In which phase of matter do the molecules that make up the substance have the greatest kinetic energy

Which of the following is not required in a chemical reaction? a. atomic nuclei c. products b. reactants d. energy

A pipet is a type of glassware that is used to deliver a specified volume of liquid. A 5 mL pipette has major scale divisions marked for every milliliter and minor scale divisions marked for every 0.1 mL.

What happens when a cell that has an internal salt concentration of 0.15M NaCl is placed into a solution of 0.01M NaCl?

Calculate the molality (m) of an aqueous solution of HCl which is 36.71% HCl by mass and has a density of 1.076 g/mL.

Will mark as Brainliest. A 642 mL sample of oxygen gas at 23.5°C and 795 mm Hg, is heated to 31.7°C and the volume of the gas expands to 957 mL. What is the new pressure in atm? A) 0.723 atm B) 0.932 atm C) 3.05 atm D) 5.19 atm

Which of the following has the greatest mass, in grams? a. 1 atom of lead (Pb) b. 0.5 mol copper (Cu) atoms c. 0.3 mol gold (Au) atoms d. 25 atoms of mercury (Hg)

Which one is not a sedimentery rock a.) sandstone b.) limestone c.) quartz d. (coal

Which group is more reactive than the alkaline earth metals?

Why do you not want any of the water on the outside of the test tube to drip off into the calorimeter?

What is the mass of an original 5.60-gram sample of iron-53 that remains unchanged after 25.53 minutes?