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1. A fixed amount of gas at 20 degrees Celsius occupies a volume of12.0L under pressure of 650 torr. Calculate its volume at the samepressure when the temperature is increased to 280 degrees Celsius.
2. Calculate the root-mean-square speed in m/s of CO2 gas inat 50 degrees Celsius
3.What is the density of chlorine gas (Cl2) in g/L at 850.00mm HG and 35 degrees Celsius
4. Zinc reacts with aqueous sulfuric acid to formhydrogen gas:Zn(s) + H2SO4(aq)-------> ZnSO4(aq) +H2(g)How many grams of zinc are required to generate 45.0L ofH2 gas at 1.2 atm and 22.0 degrees Celsius?
calculate the ph of a solution prepared by mixing 250. ml of 0.174 m aqueous hf density 1.10 gml with 38.7 g of an
A researcher suspects that the pressure gauge on a 49.9-L gas cylinder containing nitric oxide is broken. An empty gas cylinder weighs 135 lb. The weight of the partially full cylinder is 164.2 lb.
What is the temperature of the water after the ring and water reach thermal equilibrium
If a buffer is prepared using equal amounts of acetic acid and sodium acetate predict what the pH of the solution will be.
1.2g of Silver was roasted in air to form silver 1.289g of silver oxide. Find the Empirical formula for the silver oxide formed.
Calculate the pH of a solution prepared by mixing 0.0100 mol of the base B (Kb = 10^-2.00) with 0.0200 mol of BH+Br- and diluting to 1.13 L.
Calculate the molar concentration of OH - ions in an 1.18 M solution of a weak base, hydrazine, N2H4. (Kb = 4.0 10-6). What is the pH of this solution
Sodium thiosulfate, Na2S2O3, is used as a "fixer" in black and white photography. Identify the reducing agent in the reaction of thiosulfate with iodine.
the water for the pan is not saturated with CO2. Will the reported percent CaCO3 in the original sample be too high, too low, or unaffected? Explain
aspartame c14h18n2o5 is a solid used as an artificial sweetener. its combustion produces carbon dioxide gas liquid
CO(g)+Cl2----COCl2(g) Kc=255 at 1000 K If the reaction mixture contains a CO concentration of 0.1500 M and a Cl2 concentration of 0.175 M at 1000K. What are the concetnrations of each substance when equilibrium is reached
An important characteristic in the fischer esterification mechanism is the formation of a tetrahedral intermediate which is the result of. the alcohol attacking the 2-phenylacetic acid with the subsequent loss of a proton.
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