Which action do reactant molecules perform when they create chemical reactions? a. move close to one another b. move away from one another c. collide d. exchange nuclei

If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, cl2, to form 7.7 g of titanium (iv) chloride in a combination reaction, what is the percent yield of the product?

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

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false