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In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
what mass of limestone is required to remove all the sulfur dioxide formed by the combustion of 7.5 104 kg of coal that is 0.33 mass % sulfur?
What is the substance being oxidized?
A titration is performed by adding 0.400 M KOH to 40.0 mL of 0.300 M HCl. What is the pH after addition of 5.0 mL of the base?
The enthalpy of combustion of benzoic acid (C6H5COOH) is commonly used as the standard for calibrating constant-volume bomb calorimeters; its value has been accurately determined to be 3226.7 kj?mol.
In the Lewis formula that minimizes formal charge, what is the formal charge on the sulfur atom in sulfur trioxide, SO3?
A gas-filled balloon having a volume of 5.00 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth),
Write the cell notation for a voltaic cell with the following half-reactions Al(s) ? Al3+(aq) + 3e- 2H+(aq) + 2e- ? H2(g)
write the balanced chemical equation for each of the following equilibrium constant expressions: a)Kc=[CO2][H2]/[CO][H2O. b)Kc=[H2][F2]/[HF]^2. c)Kc=[O2][HCl]^4/[Cl2]^2[H2O]^2. d)Kc=[CS2][H2]^4/[Ch4][H2S]^2.
The mineral rhodochrosite [manganese (II) carbonate, MnCO2] is a commercially important source of manganese. Write a half reaction for the oxidation of the manganese in MnCO3 to MnO2 in neutral groundwater
If 23.7 grams of an aqueous solution of barium bromide, BaBr2, contains 6.00 grams of barium bromide, what is the percentage by mass of barium bromide in the solution?
Predict the chemical formula of the compound that results from the reaction between the elements Si and O.
The rate of disappearance of HBr in the gas phase reaction is 0.103 Ms-1 at 150 deg Celsius. what is the rate of reaction.
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