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What is the difference between an exothermic and an endothermic reaction? A. Endothermic reactions absorb heat. B. Exothermic reactions absorb heat. C. There are no changes in heat during either reaction.
answered Jan 19, 2022
3 votes
65.9k views
In New York City the average hotel room costs $204 per night, with a standard deviation of $55. Suppose that you walk into a random hotel and learn their rate is $155 per night. If the rates are normally
answered Jan 2, 2022
5 votes
77.0k views
Which statement is NOT true? * A. Every integer is a real number. B Every counting number is an integer C Every integer is a rational number D Every decimal number is an irrational number.
answered Nov 28, 2021
2 votes
4.0k views
1. The function of lenses is based on the law of refraction. A light beam is traveling from the medium 1 where its speed is V1, to the medium 2 where its speed is V2 = 0.8 V1. a) If the first medium is
answered Oct 26, 2021
7 votes
171k views
What is the volume of the item described? A capsule consisting of a cylinder of radius 3 mm and height 6 mm with a hemisphere on each end of radius 3 mm. Select the exact answer in terms of ​ π ​ and the
answered Sep 8, 2021
0 votes
64.7k views
What is the slope of a line y=7.8x+62
answered Sep 7, 2021
7 votes
199k views
In a test of a new UV-curable polymeric material (with thermal conductivity 0.15 W/(m K)) for dental prostheses, a 2.8 mm thick slab is subjected to monochromatic light with wavelength 313 nm, which is
answered Aug 12, 2021
4 votes
189k views
What is Jefferson saying lhe does not like about the Constitution in this quote?
answered Jul 12, 2021
2 votes
221k views
True or false 1) Isaac Newton discovered the Universal Law of Gravitation by using experiments. 2) Because of his discovery, people began to think of the universe as a giant clock. 3) Enlightened thinkers
answered Apr 28, 2021
3 votes
87.5k views
2+2+18x15+1 what is the answer?
answered Apr 20, 2021
4 votes
29.1k views
Read this sentence from the article: "This was despite the fact that experts who had studied photographs insisted that Anna and Anastasia were either one and the same or identical twins." Which statement
answered Mar 2, 2021
6 votes
208k views
Solve: 2x - 10 / 4 = 3x
answered Feb 3, 2021
5 votes
76.8k views
Can someone help me on this please?
answered Jan 27, 2021
4 votes
201k views
What is the relationship between the period and the orbital radius? Select one: a. It is a direct relationship- As the period increases the orbital radius also increases. b. It is an inverse relationship-
answered Jan 21, 2021
7 votes
160k views
Today, Jennifer earns $50000 at her first job. Her mom used to make $15,000 at her first job in 1975. Jennifer is of the opinion that she makes more than her mom would have made if she started working
answered Jul 11, 2020
6 votes
115k views
What is the value of d
answered Jun 25, 2020
1 vote
30.3k views
Hello, help me please. Radio one is organizing a radio show on jobs for teens. Leave a one-minute message about your experiences and your plans. >To start ,introduce yourself(greetings,name,age,from...
answered May 24, 2020
5 votes
85.7k views
Which statements about the early life of Jesus are true
answered May 9, 2020
0 votes
122k views
Do you think climate change is affecting our seasons? Why or why not? Share the links you found that support your theory.
answered May 5, 2020
3 votes
112k views
Help with homework please? Not asking for answers, but want to learn how to do these. Simplify the sum or difference, 3√7-√63 -6√10 + 5√90 Simplify the product. √6(√2+√3) 3√7(1-√7) (√6+√3)(√2-2) Simplify
answered Nov 23, 2019
4 votes
110k views
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