An acceleration may result from a. a change in speed. b. a ...

[leilurhhh]

An acceleration may result from
 a. a change in speed.
  b. a change in direction.
  c. a change in both speed and direction.
  d. all of these

Question 2

The equation 4H2O2  4H2O + 2O2 is not appropriately written because
 a. oxygen is not diatomic.
  b. fractional coefficients are not generally used.
  c. the number of atoms of each element on each side is not the same.
  d. the simplest set of coefficients has not been used.

[katheyjon]

Answer to Question 1

d

Answer to Question 2

d

[leilurhhh]

Both answers were spot on, thank you once again

[katheyjon]

Great! Please up vote