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Which reactions are oxidation-reduction reactions? Check all that apply. FeS(s) + 2HCl(aq) → H2S(g) + FeCl2(g) AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3 2C3H6(g) + 9O2(g) → 6CO2(g) + 6H2O(g) Fe2O3(s) + 3CO(g)
answered
Mar 20, 2019
Chemistry
high-school
5
votes
86.7k
views
In this problem, y = 1/(1 + c1e−x) is a one-parameter family of solutions of the first-order de y' = y − y2. find a solution of the first-order ivp consisting of this differential equation and the given
answered
Oct 10, 2018
Mathematics
college
5
votes
132k
views
Simplify 5x^2+3x-11/x+3 what is the quotient and reminder?
answered
Sep 11, 2018
Mathematics
high-school
3
votes
32.9k
views
Find the sum of a finite geometric series. Jimmy’s dad gave him $100 on his birthday, which is January 1. Jimmy deposited the $100 in his savings account the same day. At the beginning of every month thereafter,
answered
Aug 16, 2018
Mathematics
high-school
7
votes
126k
views
Sine: the trigonometric function that is equal to the ratio of the side opposite a given angle (in a right triangle) to the hypotenuse. What is the Sine of angle A? 3/4 4/3 3/5 4/5
answered
Jun 18, 2018
Mathematics
high-school
5
votes
229k
views
-8x15=__________________________
answered
May 2, 2018
Mathematics
middle-school
6
votes
192k
views
What term is used to describe an individual's money and personal property?
answered
Jan 14, 2018
Social Studies
high-school
2
votes
94.0k
views
Identification and magnification are two techniques of epideictic speech. a. True b. False
answered
Aug 18, 2017
English
high-school
6
votes
2.7k
views
Who became king of England toward the end of the French and Indian War in 1760?
answered
Oct 22, 2016
History
middle-school
6
votes
72.5k
views
British and the American armies fought for control of Breed’s Hill and Bunker Hill because the hills were a. good locations to fire cannons. b. the sites of British headquarters. c. places where troops
answered
May 9, 2015
History
high-school
5
votes
125k
views
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