Answer:
Explanation:
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In this case, since the mole-mole rations consider the amount of the specific ion in the whole compound, we can evidence that the potassium sulfate has two potassium ions in the molecule; in other words, there is a 1:2 mole ratio of the former to the latter; in such a way, we can perform the following proportional factor:
So we cancel out moles of potassium sulfate to obtain:
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Answer:
subatomic particles are actually small than atoms
Answer:
B) CaO(s) + H2O(l) --> Ca(OH)2(aq)
Explanation:
This is the only reaction with a negative enthalpy value. Exothermic reactions have a negative enthalpy.
massive hematite or magnetite
Answer:
Because of increase in enzyme activity
Explanation:
Increase in salt concentration of sodium alginate yeast can lead to an increase in enzyme reaction/activity, causing the yeast spheres to rise up faster to the surface.
