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Explain the trend in properties in terms of the nature of bonding oxide and chloride in periodic 3?
translate the following word equations into balanced chemical equations and explain how the equations represent what
The boiling point of a certain pure liquid is 53.0 C and the enthalpy of vaporization is 32.7 kJ/mol at this temperature. The entropy of vaporization for this liquid is: in J/K mol
a student produces 2.73 g of a compound. She calculates the theoretical yield as 3.40 g. What is the percent yield
Lithium oxide is an effective absorber of carbon dioxide and can be used to purify air in confined areas such as space vehicles.
A chemistry lab experiment requires 25.2 g of silver nitrate. How many grams of a 15.5% by mass solution of silver nitrate should be used.
Calculate the energy required to heat 1.30 kg of ethane gas (C2H6) from 27.0°C to 78.0°C first under conditions of constant volume and then at a constant pressure of 2.00 atm. Calculate ?E, ?H, and w for these processes
At high temperature, ammonia reduces copper(II) oxide to the free metal: Step 1: 2NH3(g) + 6CuO(s) => N2(g) + 3Cu2O(s) + 3H2O(g) Step 2: 2NH3(g) + 3Cu2O(s) => N2(g) + 6Cu(s) + 3H2O(g)
A 0.0100 molal aqueous solution of a weak acid freezes at -0.0219 oC. Calculate the percent ionization of the weak acid, HA.
Calculate the ratio of the translational partition functions of D2 and H2 at the same temperature and volume.
A voltaic cell consists of a strip of cadmium metal in a solution of Cd(NO3)2 in one beaker, and in the other beaker a platinum electrode is immersed in a NaCl solution
What is the mole fraction of ethanol in this solution. Sdduming ideal-solution behavior, what is the vapor pressure of the solution at 63.5 C. What is the mole fraction of ethanol in the vapor above the solution
When a piece of metal is irradiated with UV radiation (lambda = 162 nm), electrons are ejected with a kinetic energy of 5.46 x 10^-19 J. What is the work function of the metal
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