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What happens in a buffer when the level of H+ ions in solution increases? a it accepts OH- ions b it accepts H+ ions c it donates H+ ions d it destroys OH- ions
asked
Jan 26, 2020
Biology
high-school
1
answer
5
votes
157k
views
Which equation has the graph that is a parabola with a vertex at 5,3
asked
Oct 20, 2019
Mathematics
high-school
1
answer
5
votes
134k
views
How can i find values if h(-4) h(x)=1/2x-1???
asked
Oct 17, 2019
Mathematics
middle-school
1
answer
5
votes
186k
views
Link runs through a village each day on his way to adventure. He runs past one house every 4 seconds and each house is 28 feet long. What is the rate, it feet per second, at which Link runs?
asked
Sep 7, 2019
Mathematics
middle-school
2
answers
2
votes
42.7k
views
"the fundamental nuclear reaction occurring in the core of the sun is ________.
asked
Jun 21, 2019
Chemistry
high-school
1
answer
4
votes
141k
views
Explain why and how theories may be changed or replaced over time.
asked
May 6, 2019
Chemistry
middle-school
2
answers
3
votes
129k
views
How did lincoln's war aims evolved between 1861 and 1863?
asked
Dec 18, 2018
History
high-school
1
answer
3
votes
40.0k
views
Plzz help only if u know the answer!!! Which of the following is an example of a constructivist model that's based on Piaget's stages of development? A. Head Start B. Montessori C. Bank Street D. High/Scope
asked
Aug 15, 2018
Advanced Placement (AP)
high-school
1
answer
1
vote
61.4k
views
Your class sells a box of oranges to raise $500 for a field trip.You earn $6.25 for each box of oranges sold.Write and solve an inequality that represents the number of boxes your class must sell to meet
asked
Jan 18, 2018
Mathematics
high-school
2
answers
3
votes
161k
views
Forces that are equal in size but opposite in direction are ____.
asked
Dec 28, 2017
Physics
high-school
2
answers
0
votes
23.0k
views
The coffee-room had no other occupant, that forenoon, than the gentleman in brown. His breakfast-table was drawn before the fire, and as he sat, with its light shining on him, waiting for the meal, he
asked
Dec 19, 2017
English
high-school
1
answer
3
votes
110k
views
Aunt Alexandra shares a smile with Miss Maudie at the missionary circle because _____. she appreciates Miss Maudie's defense of Atticus she is trying to cover her embarrassment she feels sorry for Miss
asked
Oct 1, 2017
English
high-school
2
answers
1
vote
214k
views
The author who used his experiences of the gold rush in California and Alaska in his sometimes grim short stories and novels. A. Ernesto Galarza B. Manuel Rojas C. Langston Hughes D. Jack London
asked
Jul 14, 2017
Biology
high-school
1
answer
1
vote
89.7k
views
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