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The average kinetic energy of the molecules in a gas sample depends only on the temperature, T. But given the same kinetic energies, a lighter molecule will move faster than a heavier molecule.
where R=8.314 J/(mol·K) and ? is molar mass in kilograms per mole. Note that a joule is the same as a kg·m2/s2.
1. What is the rms speed of F2 molecules at 475 K?
2. What is the rms speed of He atoms at 475 K?
Calculate E when 900.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm. R = 8.314 J/mol*K and R = 0.08206 atm*L/mol*K
The heat of vaporization for the compound is 27.49 kJ/mol. Calculate the heat required to convert 26.78 g C2Cl3F3 from -59.34 oC to 83.11 oC
What would be the volume of the balloon if it were submerged in a swimming pool to a depth where the pressure is 922.3 mmHg and the temperature is 27.35 C?
Calculate the dilution factor for all 7 test test tubes. Show all work/calculations. 0.1 ml of the solution from the serial dilution 10^-4, 10^-5 and 10^-6 was pipetted onto three separate agar plates.
Determine how much Ammonia would be formed if 187 grams of calcium carbonate CaCO 3 are formed?
A 0.0560 g quantity of acetic acid is dissolved in enough water to make 50.0 mL of solution. Calculate the concentration of H+, CH3COO-, and CH3COOH at equilibrium. Ka for acetic acid= 1.8x10^-5.
Common oxidation states of mercury are 1 and 2. In the 1 oxidation state, mercury forms a diatomic cation. In the 2 oxidation state, mercury is a typical monatomic cation.
health risk does each of the following classification represent Corrosive Carcinogen Teratogen Mutagen
Each molecule can also be in one of two orientations. What is the entropy of this system of molecules in boxes with two possible orientations.
how many grams of the compind potassium chloride must be dissolved in 200 grams of water to make a saturated solution at 60 C.
A balloon has a volume of 1.20 at 24.0 degrees Celsius. the balloon is heated to 48.0 degrees Celsius. calculate the new volume of the balloon.
which is mostly Al2O3, is the principal industrial source of aluminum metal. How much aluminum can be produced from 4.50 ton of Al2O3
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