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The heat of solution of ammonium nitrate is 26.2 kJ/mol. If a 5.368 g sample of NH4NO3 is added to 40.0 mL of water in a calorimeter at 23.5°C, what is the minimum temperature reached by the solution? [specific heat of water = 4.18 J/g•°C; heat capacity of the calorimeter = 650 J/°C]
Calculate approximately the heat released when you are given a chemical equation as 2-methyl-1-propene CH 3 ) 2 C CH 2 reacts
Calculate how many such photons are emitted per second by a 80.0-W incandescent lightbulb if we Assume that the light has an average wavelength = 510.0 nm, .
Determine the molarity of a saturated aqueous solution of NaI formed as 25degree celsius assuming that the added NaI does not add significantly to the volume of the water?
Compute the mass of air in an air-filled tire and the also determine the mass of He in a helium-filled tire
Calculate how many joules are needed to heat and calculate the theoretical volumes of 1.0 M Tris base?
What will be the likely effect of clearing forests and converting them to grasslands and crops on (a) the earth's reflectivity (albedo) and (b) the earth's average surface temperature?
If equal masses of N2 and H2 (7.00 grams each) are combined to produce ammonia NH3, how many grams of ammonia could be produced at maximum yield.
the ratio of the no of molecules in the excited state at the temperature of 213 K to the number of ground state molecules and the percent of the excited molecules at 213 K.?
What is the maximum number of electrons that can be identified with each of the following sets of quantum numbers? In some cases, the answer may be "none."
What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M methylamine, CH3NH2, with 25.00 mL of 0.10 M methylammonium chloride, CH3NH3Cl.
At 100 degrees C, the vapor pressure of water, methanol, and ethanol are 760, 2625, and 1694 torr, respectively. Which counpound has the highest normal boiling point.
Identify the steric number, shape, hybridization about the central atom and molecular polarity of sulphuryl chloride, SO2Cl2.
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