an iron skillet has a mass of 500 grams. The specific heat of iron is 0.449 j/g C. How much heat must be absorbed to raise the skillets temperature by 95 C The equation is Q = m * C * ΔT

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.