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Dafna11 [192]
3 years ago
13

a sample of neon occupied a volume of 15.0L at a temp 30.0(C. if the temp were to increase by 15(C, what would be the volume of

the neon under this new condition ?
Chemistry
2 answers:
jeyben [28]3 years ago
4 0

Answer:

22.5L will be the new volume for the gas

Explanation:

Pressure and number of moles remains constant.

When the temperature for a sample of gas is increased, the volume will also be increased, acording to this relation:

V₁ / T₁ = V₂ / T₂

15L / 30°C  =  V₂ / 45°C

(15L / 30°C ). 45°C = 22.5L

We assume Ar, as an Ideal Gas

OLEGan [10]3 years ago
4 0

Answer:

When the temperature increases with 15 °C the new volume will be 15.7 L

Explanation:

Step 1: Data given

Initial volume of the neon = 15.0 L

Initial temperature of the neon = 30.0 °C = 303 K

The temperature is increased by 15°C = 318 K

Step 2: Calculate the new volume

V1/T1 = V2/T2

⇒with V1 = the initial volume of neon = 15.0 L

⇒with T1 = the initial temperature = 303 K

⇒with V2 = the final volume = TO BE DETERMINED

⇒with T2 = the increased temperature = 318 K

15.0 L / 303 K = V2 / 318 K

V2 = (15.0 L/ 303 K) * 318 K

V2 = 15.7 L

When the temperature increases with 15 °C the new volume will be 15.7 L

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7 0
3 years ago
How many grams of oxygen gas (02) are needed to completely react with 9.30 moles
Luba_88 [7]

Answer:

223 g O₂

Explanation:

To find the mass of oxygen gas needed, you need to (1) convert moles Al to moles O₂ (via the mole-to-mole ratio from reaction coefficients) and then (2) convert moles O₂ to grams O₂ (via the molar mass). When writing your ratios/conversions, the desired unit should be in the numerator in order to allow for the cancellation of the previous unit. The final answer should have 3 sig figs because the given value (9.30 moles) has 3 sig figs.

4 Al + 3 O₂ ----> 2 Al₂O₃
^         ^

Molar Mass (O₂): 32.0 g/mol

9.3 moles Al          3 moles O₂              32.0 g
-------------------  x  ---------------------  x  --------------------  =  223 g O₂
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6 0
2 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
2 years ago
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