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Briefly describe how a potentiometric pHmeter works. (Hint: Describe how the pH meter measures the amount of H+ or OH- ions in a sample) ii. Describe how an organic pH indicator works. (illustrate using
answered Feb 14, 2021
3 votes
221k views
Each bucket holds 423 gallons of water. If it takes 8 buckets to fill a tank, how much water does the tank hold?
answered Feb 5, 2021
4 votes
112k views
3.8 = 13 − 2b solve for b
answered Nov 11, 2020
5 votes
129k views
Two hikers are walking along the Appalachian Trail. The first hiker is 2 miles ahead of the second hiker. Both hikers are traveling in the same direction at the same speed, 1 mile per hour. Let x represent
answered Jun 16, 2020
4 votes
38.5k views
Which of the following equations is the result of cross multiplying the given proportion? (3)/(k+3)=(8)/(k-2) 3k - 2 = 8k + 3 3k - 6 = 8k + 11 3k - 6 = 8k + 24
answered Jun 6, 2020
3 votes
231k views
Help please C) Both the mean and median will increase, but the mean will increase by more than the median D) Both the mean and median will increase, but the median will increase by more than the mean
answered Jan 12, 2020
3 votes
162k views
How fast is a wave moving if it had a frequency of 35hz and there are 6 meters between crests?
answered Dec 26, 2019
6 votes
8.5k views
it is given that ln(y+1) - ln(y) = 1+3ln(x) . express y in terms of x in a form not involving logarithms
answered Oct 18, 2019
1 vote
38.9k views
What is 8 3/4% expressed as a fraction? 8/100 7/80 7/40 8/25
answered Aug 30, 2019
0 votes
131k views
Calculate the number of nitrogen atoms in 240 g of ammonium nitrate?
answered Jul 22, 2019
5 votes
60.3k views
Anne, age 5, is playing with two other 5-year-old girls while their mothers sit in another room chatting. according to mead's classification, anne would be considered a ______ child.
answered Mar 31, 2019
3 votes
220k views
Which of the following sets shows all the numbers from the set {2, 3, 4, 5} that are part of the solution to the inequality 4n + 6 > 22?
answered Mar 14, 2019
5 votes
122k views
Constantinoples name was changed to after the ottomans defeated it in 1453
answered Jul 20, 2018
3 votes
224k views
Which sentence shows the correct placement of punctuation? “This is the best collection of antique motorcycles I’ve ever seen,” said Michelle. “This is the best collection of antique motorcycles I’ve ever
answered Jun 16, 2018
4 votes
95.5k views
If it is noon Pacific Time, what time is it in Boston?
answered May 25, 2018
3 votes
46.9k views
Saturn is known for having the most extensive ______ in the solar system.
answered May 16, 2018
0 votes
7.0k views
What causes sweating during running in order to maintain homeostasis? Jenny is running for more than an hour on a pleasant sunny morning. Her body is sweating to maintain homeostasis, which is caused by
answered Mar 28, 2018
3 votes
78.9k views
Is AB parallel to CD ? Explain. A).Yes, because both lines have a slope of . B).Yes, because both lines have a slope of . C).No, because the slopes of the lines are not equal. D).No, because the slopes
answered Feb 3, 2018
4 votes
107k views
The purpose of executive order 9981, issued by president Harry Truman, was to
answered Oct 17, 2017
2 votes
128k views
In Spanish when you use a negative word after a verb, you need to add _____ before the verb
answered Apr 29, 2017
2 votes
14.2k views
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