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A certain reaction proceeds by first-order kinetics. The half-life of the reaction is 180s. What percent of the initial concentration remains after 900s? a. 6.25% b. 12.5% c. 25% d. 50%
asked
Oct 14, 2024
Chemistry
high-school
1
answer
131k
views
explain the similarities and differences between the observations that supported the geocentric models of the solar system and the phenomena described in the table.
asked
Sep 19, 2024
Physics
college
1
answer
141k
views
Touching the pt w/o permission is the legal definition of?
answered
Sep 10, 2024
Law
college
1
answer
218k
views
Solve and check. x − 7/9 = 2/9
answered
Mar 10, 2024
Mathematics
college
1
answer
216k
views
Graph the linear equation. Help 50 points!!
asked
Dec 8, 2023
Mathematics
high-school
1
answer
163k
views
Explain four advantages of the nuclear family
asked
Oct 15, 2023
Social Studies
high-school
1
answer
144k
views
Identify the slope and y-intercept of the function y= -5x+4
answered
Jun 29, 2023
Mathematics
middle-school
2
answers
195k
views
Write each expresión as a sum or difference of multiples of logarithms , assume the variables represent postpone numbers
asked
Jun 4, 2023
Mathematics
college
1
answer
219k
views
Which fundamental principles of the french revolution were incorporated into the napoleonic code?
answered
May 16, 2023
History
high-school
1
answer
44.5k
views
To find 12 / 3/5 we rewrite 12 as A. 12/1 B.1/12
answered
Apr 2, 2023
Mathematics
college
1
answer
197k
views
Why does the book with more mass feel heavier in your hand
asked
Mar 24, 2023
Physics
college
1
answer
153k
views
Why did great britian pass the navigation acts?
asked
Mar 17, 2023
Social Studies
high-school
2
answers
57.7k
views
What does the primary sector focus on?
answered
Feb 24, 2023
Geography
high-school
2
answers
73.1k
views
Use long division to find the solution. 90 r 4 90 r 5 90 r 6 90 r 7 help me please
answered
Feb 11, 2023
Mathematics
high-school
2
answers
156k
views
HELP I NEED HELP ASAP Can someone help with #3
answered
Dec 22, 2022
Arts
high-school
1
answer
70.7k
views
15 points Need ASAP- Use the table to write a proportion ~ (table on pic)
asked
Nov 13, 2022
Mathematics
high-school
2
answers
171k
views
The diameter of a circle is 15 units and an arc on this circle has a 50 degree angle associated with it - what is the length of the arc?
answered
Oct 30, 2022
Mathematics
college
1
answer
17.1k
views
A department store purchases screen-printed t-shirts at a cost of $5 per shirt. The store marks up the price 150% and puts them on the sales floor. Every month that a t-shirt doesn’t sell, the store reduces
asked
Sep 14, 2022
Mathematics
high-school
1
answer
166k
views
What is Position? in science
answered
Aug 29, 2022
Physics
high-school
2
answers
84.5k
views
A triangle has exterior angle measure, one at each vertex, of 6x, 6x, and 3x. What is the value of X?
asked
Aug 16, 2022
Mathematics
high-school
1
answer
120k
views
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