Ashley and Rachel are driving bumper cars. Ashley's bumper car is moving and she collides with Rachel's bumper car, which is not moving. Describe what happens to the momentum of both cars during this collision

How will the system respond to a temperature increase?

Both independent and dependent clauses

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.