Part A You will be sketching a model building made of toothpicks and marshmallows. The building must be at least two floors (stories) high. It should be able to stand on its own and withstand shaking without toppling over. In this approach, what problem are you trying to solve? What are some of the fixed, chosen, and adjustable design features?

How many moles are in 43.9 l of oxygen

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.

Idont understand it 1.what is the boiling point of a solution of 675 grams of ethylene glycol (c2h6o2) in 2.50 liters of water?