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Problem- Calculate the heat absorbed and the work done on a system of 5.00 mol of an ideal gas as it expands irreversibly at constant temperature (298kk) from a pressure of 1.0 atm to 1.00 atm. The external pressure is held constant at 1.00 atm.
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What is the pH after 0.150mol of HCl is added to the buffer from Part A. Assume no volume change on the addition of the acid. Express the pH numerically to two decimal places.
A 200.0-mL sample of the same tap water required 47.86 mL of the standard EDTA for titration at pH 10 using calmagite indicator. Calculate the molar concentration of Mg2+ in the tap water
determine the number and type of donor atoms in the ligand. Options include: a) 4 N and 2 O, b) 2 N and 2 O, c) 4 N and 4 O, d) 2 N and 4 O
Question- A 47.00g sample of iron absorbs 914 j of heat when its temperature rises from 228.34 degree C to 71.75 degree C
question you have a prepared buffer solution from benzoic acid and its conjugate sodium benzoate. ka 6.3 x 10-5 for
A microwave oven operates at 2.40 GHz. What is the wavelength of the radiation produced by this appliance? in nano meters
Find the boiling point of water under pressure of 0.5 bar, given that the standard boiling point is 373 K and enthalpy of vaporization is 40.7 kJ/mol.
A 50.0 mL sample of constant-boiling HCl with a concentration of 0.1166 M was collected and titrated to an end point with 37.17 mL of Ba(OH)2 solution. What is the molarity of the Ba(OH)2 solution
how much will the temperature change when 730 g of each of the following materials absorbs 1240 cal of heat energy?a.
Calculate Kp for the reaction 2NOCl(g) ->2NO(g) + Cl2(g) at 400degrees C if Kc at 400 degrees C for this reaction is 2.1 × 10-2
What mass of CaCl2, when dissolved in 100.00g of water, gives an expected freezing point of -5.0 degrees celcius; CaCl2 is ionic?
For the structural stone marble, the specific heat is 0.858 J/g*degrees C. How much heat is absorbed by a 35 g sample of marble if its temperature is raised from 27 degrees C to 55 degrees C
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