Answers by Zbigniew Mazur
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Answers by Zbigniew Mazur

Answers by Zbigniew Mazur
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A compound with the empirical formula, ch2, has a molar mass equal to 84.2 g/mol. what is the molecular formula for the compound?
answered Apr 27, 2018
1 vote
219k views
Joe is lifting boxes to load a trailer. To follow proper lifting procedures, Joe should: A. Bend at the knees, keep his back straight and lift with his legs B. Bend at the waist, keep his arms straight
answered Jan 13, 2018
2 votes
235k views
Which one of the following choices best represents a characteristic of good walking technique? a. Pointing your toes toward the ground b. Taking short, slow strides c. Keeping your head down d. Letting
answered Dec 30, 2017
7 votes
157k views
How did the Vietnam war affect immigration to United States in the 1970s
answered Nov 3, 2017
6 votes
141k views
Which of the following is an example of a feedback message? a.advice from a guidance counselor b.teacher lecturing about 15th century art c.movie trailer from an upcoming movie d.calling a friend on the
answered Sep 16, 2017
6 votes
194k views
Consider the following sentences: Eddie went to a movie theater with his friends to see the new fantasy flick, The Gremlins Attack the Mouse People. They sat through the movie twice. What is the best way
answered Aug 14, 2017
3 votes
63.4k views
Which was René Descartes known for? a. the Cartesian coordinate system and the belief that mathematics can explain all of nature b. the belief that observation and experimentation are necessary to acquire
answered Oct 17, 2016
7 votes
226k views
What percent of earths surface is made up of oxygen
answered Jul 3, 2016
5 votes
110k views
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