The net ionic equation for the reaction is a. K^+(aq) + 3CO_3^2 (aq) + 2Cr^3+ (a

Question

The net ionic equation for the reaction is a. K^+(aq) + 3CO_3^2 (aq) + 2Cr^3+ (aq) + CIO_3 (aq) rightarrow Cr_2 (CO_3)_3 (s) + KCIO_3 (aq) b. K^+(aq) + 300_3^2- (aq) + 2Cr^3+(aq) + 2cr^3+ (aq) + CIO_3 (aq) rightarrow cr_2 (CO_3)_3 (aq) + KCIO_3 (s) c. 3CO_3^2 (aq) + 2cr^3+(aq) rightarrow Cr_2(co_3)_3 (s) d. K^+(aq) + CIo_3 (aq) rightarrow KCIO_3(s) The limiting reagent in the reaction is a. Chromium (III) ion b. chlorate ion c. Potassium ion d. Carbonate ion For question 30-31 refer to the graphs shown below on the right: A reasonable explanation for the almost linear increase in boiling points is a. There are 4 more hydrogens in the molecules as you go from left to right and so the number of hydrogen bonds increases. b. The number of LDFs increases by the same amount as each carbon is added to the chain. c. As the chain gets bigger LDFs become stronger and the molecules start to have a dipole moment. d. The number of dipole-dipole interactions increases by the same amount as each carbon is added to the chain. If we add the boiling point of methanol to the graph as shown here, which labeled point on the graph would most likely correspond to the boiling point of CH_3OH? a. A b. B c. C d. D

Explanation / Answer

Answer:

28) a

29) c

30)d

31)c

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