A.) 2.00 g NaOH is dissolved in 50.0 ml water. The temperature of the water rises by 7.00oC. Determine the enthalpy change for the dissolution process. (Specific heat capacity of water is 4.18 J/goC)
A.) 2.00 g NaOH is dissolved in 50.0 ml water. The temperature of the water rises by 7.00oC. Determine the enthalpy change for the dissolution process. (Specific heat capacity of water is 4.18 J/goC)
B.) Determine the specific heat of a metal if 50.0 g of the metal gains 300 J of heat, while increasing its temperature by 5.0oC.
C.) If 15 ml of 0.10 M KMnO4 is required to titrate a sample of Na2C2O4, the mass of Na2C2O4, in the sample is __________.
a. 0.20g
b. 0.13g
c. 0.080g
d. 0.50g
D.) If a reaction solution is made up by mixing 5.0 ml of 0.0020 M Fe(NO3)3 ' 3.0 ml of 0.0020 M HSCN, and 2.0 ml of 0.50 M HNO3, the concentration of Fe(NO3)3 after mixing will be__________.
a. 0.0020M
b. 0.010M
c. 0.00020M
d. 0.0010M
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