What does ozone in the stratosphere above the earth consist of?

Most solids a. are dense and difficult to compress b. are able to flow c. are amorphous d. have a disorderly structure

What volume will be occupied by 40.2 g of neon gas at STP?

Could an organism survive without its mitochondria if all the other organelle were present

State why chemical equations are useful

W (g) + X (g) - -> Y (g) + Z (g) Gases W and X react in a closed, rigid vessel to form gases Yand Z according to the equation above. The initial pressure of W (g) is 1.20 atm and that of X (g) is 1.60 atm. No Y (g) or Z (g) isinitially present.

What is the total number of protons in the nucleus of an atom of potassium-42? (1) 15 (3) 39 (2) 19 (4) 42

What happens to the equilibrium when the pressure is increased? It favors formation of products. It does not change. It favors formation of reactants. It is conserved.

After 2.0s, Isabela. was riding her bicycle at 3.0m/s on a straight path. After 5.0s she was moving 5.4m/s. What was her acceleration?

Becomes caramel. He pushes astick into the bottom of the acole. Then he dipstip apple in the caramel Which of the following actions is achemical change? melting sugar in the pan turning sugar into caramel putting the stick into the apple

Period # for hydrogen