Which compound is an unsaturated hydrocarbon?

a) pentane
b) ethyne
c) cyclobutane
d) isopropane

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride

Is 9 correct? and can someone me with 10? it’s due tomorrow, you