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Physics, 21.06.2019 21:00
Iron reacts with sulfur to form iron sulfide. if 60 grams of iron reacts with sulfur to produce 90 grams of iron sulfide, how much sulfur has been used in the chemical reaction?
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Physics, 22.06.2019 11:00
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.
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Physics, 22.06.2019 14:30
What is the relationship between the direction of motion of the balloon and the wind currents
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Physics, 22.06.2019 15:10
What does si stand for,when referring to a system of measurement
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How could seon rewrite his hypothesis to be a statement that will more likely be supported...
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