Predict how the addition of hydrogen gas would affect the initial rate of the reaction below, and explain your prediction.
h2 (g) + i2 (g) -> 2 hi

Determine the reaction and balance the following equations urgent due in the morning

Draw the lewis dot structure for each of the following polyatomic ions

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of