Bottle contains 425 ml of insulin at a concentration of 50.0 mg/ml . what is the total mass of insulin in the bottle?

There is an area in idaho named craters of the moon where most of the ground is covered with basalt, adark gray, igneous rock with no visibl crystals. what can you infer about the geographical history of the area?

Which of the following are correct values for the ideal gas laws constant r

The ammonia molecule in the diagram has the observed bond orientation because