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what quanitity of energy does it take to convert 0.500kg ice at -20 Celsius to steam at 250 celsius? specific heat capacities: ice, 2.03J/g Celsius , liquid 4.2 j/g Celsius steam 2.0 j/g Celsius, Hvap=40.7kJ/mol Hfus=6.02kJ/mol
What amount of energy would be released upon formation of a mole of 28Si nuclei from their subatomic particles?
if potassium bromide of 25.5 grams is dissolved in enough H 2 O to make 1750 mL of solution, determine the molarity of the solution?
What is the pressure in atmospheres inside a container of gas connected to a mercury-filled open-end manometer when the level in the arm connected to the container is 21.2cm higher than the level in the arm open
a gas is placed in a balloon with a volume of 3.0L at 35C and 800 torr. What would be the new volume for the gas if placed under STP
how many moles of CO2 are produced when 5.40 mol of ethane are burned in an excess of oxygen
From the plots of the boiling point versus the volume of distillate in the simple distillation experiments, what can you conclude
Determine the percent yield for the reaction between 3.74g of Na and excess O2 if 5.35g of Na2O2 is recovered
What was the wavelength of the second photon emitted?
The two phases are allowed to come to equilibrium with their product ammonia in a vessel of fixed volume and at a temperature
The plasma (HCO3-) of an individual living at a high elevation is 18.5 meq/L. If this concentration of bicarbonate fully compensates the decrease
In the process of producing sparkling wine from grape juice, the sugar glucose is decomposed to form ethanol and carbon dioxide. If 23 g of C6H12O6 is fermented, what volume of gaseous CO2 will be produced at a temperature of 29°C and a pressure o..
Calculate the theoretical yield of C2H5Cl when 124 g of C2H6 reacts with 219 g of Cl2 , assuming that C2H6 and Cl2 react only to form C2H6Cl and HCl.
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