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A sample of carbon monoxide gas whose mass is 7.75 g is heated from 25 oC to 166 oC at a constant pressure of 5.52 bar.
Calculate q (in J) for this process.
Calculate w (in J) for this process.
Calculate ?E (in J) for this process.
Suppose that Part II of the experiment were carried out with aqueous NaOH (sodium hydroxide) instead of Ba(OH)2 to form soluble Na2SO4
Ethylene dibromide (EDB) is a liquid that boils at 109C. Its molecular weight is 188g/mol. Calcuate its density as a gas
An alloy, initially weighing 50 grams, contains 90 atomic% silver and 10 atomic% copper. How many grams of copper would have to be added to make the alloy 12 atomic% copper?
Dry air (0% humidity) is approximately 78% N2, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry air at 0 °C and 1.0 atm. Assume ideal behavior and use two significant figures in your answers.
The mass of the empty beaker was 27.430g. After the water was added, the beaker had a mass of 37.416g. Calculate the density of the water.
Classify each reactant as the reducing agent, oxidizing agent, or neither.
The % of antifreeze should be raised to twenty five percent by draining some of the mixture and adding 100% antifreeze determine how much mixture should be drained?
How much heat is needed to warm 45.6 grams water from 23.0° C to 40.0 °C?
A certain substance has a molar heat of vaporization of 31.6 kj/mol. How much of the sunstance is in a sample that requires 57 kj to vaporize.
if you had excess chlorine how many moles of of aluminum chloride could be produced from 17 grams of aluminum
What is a meniscus? Why do some liquids develop a meniscus? How do we read the liquid level in a volumetric measuring device
Which of the following solvents, hexane, methylene chloride, acetone, or methanol will give the best seperation on a TLC plate of a mixture composed of
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