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Use data in appendix C to calculate delta H, delta S, and delta G at 25 degrees C for each of the following reactions. In each case, show that delta G = delta H - T delta S.
a.) Ni(s) + Cl2(g) --> NiCl2(s)
b.) CaCO3(s, calcite) ---> CaO(s) + CO2(g)
c.) 2CH3OH(l) + 3O2(g) ---> 2CO2(g) + 4H2O(l)
If 20.0 ml of glacial acetic acid (pure ) is diluted to 1.20 L with water, what is the of the resulting solution. The density of glacial acetic acid is 1.05.
Why are the injection port and detector always heated to higher temperatures than the column in a gas chromatograph
Consider the reaction at 25C 2NO2 --> 2NO + O2 The overall rxn rate = k[NO2]2. The rate constant, k = 1.4 × 10^10 M-1 s-1. If 3.8 moles of NO2 are initially present in a sealed 1.00 liter vessel at 25 C, what is the half-life of the reaction
the dissolution of in water is endothermic with 33.5. if you prepare a 1.00 solution of beginning with water at 22.5
A flask containing 5.00ml of 3M HCI solution requires 14.45 mL of 1.00M NaOH for titration. How many moles of HCI are present in the solution. The density of 3M HCI is1.05 g/mL
What is the electron geometry. 3. What is the molecular geometry. 4. What are the hybridized orbitals. 5. Is the molecule polar or non-polar
calculate the amount of potassium ferricyanide(formula weight 329.23g/mole) that must be used to prepare 250 mL of a 2.5X10-3 M solution.
Consider the filling order for electrons. If an atom has the following electron configuration, where would the next electron be placed? [Ne]3s23px23py2 3pz1 Answer a. 3px b. 3py c. 3pz d. 4s e. 4p3
An essential amino acid is one that you cannot make at a rate consistent with the normal growth and maintenance, which of the following sets consists of only essential amino acids
R2 Deaker and C Phosphate are titrating 100 mL of momoprotic acid (HAc) with 0.5M NaOH solution the equivalent point was reached after the addition of 15 mL. What is the concentration of the acid in molarity
How many moles of magnesium are needed to react with 16.0 g of O2?
the depth of each tank is 2 m and each has a detention time of 4 h. what is the surface area of each tank and what is the overflow rate of each tank in m^3/d*m^2?
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