Chemistry, 03.10.2021 14:00 jdkrisdaimcc11
3. At 25°C a block of unknown metal weighing 6.50x103 grams has the following
dimensions: length 16.1 cm, width 10.7 cm, and height 2.0 cm. Is the metal likely to be
gold? Why/why not?
Answers: 1
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If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a
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How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer
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Chemistry, 22.06.2019 04:40
Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)
Answers: 2
Chemistry, 22.06.2019 19:30
Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)
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3. At 25°C a block of unknown metal weighing 6.50x103 grams has the following
dimensions: length 1...
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