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A mass of 1.20g of silver is plated from a silver nitrate solution in 1:25 hours. Calculate: a) couloumbs, b) faradays and c) amperes necessary for this process.
What is the number of bonding electron pairs on the central atom of SiH4? What is the number of nonbonding electron pairs on the central atom of SiH4? What is the Molecular Geometry of SiH4
During the compression, a heat transfer of 1.6 Btu occurs from the nitrogen to its surroundings. Assuming ideal gas behavior, determine A.) the mass, in lb of the nitrogen B.)the work in Btu.
If the water in a well has 1000.0 mg/L of CaCO3 dissolved in it, How many grams of Na2C2O4 could you mix with 100.0 mL of that water before a precipitate would form
A sample of gas has an initial volume of 2.8 L at a pressure of 753 mmHg .If the volume of the gas is increased to 3.6 L, what will the pressure be
the reaction shown below occurs and the temperature of the resulting solution rises from 22.00°C to 61.16°C. If the specific heat of the solution is 4.18 J/(g ? °C), calculate delta H for the reaction, as written. Ba+2H2O--->Ba(OH)2+H2 Delta H?
If 7.85 x 10 to the 24th power Sc atoms react with excess CaO, how many grams of each product will form? You will need to determine the equation of the reaction.
calculate the pressure of the dimer when the total pressure is .725 atm at equilibrium. 2ch3cooh(g) (ch3cooh)2(g) Monomer Dimer
How many moles of HNO3 are present in 35.0 mL of a 4.50 M solution of nitric acid?
consider a mixture of air and gasoline vapor in a cylinder with a piston. the original volume is 40. cm3. if the
What is the boiling point of water at an altitude where the ambient air pressure is 0.47 bar? The enthalpy of vaporization of water near its boiling point is 40.7 kJ/mol.
What is the vapor pressure of a solution with a benzene to octane molar ratio of 2:1. (benzene= 280 mmHg ; octane= 400 mmHg)
Suppose that the microwave radiation has a wavelength of 11.2cm . How many photons are required to heat 295mL of coffee from 25.0C to 62.0C
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