Specific Heat
How much heat is absorbed when 500. g of water , Cp = 4.184 J/goC, goes from 25.0 oC to 35.0 oC?
What is 2.09 x 104 J?
Determine the change in enthalpy for this reaction (you may Google the heats of formation necessary):
NaOH(s) + HCl(g) ----> NaCl(s) + H2O(g)
What is -134 kJ?
What is the degree of randomness, or chaos, in a system?
Write out the equation for calculating pH.
What is pH= -log[H3O+]
How much heat is absorbed when 500. g of copper, Cp = 0.385 J/goC , goes from 25.0 oC to 35.0 oC?
What is 1,930 J?
Determine the change in enthalpy for this reaction (you may Google the heats of formation necessary):
2 CO(g) + O2(g) ---> 2 CO2(g)
What is -566 kJ?
Towards which way does entropy move naturally?
What is increased entropy?
What is the equation to calculate the hydronium ion concentration from the pH?
What is [H3O+] = 10-pH
How much heat is released when 150 g of iron cools from 525oC to 100.oC? (Cp = 0.44 J/goC)
What is 28,000 J?
Determine the change in enthalpy for this reaction (you may Google the heats of formation necessary):
CH4(g) + 2 O2(g) ---> CO2(g) + 2 H2O(l)
What is -891.1 kJ?
List the states of matter in order of increasing entropy.
What are solids, liquids, and gases?
Solution has a pH of 2. What will the molarity be of [H3O+]?
What is 0.01 M?
A 50.0 g block of glass (Cp = 0.50 J/goC) absorbs 333 joules of heat energy. How much does the temperature of the glass rise?
13.3 oC
Determine the change in enthalpy for this reaction (you may Google the heats of formation necessary):
NO(g) + O2(g) ---> NO2(g)
What is -113 kJ?
The equation for entropy.
What is ΔG0 = ΔH0 - TΔS0?
What is the pH of a solution that contains 15.0 grams of HCl dissolved in 7.0L of solution?
What is pH=1.2
The temperature of a silver coin (Cp = 0.240 J/goC) falls by 353 oC as it releases 5,550 Joules of heat. What is the mass of the coin?
What is 65.5 g?
Determine the change in enthalpy for this reaction (you may Google the heats of formation necessary):
H2S(g) + O2(g) ---> H2O(l) + SO2(g)
What is -1123.6 kJ?
An endothermic reaction is increasing in entropy. When would this reaction occur spontaneously?
What are higher temperatures?
A solution is created by measuring 3.60 x 10-3 moles of NaOH and 5.95 x 10-4 moles of HCl into a container and then water is added until the final volume is 1.00 L. What is the pH of this solution?
What is 11.48?