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A column of water exerts, a pressure of 100pa and a force of 2.0 N. What is the cross sectional area of the column?
If 8.00 mol of NH3 reacted with 14.0 mol of O2, how many moles of H20 will be produced?
Calculate the molar enthalpy change when mercury is cooled 10 K. The molar heat capacity of mercury is 27.8 J/K*mol
What is the speed of an electron ejected from a metallic surface, where the metal work function is 2.06 eV and the radiation is at the following wavelengths
Suppose that 1.02 of rubbing alcohol evaporates from a 75.0 aluminum block. If the aluminum block is initially at 25C, what is the final temperature of the block after the evaporation of the alcohol?
An experiment shows that a 115 mL gas sample has a mass of 0.170 g at a pressure of 711 mm Hg and a temperature of 33 Celcius. What is the molar mass?
At a particular temperature, K = 3.75 for the following reaction. SO2(g) + NO2(g) SO3(g) + NO(g)
A 347 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 630. mmHg. Calculate the moles of Ar present.
How many kilograms of NH3 will be produced when 25.0 kg of CaCN2 react with excess water?
burning 0.43g of the compound X (only contain C,H,O)in excess oxygen gives 1.10g of CO2 and 0.45g of H2O. what is the empirical formula?
Calculate the partial pressure of water above the solution, in torr.The vapor pressure of pure water at 55°C is 118.0 torr. The MW of lactose is342.3 g/mol
Chemistry Concentrations, In each of the following pairs, indicate which has the higher concentration of Cl- ion
Grignard Synthesis of malachite Green Find the theoretical yield for generation of Gringard reagent AND malachite green. Show calculation Here was the procudure
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