Chemistry, 13.12.2019 18:31 xelynncaldera
When methanol, ch 3 oh , is burned in the presence of oxygen gas, o 2 , a large amount of heat energy is released. for this reason, it is often used as a fuel in high performance racing cars. the combustion of methanol has the balanced, thermochemical equation
ch3oh(g)+3/2o2(g) ⟶ co2(g) + 2h2o(i) δ h = − 764 kj.
how much methanol, in grams, must be burned to produce 575 kj of heat?
Answers: 1
Chemistry, 21.06.2019 19:30
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Chemistry, 22.06.2019 04:30
Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.
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Chemistry, 22.06.2019 13:30
In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.
Answers: 2
When methanol, ch 3 oh , is burned in the presence of oxygen gas, o 2 , a large amount of heat energ...
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