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Identify the reaction type shown and describe the clues that were used to identify it. NH4NO3 ? N2O + 2H2O
answered
Aug 5, 2020
Chemistry
high-school
1
vote
83.6k
views
Boron has an average mass of 10.81. One isotope of boron has a mass of 10.012938 and a relative abundance of 19.80 percent. The other isotope has a relative abundance of 80.20 percent. What is the mass
answered
Aug 3, 2020
Chemistry
middle-school
0
votes
140k
views
What might the continued burning of fossil fuels do for future gerenerations
answered
Mar 25, 2020
Biology
middle-school
7
votes
55.4k
views
name the element found in small amounts in the body that is needed to make hemoglobins for oxygen transport
answered
Mar 21, 2020
Biology
middle-school
6
votes
175k
views
The first element on the periodic table of elements is carbon. A. True B. False
answered
Mar 13, 2020
Chemistry
high-school
5
votes
187k
views
Gas costs $1.64 a gallon. Elaine spent $23.78 at the gas station.How many gallons of gas did she but?
answered
Nov 23, 2019
Mathematics
college
3
votes
159k
views
A 8.1-kg rock and a 8.4 × 10-4-kg pebble are held near the surface of the earth. (a) determine the magnitude of the gravitational force exerted on each by the earth. (b) calculate the magnitude of the
answered
Sep 7, 2019
Physics
college
3
votes
76.0k
views
Why does the author list the “varying cast of characters” in the passage above?
answered
Jun 14, 2019
English
high-school
4
votes
121k
views
Why did Japanese emperor authorize his military to bomb Pearl Harbor in the late 1941
answered
Mar 28, 2019
History
high-school
7
votes
130k
views
The concept of hydroboration was widely popularized by what chemist?
answered
Mar 12, 2019
Social Studies
college
2
votes
133k
views
Step 1: Choose a point on the line, such as (2, 5). Step 2: Choose another point on the line, such as (1, 3). Step 3: Count units to determine the slope ratio. The line runs 1 unit to the right and rises
answered
Oct 19, 2018
Mathematics
high-school
1
vote
226k
views
Please answer 14 and 13
answered
Mar 14, 2018
Mathematics
middle-school
3
votes
137k
views
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