Physics, 17.09.2019 09:00 candeegraves8308

Determine the rate of a reaction that follows the rate law: rate = k[a]m[b]n, where: k = 1 × 10-2[a] = 2 m[b] = 3 mm = 2n = 1

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We determine the rate of a reaction from the given rate law by substituting the given concentrations and the order of the substances. We calculate as follows:

rate = k[A]^m[B]^n
rate = (1 x 10^-2) [2]^2 [3]^1
rate = 0.12 M /s

The rate law of a reaction is an expression that is related to the reaction rate. The parameters used are the concentration or the pressure of the reactants in the reaction. An example would be:

A = B + C

The rate law would be:

Rate = k[A] where k is the reaction rate constant and determined by doing experiments

Answer from: Quest

a solenoid is created by wrapping a l = 90 m long wire around a hollow tube of diameter d = 4.5 cm. the wire diameter is d = 0.9 mm. the solenoid wire is then connected to a power supply so that a current of i = 9 a flows through the wire.

randomized variablesl = 90 m

d = 4.5 cm

d = 0.9 mm

i = 9 a

write an expression for the number of turns, n, in the solenoid. you do not need to take into account the diameter of the wire in this calculation.

calculate the number of turns, n, in the solenoid.

write an expression for the length of the solenoid (l2) in terms of the diameter of the hollow tube d.

calculate the length of the solenoid (l2) in meters.

calculate the magnitude of the magnetic field at the center of the solenoid in teslas.

explanation:

Answer from: Quest

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Determine the rate of a reaction that follows the rate law: rate = k[a]m[b]n, where: k = 1 × 10-2[a]...

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