Which of the following compounds contains the Copper (11) ion properly written in a formula
with the Carbonate ion CO3 ?

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

Which of the following units is not an official si unit

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .