Kenzie placed .5 grams of baking soda in a balloon and 25 mL of lemon juice in an Erlenmeyer flask. After stretching the opening of the balloon across the neck of the flask, Kenzie raised it to dump the baking soda into the flask. She immediately observed foaming bubbles in the flask and the balloon began to expand. Kenzie concluded that —

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

Iam hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?