Consider two gases, A and B, are in a container at room temperature. What effect will the following changes have on the rate of the reaction between these gases?
The number of molecules of gas A is doubled.

The answer is B
Because the pressure is double

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

the answer is a and have a great day

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.