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An analysis of her diet reveals an average daily intake of 80 grams of fat, 200 grams of carbohydrate, and 50 grams of protein.Calculate average daily kcalorie intake.
It takes 55.0 J to raise the temperature of an 11.7 g piece of unknown metal from 13.0 C to 25.0C. What is the specific heat for the metal?
how many grams of NaOH should be used to make 200 mL of a 0.24M solution of NaOH starting with a .400M HCL solution
Determine the pressures of one gram (each) of gaseous H2, He, N2 and Ar, where each sample is contained in a volume of one liter at 0 degrees centigrade. Which sample has the greatest pressure under the conditions stated. Which sample has the leas..
Predict the effect of decreasing the container volume on the amounts of each reactant and product in the following reactions. (NOTE: Only ONE submission is allowed for this question.)
How many moles of hydrogen gas are produced when 0.066 mole of sodium is completely reacted?
What is the resultant pressure if 3.7 mol of ideal gas at 273 K and 1.97atm in a closed container of constant volume is heated to 446 K.
A certain substance has a heat of vaporization of 37.43 kJ/mol. At what Kelvin temperature will the vapor pressure be 7.00 times higher than
What is the mole fraction of solute and the MOLAL (MOLALITY NOT MOLARITY!!!!!) concentration for an aqueous solution that is 14.0% NaOH by mass
A 29.20 g piece of iron and a 25.30 g piece of gold at 100.0 degree C were dropped into 980.0 mL of water at 15.65 degree C. The molar heat capcities of iron and gold are 25.19 J/(mol degree C) and 25.41 J/(mol degree C), respectively.
a sample of He gas has a volume of 900 mL and a pressure 2.50 atm at 298 K. What is the new pressure when the temperature is changed to 336 K and the volume is decreased to 450 mL?
What would be the product if dimethyl fumarate (trans-MeO2CCH=CHCO2Me) was heated in the presence of 3-sulfolene?
an ice cube is placed in a beaker of water at 20 c. the ice cube partially melts and the temp of the water is lowerd to
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