Chan hee is inflating a basketball using an air pump. he notices that the pump gets warm as he uses it. what is a good hypothesis that could lead to new experimentation?

Is granite a colloid or mixture

Helium has a low latent heat of vaporization at 3.45 J/g. This indicates that helium has: strong attraction between solid particles weak attraction between solid particles strong attraction between liquid particles weak attraction between liquid

The water in a 150-mL flask I'd poured into a beaker that contains 600mL of ethyl alcohol. Which substance I'd the solvent in this mixture?

When iodine solution is mixed with an unknown sample of food, the mixture turns a blue black color. this color change indicates the presence of?

How man total atoms are found in 2HCO3?

Which term represents an intermolecular force in a sample of water? * ?

Which of the following examples are the result of unbalanced forces? Select all the apply

Type one to two paragraphs describing the changes in potential and kinetic energy of the cart.

What is the percent composition of sodium (na) in baking soda

Which experimental evidence supports Ernest Rutherford's theory that the atom is mostly empty space? Positively charged particles shot into gold foil are deflected by the foil.