What is 680 000 km as an integer?

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

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

What is the pressure of 0.500 moles of carbon dioxide gas in a 2.5 l tank and at a temperature of 301 k? (r=0.0821 l·atm/mol·k) 3.08 atm 1.2 atm 0.23 atm 4.01 atm 4.94 atm