Answers by Sparko Sol
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Answers by Sparko Sol

Answers by Sparko Sol
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3 (n - 5) - (6 -2n) = 4n
answered Sep 27, 2021
3 votes
150k views
An electrom in the hydrogen atom makes a transition from amenergy state of principal quantum numbers ni to the n=2state. If the photon emitted has a wave length of 434nm, what isthe value of ni?
answered Aug 7, 2021
5 votes
57.4k views
What was the role of the Protestant Reformation in the growth of the Scientific Revolution? A. It weakened the power of the Catholic Church in Europe. B. It focused on the welfare of humanity in society.
answered Jul 17, 2021
5 votes
200k views
2/9x4/2=what. solve the equation
answered Apr 15, 2021
2 votes
52.6k views
What is the halflife of a radioisotope if a 20-g sample becomes 10g after 16 hours
answered Apr 14, 2021
4 votes
210k views
If 7x=9y, y/z = 7/5 , then x/z = (A) 2/7 (B) 7/9 (C) 9/5 (D) 9/7 (E) 5/9
answered Jan 3, 2021
1 vote
170k views
Convert 3.2 grams to milligrams. 0.0032 mg 32 mg 320 mg 3,200 mg
answered Dec 23, 2020
4 votes
220k views
How many angle degrees does a minute hand travel in 1 minute? What angle does an hour hand travel in 1 min?
answered Jun 26, 2020
6 votes
43.6k views
I need help please help me
answered Feb 5, 2020
4 votes
6.1k views
This contains a _____ that consists of three subatomic particles.
answered Jan 20, 2020
1 vote
120k views
All of the following was true about African American soldiers in the Civil War EXCEPT? A. it led the Union assault on Fort Wagner in Charleston, South Carolina B.it was led by an African American officer
answered Oct 27, 2019
0 votes
34.7k views
A consumer group invests in a national campaign touting the health advantages of eating chicken. Which of the following statements best identifies a potential negative externality? Cattle ranchers lose
answered Jul 3, 2019
3 votes
199k views
Which are examples of dynamic equilibrium? Check all that apply. A cooking pot left under a dripping faucet eventually fills with water and overflows. A person's bank account balance remains constant because
answered Apr 9, 2019
6 votes
67.0k views
From which type of organism did the ancestor of land plants likely evolve
answered Mar 21, 2019
0 votes
150k views
Unreliable narrators are startling because, generally readers expect the storyteller to be _____. a) the author b) authoritative c) intelligent d) cautious
answered Dec 15, 2018
0 votes
122k views
Please help with #'s 7 and 8
answered Jul 26, 2018
1 vote
70.1k views
Most school systems rely on _____ for most of their funding. A) property taxes B) sales taxes C) income taxes D) lotteries
answered Jun 9, 2018
3 votes
8.8k views
How is nonfiction different from fiction?
answered Mar 17, 2018
5 votes
42.8k views
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