Dry, white powder, soluble in water to form a slightly basic solution
Answer:
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Answer:
P = 133.4 atm
Explanation:
Given data:
Mass of helium = 988 g
Volume = 45.0 L
Temperature = 23°C (23+273= 296 K)
Pressure of cylinder = ?
Solution:
Number of moles of helium:
Number of moles = mass/ molar mass
Number of moles = 988 g/ 4 g/mol
Number of moles = 247 mol
Pressure:
PV = nRT
P = nRT/V
P = 247 mol × 0.0821. atm. L/mol. K × 296 K / 45 L
P = 6002.5 / 45 L
P = 133.4 atm
A molecule consisting of 100 amino acids has a molar mass
of 10,000 amu. The answer is letter A.
The role of the enzyme is to speed up biochemical
reactions. The answer is letter A. it does not take part in the reaction.
