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baherus [9]
3 years ago
7

Help please #7 and #8

Chemistry
1 answer:
ira [324]3 years ago
6 0
7 A lead
B Gold
Csilver

8 Afeathrr
B water
C silver
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the temperature of gas is raised by 100 deggres to 200 deggres. what happens to the volume of the gas
solniwko [45]

Answer:

Increases by 100 Pa

Explanation:

According to The Ideal Gas Equation,

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Galileo's most important scientific contributions were in the field of physics. ... Using the telescope, Galileo discovered the mountains on the moon, the spots on the sun, and four moons of Jupiter. His discoveries provided the evidence to support the theory that the earth and other planets revolved around the sun.
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3 years ago
H2O has a mc021-1.jpgHvap = 40.7 kJ/mol. What is the quantity of heat that is released when 27.9 g of H2O condenses?
jekas [21]
The molecular weight of H2O is 18g/mol.
Therefore, 27.9 g H2O / (1mol/18g) = 0.155 mol H2O
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40.7 kJ/mol (0.155 mol) = 6.3 kJ or -6.3 kJ since it is to be released
8 0
3 years ago
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mars1129 [50]

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About 2 liters

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Since 1 gallon equals 3.785 liters, you figure out how many liters per week she uses by 3.785 x 0.75 which is 2.83875. Then divide that by 7 which is 0.405535 liters per day. Then multiply that by 5 days which is 2.027 liters in 5 days.

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The word elliptical refers to what type of shape?
Ilya [14]
The word elliptical refers to an Oval.
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