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A gas company charges $1.30 for 15.0 cubic feet of natural gas. (a) Convert this rate to dollars per liter of gas. (b) If it takes 0.304 cubic feet of gas to boil a liter of water, starting at room temperature (25 degrees C), how much would it cost to boil a 2.1-L kettle of water?
Assume that you have carried out a radical chlorination reaction on (R)-2- chloropentane and have isolated (in low yield) 2,4-dichloropentane.
What is the sum of the stoichiometric coefficients when the reaction is balanced to lowest common denominator
The reactant concentration in a first order reaction was 5.50x10^-2 M after 40.0s and 1.60x10^-3 M after 100s. What is the rate constant for this reaction
how many liters of carbon dioxide are produced from the complete combustion of 88 grams of propane at STP
HCl by mass and has a density of 1.20g/ml .How much concentrated solution would you take to prepare 2.75L of 0.430 M HCl by mixing with water?
If a 220 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.41.0 , what is the average thickness of the sheet in meters?
How many moles of Barium nitrate must be added to 325mL of 0.20M Iron (III) nitrate to increase the concentration of nitrate ions in the solution to 1.25M.
How is it possible that hard water can also be very saline ie The River Murray in South Australia? If sodium is added to soften hard water, then wouldn't the presence of salt in hard water 'soften' the water naturally
A certain substance has a heat of vaporization of 39.17 Kj/mol. At what kelvin temperature will the vapor pressure be 6.50 times higher than it was at 325k?
An aqueous solution is 28.0% by mass ethanol, CH3CH2OH, and has a density of .957 g/mL. What is the molality of ethanol in the solution
The pH in a lake the size of 4.0 km X 7.0 km and an average depth of 100 m is found to be 4.5. Calculate the mass of calcium carbonate that must be added to the lake water in order to raise its pH to 6.0.
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before any NaOH is added)? The Ka for HOCl is 3.0 x 10-8 M.
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