BaS crystallizes in a cubic unit cell with S2- ions on each corner and Ba2+ on each face. How many Ba2+ and S2- ions are in each unit cell of BaS?
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Identify the gas dissolved in club soda.
Identify the gas dissolved in club soda.
The boiling point elevation of an aqueous sucrose solution i…
The boiling point elevation of an aqueous sucrose solution is found to be 0.67°C. What mass of sucrose (molar mass= 342.30 g/mol) would be needed to dissolve in 500.0 g of water? Kb (water) = 0.512°C/m.
Soap has an ionic and a polar end. It works well to remove o…
Soap has an ionic and a polar end. It works well to remove oil by
Which of the following represent the addition polymer formed…
Which of the following represent the addition polymer formed from the compound below? CH2=CH-CH3
Ethanol (C2H5OH) melts at -114°C. The enthalpy of fusion is…
Ethanol (C2H5OH) melts at -114°C. The enthalpy of fusion is 5.02 kJ/mol. The specific heats of solid and liquid ethanol are 0.97 J/gK and 2.3 J/gK, respectively. How much heat (kJ) is needed to convert 25.0 g of solid ethanol at -135°C to liquid ethanol at -60°C?
List the compounds in order of decreasing boiling point….
List the compounds in order of decreasing boiling point. CH3CH2CH3 He CH3CHO
Which of the following compounds is least soluble in octane…
Which of the following compounds is least soluble in octane (CH3CH2CH2CH2CH2CH2CH2CH3)?
Place the following substances in order of increasing vapor…
Place the following substances in order of increasing vapor pressure at a given temperature. NF3 NH3 BCl3
What mass (in g) of NH3 must be dissolved in 475 g of methan…
What mass (in g) of NH3 must be dissolved in 475 g of methanol to make a 0.147 m solution?