Answers by Igor Zelmanovich
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Answers by Igor Zelmanovich

Answers by Igor Zelmanovich
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What is the entropy change for freezing 2.71 g of C2H5OH at 158.7 K? ∆H = −4600 J/mol. Answer in units of J/K.
answered Jun 8, 2020
4 votes
84.6k views
After reading "The Lady, or the Tiger,” a reader might conclude that the princess chooses the tiger, because
answered May 4, 2020
4 votes
49.9k views
How do the benefits of natural change to ecosystems compare to the disadvantages? a. The benefits are outweighed by the disadvantages. b. The benefits outweigh the disadvantages. c. The benefits are equal
answered Dec 27, 2019
3 votes
77.5k views
What organelle converts the chemical energy stored in food into compounds that are more convenient for the cell to use?
answered Dec 11, 2019
3 votes
148k views
Find the trig functions of angle theta if tan theta = 5/12 and sin theta < 0
answered Oct 5, 2019
0 votes
165k views
Convert 52.68 feet per hour to inches per minute using dimensional analysis
answered Sep 30, 2019
1 vote
101k views
Given cos x = 0.5162, find the degree measure of x. Round your answer to the nearest tenth.
answered Jun 23, 2019
5 votes
132k views
If 2 3 of the 12 jelly beans were eaten, how many were eaten?
answered Feb 21, 2019
6 votes
191k views
Which of the following settings best create fear or anxiety? Falling snow Sunrise Open fields Decaying trees
answered Dec 17, 2018
1 vote
28.1k views
Four gallons of gasoline cost $16.80. What is the price of gasoline in terms of gallon per dollar
answered Oct 21, 2018
4 votes
150k views
You may have noticed that when water boils you can see the bubbles that rise to the surface of the water.. what is inside these bubbles?
answered Sep 25, 2018
6 votes
63.8k views
When ausculting the heart, which valves are heard best on the left side of the chest?
answered Aug 13, 2018
7 votes
138k views
The man responsible for discovering that the atom is mostly space is:
answered Apr 24, 2018
6 votes
130k views
Alejandra measures the mass of a cup of baking soda three times. Her measurements all exactly reflect the actual mass of the baking soda. If each measurement in a set of data has a high level of accuracy,
answered Mar 24, 2018
1 vote
2.8k views
Mrs. Barlow's math class took a test yesterday. Out of 60 students, 70% of them passed. How many of Mrs. Barlow's students passed the test?
answered Mar 24, 2018
5 votes
157k views
What is the definition of rural
answered Jan 4, 2018
5 votes
95.5k views
My teacher did not teacher it
answered Jul 31, 2017
7 votes
159k views
Do you think interest groups are good or bad for politics? Why or why not?
answered Mar 17, 2017
0 votes
170k views
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