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The rate constants for a first-order reaction are found to be 2.76 × 10-5 s-1 at 25° and 6.65 × 10-4 s-1 at 50°C, respectively. (a) Calculate the activation energy Ea in kilojoules per mole. (b) Calculate
answered
Jul 8, 2024
Chemistry
college
3
votes
72.3k
views
Read these paragraphs from Ava's story: JJ was going to refuse. After all, where would the band be without her songs? Posting a performance of one of them online for the world to see and hear-and copy!
answered
May 17, 2024
English
college
4
votes
126k
views
One statement about customs culture and time
answered
Oct 30, 2023
History
college
6
votes
138k
views
Quantities which need directionquantities which do not need direction
answered
Sep 6, 2023
Physics
high-school
5
votes
94.7k
views
Admission to the zoo costs $15 per person. Which graph correctly represents the total cost for a group to visit the zoo? Total Cost of Admission to the Zoo On a coordinate plane, the x-axis is labeled
answered
Dec 29, 2022
Mathematics
college
4
votes
96.3k
views
An employee earns a 12% commission rate on the cameras he sells. If he earns $384 in commission, what were his total sales? $3,840 $3,200 $3,720 $2,620
answered
Nov 14, 2022
Mathematics
college
4
votes
116k
views
Thursday night, Larry goes to the local game shop. He purchases three new video games for $15.99 each. If the sales tax is 4.5%, how much does he spend?
answered
Jul 20, 2022
Mathematics
high-school
8
votes
136k
views
Suppose that 13g of a nonelectrolyte is dissolved in 0.50 kg of benzene. The boiling point of this solution is 80.61 °C. The normal boiling point of benzene is 80.10 °C. The molal boiling point elevation
answered
May 11, 2022
Chemistry
high-school
2
votes
23.6k
views
What is Newton's Second Law? 1.The attraction between objects 2.An object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted upon by an unbalanced force 3.An object's
answered
Mar 17, 2022
Physics
high-school
9
votes
111k
views
solve for x. label the sides adj, opp, and/or hyp based on the part you see. show work round to the nearest 10th
answered
Jan 19, 2022
Mathematics
college
5
votes
39.4k
views
Is a animal searching for water a stimulus or response
answered
Jan 11, 2022
Chemistry
high-school
4
votes
202k
views
What is the value of x?
answered
Jan 9, 2022
Mathematics
high-school
2
votes
199k
views
Simplify the following expression: 3X(4-1) + (6+21)
answered
Dec 18, 2021
Mathematics
middle-school
5
votes
95.9k
views
Pls, help asap with all!
answered
Dec 12, 2021
History
college
3
votes
110k
views
PLEASEEEEE HELPPPPP If a train traveled at 50 meters within 120 seconds, what is its speed?
answered
Aug 19, 2021
Mathematics
college
4
votes
146k
views
A cyclist rode for 3.5 hours and completed a distance of 60.9 miles. If she kept the same average speed for each hour, how far did she ride in 1 hour? Part A Estimate the quotient. Include an equation
answered
Jul 29, 2021
Mathematics
middle-school
1
vote
89.6k
views
What is the most likely result of people voting without learning about the election issues? A). They give third party candidates a better chance to win. B). They decide to run for local government office
answered
Jul 25, 2021
History
middle-school
3
votes
3.2k
views
Two more than three times a number equals 30.
answered
Jul 17, 2021
Biology
middle-school
2
votes
211k
views
Who know what im saying kedu ka mmadu nile si raru ura kedu ka ụbọchị gị si aga??
answered
May 12, 2021
Arts
high-school
5
votes
122k
views
PLEASE HELP(DUE IN 10 Minuets)
answered
May 1, 2021
Chemistry
college
4
votes
18.1k
views
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