Is rust forming on metal a chemical or physical change

The somatic system controls an animals

Why would the time for diffusion be slower in a large cell then it would be in a smaller cell

A virulence study was performed using Staphylococcus aureus in mice. It was determined that the LD50 for the S. aureus alpha-toxin was 0.045 µg/kg of body weight toxin (a relatively low LD50).

What information do skeleton equations provide that word equations lack?

A 5.00L balloon filled with 1.00 moles of O2 gas contains a total of how many liters?

Which statements are true? na + is formed from the reduction of na (s). the oxidation number for hg (?) is 0. the oxidation number for cu (s) is + 2. zn2 + is formed from the oxidation of zn (s). a reducing agent gains electrons.

An apple pudding is prepared by combining apples, sugar, butter, and lemon juice. To which category does it belong? A) Compound B) Mixture

How many electrons does carbon need to gain to obtain a noble gas electron configuration

What is the pH of a solution of 0.750 M KH2PO4, potassium dihydrogen phosphate?

What science was developed later which was found to support darwins theory