A1.678 g sample of a component of the light petroleum distillate called naphtha is found to yield 5.143 g co2 (g) and 2.456 g h2o (l) on complete combustion. this particular compound is also found to be an alkane with one methyl group attached to a longer carbon chain and to have a molecular formula twice its empirical formula. the compound also has the following properties: melting point of -154 c , boiling point of 60.3 c , density of 0.6532 g/ml at 20 c , specific heat of 2.25 j/(g*c), and -204.6 kj/mol use the masses of carbon dioxide, co2, and water, h2o , to determine the empirical formula of the alkane component. express your answer as a chemical formula?
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Write a hypothesis that answers the lesson question, βwhile observing a chemical reaction, how can you tell which reactant is limiting? β hypothesis: if a substance is the limiting reactant, then . . because . .
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The table lists the lattice energies of some compounds. compoundlattice energy (kj/mol)lif β1,036licl β853naf β923kf β821nacl β786which statement about crystal lattice energy is best supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf. the lattice energy increases as the cations get larger, as shown by lif and licl. the lattice energy decreases as cations get smaller, as shown by nacl and naf. the lattice energy decreases as the cations get smaller, as shown by naf and kf.
Answers: 3
A1.678 g sample of a component of the light petroleum distillate called naphtha is found to yield 5....
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