Classify each as either a solid a liquid or a gas at room temperature a-milk
b-air
c-copper
d-helium
e-diamond
f-candle wax

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?