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If the heat of combustion for a specific compound is -1180.0kj/mol and its molar mass is 26.93g/mol, how many grams of this compound must you burn to release 805.00 kj of heat.
What is the importance of chemistry to agriculture, Write summary of total one page and include references as well.
How much heat (in kJ) is evolved in converting 1.00mol of steam at 130.0C to ice at -50.0C? The heat capacity of steam is 2.01 and of ice is 2.09 .
a 155 gram sample of copper was heated to 150 degrees celsius then placed into 250 gram of water at 19.8 degrees
Why is it important to apply the sample to the column in the smallest amount of solvent possible? what would happen if you used to much
CH3CH2OCH2CH3 can be synthesized by an SN2 reaction. Draw the structures of the alkyl chloride and nucleophile that will give this compound in highest yield
what is the pressure when the volume of the gas is reduced to one-fifth of the original value at the same temperature?
What is the rate of formation of carbon dioxide over the specified time period in this reaction
How many liters of antifreeze ethylene glycol [CH2(OH)CH2(OH)] would you add to a car radiator containing 6.50 liters of water if the coldest winter temperature is -40.0C. Calculate the boiling point of this water-ethylene glycol mixture.
Consider the electronic transition from n = 2 to n = 4 in a hydrogen atom and select the correct statement below.
when potassium nitrate dissolves in water the beaker containing the solution gets cooler. is dissolving this salt an
What is the concentration of Co2 ions at equilibrium? Assume the formation constant of Co(NH3)62 is 5.0× 1031.
If a 220 mg piece of gold (density =19.32 {rm g}/{rm cm}^{3}) is hammered into a sheet measuring 2.5times1.0 {rm ft}, what is the average thickness of the sheet in meters?
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