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Calculate the mass of nitrogen dissolved at room temperature in an 93.0 home aquarium. Assume a total pressure of 1.0 and a mole fraction for nitrogen of 0.78.
Apply Hess's Law to the 3 reactions above in order to determine the enthalpy of combustion of glucose 1. glucose + 6 ADP + 6Pi = 2 pyruvate
How many aluminum atoms would have to be placed side by side to span a distance of 6.0 µm atoms (c) If the atom is assumed to be a sphere, what is the volume in m3 of a single aluminum atom
sulfate dissolves as follows: Na2SO4(s) → 2Na+(aq) + SO42- (aq). How many moles of Na2SO4 are required to make 1.0 L of solution in which the Na concentration is 0.10 M?
An aqueous CaCl2 solution has a vapor pressure of 83.0 mmHg at 50 degrees celsius . The vapor pressure of pure water at this temperature is 92.6 mmHg.
compute the volume of 3m naohaqaqueous sodium hydroxide needed to neutralize the phosphoric acids and acetic acid in
Oxygen gas is commonly sold in 45.5 L steel containers at a pressure of 131atm .What volume (in liters) would the gas occupy if its temperature was raised from 20.0 C to 35.5 C at constant 131 atm
Glycerol HOCH2CH(OH)CH2OH is a nonvolatile, water-soluble material. its density is 1.25 g/mL. Predict the vapor pressure of a solution of 2.40 x 10^2 mL of glycerol, in 395 mL of water, at the normal boiling point of water.
How many grams of water are required to dissolve 24g od KNO3 at 100 degrees celsius?
for a stadium that would be in the sun for long periods of day, excluding cost as a factor, why would you choose wood over aluminum or iron?
Calculate the volume of this flask. empty weighed 56.12g , and full of ammonia weighed 87.39g . density of liquid ammonia is 0.625g/l . calculate flask volume in L
1. what are some possible sources of error in your calculated atomic weight for mg?a. calculate the absolute error.b.
How many grams of lithium are required to completely react with 60.7 mL of N2 gas at STP?
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