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1) You dilute 15 ml of 0.64 M HCH3COO to a total volume of 60ml. What is the molarity of acetic acid, [HCH3COO], in the diluted solution?
2) You have aqueous solutuin of HCl, NaCH3COO and AgNO3. What are the ions that are present in these aqueous solution? When you mix all of the solutions together, what reaction, if any occurs?
3)What heat is given off when 2.5g of iron rust according to the following reaction which has a deltaH of -1648KJ/mole?
4) Estimate deltaG for the following process.
a) spontaneous=
b) nonspontaneous=
c) process at equilibrium=
What is the minimum external voltage one must supply in order to perform the electrolysis of molten CaCl2. Show work, explain, and suggest a means for supplying this energy.
a hydrogen-filled balloon was ignited and 1.50 gram of hydrogen reacted with 12.0 g of oxygen. how many grams of water
Squalene is an important acyclic hydrocarbon whose molecular formula is C30H50. How many pi-bonds does squalene have? explain and show calculation.
if a sample of 4.17 L of ethane gas at 725 C is cooled to 175 C at constant pressure, what is the new volume?
If the sample contains a combined total of 1.75 grams per mole and has a total mass of 51.0 grams, what are the percentages of CO2 and Ne in the sample by mole?
Draw a sigma only MO diagram for a generic ML6^n- complex. Label all atomic and molecular orbitals with their proper symmetry designations. Which orbitals are nonbonding and why
A solution is prepared by dissolving 159 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
To keep ionic strength constant and maintain a more consistent matrix in a solution where ions could be influencing each other, another component is often added to the solution
If the atom 213/ 82Pb undergoes decay by emitting two beta particles and an alpha particle, the atom's new identity is: 1) Platinum-209 2) Mercury-211 3) Lead-209 4) Lead-211
The solubility of N2 in blood at 37°C and at a partial pressure of 0.80 atm is 5.6 10-4 mol/L. A deep-sea diver breathes compressed air with the partial pressure of N2 equal to 3.6 atm.
A(aq) 2B(aq) Kc-7.97e-6 at 500K If a 3.40 M sample of A is heated to 500 K, what is the concentration of B at equilibrium
Write the ionic equation for the reactions. Write the net ionic equations for the reactions, A.) LA2(CO3)3 (s)+HCL (aq)= LaCl3 (aq) + CO2 (g) + H20
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