Question 8 (2 points) Suppose you need 3.2 moles of CaO for a reaction. How many grams of CaO must you weigh out? Question 8 options: 220.07 grams of CaO 179.45 grams of CaO 0.057 grams of CaO 17.52 grams of CaO

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

What type of energy conversion occurs when you place your feet near the fire place and they become warm

Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?