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Answers by Stefana

Answers by Stefana
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Does canada have tariffs on us steel and aluminum
answered Oct 18, 2019
6 votes
232k views
Can you help me round this
answered Sep 7, 2019
2 votes
60.8k views
A student added 5.350 g of ammonium chloride to 100.00 cm3 of water. the initial temperature of the water was 25.55℃ but it decreased to 21.79℃. calculate the enthalpy change that would occur when 1 mol
answered Jul 12, 2019
0 votes
45.6k views
What is the length of line segment PQ? 4 units 5 units 6 units 9 units
answered Jun 27, 2019
4 votes
160k views
Simplify: 20.56 - 3.5 + 8.043
answered Feb 16, 2019
5 votes
26.7k views
The president of the United States cannot declare war on a country without the approval of Congress. Which concept of government does this illustrate?
answered Dec 28, 2018
0 votes
6.5k views
Experts in the field of substance abuse were asked about the relative addictiveness of various drugs. at the top of the list, as most addictive, was
answered Dec 2, 2018
7 votes
30.8k views
What's unique about this graph
answered Nov 12, 2018
3 votes
104k views
The main energy source used by humans has changed over time from A. fossil fuels to solar. B. wood to wind. C. wood to fossil fuels. D. fossil fuels to nuclear.
answered Jul 2, 2018
5 votes
9.4k views
How many total numbers atoms are in co2??
answered Apr 26, 2018
3 votes
84.7k views
Why do ionic compounds tend to have higher boiling and melting points than molecular compound
answered May 31, 2017
1 vote
185k views
Solve for a. c = 8 π a b c/8 π b=a 8 π b c = a c/8=a c/8 π =a
answered May 19, 2017
4 votes
224k views
how to solve 0.01x+0.07y=0.22 and 0.03x-0.05y=0.14 by substitution
answered Aug 26, 2015
3 votes
103k views
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