Chemistry, 13.04.2021 04:30 kirathadoll
Yes Data Collection Amount of reactant used in grams 0.231 Product obtained in grams 0.255 (12pts) Calculations and Analysis Use the masses collected above to calculate the moles reactant and product, and the theoretical and percent yields. (2pts) Amount of reactant in moles (2pts) Product obtained in moles (3pts) Product theoretical yield (3pts) Product percent yield
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Chemistry, 22.06.2019 00:00
1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division
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Chemistry, 22.06.2019 11:40
Modern pennies are composed of zinc coated with copper. a student determines the mass of a penny to be 2.482 g and then makes several scratches in the copper coaling (to expose the underlying zinc). the student puts the scratched penny in hydrochloric acid, where the following reaction occurs between the zinc and the hcl (the copper remains undissolved): zn(s) + 2 hcl(aq) → h2(g) + zncl(aq)the student collects the hydrogen produced over water at 25 °c. the collected gas occupies a volume of 0.899 l at a total pressure of 79 j mmhg. calculate the percent zinc (by mass) in the penny. (assume that all the zn in the penny dissolves.)
Answers: 1
Chemistry, 22.06.2019 16:00
Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.
Answers: 2
Chemistry, 23.06.2019 02:00
When an experimenter draws a conclusion that he assumes will apply to all situations set up similarly to his test situation, even though he cannot possibly have examined all possible test scenarios, the experimenter is using deductive reasoning inductive reasoning abductive reasoning subjective reasoning
Answers: 1
Yes Data Collection Amount of reactant used in grams 0.231 Product obtained in grams 0.255 (12pts) C...
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