Answers by Rafael
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Answers by Rafael

Answers by Rafael
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108J of work was done on a closed system,during this phase of the experiment,79J of heat energy was added to the system. what was the total change in the internal energy of the system.
answered Feb 29, 2020
6 votes
160k views
According to Aristotle, poetry is a form of _____. catharsis poetry anagnorisis mimesis
answered Jan 19, 2020
5 votes
45.5k views
a cat and dog shelter houses 23 animals there are 5 more cats x and dogs y write and solve a system of linear equations to find the number to cats and dogs in the shelter
answered Oct 27, 2019
6 votes
148k views
Which of the following is an accurate statement about vectors? It is possible to add a scalar quantity to a vector. If two vectors have unequal magnitudes, it is possible that their vector sum is zero.
answered Sep 10, 2019
3 votes
62.2k views
Find the area of the trapezoid to the nearest tenth.
answered Apr 26, 2019
7 votes
74.6k views
The use of the internet, e-mail, and other electronic communication technologies to bully another person is known as:
answered Apr 9, 2019
6 votes
36.4k views
What is s the percent yield of ferrous sulfide if the actual yield is 220.0 g and the theoretical yield is 275.6 g
answered Mar 2, 2019
5 votes
196k views
Excerpt from: Building Green Elizabeth Kibler One of the biggest impacts a building has on Earth is the energy it uses. Currently, most of the world’s energy comes from burning fossil fuels. These fuels
answered Oct 15, 2018
3 votes
40.3k views
Simplify the difference. (3w2 – 5w – 6) – (6w2 + 4w – 2) 9w2 + 9w + 4 9w2 – 1w – 8 –3w2 – 1w – 8 –3w2 – 9w – 4
answered Jul 10, 2018
3 votes
219k views
Explain how creating a model provides a practical solution for some scientific research
answered May 20, 2018
4 votes
62.8k views
What is the following sum? 4√5+2√5 a. 6√10 b. 8√10 c. 6√5 d. 8√5
answered May 4, 2018
3 votes
130k views
How long ago was 1978 ad from now?
answered Apr 12, 2018
6 votes
61.6k views
How would the inability to make saliva affect digestion?
answered Mar 31, 2018
4 votes
50.9k views
Realizati o lista de atribute ale relatiei dintre copii si parinti
answered Dec 1, 2017
2 votes
134k views
What is the period of the sinusoid given by y=-4 sin(2 pi/3 x)?
answered Nov 28, 2017
4 votes
115k views
People who believed in manifest destiny were known as
answered Jun 4, 2017
4 votes
57.1k views
How did the physical geography of Greece affect its development and political structure
answered Jan 22, 2017
5 votes
181k views
What is the solution set for x in log4(x+5)+log4x=log4 14
answered Sep 18, 2016
5 votes
138k views
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