HELP ME PLZ , For the following chemical reaction, chose the effect each change would have on the system: Xe(g) + 2 F2(g) ⇄ Xe4(g) + heat

all of the options are either shift left , shift right , or no change .
i had put three in but i don't think their right , helpp.

Which of these describes how heat is transferred by convection* a. sunlight travels through space without the aid of fluids or solids. b. warm air rises and takes the heat with it, eventually, it cools and sinks c. air at the equator rises and sinks at the poles. d. air molecules touch the warm ground, heating them up *not conduction