Explain how mass and energy are conserved when water evaporates.

Write the formula for compound formed between pb^2+O^2

Which statement about 2‑methyl‑1‑propanol, (CH3) 2CHCH2OH, and 1,3‑propanediol, HOCH2CH2CH2OH is true? 2‑Methyl‑1‑propanol is more soluble in water than 1,3‑propanediol because 2‑methyl‑1‑propanol has a smaller molecular mass.

4 molecules of glucose has how many carbon hydrogen and oxygen

Which type of reaction produces the most dangerous radioactive waste?

Is a hotdog a sandwich? If you think about it, it's meat in bread just like a sandwich. yes, that would also make burgers sandwiches.

An unknown solution turned red litmus paper red, turned blue litmus paper blue, and didn't conduct electricity. The solution is most likely ... a Basic b Acidic c Neutral d Not enough information to determine

Which of the following does NOT occur at a subduction zone? A. The leading edges of both plates are bent downward. B. Oceanic crust is pushed down into the mantle. C. One oceanic plate moves into another oceanic plate. D.

4. What structural characteristics do all hydrogen atoms have in common?

Which of the following would be a result of increased solar activity? A. Longer winters B. Warmer-than-normal sea surface temperatures C. Colder-than-normal sea surface temperatures D. Shorter summers

The electron configuration of an element is 1s22s22p63s23p64s1. why is this a representative element?