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crimeas [40]
3 years ago
13

A sample of gas is held at constant volume. If the number of moles of this sample of gas is doubled and the pressure of this sam

ple of gas is halved, what happens to the absolute temperature of the gas?
Select one
a. The absolute temperature is doubled.
b. The absolute temperature is halved.
c. The absolute temperature is quadrupled.
d. The absolute temperature is quartered.
e. The absolute temperature stays the same.
Chemistry
1 answer:
FrozenT [24]3 years ago
5 0

Answer:

<em>number of moles of gas increases the volume also increases.</em>

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A starfish opening a clam is physical change or chemical change?
maks197457 [2]

Answer: Physical change

Explanation: Quite simple as the starfish opening a clam would mean the starfish is physically changing the clams look.

8 0
3 years ago
Alex built a model to show how light bends when placed into water. To do this, Alex filled a fish tank up with water, and shined
densk [106]

Answer:

The model cannot show how light bends.

Explanation:

4 0
3 years ago
What is the volume of 40.0 grams of argon gas at STP ?
MrRa [10]

Answer:

24.9 L Ar

General Formulas and Concepts:

<u>Atomic Structure</u>

  • Reading a Periodic Table
  • Moles
  • STP (Standard Conditions for Temperature and Pressure) = 22.4 L per mole at 1 atm, 273 K

<u>Aqueous Solutions</u>

  • States of Matter

<u>Stoichiometry</u>

  • Using Dimensional Analysis

Explanation:

<u>Step 1: Define</u>

[Given] 40.0 g Ar

[Solve] L Ar

<u>Step 2: Identify Conversions</u>

[PT] Molar Mass of Ar - 39.95 g/mol

[STP] 22.4 L = 1 mol

<u>Step 3: Convert</u>

  1. [DA] Set up:                                                                                                       \displaystyle 40.0 \ g \ Ar(\frac{1 \ mol \ Ar}{39.95 \ g \ Ar})(\frac{22.4 \ L \ Ar}{1 \ mol \ Ar})
  2. [DA] Divide/Multiply [Cancel out units]:                                                         \displaystyle 24.9235 \ L \ Ar

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 3 sig figs.</em>

24.9235 L Ar ≈ 24.9 L Ar

5 0
3 years ago
When coal is burned to produce electricity, the electrical energy produced is less than the
zimovet [89]

Answer: it should be c or b

Explanation:

3 0
3 years ago
A sample of chlorine gas starting at 688 mm Hg is placed under a pressure of 994 mm Hg and reduced to a volume of 500.2 mL. What
Alisiya [41]

(P1V1=nRT1)/(P2V2=nRT2)

Constant temperature → (P1V1)/(P2V2)

688 mm Hg → 0.905 atm

994 mm Hg → 1.30789 atm

500.2 mL → 0.5002 L

(P1V1)/(P2V2)

(0.905)V1/(1.30789)(0.5002)

V1 = 0.72288 L → 722.88 mL

8 0
3 years ago
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