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Phosphoric acid, H3PO4, is tribasic with pKa values of 2.14, 6.86, and 12.4. The ionic form that predominates at pH 3.2 is: H3PO4 + H2O ⇌ H3O+ + H2PO4 - ⇌ H3O+ + HPO4 2- ⇌ H3O+ + PO4 3- The answer is H2PO4-
answered
Aug 24, 2024
Chemistry
high-school
4
votes
62.8k
views
Formal English please.
answered
Jul 29, 2024
English
high-school
3
votes
186k
views
CQ6: Suppose that a drought destroys many of the seeds, but both small and large seeds are still abundant. What kind of selection will act on the seedcracker population? Their beaks are adapted to break
answered
Jun 4, 2024
Biology
college
4
votes
95.2k
views
A uniform wire of resistance 100 Ω is melted and recasted into a wire of length twice that of the original. The resistance of the new wire is _____. A. 100 Ω B. 200 Ω C. 300 Ω D. 400 Ω
answered
May 19, 2024
Physics
high-school
4
votes
32.2k
views
Which statement is not true about glycolysis?It occurs outside of the mitochondrion.It occurs inside the mitochondrion.It is anaerobic.It produces 2 ATP.
answered
Dec 21, 2023
Biology
college
5
votes
159k
views
Which of the following is an insight based approach to therapy? A. Person centered B. Gestalt C. Psychodynamic D. All of the above
answered
Sep 4, 2023
Health
college
6
votes
97.5k
views
Your teacher wants you and your classmates to create new class rules about talking during a lesson. which type of democracy would work best Direct or Representative democracy?
answered
Jul 18, 2023
Law
high-school
6
votes
5.5k
views
DIVIDE. (4x4 - 8x3 + 4x - 8) / (4x - 8) I need to type the answer in a open ended question for a Edpuzzle
answered
Jul 12, 2023
Mathematics
high-school
9
votes
151k
views
Solve inequality -8x+4≤36.
answered
May 29, 2023
Mathematics
college
4
votes
5.4k
views
The price of a television is $567.31. The state sales tax rate is 8.3%. What is the total cost of the television?
answered
Dec 27, 2022
Mathematics
high-school
5
votes
28.9k
views
What's the slope and y-intercept of the equation 4x + 2y = 8? m = 2; b = 4 m = –2; b = 4 m = –2; b = –4 m = 2; b = –4
answered
Dec 24, 2022
Mathematics
college
3
votes
86.4k
views
Which effect of long-term environmental change is the driving force behind evolution?
answered
Nov 14, 2022
Chemistry
college
6
votes
1.9k
views
Can someone plz help me with this one problem!!!
answered
Oct 21, 2022
English
middle-school
8
votes
162k
views
What does it take to be classified as a rouge wave
answered
Oct 3, 2022
Physics
high-school
4
votes
123k
views
Help plssssssssss i need some help
answered
Jul 15, 2022
Mathematics
middle-school
8
votes
184k
views
Pls HELPPP IM CONFUSED ON THIS SINGLE QUESTIONNN PLS SHOW HOW TO SOLVE IT WITH UR ANSWER
answered
Jul 8, 2022
Mathematics
middle-school
5
votes
175k
views
PLEASE HELP PRONTO PLEASE Roots absorb the water they need for photosynthesis through tiny outgrowths called ______________
answered
Jun 28, 2022
Chemistry
high-school
4
votes
93.3k
views
Solve c - 19c Please help with this. I don't know if it is -18c or not
answered
Jun 27, 2022
Mathematics
high-school
12
votes
31.4k
views
1 Select the correct answer. The Mars Pathfinder mission was the first Discovery mission to send a rover to Mars. What was the name of this rover? OA. Sojourner OB. Curiosity ОС. Opportunity OD Spirit
answered
Mar 13, 2022
Geography
college
4
votes
11.4k
views
The outer layer of Earth is the? this is the that forms the surface
answered
Mar 13, 2022
Geography
college
4
votes
232k
views
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