Chemistry, 12.04.2021 23:40, chynahbug5676
A student ran the following synthesis reaction in the lab to prepare calcium nitride:
3 Ca 15) + N2 β CasN2 19
The student predicted 1.92 grams of product would be collected. Only 1.65 grams were collected.
Was this reaction successful?
Use CER to make a claim (about whether this reaction was successful or not), support it with evidence [from the
story, equation, and/or numerical values provided) and reasoning.
Please Help!!
Answers: 3
Chemistry, 21.06.2019 21:40, MathChic68
It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided
Answers: 3
Chemistry, 22.06.2019 06:00, lindseyklewis1p56uvi
Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %
Answers: 1
Chemistry, 22.06.2019 10:30, ciel8809
Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.
Answers: 1
A student ran the following synthesis reaction in the lab to prepare calcium nitride:
3 Ca 15) + N2...
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