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The volume of the nitrogen container is less than the

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The volume of thenitrogen container is lessthan the volume of theargon container.QUESTION 4“Ethanol boils at 78.5 deg C. If10 g of sucrose (C12H22O11) isdissolved in 150g of ethanol, atwhat temperature [deg C] will thesolution boil? Assume Kb=1.20deg C/m for the alcohol."78.7378.50.23100.23QUESTION 5"When a deliquescent substanceis exposed to air, it"a. loses water of hydration.b. crystallizes.c. becomes moistd. oxidizes.QUESTION 6""Electrons added to atomicorbitals of the same energy willremain unpaired with parallelspins until the subshell is morethan half-filled"" is a statementof "Hund's rule.the Aufbau principle.the Pauli exclusionprinciple.the periodic law.QUESTION 7"Magnesium oxide, MgO, is animportant industrial material.Which of the following is one ofits uses? "furnace bricksconstruction material
toothpaste abrasiveantacidQUESTION 8Xenon forms several compoundswith oxygen and fluorine. It is themost reactive non-radioactivenoble gas becauseit has the lowest ionizationenergy of these noblegases.its effective nuclearcharge is lower than theother noble gases.it has the highest electronaffinity of these noblegases.it has the highestelectronegativity of thesenoble gases.QUESTION 9Which of the following is not astate function?workinternal energyvolumepressureQUESTION 10Calculate q when 28.6 g of wateris heated from 22.0°C to78.3°C.6.74 kJ0.385 kJ1.61 kJ9.37 kJQUESTION 1Use Hess's Law to calculate theenthalpy change for the reactionWO3(s) + 3H2(g) → W(s) +3H2O(g)from the following data:2W(s) + 3O2(g) →2WO3(s)ΔH =-1685.4 kJ2H2(g) + O2(g) →2H2O(g)ΔH= -477.84 kJ252.9 kJ364.9 kJ125.9 kJ1207.6 kJQUESTION 2Use the following data tocalculate the standard heat(enthalpy) of formation, ΔH°f, ofmanganese(IV) oxide, MnO2(s).2MnO2(s) → 2MnO(s) +O2(g)ΔH = 264 kJMnO2(s) + Mn(s)2MnO(s)ΔH =-240 kJ-504 kJ-24 kJ504 kJ-372 kJQUESTION 3Which of the following is acorrect set of quantum numbersfor an electron in a 3d orbital?"n = 3, l = 2, ml = -2""n = 3, l = 3, ml = +2""n = 3, l = 2, ml = 3""n = 3, l = 1, ml = +3"QUESTION 4Which of the following elementshas the smallest atomic radius?NeLiRbXeQUESTION 5Predict the products for thefollowing set of reactants. Li(s) +H2O(l) ?Li+(aq) + H2(g) + OH-(aq)Li+(aq) + H2(g) + O2(g)LiH(s) + O2(g)Li+(aq) + H2O2(aq)QUESTION 6Which of the following containscovalent bonds?IBrBaOMgLiBrQUESTION 7The elements from Groups 1A(1)and 2A(2) are
strong reducing agents.strong oxidizing agents.amphotericstrong basesQUESTION 8Raoult's Law relates the vaporpressure of the solvent abovethe solution to its mole fraction inthe solution. Which of thefollowing is an accuratestatement?Raoult's Law works bestwhen applied to dilutesolutions.Raoult's Law appliesexactly to all solutions.Raoult's Law works bestwhen applied toconcentrated solutions.Raoult's Law applies onlyto non-ideal solutions.

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Term
Spring
Professor
christine erana
Tags
The Land, Chemical reaction, Sulfuric acid, RENZO LOUIS P GAPASIN

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