A canister of gases contains oxygen, nitrogen, and hydrogen. Oxygen's partial pressure is 100 torr, nitrogen's partial pressure is 200 torr, and hydrogen's partial pressure is 50 torr. What is the total pressure in the canister?

Enter an equation for the precipitation reaction that occurs (if any) when solutions of sodium hydroxide and copper (II) (II) nitrate are mixed. Express your answer as a chemical equation. Identify all of the phases in your answer.

All of the following are possible outcomes if waterways continue to be polluted except increased oxygen levels. reduced fish respiration and plant productivity. increased amounts of bacteria and protozoans.

What is an identity of an alpha particle

Which of the following is an example of a cycle theme in science?

The order reads 1000 ml of d5w every 10 hours. the drop factor is 15 gtt/ml. the flow rate is 25 gtt/min. after 4 hours the nurse expects to see 600 ml remaining in the iv bottle but instead finds 540 ml. what should the new infusion rate be

Compare and contrast homogeneous and heterogeneous mixtures using key terminology, and provide at least three examples of each. For example, explain what the mixture is comprised of and what makes it homogeneous or heterogeneous.

Which element would most likely have chemical properties similar to that of fluorine (F) ?

Percentage compostion of carbon in CaCO3

Potassium iodide (ki) exhibits predominantly ionic bonding. the k and i ions have electron structures that are identical to which two inert gases?

Amino acid to protein as?