The following reaction has an activation energy of 262 kj/mol. c4h8(> 2c2h4(g)at 600.0 k the rate constant is 6.1× 10–8 s–1. what is the value of the rate constant at 810.0 k? the reaction: a+> +d rate=k[a][b]^2 has an initial rate of 0.0370m/swhat will the initial rate be if [a] is halved and [b] is tripled? what will the initial rate be if [a] is tripled and [b] is halved?

Athermometer is removed from a room where the temperature is 70° f and is taken outside, where the air temperature is 10° f. after one-half minute the thermometer reads 60° f. what is the reading of the thermometer at t = 1 min? (round your answer to two decimal places.) ° f how long will it take for the thermometer to reach 30° f? (round your answer to two decimal places.)

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

What is the percent yield of titanium (iv0 oxide, if 10.2 are formed when 25.7g of titanium (iv0 chloride react?