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Nitrogen gas (N2) reacts with hydrogen gas (H2) to form ammonia(NH3). Initially, 1.0 atm of nitrogen gas is mixed with 2.0 atm ofhydrogen gas. At equilibrium, the total pressure is 2.0 atm.Calculate the partial pressure of hydrogen gas at equilibrium. and calculate the vaue of Kp for this reaction.
The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.253 g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 26.9°C.
What is the pH of a propanoic acid - propanoate buffer that is 0.25M in CH3CH2COONa and 0.15M with respect to CH3CH2COOH.
Using a sample of 30.0 mL of Kr(g), is at 25°C and 756 mmHg. Calculate the new volume if the temperature is decreased to -125°C and pressure is decreased to 325 mmHg .
Given that the atomic mass of carbon is given as 12.0107 g/mol, what are the approximate relative abundances of the two isotopes 12C and 13C?
In relation to the previous question, diazonium salts couple with phenols in slightly alkaline solution. What effect does the pH of the solution have on the reactivity of the phenol?
A sample of methane gas (CH4) at 18.8 oC is heated. The pressure increases from 1.78 atm to 2.46 atm, and the volume of the sample changes from 4.09 L to 1.89 L.
How many grams of propanol (C3H7OH, 60.10 g/mol) would be needed to make 750 mL of a solution with an osmotic pressure of 25 atm at 25°C? (R = 0.0821 L/atm/K/mol)
Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen: 4KNO3(s)→ 2K2O(s) + 2N2(g) + 5O2(g)
A physiological saline solution contains 164 mEq/L each of Na+ and Cl-.How many moles each of Na+ and Cl- are in 0.500 L of the saline solution.
What mass of carbon reacts completely with 17.8 grams of SiO2 according to the following equation? SiO2 (s) + 2C (s) → SiC (s) + 2CO (g)
How many grams of CH4 is needed to produce 33.5 g CHCl3.
Calculate the number of carbon atoms in 4.56 grams of ethanol (CH3CH2OH).
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