Arrange the following in order of increasing boiling point: RbF, CO2, CH3OH, CH3Br. Explain your reasoning. Explain in t

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Arrange the following in order of increasing boiling point: RbF,CO2, CH3OH, CH3Br. Explain yourreasoning.
Explain in terms of intermolecular forces why (a) NH3has a higher boiling point than CH4 and (b) KCl has ahigher melting point than I2.
Despite the fact that stainless steel is much denser than water,a stainless-steel razor blade can be made to float on water.Why?
Predict which of the following liquids has greater surfacetension: ethanol (C2H5OH) or dimethyl ether(CH3OCH3).
Metallic iron crystallizes in a cubic lattice. The unitcell edge length is 287 pm. The density of iron is 7.87g/cm3. How many iron atoms are within a unit cell?
When X rays of wavelength 0.090 nm are diffracted by a metalliccrystal, the angle of first-order diffraction (n = 1) is measuredto be 15.2°. What is the distance (in pm) between the layers ofatoms responsible for the diffraction?
Calculate the amount of heat (in kJ) required to convert74.6 g of water to steam at 100°C.
How much heat (in kJ) is needed to convert 866 g of ice at-10 °C to steam at 126 °C? (The specific heats of ice and steam are2.03 J/g°C and 1.99 J/g°C, respectively.)
11.86 The vapor pressure of benzene, C6H6,is 40.1 mmHg at 7.6°C. What is its vapor pressure at 60.6 °C? Themolar heat of vaporization of benzene is 31.0 kJ/mol.