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Inflated Balloons

Placing an inflated balloon in the freezer would result in which of the following?

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Average Kinetic Energy

If the temperature of a gas is quadrupled from 40K to 160K, which of the following accurately describes the change in the average kinetic energy of the gas?

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Evaporative Cooling

Which of the following is an accurate explanation for evaporative cooling?

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Calcium Hydroxide

The solubility of calcium hydroxide (Ca(OH)2) is given as:

The solubility is a factor of total hydroxide ion in the solution and the solvent hydroxide concentration. The solvent is the liquid in which the calcium hydroxide is dissolved. Which of the following would increase the solubility of calcium hydroxide?

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Density of the Solid

If 7.000g of a solid displaced 21.0 mL of water when dropped into a graduated cylinder, what is the density of the solid?

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Aqueous Equation

Consider the following aqueous equation:

6 NaI + Ca3(PO4)2 -> 2 Na3PO4 + 3 CaI2

If 14 moles of NaI, 8 moles of Ca3(PO4)2, and 6 moles of Na3PO4 are present in a mixture, which one of the following compounds would determine the amount of CaI2 that was produced after 2 hours?

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Chemistry Comparisons

When comparing 18O and O-2, which of the following is true?

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Consider the Base

In the reaction between NH4+ and NO3, which of the following would be considered the base?

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Conjugate Base

The conjugate base of HSO4 is which of the following?

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Buffer Solution

The pH of 1 Molar acetic acid is 2.4. By adding sodium acetate, NaCH3COO to the acetic acid a buffer solution is formed. Which statement best describes what occurs in the buffer solution?

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