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A 0.568-g sample of fertilizer contained nitrogen as ammonium sulfate, . It was analyzed for nitrogen by heating with sodium hydroxide. The ammonia was collected in 45.2 mL of 0.192 M (hydrochloric acid),
answered
Jul 14, 2021
Chemistry
college
5
votes
12.8k
views
Along which rivers did major agricultural societies emerge? Niger Amazon Genghis Nile Indus Yellow Tigris
answered
Jun 15, 2021
History
high-school
5
votes
15.3k
views
Did the Great Depression help cause world war 2
answered
Jun 14, 2021
History
middle-school
5
votes
119k
views
Find the slope of the line that passes through (72, 60) and (73, -5).
answered
Jun 3, 2021
Mathematics
middle-school
3
votes
116k
views
Resolver el siguiente sistema de ecuaciĆ³n:
answered
May 28, 2021
Mathematics
high-school
2
votes
123k
views
An arithmetic sequence has this recursive formula:
answered
May 19, 2021
Mathematics
college
7
votes
185k
views
What are the Five basic civil liberties guaranteed in the first amendment
answered
Apr 24, 2021
Social Studies
high-school
4
votes
47.6k
views
The data definition, as described in the data dictionary, tells users how each unit of data is defined in the database. Which of the following elements will be used to describe the data? Check All That
answered
Nov 14, 2020
Computers and Technology
high-school
3
votes
209k
views
Tell why the Roman Catholic Church was so powerful in medieval europe
answered
Aug 27, 2020
History
middle-school
2
votes
84.7k
views
Find the product: -3*(-12)
answered
Jul 11, 2020
Mathematics
middle-school
3
votes
184k
views
The slope of a line is 2/3 What is the slope of a line that is perpendicular to this line?
answered
Feb 18, 2020
Mathematics
middle-school
2
votes
106k
views
At Mark's Auto Center, a truck battery that was originally $170, is now on sale for 43% off. What is the sale price of the battery?
answered
Dec 16, 2019
Mathematics
high-school
5
votes
28.8k
views
Marvin earns $8.25 per hour at his summer job. He wants to buy a video game system that cost $206.25. Solve your equation to find the number of hours Marvin needs to work in order to afford the video game
answered
Nov 24, 2019
Mathematics
college
3
votes
113k
views
How are smooth and striated muscles similar?
answered
Oct 2, 2019
Biology
middle-school
5
votes
54.0k
views
Hydrogen peroxide, h2o2(aq), decomposes into water and oxygen. adding a small amount of fecl3(aq) increases the rate of gas evolution in this reaction. what is the best description of the role of fecl3?
answered
May 15, 2019
Chemistry
college
6
votes
101k
views
Large pool equipment sets cost $1,042. Small pool equipment sets cost$907. How much does it cost to buy 3 large pool equipment sets?
answered
Feb 11, 2019
Mathematics
middle-school
4
votes
119k
views
The Falkland Islands are an overseas territory of the United Kingdom that also is claimed by
answered
Dec 11, 2018
Social Studies
middle-school
2
votes
36.4k
views
What was prohibited under the twenty-fourth amendment?
answered
Sep 12, 2018
History
high-school
3
votes
156k
views
How can relationships between categorical data be displayed A) scatterplot B) residual plot C) table D) graph of linear regression model
answered
Jul 28, 2018
Mathematics
high-school
2
votes
15.1k
views
Enter the pair of fractions as a pair of fractions with a common denominator. 3\9 and 5\6 a pair of fractions with a common denominator are
answered
Jul 18, 2018
Mathematics
high-school
2
votes
114k
views
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