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Directions: Write balanced net ionic equations (using half-reaction method) for each off the following chemical reactions. Show Work.
1) Solid sodium metal is added to a solution of solfuric acid.
2) A solution of sodium dichromate is added to an acidic solution of iron (II) chloride.
3) Acidified solutions of potassium permangagnate and hydrogen peroixde are mixed.
4) Concentrated hydrochloric acid is poured over solid potassium permangnate.
5) Basic solutions of sodium sulfite and potassium permanganate are mixed.
6) Pb(s) + PbO2(s) + H2SO4 (aq) -> PbSO4 (s)
7) NH3 (g) + O2 (g) -> NO (g) + H2O (g)
A weather balloon at Earth's surface has a volume of 4 L at 285 K and 791 mmHg. If the balloon is released and the volume reaches 4.19 L at 711 mmHg.
What mass of water can be heated from 36C to 100C by burning this piece of coal? Answer in units of g.
vinegar is a 5.0% solution by weight of acetic acid (CH3CO2H)in water. given that the ph for acetic acid is 2.41, the ka=1.8X10-5 and assuming the density of vinegar to be 1.00g/cm3, what is the percent dissociation for acetic acid in vinegar?
Resonance Forms of the Enolate Ion of Acetophenone, In the stepwise trihalogenation process of a methyl group in acetophenone the methyl group in intitially deprotonated
0.45 g of hydrogen chloride (HCl) is dissolved in water to make 5.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
"A student titrated a 10 mL sample of a saturated solution of borax. If the titration required 23.95 mL of 0.2556 M HCL to reach the endpoint, calculate the equilibrium molar concentration of B4O5(OH)(4 in the saturated solution"
consider the following reaction. Mg+H3PO4 magnesium phosphate and hydrogen. what is the molecular formula for magnesium phosphate.
Determine the numbers of oxygen molecules are required for each molecule of C 6 H 12 O 6 glucose that is oxidized if Glucose is oxidized by molecular O 2 to CO 2 and H 2 O?
Phosphorus trichloride gas and chlorine gas react to form phosphorus pentachloride gas. A gas vessel is charged with a mixture of PCl3(g) and Cl2(g)
a gas has a volume of 1.75 L at -23 degrees Celsius and 150 kPa at what temperature will the gas occupy 1.30 L at 210 kPa
Explain how the carbonate system in natural waters provides buffering capacity
Determine how many moles of Trisodium phosphate would be required to react with 4.0mol of Silver Nitrate?
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