What is mass? How is the mass of an object

determined?

A geologist studies rocks. Which of Earth's spheres would a geologist be most interested in? atmosphere biosphere hydrosphere lithosphere

What is the chemical compound of nitrogen gas?

Which statement accurately describes liquids? A. They have indefinite volume and indefinite shape. B. They have definite volume and indefinite shape. C. They expand to fill all the space available. D. They have definite volume and definite shape.

Enter a balanced equation for the combustion of ethanol.

When you squeeze an air-filled balloon, what happens inside? A. The temperature inside the balloon decreases. B. There is no change in the number of collisions of air molecules against the wall of the balloon. C.

If 4.34 moles of potassium react with excess water, how many moles of hydrogen gas would be produced at STP

What is the common name of sodium bicarbonate

The mass of one formula unit of SrCl2 is 158.52 amu. Based on this fact, what conclusion can you draw? A. A mole of SrCl2 particles has a mass of 158.52 g. B. 1 g of SrCl2 contains an average of 158.52 particles. C.

A blank is a special kind of mixture in which one substance is uniformly mixed into another

importance of pH value in daily life