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1. Classify each of the following reactions as endothermic or exothermic. a) CaCO3 (s) -----> CaO (s) + CO2 (g) ΔHrxn = +177 kJ b) 2C (s) + H2 (g) + 21 kJ -------> C2H2 (g) c) H2 (g) + F2 (g) -------->
asked
Oct 7, 2024
Chemistry
high-school
1
answer
1
vote
183k
views
What were Tecumseh's reasons for proposing a Native American confederacy? a) Tecumseh believed a confederacy would encourage American Indians to work together. b) Tecumseh believed a confederacy could
asked
Sep 24, 2024
History
high-school
1
answer
3
votes
23.4k
views
What is the diameter of a hemisphere with a volume of 2507 in³, to the nearest tenth of an inch?
asked
Jul 12, 2024
Mathematics
high-school
2
answers
4
votes
41.9k
views
Financial efficiency measures how effective the business is in generating revenue from the production and management decisions. A. True B. False
asked
Jun 28, 2024
Business
high-school
1
answer
0
votes
82.6k
views
Write the slope-intercept equation of the line that passes through the points (1, −2) and (4, 4).
asked
May 19, 2024
Mathematics
college
1
answer
1
vote
225k
views
What AR describes the components of a unit AT and LDS program?
asked
Apr 14, 2024
Law
college
1
answer
0
votes
147k
views
Democratic theorists criticize the courts on the grounds that they are
asked
Feb 18, 2024
Law
college
1
answer
5
votes
224k
views
Lowering the levels of what substance is the primary target in preventing CHD?
asked
Jan 26, 2024
Health
high-school
1
answer
1
vote
159k
views
A secondary school has a population of 1500 students and 30 standard classrooms. Assuming a 5-day class week with solid waste pickups on Wednesday and Friday before class starts in the morning, determine
asked
Jan 3, 2024
Engineering
college
1
answer
5
votes
232k
views
Given the function f(x) = -x2 + 3c", then what is f(x) – 1 as a simplifiedpolynomial?
asked
Aug 14, 2023
Mathematics
college
1
answer
1
vote
117k
views
Find the value of x 50° 6 X Not drawn to scale
asked
Mar 13, 2023
Mathematics
high-school
1
answer
10
votes
88.6k
views
The perimeter of a rectangle with a length of 5 inches
asked
Feb 6, 2023
Mathematics
college
1
answer
16
votes
134k
views
1. What are the three "common characteristics” of model organisms?
asked
Dec 27, 2022
Biology
college
1
answer
3
votes
102k
views
What is the narrator relationship with dee
asked
Dec 24, 2022
English
college
1
answer
0
votes
65.6k
views
A Rock is determined to be 1.426 billion years old. How much uranium -235 remains in the rock?
asked
Dec 4, 2022
Chemistry
middle-school
2
answers
3
votes
220k
views
Why did Frederick Douglas have a better chance at escaping to freedom than other slaves?
asked
Nov 15, 2022
History
high-school
2
answers
3
votes
179k
views
Is it wrong to get my math teacher a box of bakery goods Or should I get her an actual present ?
asked
Jul 28, 2022
Health
high-school
1
answer
19
votes
84.7k
views
Which equations have no real solution but have two complex solutions? A 3x>2-5=-8 b 2x>2=6x-5 c 12x=9x>2 +4 d -x>2 - 10x =34
asked
Jul 13, 2022
Mathematics
high-school
1
answer
0
votes
68.0k
views
Can someone pleaseee find the answer key for this. Like website answer key. Plzz help
asked
Jun 3, 2022
History
high-school
1
answer
3
votes
127k
views
HELP!!!GIRLY NEEDS A MATHMATICIAN TO HELP ME pls
asked
May 19, 2022
Mathematics
college
1
answer
2
votes
184k
views
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