Answers by RobJohnson
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Answers by RobJohnson

Answers by RobJohnson
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If the incoming photon had a frequency of 2.0 E14 Hz, would you have a photo-electron ejected?
answered Jan 23, 2019
2 votes
194k views
The sentence Dad brought presents for her and me is grammatically correct. True False
answered Dec 29, 2018
3 votes
188k views
What is the largest sector of the u.s. labor force.?
answered Aug 7, 2018
3 votes
45.6k views
T.J. has a fitness goal to increase his cardiovascular fitness level. Based on training principles, what should T.J. do to work toward that goal?
answered Apr 22, 2018
3 votes
81.7k views
Triangle ABC has vertices at A(4, 7) , B(13, 7) , and C(9, 11) . Triangle FGH has vertices at F(1, 1) , G(10, 1) , and H(6, 5) . Which sequence of transformations shows that triangle ABC and triangle FGH
answered Apr 21, 2018
5 votes
204k views
What is the number of moles of gas contained in a 3 L vessel at 300 K with a pressure of 1.50 atm? (Given: R = 0.08205 L∙atm/mol∙K)
answered Mar 22, 2018
2 votes
190k views
An increase in the biodiversity of an ecosystem leads to an increase in its productivity T or F
answered Mar 18, 2018
3 votes
160k views
Phosphorus has three unpaired electrons and hydrogen has one unpaired electron this means that_____ equivalents of hydrogen can react with ______ equivalents of phosphorus.
answered Feb 27, 2018
4 votes
157k views
Grapes were priced at 3 pounds for$5.28 what was the priced per pound
answered Jan 8, 2018
2 votes
28.2k views
Which shows a way to take a part 8?
answered Nov 12, 2017
2 votes
197k views
Which element has atoms that can bond with each other to form long chains or rings? (1) carbon (3) oxygen (2) nitrogen (4) fluorine
answered Jul 23, 2017
6 votes
107k views
What temperature is required to transfer waste heat to the environment for a heat engine to be 100 percent efficient?
answered Jul 16, 2017
6 votes
81.0k views
All women love chocolate. Which type of statement is the above sentence? A. a fact B. a generalization C. a euphemism D. connotation
answered Jan 12, 2017
1 vote
185k views
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