(e) A student claims that Cl2(g) is a catalyst in the reaction. Explain why the student’s claim is false.

The valve seat performs two functions: it provides a seal for the valve in the combustion chamber, and it provides a cool surface to carry heat away from the valve. most valves use a seating angle.

Do you want brainliest + free points? answer this question correctly. why is it important to make sure a police report is properly filed after a collision? a. it's the official account of what happened. b. if you have the police file a report, you can't be fined. c. if you have the police file a report, your insurance won't go up. d. if there's no report, an auto repair shop won't fix your vehicle.

Which statement is true? a crt is a higher-level respiratory therapy certification. every crt is also an rrt a rrt is a certification that adds a specialization every rrt is also a crt