This question is about methanol Methanol is broken down in the body during digestion.
What type of substance acts as a catalyst in this process?

Amino acid
Enzyme
Ester
Nucleotide​

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead