Chemistry, 03.09.2019 05:10 BreBreDoeCCx
The enthalpy of combustion of hard coal averages -35 kj/g, that of gasoline, 1.28 x 105 kj/gal. how many kilograms of hard coal provide the same amount of hat as is available from 1.0 gallon gasoline? assume that the density of gasoline is 0.692 g/ml(the same s density of isooctane).
Answers: 1
Chemistry, 21.06.2019 23:10
Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.
Answers: 1
Chemistry, 22.06.2019 03:00
Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?
Answers: 1
Chemistry, 22.06.2019 07:50
Which of the following electromagnetic waves can create ions?
Answers: 2
The enthalpy of combustion of hard coal averages -35 kj/g, that of gasoline, 1.28 x 105 kj/gal. how...
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