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Question
The correct symbol for the isotope of potassium with 22 neutrons isA)
K.B)
K.C)
P.D)
P.E)
K. Answer
This answer is hidden. It contains 1 characters.
Related questions
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According to the Brnsted-Lowry definition,
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For the following reaction, the equilibrium constant Kc is 2.0 at a certain temperature. Bromine can be liquefied easily and removed from the reaction vessel as it is formed. If this is done, how will it affect the equilibrium reaction?2NOBr(g) -> 2NO(g) + Br2(g)A) More products will be made as Br2 is removed.B) There will be a larger proportion NOBr in the vessel when equilibrium is reached.C) Less NO will be made.D) The pressure in the vessel will increase.E) The equilibrium constant will change.
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In the reaction of nitrogen gas with oxygen gas to produce nitrogen oxide, what is the effect of adding more oxygen gas to the initial reaction mixture? The reaction is shown below.N2(g) + O2(g) -> 2NO(g)A) The equilibrium shifts to produce more N2.B) The equilibrium shifts to produce more NO.C) The equilibrium is not affected.D) Extra catalyst is required to reach equilibrium.E) The temperature of the reaction mixture is raised.
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When a reaction is at equilibrium,
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A chemical reaction has reached equilibrium when
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Methanol, CH3OH, can be classified as a ________.
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Q:
0.50 mole of KCl is added to 2.0 kg of water. The boiling point of the solution will be ________ the boiling point of pure water.
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Q:
During the process of diluting a solution to a lower concentration,
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An increase in the temperature of a solution usually
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Q:
When KCl dissolves in water
A) the Cl- ions are attracted to dissolved K+ ions.
B) the Cl- ions are attracted to the partially negative oxygen atoms of the water molecule.
C) the K+ ions are attracted to Cl- ions on the KCl crystal.
D) the K+ ions are attracted to the partially negative oxygen atoms of the water molecule.
E) the K+ ions are attracted to the partially positive hydrogen atoms of the water molecule.
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A solution is prepared by dissolving 2 g of KCl in 100 g of H2O. In this solution, H2O is the
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C) solution.
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E) ionic compound.
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Which of the following molecules can form hydrogen bonds?
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STP stands for 25 C and 760 mmHg.