A hypothesis is an assumption, something proposed for the sake of argument so that it can be tested to see if it might be true. A theory can't be proven
Answer:
All chemical reactions involve energy. Energy is used to break bonds in reactants, and energy is released when new bonds form in products. Endothermic reactions absorb energy, and exothermic reactions release energy. The law of conservation of energy states that matter cannot be created or destroyed.
Answer:
3.5 moles
Explanation:
62.1g x 1 mol/18.002g = 3.449 which is about 3.5 moles
Answer:
i dont know ask the man behind the man
Explanation:
There should be 3 significant figures in the average that you find because there are three significant figures in the weights you are using to find an average.