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Octane is a major component of the gasoline for cats and trucks. When octane burns it produces carbon dioxide,water and energy. 43 500 kJ of energy is needed to drive a car 350 km. calculate how many grams of octane are needed to provide this amount of energy.
what will be the volume of the blimp at a height of 2300 m, where the temperature is 12°C?
It took 3.66 min with a current of 2.28 A to plate out all the silver from 0.210 L of a solution containing Ag+. What was the original concentration of Ag+ in the solution
An uncovered cup (1/2 pint) of trichloroethane (d=1.325 g/mL) is kept in an 18-ft3 refrigerator at 39 F. What percentage (by mass) of trichloroethane is left as a liquid when equilibrium is established
a sample of gas has a volume of 0.106 L at 37 degrees Celsius and 0.920 atm. what is the volume of stp (1 atm and 0 degrees Celsius)
A solution is prepared by mixing 0.3355 mol of NaNO3 (84.995 g mol-1) with 235.0 g of water (18.015 g mol-1). Its density is 1.0733 g mL-1. What is the molality of the solution?
Gallium arsenide is a polymeric material, but its mass spectrum shows fragments with formulas GaAs and Ga2As2. What would the distribution of peaks look like for these two fragments?
When NaOH is added to the reaction mixture, Cu(OH)2 does not immediatly precipitate. What else in the reaction mixture reacts with NaOH before Cu(OH)2 is formed?
What is the empirical and molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen and 48.68% fluorine if the molar mass of this compound is 156.12 g
A voltaic cell consists of an Mn/Mn2+ half-cell and a Pb/Pb2+ half-cell. Calculate Ecell when [Pb2+] = 0.616 M and [Mn2+] = 1.069 M. You should use the reduction potentials for Mn2+ is -1.18 V and for Pb2+ is -0.125 V.
Which of the following anions is the most nucleophilic in an SN2 reaction? A) h2c=ch- B)ch3ch2- C)ch-triplebonds-C A) B B) C C) A
one can of soda pop is 355 ml. find out the number of tartrazine in milligrams that are utilized while drinking one can
Determine which flask has the smallest amount of water vapour and which one has greater vapor pressure of H 2 O?
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