How many Cm2 are in 18.3 inc2 ?
A. 2.54
B. 118
C. 118.1
D. 6.45
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Ответ:
An increase in temperature affects the reaction rate by .
Further Explanation:
The speed with which a chemical reaction proceeds is known as the rate of reaction. It is expressed either in terms of consumption of reactants or in the production of products per unit time.
Consider a general chemical reaction as follows:
Here,
A and B are the reactants.
C and D are the products.
x and y are the stoichiometric coefficients of reactants.
p and q are the stoichiometric coefficients of products.
The rate for the above reaction can be expressed in terms of reactant concentration as follows:
Or it can also be expressed in terms of product concentration as follows:
The negative sign indicates that the reactants are being consumed in the reaction and their concentration is decreasing. The positive sign refers to the formation of products whose concentration increases during the reaction.
Temperature is a key factor that affects the rate of chemical reactions. Kinetic energy is directly proportional to the temperature of the substance. If the temperature of the substance is high, its particles move faster and their collision with each other occurs to a greater extent. Therefore if the temperature is increased in any chemical reaction, the number of particles with the sufficient kinetic energy required for the reaction increases and thereby increasing the reaction rates.
Learn More:
What is the half-life of the reaction? Rate of chemical reaction:Answer Details:
Grade: Senior School
Chapter: Chemical Kinetics
Subject: Chemistry
Keywords: reactants, products, rate of reaction, x, y, A, B, C, D, temperature, kinetic energy, collision, particles, negative sign, positive sign.