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4) Which of the following statements is TRUE for gases? 1. The temperature of a gas is inversely proportional to its pressure. 2. The volume of a gas is directly proportional to the pressure in torr. 3. The pressure of a gas is due to collisions of the gas molecules. A) 1 only B) 2 only C) 3 only D) 1 and 2 only E) 1 and 3 only
A gas sample has an original volume of 760 ml when collected at 720 mm and 25degC. What will be the volume of the gas sample if the pressure increases to 820 mm and the temperature increases to 30degC?
A system at equilibrium contains I2(g) at a pressure of 0.16 atm and I(g) at a pressure of 0.20 atm. The system is then compressed to half its volume
What is the mass of sugar in 735g of a 19.85% sugar solution?
from the plots of the boiling point versus the volume of distillate in either of the fractional distillations of the ethanol-water mixture,what conclusion can you draw about the homogeneity of the distillate?
NaOH + CO2 - >Na2CO3 + H2O. If the average human body discharges 716 g of CO2 per day, how much NaOH is needed each day for each person in the spacecraft? Answer in units of mol.
A serum sample of a concentration of 23.0 ppm. How many mL of 0.010M EDTA solution would be added to 100 mL of serum sample to get to a final
Methyl orange is made by diazotizing the sodium salt of sulfanilic acid (p-aminobenzenesulfonic acid) followed by coupling with N,N-dimethyl aniline. Write equations for these reactions,giving the structure of methyl orange.
Find out what will be the half-lives if [NOBr]o = 0.054 M - The rate constant for the second order reaction Is 0.80 M-1s-1 at 10 degree celsius temperature
How many grams of water at 0oC could be frozen to ice at 0oC by the evaporation of 493 grams of isopropyl alcohol?
Elements cannot be decomposed by chemical means, but can be decomposed by physical means.
Enough of a monoprotic acid is dissolved in water to produce a 0.0131 M solution. The pH of the resulting solution is 2.48.
Calculate the final temperature of a mixture of 100.0 g of ice initially at -16.0 degrees C and 375.0 g of water initially at 90.0
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