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Answers by Valderann

Answers by Valderann
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8. Radioactive decay is accompanied by a change in the mass number, a change in the atomic number, a change in both, or a change in neither. For the following types of radioactive decay, which change(s)
answered Jan 24, 2020
4 votes
82.8k views
Consider the acid-base neutralization reaction H2S(aq) + CN‒(aq) ⇌ HS‒(aq) + HCN(aq) For H2S, pKa = 7.0, and for HCN, pKa = 9.4. Which of the following statements is FALSE? (a) H2S is a stronger acid than
answered Jan 19, 2020
2 votes
218k views
Identify the choice that best describes the sentence. Galileo the first astronomer to use a telescope, confirmed the theory that the earth and planets circle the sun. A- Simple. B- Compound. C- Complex.
answered Oct 14, 2019
4 votes
12.1k views
A 50 foot flag pole is at the entrance of a building that is 300 feet tall. If the length of the flagpoles shadow is 30 feet at a certain time if day, how long is the buildings shadow at the time ?
answered Sep 22, 2019
4 votes
150k views
Why would leaders in Iran want to limit American cultural infusion? american corporations would become to powerful Iran is to poor to support a great american cultural infusion. american ideas conflict
answered Aug 30, 2019
5 votes
109k views
What does it mean to synthesize information? A. to review data for credibility of its sources B. to evaluate data for the objectivity of its sources C. to incorporate data from several sources D. to isolate
answered Aug 8, 2019
1 vote
151k views
Which of the following is a disadvantage of using biopower? A. It requires mass production of crops. B. It is readily available in most places. C. It produces net-zero emissions. D. It is biodegradable
answered Jun 13, 2019
4 votes
20.0k views
Question 2(Multiple Choice Worth 1 points) El profesor no puso ___________ en la mochila. nada nadie nunca
answered May 7, 2018
2 votes
11.5k views
What is a distinguishing characteristic of a shakespearean sonnet? lack of any rhyme structure the rhyme scheme abab cdcd efef gg two quatrains followed by two couplets uniformity ofsentence structure?
answered Apr 19, 2018
5 votes
126k views
The orbital radius of Venus is 0.72 AU. What is this distance in kilometers
answered Feb 26, 2018
6 votes
169k views
"The Glass of Milk" is what type of structure?
answered Feb 12, 2018
6 votes
59.0k views
Between 1830 and 1850, immigrants who moved to American cities often faced dangerous and crowded living conditions. earned high wages as skilled laborers in factories. worked in service jobs as police
answered Jul 1, 2017
2 votes
63.9k views
identify the postulate or theorem that proves the triangles congruent. AAS, SAA, ASA, The triangles cannot be proven congruent
answered May 4, 2017
6 votes
159k views
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