Chemistry, 27.11.2019 20:31 zeldawhite76
Given the equation c3h଼ + → + and that the enthalpies of formation for = −241.8 kj/mol, = −393.5 kj/mol, and the enthalpy of combustion for the reaction is −2220.1 kj/mol, what is the heat of formation for propane?
Answers: 2
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Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density
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Chemistry, 22.06.2019 02:00
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
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In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
Answers: 3
Given the equation c3h଼ + → + and that the enthalpies of formation for = −241.8 kj/mol, = −393....
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