There are 8.16 × 10-³ moles of CO2 gas at 100°C with a volume of 250 mL at 760 mm Hg.
HOW TO CALCULATE NUMBER OF MOLES:
The number of moles of a sample of gas can be calculated using the following formula:
PV = nRT
Where;
- P = pressure of gas (atm)
- V = volume (L)
- n = number of moles (mol)
- R = gas law constant (0.0821 Latm/molK)
- T = temperature (K)
According to this question;
- P = 760mmHg = 1 atm
- T = 100°C = 100 + 273 = 373K
- V = 250mL = 0.250L
- n = ?
1 × 0.250 = n × 0.0821 × 373
0.250 = 30.62n
n = 0.250 ÷ 30.62
n = 8.16 × 10-³mol
Therefore, there are 8.16 × 10-³ moles of CO2 gas at 100°C with a volume of 250 mL at 760 mm Hg.
Learn more about number of moles at: brainly.com/question/4147359
That would be an amino acid. The
and -COOH is the functional group for a carboxylic acid hence AMINO ACID.
Answer:
This is due to the water moisture present in the recovered sample.
Explanation:
The total amount of material recovered isn’t meant to weigh more than the original sample. However when this happens then it means there is the presence of water moisture in the recovered sample.
The recovered samples however needs to be heated to make it dry and eliminate the water moisture through evaporation.
Hey are you from Calvert too? I got the same questions for the DBA
Answer:
The answer is D
Explosion:
it depends on the solid,liquid,gas and the tempcher
