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When you follow the manufacturer's specifications, 1.0 galon of a latex, gloss enamel paint covers 350 square feet of a sealed surface. What is the average thickness in millimeters of a coat of this paint?
500 mL of 0.22 M HCl and 500 mL of 0.20 M NaOH were added to a calorimeter. Assume both substances have a density of 1 g/mL and a specific heat capacity of 4.184 J/g°C.
The densities of both gases are the same The masses of both gases are the same The number of molecules of both gases are the same Both the masses and the densities are the same
a 14.0-g sample of cacl2 is dissolved in 112 g of water with both substances at 25.0degc. calculate the final
calculate Delta S when the pressure of 1.0 mol of oxygen is doubled at a constant temperature T=298
An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 6275 J. What is the specific heat of the gas
Imagine that the gas shown in the simulation is an ideal gas such as helium. Notice that the final number of moles of gas is 1.00 mol for each experimental run. You can find the final volume of the gas using the y axis of the graph shown.
Steam distillation may be used to separate a mixture of p-nitrophenol and o-nitrophenol.
A quantity of ice at 0°C is added to 66.4 g of water in a glass at 55°C. After the ice melted, the temperature of the water in the glass was 15°C. How much ice was added? The heat of fusion of water is 6.01 kJ/mol and the specific heat is 4.18 J/(..
compute the thermal-equilibrium values of hole and electron concentrations while considering a homogeneous gallium
A gaseous fuel mixture stored at 749 and 298 contains only methane (CH_4) and propane (C_3H_8) . When 11.3 of this fuel mixture is burned, it produces 776 of heat. What is the mole fraction of methane in the mixture
What wavelength is expected for light composed of photons produced by an n=3 to n=1 transition in a hydrogen?
Calculate the pH of a solution made by dissolving 2.89 g of sodium fluoride and 17.1 mL of 0.309 M hydrofluoric acid in enough water to make 177 mL of solution.
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