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How many liters of ammonia (NH3), at 3.2 atm and 23C, must be used to produce of 2.65 grams of calcium hydride (CaH2). 6 Ca(s) + 2 NH3 (g)--> 3 CaH2(s) + Ca3N2(g) *
answered
Jul 1, 2021
Chemistry
high-school
2
votes
23.1k
views
A population of bears increased by 50% in 4 years. If the situation is modeled by an annual growth rate compounded continuously, which formula could be used to find the annual rate according to the exponential
answered
Apr 7, 2021
Business
college
2
votes
39.9k
views
Use the table to determine the appropriate model of the function, x 0 1 2 3 4 f(x) 1 4 11 22
answered
Mar 10, 2021
Mathematics
middle-school
6
votes
102k
views
Current will travel along the path with the highest resistance. true or false
answered
Mar 7, 2021
Physics
middle-school
5
votes
188k
views
Convert 538.35 to scientific notation.
answered
Mar 5, 2021
Chemistry
high-school
6
votes
24.4k
views
How did geography influence the settlement of early africa.
answered
Sep 27, 2020
Geography
middle-school
0
votes
41.9k
views
The number of positive changes in the nucleus of an atom is equal to
answered
Sep 23, 2020
Chemistry
middle-school
4
votes
142k
views
What is a polygon? A. A geometric shape with three or more sides B. A circular geometric shape C. A piece of embroidered fabric D. A point on a Bezier curve Please select the best answer from the choices
answered
Aug 19, 2020
Mathematics
high-school
2
votes
60.5k
views
Graph y = x + 4. this is a khan academy question
answered
May 17, 2020
Mathematics
middle-school
5
votes
34.8k
views
Alex, Kenny, Chris, and Donna all live on the same street as their school, which runs from east to west. -Alex lives 5 5/10 blocks to the west -Kenny lives 4 5/20 blocks to the east -Chris lives 2 15/20
answered
Mar 21, 2020
Mathematics
high-school
2
votes
144k
views
Fermentation recycles NAD+. True False
answered
Dec 30, 2019
Biology
middle-school
6
votes
120k
views
Metallophones are A. chordophones. B. idiophones. C. membranophones. D. aerophones.
answered
Nov 6, 2019
Arts
high-school
4
votes
44.6k
views
PLEASE PLEASE PLEASE HELP ME WITH THESE! Or I WILL FAIL!! PLEASE
answered
Sep 8, 2019
Mathematics
middle-school
2
votes
124k
views
Factor completely. 20+72m Enter your answer in the boxes. The boxes are one empty, and another with parentheses. Please hurry!
answered
Oct 26, 2018
Mathematics
middle-school
5
votes
13.1k
views
Those who opposed hamilton's financial policies were northern merchants who believed in government by the wealthy and powerful a. True b. False
answered
Jul 29, 2018
History
high-school
5
votes
101k
views
Why might the use of conscription have been negatively viewed
answered
Jul 20, 2018
History
high-school
5
votes
3.8k
views
Two blocks of mass m1 = 8.0 kg and m3 = 6.3 kg, connected by a rod of mass m2 = 1.8 kg, are sitting on a very low-friction surface, and you push to the left on the right block (mass m1) with a constant
answered
May 7, 2018
Physics
college
4
votes
7.5k
views
Which potential use of drones has many americans alarmed??
answered
Apr 10, 2018
History
high-school
6
votes
118k
views
Find the linear approximation of the function f(x) = sqrt of (1 − x) at a = 0. Use L(x) to approximate the numbers sqrt of 0.9 and sqrt of 0.99.
answered
Sep 29, 2017
Mathematics
high-school
1
vote
197k
views
David is identifying the objects and people around him. Select the correct definite articles. _____ crayons et _____ livre dans _____ sac à dos sont nouveaux. Les, le, la, or l' for each.
answered
Feb 7, 2017
French
high-school
3
votes
50.5k
views
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