An increase or decrease in energy during a chemical reaction is called

Identify whether this describes heat or temperature. Unit of measurement: Celsius

Ice and water are two agents that can be involved in the process of weathering. Explain how freezing and thawing can cause weathering.

13 Which atom in the ground state has a stable electron configuration? (1) carbon (3) neon (2) magnesium (4) oxygen

It is composed of an alloy that is 90% Platinum and 10% Iridium; having a density of 21.186 g/cm3. What is the volume of the Standard Kilogram?

What is the rate of acceleration of 2000 kilogram truck if a force of 4200 n is used to make it start moving forward

Everyone reacts to stress in the same way.

What is the molarity of a solution made by dissolving 29.5 g of sodium hydroxide (NaOH) in enough water to make 2.45 L of solution? Molar Mass Na: 22.99 g/mol Molar Mass O: 16.00 g/mol Molar Mass H: 1.008 g/mol

Is romano cheese an element, compound, homogeneous mixture, or heterogeneous mixture?

How many shells are occupied in atoms of elements in period 4?

Parts per million (ppm) is a common way to express small concentrations of a solute in water. A sample of tap water that is 25 ppm Cl-Cl - contains 25 grams of Cl-Cl - for every 1,000,000 grams of water.