- Is there anyway to stop "weather alerter"?

Discover Questions

I need to describe two ways I would measure moles in chemistry lab and identify any equipment I would use? If you started with 3.60g of Copper and reacted it with an excess of nitric acid what mass of copper hydroxide would you expect to recover? What are the applications of poisons equation? How to test Petrol in blood? If 5sinθ = 3 determine the value of:
1. cos (θ-360)
2. Tan (squared)θ
3. Sin θ x cos θ (all divided by cos (squared θ)?