Dilute sulfuric acid is a typical acid. A student adds excess dilute sulfuric acid to a sample of solid copper(II) carbonate

in a

test-tube.

(i) Give three observations the student would make.

(ii) Give the names of all products formed.​

Newtons second law deals most cosely with

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.

The kw for water at 0 °c is 0.12× 10–14 m2. calculate the ph of a neutral aqueous solution at 0 °c.