Chemistry, 07.11.2019 13:31 cearacrank
Why is oxygen an element ? a it is essential to life b it burn c it combines with hydrogen d it cannot be broken down into a simple substance through chemical means
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Chemistry, 22.06.2019 21:30
While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars
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Chemistry, 22.06.2019 23:00
What is the number of neutrons in an atom with atomic mass of 35
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Chemistry, 23.06.2019 07:30
If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?
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Chemistry, 23.06.2019 12:30
All chemicals, even safe chemicals, such as sodium chloride( table salt), are toxic if exposure is high enough. (true or false)
Answers: 2
Why is oxygen an element ? a it is essential to life b it burn c it combines with hydrogen d it can...
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