The equation x + y 2z has the rate law equation shown below. which of the following statements best describes the relationship of x on the rate of the reaction? rate = k[x]2[y] changing x has no effect on the reaction rate. doubling x causes the reaction rate to quadruple. dividing x by two causes the reaction rate to be cut in half. multiplying x by three also increases the reaction rate by three times.

The order of the reaction with respect to X is 2.
The statements given ;
1. As Concentration of X is in the rate law equation , changing X will have an effect on the rate of the equation.
2. Rate is proportional to X^2
So if concentration of X is doubled, then rate proportional to (2X)^2 = 4X^2
Rate therefore quadruples when X is doubled
This statement is correct
3. If we divide X/2 then the effect to the rate is (X/2)^2 = X/4 . This will reduce the rate by quarter not half . This statement is wrong.
4. If we multiply by 3
Then rate proportional to (3X)^2 = 9X^2
Rate increases by 9 times. This statement is wrong

It changes food into energy that the organism can use.

The density of water is 1 g/cm cubed and in order for the pebble to sink its density has to be greater than the density of water and in order for the twig to float its density has to be less than the density of water