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Problem- How much energy (in joules) is required to convert a 25.0 g sample of water (initially at 34.0 oC) to steam at 112 oC? (use these values for heat of phase changes and specific heats: Cp, ice = 2.09 J/g- delta ok ; Cp, water = 4.18 J/g-deltaok; Cp, steam = 2.01 J/g-delta ok; delta H fusion = 334 J/g; delta H vap = 2256 J/g )
Any expert is able to provide answer for this problem in very short time
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.
Problem- Hexacyanoferrate(III) has one paired electron. Does CN- produce a strong or weak field with Fe in this complex. Is the complex low or high spin
A sample of xenon gas collected at a pressure of 189 mm Hg and a temperature of 290 K has a mass of 110 grams. The volume of the sample is
a 10.0-g sample of ice at -16.0degc is mixed with 105.0 g of water at 76.0degc. calculate the final temperature of the
Calculate the oxygen content of the plasma in mM! 1 ml plasma dissolves 24 uL oxygen at 38 degrees C if the partial pressure is 103 kPa.
on aug. 6th1945 the united states bombedthe japanese city of hiroshima with a 235uranium based bomb killingsome 140000
How many grams of mercury(II) oxide are needed to produce 3.05 L of oxygen gas according to the following reaction at 25 C and 1 atm mercury(II) oxide (s)------ mercury (l) + oxygen (g)
Draw the flow of e- and the products of the Methoxide Ion and water including formal charges on all compounds.
An Al strip is placed in CuSO4 solution. Would you expect a spontaneous reaction to occur,based on the net potential
Calculate Equilibrium constant, if delta Gf for NH3(aq) is -26.50 kj/mole; for H2O(l) is 237.13 kj/mole;for NH4+(aq) is -79.31 kj/mol; for OH-(aq) is 157.3 kj/mole. How many moles of NH4Cl must be added to 1.0L of 0.10M NH3 to make a buffer whose ..
PH of Acetylsalicylic Acid, The active ingredient in aspirin is acetylsalicylic acid (HC9H7O4), a monoprotic acid with a Ka = 3.3x10-4
An equilibrium mixture of NO(g), O2(g) and NO2(g) is allowed to expand from 1.0 to 2.0 L at a constant temperature. Given that 2 NO(g) + O2(g) 2 NO2(g) which of the following statements is correct
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