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how much heat in kj is required to warm 130 g of ice initially at -110 c to steam at 1110 c the heat capacity of ice is
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a man fills a balloon with 5 liters of air he then puts the ballon into the oven and heats it to 204 degrees celcius
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a 5 once cup of yogurt contains 60 g of protein 20 g of fat 269 g of carbohydrate the fuel values for protein fat and
the changege h for the solution process when solid sodium hydroxyde dissolves in water is 444 kjmol when a 139 g sample
an nrm spectrum results from photons irradiation in which the nuclear spin aligment is
what will happen to the volume of a gas when the pressure of a gas decreased from 2 atm to 1 atm while the temp is
as a technician in a large pharmaceutical research firm you need to produce 150 ml of 100 m potassium phosphate
use the following information to answer question 1541 and 1542 kc for the is 17 x 10-2 at 250 degrees celsium what will
write the mathematical equation to be used in determining the enthalpy change and explain each term in the
a compound has the empirical formula chcl note the last element is chlorine a 2560ml flask at 373k and 750mmhg contains
a 04168-g sample of a compound known to contain only carbon hydrogen and oxygen was burned in oxygen to yield 07745 g
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a long glass tube sealed at one end has an inner diameter of 100 mm the tube is filled with water and inverted into a
the reaction takes place at around room temperature in solvents such as the specific rate constant at 293 is found to
assuming the difference in relative boiling points of methyl acetate bp 57 oc and 2-butanone bp 80 oc is caused by the
propionic acid and methyl acetate are isomers which has the higher boiling point and why which one would have the