Determine the total energy consumption
If a car using octane is driven 10,000 miles in one year and gets 25 miles per gallon of octane, determine the total energy consumption? The heat of combustion of octane (C8H18) 47.8 kJ/g and one gallon of C8H18 has a mass of 2620 g.
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Determine a compound with the empirical formula C5H8O that gives a positive Tollens' test and does not react with bromine in dichloromethane.
What mass of nitrogen gas was oxidized when the oxidation of N2 to NO was completed in a bomb calorimeter, the heat absorbed was measured as 492 J.
Discuss why the melting point of CaF2 (1418deg C) is almost double that of RbF (795), but the melting point of CaCl2 (782)is only slightly larger than that of the RbCl (718)?
Illustrate that for every non-zero element a-GF(127), we can calculate its multiplicative inverse a-1 (mod 127) with no more than 12 multiplications (comprising squaring operations).
From the list below, choose the smallest number of moles of NH4Cl that when added to this solution will cause PbCl2 to precipitate.
Determine the molecular formula for3,3-dichloro-2-methylpentane and also calculate the molecular formula for 2-bromo-3-chlorocyclohexene?
Determine the numbers of grams of KOH must be added to 0.500 L of buffer to change the pH by the 0.15 units?
Determine Ka for the acid HA when an unidentified acid, HA, is found to ionize 3.72% when 0.200mol is dissolved in the enough water to make a 0.1000L solution, and the solution components are given time to come to equilibrium.
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