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Earth's oceans have an average depth of 38000m, a total area of 3.63*10^8km^2, and an average concentration of dissolved gold of 5.8*10^-9g/L. a) how many grams of gold are in the oceans? b) how many m^3 of gold are in the oceans? c) just a few years ago, the price of gold was #310.00/troy oz. what was the value of gold in the oceans (1 troy oz = 31.1 g; d of gold = 19.3 g/cm^3)?
Enough of a monoprotic acid is dissolved in water to produce a 0.0113 M solution. The pH of the resulting solution is 6.43
Assuming the solution's final volume is 150.0 mL, the density is 1.00 g/mL, and the specific heat is 4.184 J/(g C), calculate the heat of the reaction.
write the reactions. Also, identify the minor alkene product,C.
A sample of gas is heated. During the heating process, the volume of the gas increases 1.7 times. If the initial temperature of the gas is 80°C, what is the final temperature of the gas.
What would be an appropriate reaction mechanism for these two reactions? Including electron transfer arrows.
A solution is 0.034M in Na2SO4 and 0.035M in Na2CrO4. Solid Pb(NO3)2 is added without changing the volume of the solution. A. Which salt will precipitate first?
Calculate the % yield of Al2(SO4) from the reaction: 2Al(OH)3(s) + 3H2SO4(aq) -> Al2(SO4)3(s) + 6H2O(l) given that 205 g of Al(OH)3 react with 751 g of H2SO4 to yield 252 g Al2(SO4)3.
Calculate the density of N2 at STP, (a) using the ideal-gas law and (b) using the molar volume and molar mass of N2.
According to the following reaction, how many grams of ethylene (C2H4) are required for the complete reaction of 23.8 grams of hydrogen gas?
You have 100 moles of solvent (not water). You have determined that 100g of dissolved sucrose incrases its boiling point temperature by 10C. For 100 moles of the pure solvent, how much mass (in grams) of salt
825grams of NO are produced from the reaction of 500grams of NH3 with excess oxygen, what is the percent yield?
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 9.30 MJ of energy (in the form of heat) if the temperature of the sodium
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