Questions by Aleksejjj

Questions by Aleksejjj

Which pH change represents a hundredfold increase in the concentration of H30+? A) pH 3 to pH 2 (b) pH 7 to pH 9 (c) pH 5 to pH 3 (d) pH 13 to pH 14

asked Aug 5, 2020

1 answer

2 votes

56.7k views

Calculate how much each of the following items is worth in terms of today's dollars using 180 as the price index for today. A. In 1925, the CPI was 18 and the price of a movie ticket was $0.30. B. In 1930,

asked Jul 22, 2020

1 answer

5 votes

81.9k views

Imagine that you’re facing a situation where you must choose between two options. How do you make your decision? What methods do you use to weigh the two options before making your choice?

asked Jul 9, 2020

2 answers

3 votes

221k views

When a 4-μf capacitor has a potential drop of 20 v across its plates, how much electric potential energy is stored in this capacitor?

asked Apr 13, 2019

1 answer

1 vote

45.9k views

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