Answers by Bohdan Petrenko
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Answers by Bohdan Petrenko

Answers by Bohdan Petrenko
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Gordon adds a piece of solid zinc metal to a beaker of hydrochloric acid. He identifies the products as zinc chloride and hydrogen gas. Which process took place in the beaker?
answered Jul 13, 2018
3 votes
158k views
Determine the mechanical energy of this object: a 2-kg pendulum has a speed of 1 m/s at a height of 1/2 meter. A: 1 J B: 10.8 J C: 2 J D: 9.8 J
answered Apr 11, 2018
4 votes
194k views
Miguel and his brother Ario are both standing 3 meters from one side of a 25-meter pool when they decide to race. Miguel offers Ario a head start. He says he will start when the ratio of Ario's completed
answered Feb 3, 2018
3 votes
104k views
Which expression shows the length, BC, of the base of the stand? 9 cot 70° 9 cos 70°
answered Jan 9, 2018
5 votes
11.6k views
1 + 200000 - 1 + 200000
answered Nov 27, 2017
5 votes
227k views
Read the excerpt from Jackie Robinson’s letter to President Eisenhower. As the chief executive of our nation, I respectfully suggest that you unwittingly crush the spirit of freedom in Negroes by constantly
answered Aug 20, 2017
2 votes
21.9k views
A person who suffers from AIDS and has an immune system that does not function properly is considered to have which of the following? A. impairment B. activity limitation C. hearing disability D. participation
answered Jul 14, 2017
5 votes
150k views
4 dozen bagels cost $30.00. how much change will you receive if you pay for a dozen bagels with a ten dollar bill
answered Jan 18, 2017
7 votes
98.8k views
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