For the reaction C+2H2=CH4, how many grams of hydrogen are required to produce 0.6 moles of methane, CH4?
(2step)

Gymnast always perform on padded mats. how does the mats protect the gymnast

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

Which of the following is a physical property flammability heat of combustion solubility and toxicity