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Answers by Yesman

Answers by Yesman
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The chemical reaction that causes chromium to corrode in air is given by 4Cr+3O2→2Cr2O3 in which at 298 K ΔH∘rxn = −2256 kJ ΔS∘rxn = −549.1 J/K Part A What is the standard Gibbs free energy for this reaction?
answered Aug 7, 2021
7 votes
67.1k views
Na-23 has 12 neutrons.what is its atomic number? A.11 B.12 C.23 D.34
answered Jul 7, 2021
2 votes
205k views
A line graph titled Number of Private Banks in England and Wales. The x-axis is labeled from 1780 to 1830 by decade. The y-axis is labeled Number of Banks from 0 to 700. 1780 had 100 banks. 1790 had over
answered Jun 25, 2021
2 votes
22.0k views
How did Thomas Paine contribute to the American Revolution? A. He formed the social contract theory, which encouraged that failed governments be overthrown. B. He developed a new political system in which
answered Apr 22, 2021
1 vote
105k views
The source of water for the Great Lakes was _______, which played a major role in forming the lakes during Earth's recent geologic past. if you help me you get a cookie ;)
answered Feb 22, 2021
7 votes
220k views
A microwave oven operates at a frequency of 2.5 GHz (Giga-Hertz). What is the period of this frequency? 2.5 GHz = 2,500,000,000 Hz
answered Jan 21, 2021
4 votes
607 views
How did the ratio of voter registration rates change between african americans and whites as a result of the voting rights act of 1965?
answered Oct 27, 2020
5 votes
134k views
Using this table, calculate the profit at each level of bicycle production. One bike: - $ Two bikes: $ Three bikes: $ Four bikes: $ Five bikes: $ Six bikes: $ Seven bikes: $
answered Oct 6, 2020
7 votes
167k views
1/2a+b+2x=1/2a+1/b+1/2x
answered May 2, 2020
3 votes
144k views
I don’t think I’m doing the top correctly. Could you help 7-10?
answered Apr 9, 2020
4 votes
40.5k views
Fireman A climbs up 15 rungs of a ladder in 5 seconds, Fireman B climbs up 12 rungs of a ladder in 6 seconds, and Fireman C climbs up 14 rungs of a ladder in 7 seconds. Which firemen climb the ladder at
answered Mar 19, 2020
4 votes
138k views
Motor Sales sold its old office furniture for​ $6,000. The original cost was​ $16,000, and at the time of​ sale, accumulated depreciation was​ $14,000. What is the effect of this​ transaction?
answered Mar 14, 2020
3 votes
114k views
Read this passage. Halley's Comet is what's called a periodic comet. That's because it returns to the area around Earth once every seventy-five years. Halley's Comet last appeared in 1986. The next time
answered Feb 21, 2020
1 vote
235k views
Which of the following characteristics give the song a poetic quality? Check all of the boxes that are correct. The rhyming of words The absence of music The repetition of words and phrases The use of
answered Jan 1, 2020
3 votes
164k views
Which agency assists owners of America's private land with conserving their soil, water, and other natural resources?
answered Jan 31, 2019
6 votes
192k views
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