Ask BRIA Water vapor
Liquid water
Which of the following labels should be added to all of the black arrows in the above
illustration?
O temperature increases
O temperature decreases
heat removed
O heat added

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

Write a balanced equation showing the formation of copper (ii) nitrite from its elements

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water