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A mixture of gases has the partial pressures of 0.308 atm due to He, .259 atm due to N2, and the rest is due to O2. If the total pressure of the mixture is 752 mmHg, what is the partial pressure due to oxygen?
Calculate the volume (in mL) of 1.2 mol of a perfect gas at 25.0C and a pressure of 1.02 atm.
A nurse desires to prepare a 1.0% (m/v) solution of silver nitrate from 32mL of a 4.0% (m/v) stock solution. Explain how much water should be added to the 32mL stock solution
What is the oxidation number of boron in sodium tetraborate, Na2B4O7? Given that 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g), if 82.0 g of NH3 react with sufficient oxygen, how many grams of NO will be formed?
Explain how many liters of O2 gas at 26 C and 0.970atm pressure can be obtained by the catalytic decomposition of 18.6g of hydrogen peroxide
Diphosphorus pentoxide is added to water Hydrogen sulfide gas is bubbled through a solution of silver nitrate.
Calculate the molar solubility of stronium fluoride (SrF2) when dissolved in a 0.0800 M solution of stronium nitrate
a 27.00 g sample of an unknown hydrocarbon was burned in excess oxygen to form 88 g of co2 and 27 g of h2o. what is a
The phosphate ion forms insoluble precipitates with calcium and magnesium ions, removing them from solution. Suppose that a solution is 4.5×10?2 in calcium chloride and 8.5×10?2 in magnesium nitrate.
compute the theoretical yield of the product in moles for each initial amount of reactants.ti2cl2ticl4given 4mol ti
A closed container holds 3.14 mol of C(s) and 12.3 mol of O2(g) at 4.94 atm and -4°C. After the reaction has been run to completion (the only product is CO2(g)).
A 3.00 L helium balloon, initially at STP, floats up to an altitude of 10 km, where the pressure is 200.0 torr and the temperature is -45°C. What is the balloon's new volume?
Depict the Lewis structure (including resonance structures) for methyl aside (CH3N3). For each resonance structure, allocate formal charges to all atoms that have formal charge.
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