परमाणुको बनावट स्पष्ट देखिने चित्र बनाउनुहोस् र प्रोटोनको एउटा गण लेख्नुहोस्।
Draw a labelled f...
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Chemistry, 22.06.2019 14:00
Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?
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State one important difference between a physical change and a chemical change?
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Chemistry, 22.06.2019 20:30
Select all the correct answers.which compounds have the empirical formula ch20? (multiple answers)a.c2h4o2b.c3h603c.ch2o2d.c5h1005e.c6h1206
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Chemistry, 23.06.2019 03:00
Is it safe to take 450mg of diphenhydramine hydrochloride?
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