AP Chemistry: Which Formula Helps?

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"In the filtrate solution, is [K+] greater than, less than, or equal to [NO3 −] ? Justify your answer."

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"Determine the value of K_a for propanoic acid at 25°C."

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"A nonstandard cell is made by replacing the 1.0 M solutions Cu(NO₃)₂ and Sn(NO₃)₂ in the standard cell with 0.50 M solutions of Cu(NO₃)₂ and Sn(NO₃)₂ . The volumes of solutions in the nonstandard cell are identical to those in the standard cell.

(i) Is the cell potential of the nonstandard cell greater than, less than, or equal to the cell potential of the standard cell?"

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Tags

NGSS.HS-PS1-5

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"Calculate the number of moles of CO₂(g) present in the container after 20 minutes of heating. "

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"Using the table of standard enthalpies of formation below, determine whether the combustion of 2.00 mol of propene releases more, less, or the same amount of energy that 2.00 mol of vinyl chloride releases. "

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"Calculate the rate constant, k, for the reaction at 350. K. Include appropriate units with your answer. "

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Tags

NGSS.HS-PS1-5

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"Do the thermodynamic data for the reaction support the student’s claim? Justify your answer, including a calculation of ΔG°₂₉₈ for the reaction."

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"Calculate the pH at the half-equivalence point."

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"Calculate the magnitude of the heat absorbed by the solution during the dissolution process, assuming that they specific heat capacity of the solution if 4.18 J/(g°C). Including units with your answer."

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"what s the pH of a 0.75 M C₆H₅OH(aq) solution?"

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