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(a) Calculate the Bohr radius of an electron in the n = 3 orbit of a hydrogen atom. (b) What is the energy (in J) of the atom in part (a)? (c) What is the energy of an Li²⁺ ion when its electron is in
answered
Mar 12, 2021
Chemistry
college
4
votes
199k
views
Jeanne makes hair bows to sell at the craft fair. Each bow requires 1.5 yards of ribbon. At the fabric store, ribbon is sold by the foot. A. If Jeanne wants to make 84 bows, how many feet of ribbon must
answered
Feb 24, 2021
Mathematics
college
5
votes
200k
views
What might King Hammurabi have wanted to promote in society?
answered
Jan 26, 2021
Social Studies
college
2
votes
40.6k
views
A national pet food company wants to create a new pet food for the "most popular pet in America." Which of the following would be the BEST way to accurately determine whether this pet is the dog or cat?
answered
Jan 18, 2021
Social Studies
high-school
7
votes
16.3k
views
Which of the following best describes the proper use of a "Works Cited" page? a A Works Cited page is not needed if you paraphrase your research. b A Works Cited page is not needed if you use signal phrases.
answered
Jan 7, 2021
English
college
6
votes
131k
views
Please help! 30 points ((:
answered
Nov 30, 2020
Mathematics
middle-school
4
votes
113k
views
When you ask a friend how she is, she responds by saying, "I’m fine," but you can tell by her expression and her tone that she is not fine. This part of the listening process is called ______.
answered
Oct 30, 2020
English
high-school
3
votes
78.7k
views
What did Betty Friedan want for women?
answered
Oct 4, 2020
History
middle-school
4
votes
223k
views
2 to the power of 5(5−6)+9÷3
answered
Jun 9, 2020
Mathematics
middle-school
2
votes
121k
views
What sort of trial shall not be jury in the US a. impeachment b. treason c. sedition d. murder
answered
May 16, 2020
History
middle-school
5
votes
225k
views
How did the british relationship to india change after the sepoy rebellion? a. the british ended the rule of the east india company and the british crown ruled india. b. the british attempted to better
answered
Dec 11, 2019
History
high-school
5
votes
208k
views
In light of his training and the expectations of his superiors, why was Las Casas taking a very risky stand in supporting the American Indians?
answered
Nov 8, 2019
History
high-school
6
votes
26.2k
views
Find the greatest common factor: 9a3bc2 + 12ac4 + 15a2b3c 3abc 15a3b3c4 3ac 9a2b2c2
answered
Apr 28, 2019
Mathematics
middle-school
2
votes
12.5k
views
Which ratios would indicate linkage and not independent assortment? Check all that apply. A) 8:8:0: 0 B) 9:3:3:1 C) 12:2:2:1
answered
Apr 17, 2019
Biology
high-school
6
votes
196k
views
For a function p(x)= x^2-9, what is the inverse function for the domain [0, infinity\
answered
Jan 12, 2019
Mathematics
high-school
3
votes
90.2k
views
Unit rate of 54.00 dollars for 3 tickets
answered
Nov 26, 2018
Mathematics
high-school
4
votes
106k
views
Pam kept track of the puppies available for adoption at the shelter. After 2 hours, there were 10 puppies available for adoption. After 3 hours, there were 8 puppies available for adoption. How many puppies
answered
May 20, 2018
Mathematics
middle-school
5
votes
132k
views
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