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xxTIMURxx [149]
2 years ago
11

For the skeletal chemical equation

Chemistry
1 answer:
deff fn [24]2 years ago
4 0

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

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Use the ideas of the Kinetic Theory to explain the following. A sealed container contains nitrogen gas. The pressure of a gas is
zubka84 [21]

<u>Answer:</u>

When the temperature increases, the molecules of the gas gain energy. Therefore, they move faster.

This causes the molecules to hit the walls of the container more frequently and with greater force. Hence the pressure inside the container increases.

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2 years ago
How many different design ideas of the puff car do you need to draw? Question options:
Makovka662 [10]

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Im not really sure

Explanation:

I think 6 or 3

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For the reaction 2H2+O2 2H2O how many liters of water can be made from 5.00 L of oxygen gas and an excess of Hydrogen at STP
Veseljchak [2.6K]
5L O2 x 1 mol O2/ 22.4L O2 x 2 mol H20/ 1 mol O2 x 22.4L H20/ 1 mol H20 = 10 L H2O
For future reference though, since its at STP that means that the coefficient are in proportion. Since oxygen has a coefficient of 1 and water has a coefficient of 2 for every 1 liter of oxygen there is 2 liters of water. Hence you started with 5 liters and ended with 10
8 0
3 years ago
Calculate the mass in grams for 0.251 moles of Na2CO3
Len [333]

Answer:

Explanation:

the molar mass for Na2CO3 is 2*23+12+3*16=106 g/mole

106*0.251=26.606 grames

5 0
3 years ago
Carbon dioxide: is removed from the atmosphere by photosynthesis. comprises up to two percent of the atmospheric gases. is being
raketka [301]

Answer:

Is removed from the atmosphere by photosynthesis.

Explanation:

The carbon dioxide (CO2) is presented in the atmosphere and its cycle began with it's incoming by respiration, combustion of fuels and decomposition. The autotrophs, which realize photosynthesis, use CO2 as fuel to produce their food with Sun rays.

The CO2 comprises about 0.3% of the atmospheric gases, and in the past few years, its input is being higher than its removal of the atmosphere, which is aggravating the greenhouse effect. Besides, the atmosphere of Venus has higher levels of CO2.

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3 years ago
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