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10.0 g of a metal primarily at 25 degrees C are placed into 10.0 g of H2O initially at 100 degrees C. Explain which metal will have the highest final temperature? Shown after each metal is it's specific heat in J/(g times degrees C
A) Copper (0.385
B) Iron (0.450)
C) Gold (0.129)
D) Aluminum (0.902)
Which of the following solids are molecular solids, and which are network solids? Include in your answer the nature of the forces of the attraction in each. C, S8, CO2, SiO2, P4O6, NaCl, MgO, Al I typed the compounds this way because I do not know..
in a laboratory practical exam students were asked to prepare an aqueous buffer solution having a ph close to 9. which
gasoline is composed of hydrocarbons. which additive ethanol or mtbe is more compatible similar with gasoline? why? gas
Consider the following equation: 2Mg(s) + O2 (g) → 2MgO(s). How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg?
Calculating concentration in equilibrium, At pH 6.00 and pE 2.60, what is the concentration of Fe2+ (mol/L) in equilibrium with Fe(OH)3?
This solution freezes at -0.159C calculate the degree of dissociation( the fraction of molecules dissociated) for the acid in this solution ( assume the mean ionic activity coefficient has a value of 1). c) from the dgree of dissociation determine..
If the rate of 4HNO3 -->2H2O + 4NO2 + O2 is given by: rate = k[HONO2]^2, and nitrogen trioxide is a rxn intermediate, proposea 3-step mechanism for the rxn. Explain/defend your proposed mechanism as necessary.
How much heat in kilojoules is evolved or absorbed in the reaction of 233.0 g of calcium oxide with enough carbon to produce calcium carbide. Is the process exothermic or endothermic
The total vapor pressure for a mixture with liquid mole fraction XA = 0.60 is 52.7 kPa. The vapor phase mole fraction is YA = O. 725. The excess molar enthalpy is +260 J mol-1. Calculate the molar Gibbs energy of mixing and the molar Entropy of mix..
Which of the following pairs of atomic orbitals on adjacent nuclei can overlap to form a sigma bond? Consider the x-axis as the internuclear axis
the solubilities of cholesterol in water and chloroform are0.250 mg100ml and 1.00 g4.5ml respectively. estimate
calculate the concentration of all soluble Hg(II) species. Which Hg(II) species is most prevalent? Assume there are no solids present, that the major ligands present are Cl- and OH-
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