A student ran the following synthesis reaction in the lab to prepare calcium nitride: 3 Ca 15) + N2 → 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!!

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%

How does a noncompetitive inhibitor reduce an enzyme’s activity?