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CHM 1210 Final practice Name: Know electrolyte table, 5 solubility rules; 26 polyatomics (name/formula) Write 7 naturally occurring diatomic molecules (name; formula, phase , charge) Write rite out strong acids and weak acids by name; formula, phase ,charge Write out the molecular, complete, and net-ionic equations for the following reactions The mixing of Cobalt(IlI) chloride and silver nitrate The mixing of acetic acid and sodium hydroxide The mixing of hydrochloric acid and cakcium hydroxide The mixing of barium chloride and silver nitrate The mixing of barium chloride and potassium sulfate The mixing of phosphoric acid and sodium hydroxide The mixing of carbonic acid and sodium hydroxide Define effusion and diffusion; ; write out and solve a problem involving rate and molar mass. What volume of o.545 M magnesium hydroxide is required to neutralize 20.7 ml of 0.189 M phosphorie acid? Show the formation of sp3. Sp2 and sp hybridization Show the formation of PCls: lewis dot and hybridization Write the following net ionic equation: perman manganese(lII) oxide and bromate ions in a basic solution. Balance the equation using the half reaction method What is the reducing agent and why? What is the oxidizing agent and why? ganate ions and bromide ions react to produce solid Given the following data and using Hess Law, Calculate change in Enthalpy for the reaction Overall reaction: NOg)ON0a Δ11-495 kJ Write a balanced equation and calculate how many grams of lead(II) chromate are produced whern 2.00g Lead(II) acetate and 3.00g sodium chromate are mixed. Which compound is the limiting reactant and how much excess reagent is left over? What is the wavelength of light emited when an electron in a hydrogen atom undergoes a transition from energy level n-4 to n-2? Show all work and units Draw Lewis dots for the following three molecules: nitrate ion. Show all calculations and work. Propose the Lewis dot structures with formal charge for phosphate ion Indicate the most stable structure. Show all calculations and work Using electronegativity table; show the electronegativity scale and classify the following bonds: hydrogen gas, sodium chloride salt and carbon monoxide.
What volume of 0.545 M sodium hydroxide is required to neutralize 20.7 mL of 0.189 M carbonic acid? Write a balanced equation and calculate how many grams of barium sulfate are produced when 2.00g barium iodie and 3.00g sodium sulfate are mixed. Which compound is the limiting reactant and how much excess reagent is left over? Calculate final temp of water when a 3.00 g piece of iron at 85.0 c (Specific heat: 0.45 J/g C: density- 7.05 g/mL) is added to 35.0 mL of water (initial temp is 22.5°C). Density of water: 1.00g/mL; Specific heat of water: 4.18 J/g °C Calculate the standard Enthalpy change for the reaction :Gaseous hydrogen chloride (-92.3kJ/mole)plus solid sodium hydroxide (-425.6 kJ/mole) yields solid sodium chloride(- 410.9 kJ/mole) and liquid water(-285.8 kJ/mole) How would you prepare 500.0mL of a 0.250M potassium chloride solution if you have a bottle of solid potassium chloride? Show cals and sketch the procedure. What is the name of the following equation: MiV MaV2; define each variable How would you prepare 500,.0 ml f a 0,250M sodium hydroxide solution from a stock of 2.500M sodium hydroxide solution. Show cals and sketch the procedure. Calculate the M hydrochloric acid if 20.0 ml of 0.500 M sodium hydroxide is used to titrate(Neutralize) 20.0mL of the hydrochlorie acid. (WRITE REACTION First; this is not an mlvl-m2v2 question) Describe thoroughly the trend for radius and ionization for atoms in a period Row) (use two atoms as examples) ueous Copper(II) sulfate and solid zinc react to produce aqueous zinc sulfate and pure copper Write the reaction with phase labels; show the ion and element charges using the periodic table(proton and electro counts) and label with redox labels. Solid potassium chlorate decomposes into solid potassium chloride and oxygen gas. Write reaction with phase labels. How many grams of oxygen is produced if 0.200 L of oxygen is collected over water at 27.0 °C and 765 Torr. The vapor many grams of solid potassium chlorate required to produce the oxygen? pressure of water is 26.0 Torr. How Calcium carbonate (marble chips) reacts with hydrochloric acid to produce carbon dioxide gas, water and calcium chloride. Write the reaction. What volume of gas can be generated at STP from 3.00 grams of marble chips? (use stoichiometry and Ideal gas law to solve). of dry ice sublimes Write the reaction. What is the volume of carbon dioxide gas at 2.0cm STP? Density of dry ice is 1.60g/mL
Calculate the pH and Ka of 0.10 M HCI in water assuming 9999% ¡onization of the HCI in water (show rxn; ICE table) Calculate the pH and Ka of 0.10 M Acteic acid in water assuming 1.3% ionization in water (show rxn; ICE table) Combustion of 19.81 mg of an industrial acid produces 41.98 mg CO2, and 6.45 mg H20. Ir 0.250 mol of the acid has a mass of 41.5 g, determine the empirical and molecular formula of the acid. What are the four main intermolecular attractions (forces; name, kJ/mole, examples and sketches) How much energy do you need to heat a half a liyrt of water from 20.0°C to 90.0°C? Specific heat of water: 4.18 J/g °C Calculate final temp of water when a 2.00 g piece of iron at 75.0°C (Specific heat: 0.45 J/g eml ) is added to 30.0 mL. of waterinitial temp is 22.5 C). Density of water: 1.00gml; Specific heat of water. 4.18 J/g °C C; density 7.05 Calculate final temp of water when a 10.0g piece of iron at 2 0rC (coldt) (Specifie heat: 0.45 1g C: density Density of water: 1.00g/mL: Specific heat of = 7.05 g/mL ) is added to 30.0 mL of water( initial temp is 22.5 C) water: 4.18 J/g °C Calculate the standard Enthalpy change at 25.0°C for the following reactions :p these two examples; for test I will give you the values lease look up values at home for Gaseous hydrogen chloride plus solid sodium hydroxide yields solid sodium chloride and liquid water pleas Gaseous water plus graphite yields hydrogen gas plus carbon dioxide gas Octane liquid plus oxygen gas yields carbon dioxide gas and steam Draw the phase diagram for water. label thoroughly Draw the phase diagram for carbon dioxide and. label thoroughly Define vapor pressure and boiling point for liquids and indicate factors that affect boiling points.
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