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What mass of liquid water at room temperature (25 C) can be raised to its boiling point with the addition of 31.0 kJ of energy
A 0.692 g sample of glucose, C6H12O6, is burned in a constant volume, bomb calorimeter. The temperature change is measured at 1.80 degrees C.
For the reaction SO3+H2O=H2SO4 calculate the percentage yield if 600 g of sulfur trioxide react with excess water to produce 475 g of sulfuric acid
Which of the intermolecular forces is the most important contributor to the high surface tension shown by water and What is the quantum of light called?
Conductivities are often measured by comparing the resistance of a cell filled with the sample to its resistance when filled with some standard solution, such as aqueous potassium chloride. The conductivity of water is 76 mS m^?1 at 25°C
In a 0.1 molar solution of NaCl in water, which one of the following will be closest to 0.1?" A) the mole fraction of NaCl B) The mass fraction of NaCl
Compute the enthalpy change for this reaction per mole of this substance and dissolves via the reaction and the temperature of the solution rises to twenty eight degree celsius.
a 12.6 g sample of NH4NO3 is dropped into a constant-pressure calorimeter containing 175 g of water at 23.5 C. What temperature will the water reach, assuming that the calorimeter container does not gain or lose any heat?
Determine how many grams are there in 4.5+10 22 molecules of Barium nitrate and determine what is the molar mass of a gas ?
What is the final pH of a solution that contains 0.1 M of H2N-CH2-CH2-NH3+ Cl- and 0.01 M of Cl- NH3+-CH2-CH2-NH3+. The pKa values of the compound are as follows; pKa1= 7.5 and pKa2= 9.5:
basketball with a volume of 3.50 Liters is left in a car when the temperature is 298 K. What will the volume of the ball be as the car heats up to 305 K during the day?
methyl alcohol (CH3OH) is made by reacting carbon dioxide with H2. Starting with 2.5g of H2 and 30.0 L of Co, what mass of methyl alcohol could be produced at STP.
What mass of HCl is contained in 30.0ml of a solution solution which is 37.2 mass% HCl has a density of 1.19g/ml.
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