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Of the seven three-dimensional primitive lattices,
(a) which one has a unit cell where the a and b lattice vectors form a rectangular base, while the c lattice vector is perpendicular to the other two and of a different length?
(b) What is the lattice if the a and b lattice vectors form a square base and the c lattice vector is perpendicular to the other two and of a different length?
what is the theoretical yield of carbon dioxide when 56.0 g of methane is burned in a excess of oxygen, according to the equation CH4 2 )2 ->CO2 ,2H2o.
The MnO4(-) is often used to analyze for the Fe(2+) content of an aqueous solution via the reaction MnO4(-) + Fe(2+) ---> Fe(3+) + Mn(2+) in acidic solution. What is the ratio of Fe(2+):MnO4(-) in the balanced equation
.2956g of an iron compound yielded .06679g of Fe203 upon oxidation. What is the mass percent of iron in the compound
normally supplied in metal containers under pressure the fuel exists as a mixture of liquid and gas so high
Assuming the solution has a heat capacity of 4.18 J/°C · g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
Define boiling point and explain why boiling liquids and non boiling liquids both have bubbles. Explain why boiling water in Seattle is hotter than bowling water in Denver
The equilibrium constant Kp is measured (at an unspecified temperature) to be 0.66 for the reaction:
Calculate the values of the rate constant k assuming that the reaction is first order
in a calorimeter 10.0 g of ice melts at 0 oc. the enthalpy of fusion of the ice is 334 jg. how much heat was
What is the charge on the chromium ion in this compound. Chromium and phosphate form a second compound, Cr3(PO4)2. What is the charge on the chromium ion in this compound. Name the two compounds unambiguously.
How much heat is evolved when 233 g of ammonia gas condenses to a liquid at its boiling point?
The volume of the gas collected =500 ml then determine the mass of O 2 is collected? The vapor pressure of H 2 O at 25 degree Celsius =23.8 torr
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