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The equation for the pH of a substance is pH = -log[H], where Ht iS the concentration of hydrogen ions. A basic solution has a pH of 11.2. An acidic solution has a pH of 2.4. What is the approximate difference
answered
May 12, 2022
Mathematics
college
7
votes
87.3k
views
You want to see how your new belt buckle matches your new hat. Your eyes are 114 mm below the top of the hat and 800 mm above the buckle. You walk up to your mirror and notice that the mirror is exactly
answered
May 2, 2022
Physics
college
8
votes
149k
views
Six less than 4 times a number
answered
Oct 10, 2021
Mathematics
high-school
3
votes
189k
views
Which of the Causes of World War 1 (Nationalism, Imperialism, Militarism, Alliances) do you believe to be the most significant and why (5-7 sentences minimum)?
answered
Sep 13, 2021
History
high-school
3
votes
164k
views
What is the difference between being overweight and being obese?
answered
Sep 1, 2021
Health
high-school
2
votes
132k
views
What were the circumstances that led Japan to become an "advancing civilization?
answered
Jul 19, 2021
History
high-school
0
votes
155k
views
Uranium is a mixture of kerosene, gasoline, asphalt and aviation fuel. *
answered
Jun 26, 2021
Chemistry
middle-school
3
votes
147k
views
What is the answer to the question?
answered
Jun 25, 2021
Mathematics
high-school
5
votes
114k
views
Hi what is the answer for this
answered
Jun 17, 2021
Mathematics
middle-school
5
votes
48.5k
views
9 3/5 times 3 1/2 equals
answered
Mar 26, 2021
Mathematics
middle-school
3
votes
75.5k
views
How do you pronounce number 11
answered
Feb 16, 2021
English
middle-school
4
votes
154k
views
How did colonists react to england actions
answered
Nov 29, 2020
History
middle-school
1
vote
75.8k
views
Pablo wants to enter the school science fair and has a list of ideas for a project. Which questions could he answer through scientific investigation? A. How many different species of fish live in Westbrook
answered
Mar 22, 2020
Biology
middle-school
3
votes
158k
views
How were the lives of Americans affected after the war ended? A) Americans increasingly opposed authority of the federal government. B) sectional differences led to further discussions of secession. C)
answered
Mar 20, 2020
History
middle-school
1
vote
234k
views
Explain how natural selection led to flu illness in patients, even though they received the flu shot.
answered
Sep 20, 2019
Biology
middle-school
7
votes
81.0k
views
__________ are seismic waves that pass through the earth's interior, spreading out from the focus in all directions.
answered
May 4, 2019
Physics
high-school
3
votes
92.3k
views
Which synonym for necessary most strongly suggests a life-saving need? A•Forced B•Obligated C•Required D•Vital
answered
Nov 18, 2018
English
middle-school
7
votes
116k
views
Please select the word from the list that best fits the definition Use of rich, colorful, precise language that moves and enlightens the reader
answered
Sep 16, 2018
English
middle-school
2
votes
147k
views
Which sentence from the introduction paragraph serves as the author's thesis? In the 1800s, the United States was still a very young nation, trying to solidify its identity. The Industrial Revolution began
answered
Jan 23, 2018
English
middle-school
2
votes
118k
views
Which sentence is written correctly in the subjunctive voice? If it weren't for the vacation time I earn, we would never get the house completed. If the house repairs were done, we are moving at the end
answered
Aug 8, 2017
English
high-school
6
votes
150k
views
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