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Lubov Fominskaja [6]
3 years ago
14

The ideal gas law (PV=nRT) describes the relationship between pressure P, volume V, temperature T, and molar amount n. When n an

d V are fixed, the equation can be rearranged to take the following form where k is a constant:
Boyle's law PV=nRT=kn and T; Charles's law VT=nRP=kn and P; Avogadro's law Vn=RTP=kT and P.
A certain amount of chlorine gas was placed inside a cylinder with a movable piston at one end. The initial volume was 3.00 L and the initial pressure of chlorine was 1.80 atm. The piston was pushed down to change the volume to 1.00 L.
Calculate the final pressure of the gas if the temperature and number of moles of chlorine remain constant. Express your answer with the appropriate units.
Chemistry
1 answer:
Diano4ka-milaya [45]3 years ago
3 0

Answer:

New pressure is 5.40 atm

Explanation:

When T° and moles remain constant, we should use these relation to determine pressure, or also volume

P₁ . V₁ = P₂ . V₂

1.80 atm . 3L = P₂ . 1L

(1.80 atm . 3L ) / 1L = P₂

5.40 atm = P₂

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An unknown metal absorbs 61 J of heat, and its temperature increases by 29∘C. What is the heat capacity of the metal?
aniked [119]

Answer:

2.103 J/C

Explanation:

Quantity of heat = Heat Capacity * Temperature change

Heat Capacity = Quantity of heat / Temperature Change

Heat Capacity = 61/29

Heat Capacity = 2.103 J/C

3 0
3 years ago
1. What mass of Mgo will I make from 48 g of Mg?<br> 2Mg + O2 + 2MgO
statuscvo [17]

Answer:

80.6 g

Explanation:

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48.6/24.3= 2 moles

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8 0
2 years ago
A hydrocarbon of pentane has two isomeric forms—n-pentane and iso-pentane. The molecular formula of the n-pentane is C5H12. Pred
Monica [59]
An iso pentane is an isomeric form of n-pentane. Isomers have same molecular formula but differ in the atomic arragement projected in 3D and the arrangement of atoms primarily resulting to a different set of properties. In this case, isopentane also has a molecular formula of an alkane <span>C5H12</span>
5 0
3 years ago
ASAP worth 15 points also
Taya2010 [7]
The person above me is correct I took a test on this so it’s the right answer
7 0
3 years ago
Fill in the chart to describe and give examples of physical changes.
frosja888 [35]

Answer:

here are some examples of physical change!!!

Explanation:

-An ice cube melting into water in your drink.

-Freezing water to make ice cubes.

-Boiling water evaporating.

-Hot shower water turning to steam.

-Steam from the shower condensing on a mirror.

8 0
3 years ago
Read 2 more answers
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