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How much heat do you need to raise the temperature of 150 g of gasoline from 30oC to 15oC?
A sample of gas with an initial volume of 27.6L at a pressure of 735 mmHg and a temperature of 309 K is compressed to a volume of 15.8 L and warmed to a temperature of 374 K.
A 29.0-g sample of water at 260. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Find out the required pressure to compress 180 liters of N at 1.0 atm into a tank whose volume is 34 liters.
An sulphuric acid solution has a concentration 3.75 M and a density of 1.230 g/cm3. Determine the molality of the solution.
Calculate the final volume of a 0.500 L gas container that increased in temperature from twenty six degree Celsius to sixty degree celsius while the pressure increased from 760 torr to 1170 torr?
Europium (Europium is a chemical element with the symbol Eu and atomic number 63 )crystallizes in a body-centered cubic lattice compute the unitcell edge length in pm if The density of Eu is 5.26 g/cm3..
Determine What is the percent by mass of sodium phosphate in a 0.142M Na 3 PO 4 (aq) solution? If it is given that it has a density =1.015g/mol.
When gaseous nitrogen,hydrogen & ammonia are mixedin a closed vessel at room temperature no apparent change in the concetrations of regardless of the original amount of gases.
A scuba diver with a lung capacity of 5.2 L inhales a lungful of air at a depth of 45 m and a pressure of 5.5 atm. If the diver were to ascend to the surface (where the pressure is 1.0 atm) while holding her breath.
In a second experiment, I(electric current) broke down a sample of H 2 O into 1.45 grams of hydrogen and 11.51 grams oxygen. Are these results reliable with the law of exact extent?
Compute the ratio of the concentration of H 2 CO 3 to that of the HCO 3- if The pH of a bicarbonate-carbonic acid buffer is 8.50
Calculate how many calories of heat are needed to increases the temperature of 550 grams H2O from 12 degree celsius to 18 degree celsius?
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