cm^3

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5 0
4 years ago
Attem A liquid solvent is added to a flask containing an insoluble solid. The total volume of the solid and liquid together is 9
monitta

<u>Answer:</u> The mass of solid is 105.4 g

<u>Explanation:</u>

To calculate the density of a substance, we use the equation"

\text{Density of a substance}=\frac{\text{Mass of a substance}}{\text{Volume of a substance}}       .......(1)

<u>For liquid:</u>

Mass of liquid = 26.6 g

Density of liquid = 0.865 g/mL

Putting values in equation 1, we get:

0.865g/mL=\frac{26.6g}{\text{Volume of liquid}}\\\\\text{Volume of liquid}=\frac{26.6g}{0.865g/mL}=30.8mL

We are given:

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Volume of liquid = 30.8 mL

So, volume of solid = 91.0 - 30.8 = 60.2 mL

Now, calculating the mass of solid by using equation 1, we get:

Volume of solid = 60.2 mL

Density of solid = 1.75 g/mL

Putting values in equation 1, we get:

1.75g/mL=\frac{\text{Mass of solid}}{60.2mL}\\\\\text{Mass of solid}=(1.75g/mL\times 60.2mL)=105.4g

Hence, the mass of solid is 105.4 grams

7 0
3 years ago
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Explanation:

Hope this helps :)

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storchak [24]

Answer:

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Explanation:

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