Do all waves have the same speed

What is the name of the star closest to Earth? OA) the Sun OB) Betelgeuse OC) Alpha Centauri OD) Proxima Centauri

A car moving south speeds up from 10 m/s to 40 m/s in 15 seconds. What is the car's acceleration?

What made of neon gas (at STP) is necessary to fill up 600.0 L container?

A chemist observes that a large molecule reacts as if it were much smaller. The chemist proposes that the molecule is folded in a way that causes it to react differently than expected and develops a series of experiments to test that proposition.

How many atoms of gold are in a 5 gram sample of pure gold?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda