Answers by Alex Vergara
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Answers by Alex Vergara

Answers by Alex Vergara
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A scientist prepared an aqueous solution of a 0.45 M weak acid. The pH of the solution was 2.72. What is the percentage ionization of the acid? 19% 0.42% 42% 0.19%
answered Mar 27, 2020
3 votes
44.3k views
Which of the following properly lists the metals in order from decreasing to increasing ease of oxidation? A. K < Cu < Cr < Ag B. Ag < Cr < Cu < K C. K < Cr < Cu < Ag D. Ag < Cu < Cr < K
answered May 21, 2019
7 votes
170k views
What is the difference between muscular strength and muscular endurance
answered May 14, 2019
4 votes
49.7k views
If f(x) = (5x^3 − 4)^4, then what is f '(x)? a. 20x^2(x^3 − 4)^3 b. 20x^8 c. 4(5x^3 − 4)^3(15x^2) d. 4(2x^3 − 4)^4
answered Feb 27, 2019
3 votes
203k views
Sleep deprivation had been found to ________ metabolic rate and ________ limbic brain responses to the mere sight of food.
answered Sep 28, 2018
4 votes
69.4k views
A spinner with 9 equal sections is numbered 1 through 9. The probability of spinning an even number is 49 . What is the probability of not spinning an even number? Enter your answer as a fraction, in simplest
answered Sep 18, 2018
3 votes
99.0k views
In the diagram, which angle is the angle of depression?
answered May 20, 2018
3 votes
172k views
Solve for the variable c in this equation a(c + b) = d a. c=d-ab/a b. c=ab-d/a c. c=d+ab/a d. c=d-ab\b
answered Mar 24, 2018
7 votes
152k views
Which is an important rule to remember in order to prevent electric shock? A. Always keep appliances plugged in, even when not in use. B. Pull out an electrical plug by the plug itself, not the cord. C.
answered Mar 2, 2018
3 votes
178k views
During an expedition, a scuba diver saw an animal use stinging tentacles to capture and eat its prey. Whatanimal did the diver see?
answered Sep 23, 2017
7 votes
210k views
Jeanne babysits for $6 per hour. She also works as a reading tutor for $10 per hour. She is only allowed to work 20 hours per week. This week, her goal is to make at least $75. A. Use a system of inequalities
answered Aug 25, 2017
5 votes
159k views
If Guy walks from his house to school and back, how far does he walk.
answered Aug 22, 2017
1 vote
169k views
Which was a cause of the French Revolution? Magna Carta dictatorship of Napoleon Bonaparte Stamp Act voting structure in the Estates-General
answered Jun 20, 2017
4 votes
28.7k views
Which of the following is not something a zoologist might do in his or her profession? a. help manage natural resources as the human population grows b. work in labs or be outdoors working with animals
answered Jun 11, 2017
4 votes
18.1k views
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