What is the mass of a tankful of gasoline
The density of a particular brand of gasoline at room temperature is .70g/mL. If the gas tank of a car holds 10.0 gallons, what is the mass of a tankful of gasoline?
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You are interested in determining the rate of reaction with respect to I in the reaction of KI and Na2S2O3 to form I2and K2S2O8. What reagent volume(s) would you vary in time trials to get this information?
How much sodium carbonate (kg/day) is required to precipitate 60 mg/L of non-carbonate calcium in a water treatment plant processing 5 MGD.
Could you provide examples of some commonly used common weak/strong bases and nucleophiles?
The heat capacity of H2O(l) is 75.2 J/mol·K and that the heat capacity of H2O(s) is 37.7 J/mol·K, calculate the heat of fusion of water at -15°C.
One metric tonne(t) equals 1000kg. What is the amount of sulfur dioxide produced by a power plant that burns 7.5 million metric tonnes(t) of coal over a year? Assume that the coal is 2.4% sulfur by mass.
In some industrial processes, sulfite is added to remove dissolved O2 to prevent corrosion of pipes. Write the balanced overall chemical reaction for reduction of dissolved O2 by sulfite (SO32-).
Calculate the molalities of the following aqueous solutions.
The nitrogen is converted to N2(g) and collected. given that 350-mg same yields 42.2 ml N2 at STP, calculate the percentage of nitrogen in the sample.
Given Keq=kr/kf= 0.5 suppose the addition of an enzyme increases kf by a factor of 10^9, (a) calculate Keq for this reaction (b) suppose you add an enzyme that increases Kf by a factor of 10^9, what would Keq be then. What would Kr be
What is the pH at the equivalence point in the titration of a 25.2 mL sample of a 0.489 M aqueous hydrocyanic acid solution with a 0.345 M aqueous barium hydroxide solution
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