Which of the following is needed to determine velocity?
A) Direction only
B) Direction & time
C) Distance & direction
D) Distance, time and direction
Direction only
Direction & time
Distance & Direction
O Distance, time and direction

Which mathematical relationship should you us to convert moles of a substance into grams

12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]

For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)