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A person who eats 2843 Cal each day consumes 1.19008 × 107 J of energy in a day. How much water at 100?C could that much energy vaporize? The latent heat of vaporization of water is 2.26 × 106 J/kg. Answer in units of g.
A 363 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 636 mmHg. Calculate the moles of Ar present.
Provide the formula for magnesium phosphate and explain how you determined the proper ratio
What observed rotation is expected when a 1.36 M solution of (R)-2-butanol is mixed with an equal volume of a 0.680 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 dm long?
Write the rate law for this reaction. Calculate the rate constant with proper units.
What is the balanced formula unit equation for the reaction Mercury(II) nitrate reacts with sodium sulfide to form mercury(II) sulfide, which is very insoluble, and sodium nitrate
After mixing 2.00g of H2S with 2.00g of NaOH, a 92.0% yield of sodium sulfide is obtained. Calculate the experimental yield in grams obtained in that reaction.
For experiment 4 in chem 208, how do you find the term symbol? For example part 1b how did she find the term symbol for the red line color?
How much heat is needed in kJ to convert 878 g of ice at -10°C to steam at 134°C? (The specific heats of ice, steam, and liquid are 2.03 J/g · °C, 1.99 J/g · °C, and 4.18 J/g·°C, respectively. The heat of fusion is 6.02 kJ/mol and heat of vaporiza..
A gas consists of 4.95 grams of oxygen and 4.95 grams of nitrogen and occupies a volume of 1.15 liter at a temperature of 330 K. Find the number of gas molecules.
a 4.50 gram sample of LiCl at 25.0 dissolves in 25.o ml of water also at 25.0 Celsius. the final equilibrium temperature of the resulting solution is 60.8 Celsius. what is the enthalpy of solution, delta Hs of LiCl expressed in kilojoules per mole..
Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 J/(g \degrees Celsius}) and 1.00 g/mL] and that no heat is lost to the calorimeter itself, nor to the surroundings.
What will the pH be if 0.910 g of NaOH (40.00 g/mol) is added to 500.00 mL of a 0.500 M acetic acid/acetate buffer with an initial pH of 4.59? The Ka for acetic acid is 1.8 x 10-5.
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