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Chemistry, 22.06.2019 00:30
Drive down any three characteristic of modern periodic table
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Chemistry, 22.06.2019 09:40
Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
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Chemistry, 22.06.2019 13:00
Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?
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Chemistry, 22.06.2019 17:30
Air can be considered a mixture. which statement does not explain why?
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How many atoms are there in 1.42L of J at STP?...
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