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Posted: **Tue Jul 12, 2022 12:57 pm**

: 1 8 Points Calculate The Molar Concentration Of A 2 0 L Solution Containing 8 0 Moles Of Hcl 2 8 Points What Volu 1 (20.12 KiB) Viewed 33 times

: 1 8 Points Calculate The Molar Concentration Of A 2 0 L Solution Containing 8 0 Moles Of Hcl 2 8 Points What Volu 2 (28.8 KiB) Viewed 33 times

: 1 8 Points Calculate The Molar Concentration Of A 2 0 L Solution Containing 8 0 Moles Of Hcl 2 8 Points What Volu 3 (18.63 KiB) Viewed 33 times

: 1 8 Points Calculate The Molar Concentration Of A 2 0 L Solution Containing 8 0 Moles Of Hcl 2 8 Points What Volu 4 (25.54 KiB) Viewed 33 times

1. (8 points) Calculate the molar concentration of a 2.0 L solution containing 8.0 moles of HCL. 2. (8 points) What volume of a 5.9 M HNO, must be used to make 100.0 mL of 0.95 M HNO, solution. 3. (8 points) A solution is prepared by adding 26.5g NaCl to enough water to make a 0.155M solution. What is the volume of the solution?

+ 4. (8 points) A 124.5 g sample of an unknown metal absorbs 1276.25 J of heat, upon which the temperature of the sample increases from 36.3 °C to 61.8 °C. a. Calculate the specific heat capacity of the metal. b. Use the chart to identify the metal Substance Aluminum Brass Lead Magnesium Tin Specific Heat Capacity (c) (J/g °C) 0.900 0.402 0.160 1.017 0.213 1

2. (12 points) Consider the following reaction: 2Cr₂O3(s)→ 4Cr(s) + 302(g) → AH = 2279.4 kJ a. Calculate the amount of heat transferred when 6.0 g Cr₂O3 (s) of is decomposed by this reaction. b. How many grams of Cr will form when 6104.2 kJ of heat is absorbed?

3. (8 points) Given the data in the table below, determine AH for the reaction rxn 4NO(g) + 6H₂O (1)→ 4NH3 (g) + 502 (g) Substance AH (kJ/mol) H₂0 (1) NO (g) NO₂ (g) HNO3(aq) NH3(g) -286 90 34 -207 -46