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Question
The solubility of manganese(II) fluoride in water is 6.6 g/mL at 40C and 4.8 g/L at 100C. Based on these data, what is the sign of ΔH and ΔS for the process below?MnF2(s) ⇌ Mn2+(aq) + 2 F-(aq)
A) ΔH is negative but the sign of ΔS cannot be determined from this information.
B) ΔH is negative and ΔS is definitely negative.
C) ΔH is positive but the sign of ΔS cannot be determined from this information.
D) ΔH is positive and ΔS is definitely negative.
Answer
This answer is hidden. It contains 1 characters.
Related questions
Q:
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B) covalent and basic
C) ionic and acidic
D) ionic and basic
Q:
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B) silicon and oxygen form better σ bonds than carbon and oxygen, so Si-O single bonds are stronger than C-O single bonds.
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A) element A
B) element B
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B) element B
C) element C
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Q:
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Q:
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Q:
The bright colors of anodized titanium are due toA) electrodeposition of organic dyes on the titanium surface.B) the formation of a titanium alloy with chromium and copper.C) iridescence involving the semitransparent outer layer of TiO2.D) trapping of organic dye molecules in a spongy TiO2 matrix.
Q:
Chromium can be electroplated from an aqueous solution containing sulfuric acid and chromic acid, H2CrO4. What current is required to deposit chromium at a rate of 1.25 g/min?
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Q:
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A steel pipe can be protected from corrosion by attaching the pipe to a piece of magnesium because
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Which of the following statements concerning the rusting of iron is false?
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Q:
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