A lemon with mass 0.3 kg falls out of a tree from a height of 1.8 how much mechanical energy does the lemon have just before it hits the ground? (assume there is no air resistance)

Where is a product found at the beginning or end of a chemical reaction?

Why are frogs commonly used for dissections

Which of the following explains the conservation of mass during cellular respiration? The total number of atoms when carbon dioxide and oxygen react stays the same when glucose and water are produced.

What process would best separate a solution of liquid water and liquid rubbing alcohol Centrifugation Chromatography Distillation Filtration I think it's distillation but I'm not sure

What is the ground state configuration of scandium?

What nuclear symbol has 13 protons and 15 neutrons

Which of the following statements about solutions is NOT true? Select one: a. A solution has the same properties throughout. b. Solutions contain a solvent dissolved in a solute. c. The solute in a solution can be a solid, liquid, or gas. d.

If the molar mass of NaCl is 58.44 g/mol, what amount of NaCl (in mol) is contained in 250.0 mg of NaCl?

How many hydrogen atoms are contained in 167 grams of propane?

How many grams of CO2 are in 6 mol of the compound (this is a science question) ? and the units?