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Calculate AM o for the compound Nizoz given, 2 Nias) + 0.11 O2 (g) Niros (s)...
Calculate ΔHf for Ni2O3. Given: Equation: 2 Ni (s) + 11/2 O2 (g) --> Ni2O3 (the...
Calculate ΔHf for Ni2O3. Given: Equation: 2 Ni (s) + 11/2 O2 (g) --> Ni2O3 (the O's are like the letter Oxygen not zero's) Mass of Calorimeter: 6,000g Sp of calorimeter: 0.44 J/g°C Mass of water: 12,000g Sp of water: 4.18 J/g°C #g Ni used: 19.33g #g O2 used: 7.99g initial temperature: 21.45 °C final temperature: 24.63°C
Calculate final temp of water when a 3.00 g piece of iron at 85.0°C (Specific heat...
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 gmL ) 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 oC
Using the equations Ca (s)2 O (g) Сао (s) 2 H2 (g) Determine the enthalpy for...
Using the equations Ca (s)2 O (g) Сао (s) 2 H2 (g) Determine the enthalpy for the reaction Са (s) + 2 H0 () — Са(ОН)2 (s) + H2 (9). CaO (s) AH° = -635 kJ/mol -64 kJ/mol H2O ()Ca(OH)2 (s) AH O2 (g)2 H2O (I) AH° = -572 kJ/mol kJ/mol 1 2 3 4 6 C 5 7 8 9 +/- 0 x 100 LO 11.01 g of MgSO4 is placed into 100.0 mL of water. The water's temperature...
Trial #2 1. Identity of metal 2. Accepted specific heat value of metal J/g. C J/g.C...
Trial #2 1. Identity of metal 2. Accepted specific heat value of metal J/g. C J/g.C 3. Mass of metal Trial #1 zinc 0.385 $7.91 g 100 °C 137.0 22 c 4. Initial temp. of metal 5. Mass of water 6. Initial temp. of water 7. Final temp. of water and metal mixture 25.5 c Show all work for the following calculations. 8. Calculate the experimental specific heat value for Trial #1 - metal = Q water -(mass of metal)(specific...
A cup contains 154g of liquid h20 at 99 C. Calculate the heat released in kilojoules...
A cup contains 154g of liquid h20 at 99 C. Calculate the heat released in kilojoules if the cup and water cool to 21 C. Specific heat of the cup is 45 J/C. Specific heat of water is 4.18 J/g*C. Assume that the specific heats of the cup and the water are temperature invariant and that the water and the cup remain at thermal equilibrium . how do I calculate heat released
You dissolve 3.0 g of CaCl (s) in 140.0 g of water in a constant pressure...
You dissolve 3.0 g of CaCl (s) in 140.0 g of water in a constant pressure calorimeter of negligible heat capacity. The reaction is: CaCl(s) Ca (aq) +2CI (aq) 2. The initial temperature of the water is 22.4 °C and upon dissolution of the compound the temperature of the solution rises to 25.8 °C. (15 points total) What is the heat of this reaction per mole of CaCl; (molar mass 110.98 g/mol), assuming the specific heat of the solution is...
tullile Heat Capacity of Niekel Coins Data Sheet Partner's Name Trial Trial 2 Mass of Nickel...
tullile Heat Capacity of Niekel Coins Data Sheet Partner's Name Trial Trial 2 Mass of Nickel Coins () Volume of water used (mL) Mass of water used (g) Trial 3 9a,60n 20.0 69.934 Initial Temperature of Nickel Coins (Nickel Coins 90℃ 20° C 28℃ 28°c 10°C 20℃ 29℃ temp, before transfer) (C) | Initial Temperature of Water (Water temp before transfer) (C) Final Temperature of Nickel Coins (C) Final Temperature of Water AT of nickel coins (°C) AT of water...
experiment 1: determination of specific heat of a metal Data Sheet Table 2. Mass Mass (g)...
experiment 1: determination of specific heat of a metal Data Sheet Table 2. Mass Mass (g) Water 49.2 g Unknown Metal Strip 9.6 g Table 3. Temperature Data Time Temperature (°C) Trial 1 Temperature (°C) Trial 2 Temperature (°C) Trial 3 Initial Temp Water (Ti (water)) 16 C 17 C 17 C Initial Temp Metal (Ti (metal)) 76 C 86 C 85 C 1 minute 17 C 17 C 17.5 C 2 minutes 17 C 17 C 17.5 C 3...
1. Calculate the heat required to melt 5.4 g of naphthalene, C.H. AH, -18.8kJ /mol 2....
1. Calculate the heat required to melt 5.4 g of naphthalene, C.H. AH, -18.8kJ /mol 2. Ice at -10.0° C is combined with 50.0g of water at 75.0°C. Calculate the grams of ice present initially if the entire mixture comes to a final temperature of 25.0°C after the ice melts. Specific heat of water is 4.18 J/gºC, AH, = 334J/g Specific heat of water is 4.18 J/gºC, AH, = 3341/8 2. Consider the phase diagram of compound Z below: a....
An unknown compound has a molar mass of 245 g/mol and an enthalpy of solvation of...
An unknown compound has a molar mass of 245 g/mol and an enthalpy of solvation of 13 kJ/mol. What is the final temperature of 273 mL of water with an initial temperature of 55 °C, if a student completely dissolves 19 grams of the unknown compound? (heat capacity of water = 4.18 J/g °C)
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 gmL ) 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 oC
Using the equations Ca (s)2 O (g) Сао (s) 2 H2 (g) Determine the enthalpy for the reaction Са (s) + 2 H0 () — Са(ОН)2 (s) + H2 (9). CaO (s) AH° = -635 kJ/mol -64 kJ/mol H2O ()Ca(OH)2 (s) AH O2 (g)2 H2O (I) AH° = -572 kJ/mol kJ/mol 1 2 3 4 6 C 5 7 8 9 +/- 0 x 100 LO 11.01 g of MgSO4 is placed into 100.0 mL of water. The water's temperature...
Trial #2 1. Identity of metal 2. Accepted specific heat value of metal J/g. C J/g.C 3. Mass of metal Trial #1 zinc 0.385 $7.91 g 100 °C 137.0 22 c 4. Initial temp. of metal 5. Mass of water 6. Initial temp. of water 7. Final temp. of water and metal mixture 25.5 c Show all work for the following calculations. 8. Calculate the experimental specific heat value for Trial #1 - metal = Q water -(mass of metal)(specific...
You dissolve 3.0 g of CaCl (s) in 140.0 g of water in a constant pressure calorimeter of negligible heat capacity. The reaction is: CaCl(s) Ca (aq) +2CI (aq) 2. The initial temperature of the water is 22.4 °C and upon dissolution of the compound the temperature of the solution rises to 25.8 °C. (15 points total) What is the heat of this reaction per mole of CaCl; (molar mass 110.98 g/mol), assuming the specific heat of the solution is...
tullile Heat Capacity of Niekel Coins Data Sheet Partner's Name Trial Trial 2 Mass of Nickel Coins () Volume of water used (mL) Mass of water used (g) Trial 3 9a,60n 20.0 69.934 Initial Temperature of Nickel Coins (Nickel Coins 90℃ 20° C 28℃ 28°c 10°C 20℃ 29℃ temp, before transfer) (C) | Initial Temperature of Water (Water temp before transfer) (C) Final Temperature of Nickel Coins (C) Final Temperature of Water AT of nickel coins (°C) AT of water...
1. Calculate the heat required to melt 5.4 g of naphthalene, C.H. AH, -18.8kJ /mol 2. Ice at -10.0° C is combined with 50.0g of water at 75.0°C. Calculate the grams of ice present initially if the entire mixture comes to a final temperature of 25.0°C after the ice melts. Specific heat of water is 4.18 J/gºC, AH, = 334J/g Specific heat of water is 4.18 J/gºC, AH, = 3341/8 2. Consider the phase diagram of compound Z below: a....
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