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Problem- Calculate the change in entropy of 1.0 L of water at 0 degrees C when it absorbs 470 J of energy from a heater. (b) If the 1.0 L of water is at 99 degrees C, what is the entropy change? (c) Explain any difference in entropy change.
Demonstrate all steps to describe the solution of above question
Next, 1.50 g of this sodium salt was dissolved in water and diluted to 50.0 mL. Identify the dissolved substance: Is it an acid, a base, or is it amphiprotic. Calculate the pH of the solution.
A solution is made by dissolving 45 g toluene (C7H8) in 125 mL of liquid benzene (C6H6; d=0.874 g/mL). What is the molality of toluene in the resulting solution.
The following data were obtained when a Ca2+ ion-selective electrode was immersed standard solutions whose ionic strength was constant at 2.0 M.
Cesium atoms are the largest naturally occurring atoms. The radius of a Cs atom is 2.62angstroms. How many Cs atoms would have to be laid side by side to give a row of Cs atoms
How much heat would be released if 12.0 g of methane, CH4, was completely burned in oxygen to form carbon dioxide and water at standard state conditions
Arrange the following isoelectronic series in order of decreasing radius, from largest to smallest Cl- p^3- Ca^2+ K+ S^2-
The water is brought to the vapor state at 300 degrees celsius and 1,500 kPa, where its internal energy is 2,784.4 kJ/kg and its specific volume is 169.7 cm3/g. Calculate delta U and delta H for the process.
The thermodynamic properties for a reaction are related by the equation that defines the standard free energy, Delta G circ, in kJ/mol: Delta G circ=Delta H circ-T Delta S circ where Delta H circ is the standard enthalpy change in kJ/mol and Delta..
The overall formation constant for Cu(NH3)42+ is 1.1x1013 at 25oC. What is [Cu2+], in moles per litre, at equilibrium when 8.3 g Cu(NO3)2 is dissolved in 0.500 L of 1.00 mol/L NH3(aq)
What is theoretical yield of nitrogen monoxide in grams d. How many moles of excess reactant remain e. What is the % yield of the reaction
solid lithium hydroxide reacts with gaseous carbon dioxide to form solid lithium carbonate and liquid water. what mass
80.0 of is initially at room temperature 22. a chilled steel rod at 2 is placed in the water. if the final temperature
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