Chemistry, 04.12.2021 01:00 robertotugalanp1wlgs
Which is the correctly balanced equation for a reaction of aluminium sulfide and zinc?
Group of answer choices
This reaction is not able to take place.
Zn + Al2O3-> Al + ZnO
3Zn + Al2O3-> 2Al +3ZnO
Zn + Al2O3- Al2 + ZnO3
Answers: 3
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Answers: 2
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Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3
Answers: 3
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If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.
Answers: 3
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Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3
Answers: 3
Which is the correctly balanced equation for a reaction of aluminium sulfide and zinc?
Group of an...
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