Flag question: Question 12Question 123 pts The stroke volume of an individual is 60mL. Their End-diastolic volume is 140mL, what is their end-systolic volume.

1. true or false: minerals are inorganic. true false 2. inorganic means that something has never been found alive 3. halite is another name for and is a mineral with a cubic crystal pattern. table salt rock salt

Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]

Liquid nitrogen is kept at a temperature of -320 degrees. when liquid nitrogen is heated it quickly boils and turns into gas. which pair of pictures represent the change caused by adding heat to liquid nitrogen?