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What are the types of forces, in addition to london forces, that are overcome in these changes? using structural formulas, make a sketch representing the major type of force in each case. A) the evaporation of liquid methanol, CH3OH B) the decomposition of hydrogen peroxide, H2O2, into water and oxygen C) the melting of urea, H2NCONH2 D) the boiling of liquid HCL
an aerosol can holds 0.35 L at 4.5 atm pressure. What is the volume when the gas is released into 1.0 atm pressure.
What are the units for absorptivity where the path length is given in centimeters and the concentration is expressed in. a. parts per million
What difference would you expect to see between the ionizaition energy of element 115 and that of element 116? Which IE would be larger? Explain in terms of expected electron configurations.
How many L of N2 gas are produced at STP when the airbag inflates if the airbag contains 132g of sodium nitride?
Titanium (III) chloride, a substance used in catalysts for preparing polyethylene, is made by high-temperature reaction of vapor with 2TiCl4+H2=2TiCl3+2HCl: How many grams of are needed for complete reaction with 150 of at 450 and 785 pressure
How long would it take for 1.50 mol of water at 100.0 0C to be converted completely into steam if heat were added at a constant rate of 19.0 J/s?
A 17.0-g sample of ice at -19.0°C is mixed with 101.0 g of water at 87.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Which of the solids below should display the lowest melting point? a)Al2O3 b)NaF c)C6H12O6 d)CsI e)C12H22O11
Explain why the colour of the light emitted by an element in the gaseous state is characteristic of the element & explain with a sketch diagram how a hydrogen atom, which has only one electron, has so many spectral lines.
An aqueous CaCl2 solution has a vapor pressure of 82.1 mmhg at 50 C . The vapor pressure of pure water at this temperature is 92.6 mmhg What is the concentration of in mass percent?
Synthesized a new compound one which has never beenprepared. How would you determine its mp? What precautions could take to insure that it is as accurate as possible?
what are the possible sources of error when finding the density of a liquid and of a solid? what can be done to avoid these errors?
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