Carbon Dioxide, CO2, is an Element?
A) True
B) False
C) Im not sure. I need more help with this topic

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Asolution is made by dissolving 25.5 grams of glucose (c6h12o6) in 398 grams of water. what is the freezing point depression of the solvent if the freezing point constant is -1.86 °c/m? show all of the work needed to solve this problem.

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?