Which among the following must be satisfied for a collision between particles to occur? Particles of reacting substances must have the same kinetic energy and speed The particles of reacting substances must collide with a particle they are reactive to Both particles of reacting substances must be the same size and shape The orientation of a substance must be appropriate for the occurring reaction

The rate of a reaction is how quickly the reaction goes to completion. If two reactions have the same amount of reactant, increasing the rate does not increase the amount of product produced, it simply reduces the time that it takes to make the product.    Using the internet , research the four factors below that affect the rate of a chemical reaction.    1. Reactant concentration (  explained with details and add graphs to explain what you wrote for each one of them) 2. pressure  (  explained with details and add graphs to explain what you wrote for each one of them) 3. Temperature  (  explained with details and add graphs to explain what you wrote for each one of them) 4. Presence of a catalyst.    (  explained with details and add graphs to explain what you wrote for each one of them)          Your work should be written in complete sentences, and assume your audience is grade 11 chemistry students who do not understand this unit. Make sure all research is put into your own words!

Consider the following reaction: 2H₂O₂(aq)→ 2H₂O(1) + O₂(g) Concentration (M) 1.2 1.0 0.8- 0.6- 0.4- 0.2- 0 0 10 Show Transcribed Text 20 [H₂O₂] 30 c 40 50 Time (s) 60 70 80 The graph shows the concentration of H₂O₂ as a function of time. Use the graph to calculate the following. a.) Calculate the average rate of the reaction between 10 and 20 s. b.) Calculate the instantaneous rate of the reaction at 30 s. c.) Calculate the instantaneous rate of formation of O₂ at 50 s. d.) If the initial volume of the H₂O₂ solution is 1.5 L, what total amount of O₂ (in moles) is formed in the first 50 s of reaction?

Consider the following general reaction for which gases A and B are mixed in a constant volume container: A(g) + B(g) -> C(g) + D(g) Match what happens to the rate of the reaction under the following changes: (consider each change separately) v all of gas B is removed from the container more gas A is added to the container the temperature of the container is increased there is no change to the reaction rate ya catalyst is added to the container I. the reaction proceeds at a faster rate v gas D is also added to the container the reaction proceeds at a slower rate II. some of gas B is removed from the container Iy the reaction does not proceed at all the volume of the container is increased