Interpretation:
From the given options, the effects of increasing temperature at which a
Concept Introduction:
Rate of a Chemical Reaction:
It is the rate of change of concentration of reactant or product per unit time or it is expressed in by decrease in concentration of reactant or increase in concentration of product.
Factors affecting the rate of a chemical reaction:
- 1. Concentration of Reactants:
Rate of the reaction is directly proportional to concentration of the reactants.
c = concentration
n = order of the reaction
k = specific rate
- 2. Reaction Temperature:
Increase in temperature will increase the average kinetic energy of the reactant molecules. It is very easy for the molecules to move and thus makes the collision more effective. A large fraction of collisions will result in the product.
- 3. Presence of Catalysts:
Catalyst is a substance which can increase the rate of the reaction without altering the reaction. It will provide an alternative pathways for the reaction, thereby lowering the activation energy. For attaining equilibrium in a reversible process, the catalyst will lowers the activation energies of both forward and backward reactions.
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General, Organic, and Biological Chemistry
- EXERCISE 1. Why is a collision between two particles necessary for a reaction to occur? 2. Explain the reaction of energy graph for an exothermic reaction in terms of collision theory. 3. What is activation energy? 4. Which two factors govern whether a collision between reacting particles will be effective? 5. If two reactants collided with energy but no reaction occurred, what would be the most likely explanation?arrow_forward15.8arrow_forward.ll Boost LTE 3:50 AM O Q 42% Question 3 of 4 Submit The reactant in a chemical reaction that is the first to be used up is called A) limiting reactant B) excess reactant C) catalyst D) spectator ion Tap here or pull up for additional resourcesarrow_forward
- Which factors have an affect on the rate of reaction? Select all that apply! a) enthalpy of reaction b) energy of activation c) temperature d) molecular orientation e) catalyst f) concentration of reactantsarrow_forwardURGENT PLEASE ANSWER CORRECTLY THANK YOUarrow_forwardWhich of the following will speed up a reaction? (Select all that apply) Question 1 options: a) crushing up a large chunk of solid b) increasing the concentration of a product c) adding a catalyst d) Increasing the temperature to 65oC e) decreasing the concentration of a reactantarrow_forward
- Question 23arrow_forwardEXPERIMENT Prepare 2 clear glasses. Label the glasses with letter A and B Put cold water in letter A and hot water in letter B Dissolve 1 tablespoom of sugar in cups letter A and B Observe where the sugar will dissolve first. In A? or glass B? FACTORS AFFECTING THE RATE OF REACTION OBSERVATION CONCLUSIONarrow_forwardWrite a balanced equation for the combination reaction described, using the smallest possible integer coefficients. When methane (CH) combines with carbon tetrachloride, dichloromethane (CH,Cl,) is formed. Submit Answer Try Another Version 10 item attempts remainingarrow_forward
- Please correct answer and don't use hand ratingarrow_forwardWhat is the reaction profile for the following exothermic chemical reaction: 4 HCl(g) + O2(g) 2 Cl 2(g) + 2 H₂O(g)? A D E Graph (a) Graph (b) Graph (c) Graph (d) Graph (e) e Energy Progress of reaction Progress of reaction (b) Energy Progress of reaction Progress of reaction Energy *** Progress of reactionarrow_forwardBeaker # Temperature Observation 10c Slow fizzing , clear solution after 2 min 38 sec Fast fizzing, clear solution after 48 sec 58c Question 3: Which beaker solution changes color fastest? Question 4: How did the increase in temperature increase the rate of reaction of oxalic acid with potassium permanganate? Observation Catalyst present Catalytic material to be tested Test tube #arrow_forward
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