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A total of 2.00 rm mol of a compound is allowed to react in a foam coffee cup that contains 117 g of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7 ^circ rm C. What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.#question..
Concentrated acetic acid is 17.5 M; vinegar is 0.87 M acetic acid. How much concentrated acid do you need to make 24 L of vinegar? Use the equation c1V1=c2V2 (where c = concentration and V = volume)
Assume that the kinetic energy of a 1500 kg car moving at 150 km/h could be converted entirely into heat. What amount of water could be heated from 22C to 48C by the car's energy?
The experimental rate law is given below for some chemical reaction. Discuss each parameter in the rate law (k, concentrations, and orders) be sure to mention how they affect the reaction and how the factors that affect kinetics relate to these pa..
How many grams of water should be produced and What is the theoretical yield of nitrogen?
How many moles of NaOH must be added to 0.550 L of 0.191 mol/L HC3H5O2(aq) to obtain a solution with pH=4.7. Assume the temperature is 25oC. (For HC3H5O2, pKa=4.89 at 25oC).
When aqueous solutions of lead nitrate and sodium iodide are mixed, a yellow precipitate of lead iodide is formed. Write the molecular, complete ionic
An inert gas occupies volume of 366 ml at temperature 41 oC and pressure 354 Torr. What volume does the gas occupy at standard ambient temperature and pressure (SATP)?
How many kilograms of NH3 will be produced when 25.0 kg of CaCN2 react with excess water?
Assume that the pH is low enough that CH3COOH is not dissociated at all and that the activity of water equals 1 just like for pure liquid water (after all, the solution is quite dilute). HINT: This problem requies you to keep and extra large numbe..
A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Determine the pH of the solution after the addition of 50.0 mL of HNO3. The Kb of NH3 is 1.8 × 10-5.
Sketch a cylinder with ten molecules of helium (He) gas. The cylinder has a movable piston. Label this sketch before. Make an after sketch to represent
At 20 degrees Celcius and 1 atm (pressure), gold (Au) has a density of 19.32 g/cm cubed. What would be the volume of 2.510 kg of gold at the same temperature and pressure
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