How many moles of h2o2 are required to make 6 moles of oxygen gas?

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius

Akno3 solution containing 51 g of kno3 per 100.0 g of water is cooled from 40 ∘c to 0 ∘c. what will happen during cooling?