B. It is a combustible gas
Chemistry, 23.01.2021 01:20 destinycolley728
What is a chemical property of hydrogen?
A. It’s is a light gas
B. It is a combustible gas
C. It is a colorless gas
D. It has a boiling point of -252.87°C
E. It is a good conductor of electricity
Answers: 2
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Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?
Answers: 1
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In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
Answers: 3
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Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size
Answers: 1
What is a chemical property of hydrogen?
A. It’s is a light gas
B. It is a combustible gas
B. It is a combustible gas
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