For the reaction h2seo3(aq) + 6 ilatex: - − (aq) + 4 hlatex: + + (aq) latex: \longrightarrow ⟶ se(s) + 2i3latex: - − (aq) + 3 h2o(l) at 0°c, the following data were obtained: exp initial rate (m/s) initial h2seo3 (m) initial ilatex: - − (m) iniital h+ (m) 1 9.85e-7 0.0025 0.015 0.015 2 7.88e-6 0.0025 0.030 0.015 3 3.94e-6 0.010 0.015 0.015 4 3.15e-5 0.0025 0.030 0.030 order in h2seo3 (enter a whole number) order in iodide ion (enter a whole number) order in hydrogen ion (enter a whole number) overall order of the reaction (enter a whole number) what is value of k? enter a number to 2 sig figs e. g. 1.2e3
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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
Chemistry, 22.06.2019 16:00
Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
Answers: 1
Chemistry, 22.06.2019 21:00
Need what is special about water as a compound? how does water regulate climate? what drives water evaporation? why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation? what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !
Answers: 1
Chemistry, 22.06.2019 21:40
A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?
Answers: 3
For the reaction h2seo3(aq) + 6 ilatex: - − (aq) + 4 hlatex: + + (aq) latex: \longrightarrow ⟶ se...
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