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Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.
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Chemistry, 22.06.2019 12:30
Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)
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Chemistry, 22.06.2019 19:00
How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag
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Chemistry, 23.06.2019 01:00
Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.
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Complete and balance the equation for the reactions, each of which could be used to remove hydrogen...
Computers and Technology, 07.11.2019 21:31
Computers and Technology, 07.11.2019 21:31