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1) The heat of solution (delta H) For sodium hydroxide is -44.5 kJ/mol calculate the amount...
The AH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol....
The AH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When a 13.9-g sample of NaOH dissolves in 250.0 g of water in a coffee-cup calorimeter, the temperature increases from 23.0 °C to °C. Assume that the solution has the same specific heat as liquid water. Given the data in the table below, calculate the AH° for the combustion of ammonia NH3(g) + O2(g) → NO(g) + H2O(1) AH?” (kJ/mol) - 286 90 Substance...
What is the final temperature of the solution when 4.806 g of sodium hydroxide is dissolved in 100.0 mL of water at an i...
What is the final temperature of the solution when 4.806 g of sodium hydroxide is dissolved in 100.0 mL of water at an initial temperature of 24.5 C?. The density of water is 0.9969 g/cm3, and the heat capacity is 4.184 J/C. The enthalpy of dissolution for sodium hydroxide is -44.2 kJ/mol.
calculate delta h neutralization in joules per mole for the reaction of 1.00 mol of hno3...
calculate delta h neutralization in joules per mole for the
reaction of 1.00 mol of hno3 with 1.00 mol of naoh
0.0 mL of 1.00M HNO, with 50.5 mL of 1.00M Calculate the heat transferred from the reaction of 50,0 mL of 1.00M HNO, with 50.5 ML OL NaOH solution. Assume the heat capacity of the mixture is 3.89 J 8 deg. (6) Calculate the number of moles of HNO, reacting when 50.0 mL of 1.00M HNO3 and 50.5 mL...
Part A When a 1.78 g sample of solid sodium hydroxide was dissolved in a calorimeter...
Part A When a 1.78 g sample of solid sodium hydroxide was dissolved in a calorimeter in 60.0 g of water, the temperature rose from 4.2 °C to 40.8 °C . Calculate AH (in kJ/mol NaOH) for the following solution process: NaOH(s)- Na (aq) +OH (aq) Assume that it's a perfect calorimeter and that the specific heat of the solution is the same as that of pure water. ΑΣφ ? kJ/mol
When a 3.11 g sample of solid sodium hydroxide was dissolved in a calorimeter in 130.0...
When a 3.11 g sample of solid sodium hydroxide was dissolved in a calorimeter in 130.0 g of water, the temperature rose from 18.9 oC to 31.3 o C . Calculate Δ H (in kJ/mol NaOH ) for the following solution process: NaOH(s)→Na+(aq)+OH−(aq). Assume that it’s a perfect calorimeter and that the specific heat of the solution is the same as that of pure water.
If 0.050 mol hydrochloric acid (HCl) is mixed with 0.050 mol of sodium hydroxide (NaOH) in...
If 0.050 mol hydrochloric acid (HCl) is mixed with 0.050 mol of sodium hydroxide (NaOH) in a "coffee cup" calorimeter, the temperature of 1.41 × 102 g of the resulting solution increases from 25.2°C to 31.3°C. If the specific heat of the solution is 1.00cal/g·°C, calculate the quantity of energy involved in the reaction.
25. When 5.35 g of slid sodium hydroxide was dissolved in a calorimeter containing 100 g...
25. When 5.35 g of slid sodium hydroxide was dissolved in a calorimeter containing 100 g of water, the temperature rose from 20.5 C to 28.6"C. calculate the ? H ( in KJ/mol NaOH) for the following solution process: NaOH (s)Na (aq) OH (aq) Assume that it is a perfect calorimeter and that the specific heat of the lution is the same as that of pure water (4.184 J/g °C).
Compound Δ Hrxn (kJ/mol) NH4NO3 + 25.7 KCl + 17.2 NaOH -44.5 KOH -57.6 You are...
Compound Δ Hrxn (kJ/mol) NH4NO3 + 25.7 KCl + 17.2 NaOH -44.5 KOH -57.6 You are given 6.9 grams of an unknown salt. You dissolve it in 56.5 mL of water. As the salt dissolves, the temperature of the solution changes from an initial temperature of 28.9°C to a final temperature of 22.9°C. Based on the chart of ΔH values and the temperature change, you can determine which salt you have. What is the temperature change? Δ T = o C...
D 2. When 7.29 g hydrochloric acid (36.46 g/mol) and 8.00 g sodium hydroxide (40.00 g/mol)...
D 2. When 7.29 g hydrochloric acid (36.46 g/mol) and 8.00 g sodium hydroxide (40.00 g/mol) are mixed in 250.0 g water, the temperature of the solution increases by 10.3°C. Assume that the heat capacity of the solution is 4.18 J/(g °C). What is the molar enthalpy of neutralization of HCl by NaOH? 57.1 kJ/mol -57.1 kJ/mol 53.8 kJ/mol -53.8 kJ/mol 28.6 kJ/mol
1 mol 1. Using dimensional analysis, calculate the number of moles of NaOH (nou) used in...
1 mol 1. Using dimensional analysis, calculate the number of moles of NaOH (nou) used in reaction #1 (show your work): NaOH (mol) = mnao (9) Where non is MM NaOH (9) the number of moles NaOH, mNaOH is the mass of sodium hydroxide used, and MMNOH is the molar mass of sodium hydroxide. 2. Using the density of water (d != 1.000.), calculate the mass of the 50.0 g water used in reaction #1 using: mwater = Vwater X...
The AH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When a 13.9-g sample of NaOH dissolves in 250.0 g of water in a coffee-cup calorimeter, the temperature increases from 23.0 °C to °C. Assume that the solution has the same specific heat as liquid water. Given the data in the table below, calculate the AH° for the combustion of ammonia NH3(g) + O2(g) → NO(g) + H2O(1) AH?” (kJ/mol) - 286 90 Substance...
calculate delta h neutralization in joules per mole for the
reaction of 1.00 mol of hno3 with 1.00 mol of naoh
0.0 mL of 1.00M HNO, with 50.5 mL of 1.00M Calculate the heat transferred from the reaction of 50,0 mL of 1.00M HNO, with 50.5 ML OL NaOH solution. Assume the heat capacity of the mixture is 3.89 J 8 deg. (6) Calculate the number of moles of HNO, reacting when 50.0 mL of 1.00M HNO3 and 50.5 mL...
Part A When a 1.78 g sample of solid sodium hydroxide was dissolved in a calorimeter in 60.0 g of water, the temperature rose from 4.2 °C to 40.8 °C . Calculate AH (in kJ/mol NaOH) for the following solution process: NaOH(s)- Na (aq) +OH (aq) Assume that it's a perfect calorimeter and that the specific heat of the solution is the same as that of pure water. ΑΣφ ? kJ/mol
25. When 5.35 g of slid sodium hydroxide was dissolved in a calorimeter containing 100 g of water, the temperature rose from 20.5 C to 28.6"C. calculate the ? H ( in KJ/mol NaOH) for the following solution process: NaOH (s)Na (aq) OH (aq) Assume that it is a perfect calorimeter and that the specific heat of the lution is the same as that of pure water (4.184 J/g °C).
D 2. When 7.29 g hydrochloric acid (36.46 g/mol) and 8.00 g sodium hydroxide (40.00 g/mol) are mixed in 250.0 g water, the temperature of the solution increases by 10.3°C. Assume that the heat capacity of the solution is 4.18 J/(g °C). What is the molar enthalpy of neutralization of HCl by NaOH? 57.1 kJ/mol -57.1 kJ/mol 53.8 kJ/mol -53.8 kJ/mol 28.6 kJ/mol
1 mol 1. Using dimensional analysis, calculate the number of moles of NaOH (nou) used in reaction #1 (show your work): NaOH (mol) = mnao (9) Where non is MM NaOH (9) the number of moles NaOH, mNaOH is the mass of sodium hydroxide used, and MMNOH is the molar mass of sodium hydroxide. 2. Using the density of water (d != 1.000.), calculate the mass of the 50.0 g water used in reaction #1 using: mwater = Vwater X...
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