Insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. a bottle contains 475 ml of insulin at a concentration of 30.0 mg/ml . what is the total mass of insulin in the bottle?

Define a is a tiny pavket of energy

When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.

An unknown solution has a ph of 7.2. which of these chemicals is likely to cause the greatest decrease in the ph of the solution when added to the solution? hf koh nh3 hno3