How many moles of H20 are produced from 3 moles of oxygen? 2 H2 + O2
--> 2 H20 *

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Define dew point. i am writing this part to be able to ask the question