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Question: A silver ball is suspended by a string in a vacuum chamber and ultraviolet light of wavelenght 200nm is directed at it. What electrical potential will the ball acquire as a result.
What is the balance chemical equation for the reaction of CuSO4 + NAOH and what is the reaction classification.
the tetraethyl lead pbc2h54in a 25.00 ml sample of aviation gasoline was shaken with 15.00 ml of 0.02381 m i2. hint one
Since ammonia is better proton acceptor than water, the ionization of acids is relatively enhanced in liquid ammonia. For example, acetic acid is a strong acid in liquid ammonia. part( a)Estimate [NH4+] (mol/L) in pure (i.e. neutral) liquid ammoni..
What is the change in internal energy (in J) of a system that absorbs 0.532 kJ of heat from its surroundings and has 0.225 kcal of work done on it? = j
How much energy is released when 32.4 g of water freezes? The heat of fusion for water is 6.02 kJ/mol.
A sample of dichlorormethane has a voloume of 8.043 in.^3. What is the mass of the sample(in lb)? The density of dichloromethane 1.33 g/cm^3.
What is the concentration of vinegar in moles per liter of solution (molarity, M)?
a 35.0-ml sample of 0.20 m lioh is titrated with 0.25 m hcl. what is the ph of the solution after 23.0 ml of hcl have
During an experiment to find molar volume of oxygen, assume that you heated your sample too rapidly, and some of the sample spattered onto the rubber stopper in the test tube
chloromethane gas (CH3Cl) at 20.0 degrees celsius and 0.973 atm pressure. The molar mass of a chloromethane is 50.5 g/mol.
What are the values of (i) the pressure, (ii) the molar fraction of benzene in the liquid phase, and (iii) the molar fraction of benzene in the vapor phase when 1/4 the initial vapor phase has condensed
a balloon contains 0.140 g of helium at a pressure of 1.00 atm. at what temperature will the balloon have a diameter of
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