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The combustion of 0.1584 grams of benzoic acid increases the temperature of a bomb calorimeter by 2.45 (degrees) C. Calculate the heat capacity of this calorimeter. (The energy released by combustion of benzoic acid is 26.42 kJ/g.)
a solution of water kb0.512 c and glucose freezes at 4.15. what is the molal concentration of glucose in this solution?
Demonstrate how an addition reaction of H3O+ to an alkene is the reverse of a catalyzed E1 reaction of an alcohol.
What happens when traces of unreacted magnesium metal in a reaction tube when acid is added, after completion of a grignard synthesis of bromobenzene
Some people have argued that rocket engines will not work because the gaseous products of said engine, pushing against a vacuum of space, do not perform any work, therefore the engine will not propel anything.
a tank of compressed o2 gas is 6.00 ft high and has a diameter of 8.00 in. the tank is filled with o2 to a pressure of
if 450 ml of some pbno32 solution is mixed with 600 ml of 3.70 x 10-2 m nacl solution what is the maximum concentration
A balloon is filled to a volume of 7.00 x 102 mL at a temperature of 20.0 oC. The balloon is then cooled at constant pressure to a temperature of 1.00 x 102 K.
For many years drinking water has been cooled in hot climates by evaporating it from the surfaces of canvas bags or porous clay pots. How many grams of water can be cooled from 39°C
A sample of helium gas, He, at 22 degrees C and 101.3 kPa occupies a volume of 2.54L. At a constant pressure, what volume will it occupy at a liquid nitrogen tempature of -197 degrees C?
The equation for the combustion of gaseous methanol is: 2CH3OH(g) + 3O2(g) ? 2CO2(g) + 4H2O(g) Estimate the ?H°rxn per mole of methanol combusted, using the bond energy data provided below
compressed gas cylinder contains 1.00 x 103 g of argon gas. the pressure inside the cylinder is 2050 psi at a
Determine the trend in sizes of the ions O 2- ,N 3- , F - and also explain why does the trend exist? Also describe which of the molecules contains polar covalent bonds but is NOT itself a polar molecule?
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