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First order reaction has a half-life of 26. 4 seconds. How long does it take for the concentration of the reactant in the reaction to fall to one eighth of its initial value
answered
Oct 13, 2024
Social Studies
high-school
5
votes
44.4k
views
The percentage of total earth water that is readily available fresh water is less than 1%.
answered
Aug 10, 2024
Geography
high-school
2
votes
68.6k
views
Who is Dai Qing? What happened to him and why?
answered
Jul 20, 2024
History
high-school
5
votes
101k
views
Anna is ……….. A)mispunt B)mispunten C)een mispunt D)één mispunt
answered
May 21, 2024
French
college
2
votes
55.3k
views
Determine whether the claim is valid. Explain. Ximena conducts a survey on how students spend their money. Sample: 80 students randomly chosen as they leave the school. Question: Do you spend the majority
answered
Apr 13, 2024
Mathematics
middle-school
5
votes
78.5k
views
A new plant is to produce 1.0x10⁶ MTPA of methanol from methane. The process has 8 functional units and requires a delivered equipment cost of $300 MM. The FCI of a similar plant with a production rate
answered
Jan 23, 2024
Engineering
college
3
votes
221
views
(2 times the square root of 5 plus 3 times the square root of 7) squared
answered
Nov 7, 2023
Mathematics
college
8
votes
84.4k
views
Select the graph that represents h=-16t2+80
answered
Jul 25, 2023
Mathematics
high-school
6
votes
69.3k
views
What is the slope of the line?
answered
Apr 10, 2023
Mathematics
middle-school
4
votes
188k
views
What is the mass of 12 m3 of methylated spirit whose relative density is 0.8 ? ( Hint the density of water = 1000 kgm-3 ) A. 9600 kg B.9400 kg C. 8600 kg
answered
Apr 10, 2023
Physics
college
5
votes
33.7k
views
Complete the point-slope equation of the line through (8,-8) and (9,8)
answered
Jan 19, 2023
Mathematics
high-school
7
votes
155k
views
7 - 5(3f - 2)A. -15f+10B. 15f+10C. 15f+17D. -15f+17
answered
Jan 17, 2023
Mathematics
college
3
votes
56.1k
views
Help meeee if you want to please thank you have a good day
answered
Jul 16, 2022
Computers and Technology
middle-school
4
votes
146k
views
PLEASE HELP IM BEGGING YOU During its golden age, the Abbasid caliphate made important achievements including A. inventing the first gunpowder weapons. B. creating new forms of mathematics. C. building
answered
May 14, 2022
History
high-school
5
votes
154k
views
Pls help me I have a test soon
answered
Apr 26, 2022
Mathematics
high-school
9
votes
6.7k
views
Badminton is only an individual sport True False (This is gym)
answered
Apr 6, 2022
Physics
high-school
5
votes
103k
views
GEOMETRY. Name a Pair of Parallel AND PERPENDICULAR lines.
answered
Jan 6, 2022
Mathematics
high-school
6
votes
140k
views
Someone plz help me i need help plz question: 14+9
answered
Jan 2, 2022
Mathematics
middle-school
2
votes
154k
views
An aqueous potassium iodate ( KIO 3 ) solution is made by dissolving 587 grams of KIO 3 in sufficient water so that the final volume of the solution is 5.00 L. Calculate the molarity of the KIO 3 solution.
answered
Oct 31, 2021
Chemistry
college
3
votes
48.3k
views
Can I please have some help?
answered
Oct 8, 2021
Mathematics
middle-school
2
votes
56.6k
views
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