A jar contains a certain substance. Which observation would show that the substance must be either a solid or a liquid?

One piece of evidence that a chemical reaction occurs when baking soda is added to vinegar

For any chemical reaction at equilibrium, the rate of the forward reaction is A. less than the rate of the reverse reaction B. greater than the rate of the reverse reaction C. equal to the rate of the reverse reaction D.

How many milliliters of 6.00 m hcl (aq) are required to react with 7.65 g of zn (s) ?

Use conservation of energy to explain an inverse relationship between enthalpy and entropy

An atom of which element has the greatest attraction for the electrons in a bond with a hydrogen atom? (1) chlorine (3) silicon (2) phosphorus (4) sulfur

If a sealed syringe that contains some gas in heated in which direction will the syringe plunger move

Use the drop‑down menus to label the statements as either true of false. Dichloromethane is flammable. true false Methanol is flammable. Concentrated sulfuric acid is corrosive. 10% sodium carbonate solution must be used in the fume hood.

What is the process all rocks are continuously in during which that can change into other types of rocks

Collagen is made of fibers and is found in tendons and cartilage. Collagen contributes to meat toughness and is, therefore, an example of which type of protein?

1. Why does CH30 evaporate faster than water?