Chemistry, 26.04.2021 15:40 ashleychantal99
4. A student places an iron nail with a mass of 2.32 g into a flask of CuSO4. The nail
reacts completely, leaving a quantity of copper metal in the bottom of the flask. The
student finds the mass of the recovered copper to be 2.51 g. The equation for this
reaction is Fe +CuSO4 → FeSO4 + Cu
What is the theoretical yield of copper?
Answers: 2
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What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5
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Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c
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Chemistry, 23.06.2019 03:30
Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.
Answers: 3
Chemistry, 23.06.2019 07:30
Achemist at a pharmaceutical company is measuring equilibrium constants for reactions in which drug candidate molecules bind to a protein involved in cancer. the drug molecules bind the protein in a 1: 1 ratio to form a drug-protein complex. the protein concentration in aqueous solution at 25 Ëšc is 1.74 x10-6 m . drug a is introduced into the protein solution at an initial concentration of 2.00 x10-6m. drug b is introduced into a separate, identical protein solution at an initial concentration of 2.00 x10-6m. at equilibrium, the drug a-protein solution has an a-protein complex concentration of 1.00 x10-6m, and the drug b solution has a b-protein complex concentration of 1.40 x10-6m.a. calculate the kc value for the a-protein binding reaction.b. calculate the kc value for the b-protein binding reaction.c. assuming that the drug that binds more strongly will be more effective, which drug is the better choice for further research?
Answers: 1
4. A student places an iron nail with a mass of 2.32 g into a flask of CuSO4. The nail
reacts comp...
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