Which will melt faster: ice made from tap water, distilled water, or salt water?

what is the most likely pH of apple juice?

The gradual changes in radioactive elements enable archaeologists to use carbon-dating techniques to understand the past. Carbon-dating techniques rely heavily on what scientific discipline?

An element is matter that is composed of one type of (atom/quark). 8. the unit of measurement used for atomic particles is the (atom size/atomic mass unit). 9.

Which statement about a methyl functional group is correct? 1) a methyl group consists of a carbon bonded of three hydrogen atoms 2) a methyl group is polar 3) a methyl group may be negatively charged

Water is an example of a

Explain why glacial deposits have been found in Africa?

Which of the following would result in butyl phenyl ether as the major product? a. Reaction of phenoxide with 1-bromobutane b. Reaction of 1-butanol with bromobenzene c. Reaction of phenyl magnesium bromide with 1-butanol d.

A 200-gram sample of a radioactive nuclide is left to decay for 60 hours. At the end of 60 hours, only 25 grams of the sample is left. What is the half-life of the nuclide sample? 60 hours 30 hours 40 hours 20 hours - - - > I think 20?

What is the symbolic formula for acetocholine?

How many hydrogen atoms are present in a hydrocarbon chain of five carbon atoms with two double bonds and two single bonds? 10 6 8 12?