the rate constant for a reaction is found to be 0.15 m-1s-1. if the initial concentration of the reactant is 0.30 m, how long (in seconds) does it take for the concentration to decrease to 0.15 m?

Question

26-10-2022
Chemistry

Answered

the rate constant for a reaction is found to be 0.15 m-1s-1. if the initial concentration of the reactant is 0.30 m, how long (in seconds) does it take for the concentration to decrease to 0.15 m?

Answer :

Other Questions

if you expect the concentration of an unknown sample you are measuring to 10-50 nm, which are the best standards to use to make your standard curve?

what concentration of potassium hydroxide is needed to give an aqueous solution with a poh of 4.240?

in your data analysis, you did not take this added volume of water into consideration when calculating the resulting concentration of naoh. why not?

if you mix 100 ml of water with 25 ml of 4.58% (w/v) glucose (c6h12o6), what will be the percent concentration of glucose in the resulting solution?

what is the limiting reactant if we mix equal volumes of a 5 m solution of a and a 3 m solution of b ?

a 4.50 ml solution has a concentration of 12 m. what mass of tio2 must be present in solution? your answer should have two significant figures.

the heat capacity at constant pressure is 30 j/k. the enthalpy change upon cooling the system from 200 k to 150 k, at constant pressure, is (in kj):

using the free energies of hydrolysis found in the text, which reaction will release the most energy?

if 9.65 g of nacl reacts with excesses of the other reactants and 4.11 g of nahco3 is isolated, what is the percent yield of the reaction?

This question appears on a quiz. "A 1.0 L balloon has a temperature of 273 K. When the temperature changes to 30°C, what is the volume?" A student answers 0.11

kumarravichandra kumarravichandra · Answer 1 · 2022-10-30T02:39:09-04:00

The rate constant for a reaction is found to be 0.15 . If the initial concentration of the reactant is 0.30 m, 22.2 sec of time does it take for the concentration to decrease to 0.15 m.

1/[A]t=kt+1/[A]o

t=(1/[A]t−1/[A]o)/k=(1/0.15−1/0.30)/0.15=22.2seconds

Mathematically, time and other physical quantities can be coupled to create additional ideas like motion, kinetic energy, and time-dependent fields. The basis of recordkeeping is timekeeping, a complex of technological and scientific challenges. Time is change, or the span of time during which change takes place with motion. Without a change, it is impossible to detect the passage of time. Comparison with a standard is used to calibrate the length of time or change. The second, abbreviated as s, is the SI unit of time. The duration of events or the gaps between them can be measured, compared, or even ordered using time. Utilizing time study and motion study, which improve performance and production, is one way to make effective use of resources.

Learn more about time here:

https://brainly.com/question/7047867

#SPJ4