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Calculate the % yield from an experiment that produced 5.85 grams of Nitrogen gas from the combustion of 66.92 grams of CH3NH2 with 79.8 grams of O2 at 273°K and 1 ATM CH3NH2(g) + O2(g) → CO2 + N2 + H2O.
If, in a certain experiment, over a specific time period, 0.0039 mol PH3 is consumed in a 1.8-L container each second of reaction, what are the rates of production of P4 and H2 in this experiment?
Calculate the time it takes to deposit 0.100g of copper from a copper sulphate solution if a 3.50 amp current
1.00 mole of pure NOCl and .907 mole of pure Cl2 are placed in a 1.00-L container. Calculate the equilibrium concentration of Cl2(g).
What are the freezing point and boiling point of an aquenous solution of 15.5g glucose (C6H12O6) dissolved in 150 g of water?
Question- An ionic compound forms when calcium (Z = 20) reacts with iodine (Z = 53). If a sample of the compound contains 1.3x10^19 calcium ions, how many iodide ions does it contain
Potassium-42 is a radioisotope that nutritionists use to determine whether the body is effectively using potassium at the cellular level. The half-life of potassium-42 is 12.4 hours.
A 45.0 g block of aluminum initially at 28.0C absorbs 548 J of heat. What is the final temperature of the aluminum?
How much energy in kJ must be absorbed to heat up a volume of ocean water 2 m high by 20 km wide by 30 km deep by 3°C.
2nahco3 -gt na2co3 h2o co2what is the theoretical atom economy of this reaction? sodiumcarbonate is the desired
Give three differences that might be noted between the titration curve for hydrochloric acid and a titration curve for a weak unknown acid?
The density of liquid oxygen at its boiling point is 1.14 {kg/L} , and its heat of vaporization is 213 {kJ/kg} . How much energy in joules would be absorbed by 2.0 L of liquid oxygen as it vaporized? Express your answer numerically in joules.
how many calories are needed to raise the temperature of a 45.0 g sample of iron from 15 degree celisus to 25 degree
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