Answers by Mdtuyen
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Answers by Mdtuyen

Answers by Mdtuyen
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Water's _____ property creates positive and negative ions, which are essential for chemical reactions.
answered Oct 16, 2018
7 votes
149k views
How many mole ratios can be correctly obtained from the chemical equation 2NO ® N2 + O2? Select one: a. 1 b. 4 c. 6 d. 3
answered Sep 17, 2018
2 votes
177k views
The compound, (nh4)2s, can be used in analysis for trace amounts of metals present in a sample. what is its name?
answered Jun 2, 2018
5 votes
16.9k views
If there is a large amount of lactose present, how does bacteria respond? A. the gene for beta-galactosidase turns off B. beta galactosidase production increases C. The gene for beta-galactosidase turns
answered Mar 27, 2018
3 votes
1.2k views
Marcello is constructing the perpendicular bisector of ab. he has already constructed arcs. what should marcello do for his next step?
answered Sep 17, 2017
4 votes
81.4k views
What is the value of the sum 5 + 10 + 15 + ... + 95 + 100? ...?
answered Apr 24, 2017
2 votes
168k views
225 is 75% of what number?
answered Apr 12, 2017
4 votes
140k views
Lyle can paint a room in 3 hours. Selena can paint a room with the same dimensions in 2 hours. If they work together, how many hours does it take them to paint the room? Round your answer to the nearest
answered Apr 10, 2017
6 votes
138k views
Which statement accurately describes the fall of the Aztec empire? A. The Aztec empire in the Caribbean islands was conquered by Christopher Columbus and indigenous soldier, who were called conquistadorses.
answered Feb 6, 2017
2 votes
96.3k views
Which statement best describes the impact of the discovery of gold on American Indian territory in the 1850s and 1870s? War broke out among American Indian groups when warring chiefs signed new treaties
answered Feb 23, 2016
4 votes
10.5k views
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