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A 2.0-liter volume of hydrogen gas combined with 1.0 liter of oxygen gas to produce 2.0 liters of water vapor. Does oxygen udergo a chemical or Physical change?
asked
May 4, 2020
Chemistry
college
1
answer
3
votes
28.5k
views
The Shang Dynasty followed which dynasty?
asked
Apr 19, 2020
History
middle-school
2
answers
5
votes
170k
views
Technician A says most shops use a spray wash cabinet to degrease their engine blocks. Technician B says some shops dip their major engine parts in a hot or cold caustic solution for deeper cleaning. Who
asked
Oct 25, 2019
Advanced Placement (AP)
high-school
2
answers
1
vote
158k
views
The function g(x)=3x^2-12x+7 written in vertex form is g(x)=3(x-2)^2-5. What is the vertex of g(x)
asked
Aug 12, 2019
Mathematics
middle-school
1
answer
5
votes
75.6k
views
Simplify 4 to the seventh power over 5 squared all raised to the third power.
asked
Jun 7, 2019
Mathematics
high-school
2
answers
2
votes
160k
views
given that 1 is a zero of p(x)=3x^4-x^3-8x^2+2x+4, factor the polynomial completely, and then list all its zeros.
asked
May 9, 2019
Mathematics
college
1
answer
1
vote
40.9k
views
Stewart has a home-based business putting on children’s parties. He charges $60 to design the party and then $6.00 per child. Write a function rule that relates the total cost of the party to the number
asked
May 3, 2019
Mathematics
college
2
answers
4
votes
153k
views
Items granted by the government to protect intellectual property rights select all that may apply
asked
Feb 12, 2019
History
middle-school
1
answer
5
votes
62.7k
views
Modern Indo-Aryan languages are based on which ancient language? A. Latin B. Dravidian C. Sanskrit D. Tibetan
asked
Nov 18, 2018
History
high-school
2
answers
1
vote
193k
views
Which calcium compound is not appreciably more soluble in 0.1 m hydrochloric acid than it is in pure water?
asked
May 26, 2018
Chemistry
high-school
1
answer
4
votes
86.3k
views
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