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B.) Ammonia decomposes to nitrogen and hydrogen when in the presence of heated steel whool. what is the final volume of the gas when 45g of ammonia decomposes at 150`C and 1atm pressure. write a balanced equation before you start your calculations!
2B) ammonia is completely decomposed to nitrogen and hydrogen, as in question B). At the end of the experiment the pressure of gas mixture is 866mmHg. calculate the partial pressures of N2 and H2.
Dalton's law of partial pressure
A.) earth's atmosphere consist of 78% N2 and 20% O2 and other gases. what is the partial pressure of N2 and O2 in torr, when the atmospheric pressure is1atm?
Which is the stronger base, HSO4- or H2O? b. Which is the stronger base, H2O or OCl-?
A chemist measures the amount of bromine liquid produced during an experiment. She finds that 766.g of bromine liquid is produced. Calculate the number of moles of bromine liquid produced.
A tank containing carbon dioxide at 400K and 50 bar is vented until the temperature in the tank falls to 300K. Assuming there is no heat transfer between the gas and the tank
How much heat energy is required to raise the temperature of 0.367 kg of copper from 23.0 degrees C to 60.0 degrees C? The specific heat of copper is 0.0920 cal/(g*C)
if the level of solution in the column drops below the level of the resin, channels will be formed in the resin column.How will this influence the efficiency of ion exchange in the column?
consider the following equilibrium system H2(g)+ Br2(g)=2HBr(g) Keq= 14.8 A closed container is initially filled with equal moles of H2 and Br2.When equilibrium is reached the (HBr) is 0.329 mol/L What is the initial (H2)
What is the chemical balance equation and what causes the color and precipitation?
a solid with an irregular shape and a mass of 11.33 g is added to a graduated cylinder filled with water
The half-life for the radioactive decay of U-238 is 4.5 billion years and is independent of initial concentration. How long will it take for 10% of the U-238 atoms in a sample of U-238 to decay?
A solution containing 80. G of NaNO3 in 75 g of H2O at 50°C is cooled to 20°C. How many grams of NaNO3 remain in solution at 20° C?
Calculate the pH of a solution containing 25.00 mL of 0.12M formic acid (Ka=1.7x10^-4) to which the following amounts of 0.10M NaOH have been added:
From the ration of the mass of the black product to the initial 5g placed in the flask, could the remaining black compound be the anhydrous copper carbonate hydroxide molecule?
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