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points In a perfect calorimeter, 250 g of 0.150 M Na2SO4 and 500 g of 0.075...
36. How much heat is gained by nickel when 500 g of nickel is warmed from...
36. How much heat is gained by nickel when 500 g of nickel is warmed from 22.4 to 584"C? me specific 0.444 J/KB C). 37. Given the following data of the standard enthalpy changes, find the heat required for the reaction converting solid sulfur to gaseous sulfur at 298 K and I atm pressure. heat of nickel is A) 2000J B 4000 C) 60003D) 8000 E) 100003 A)-1013k/rnol B)+618klmol C)-618 kimiol D)-223 kinol E)+223 kinnol 38. Calculate the standard heat...
You are asked to prepare 500 ml of a 0 250 M acetate Puffer at pH...
You are asked to prepare 500 ml of a 0 250 M acetate Puffer at pH 5.00 using only pure acetic acid (MW = 60.05 g/mol, pKa = 4.76). 3 00 M NaOH, water. Answer the following questions regarding the preparation of the buffer. How many grams of acetic acid will you need to prepare the 500 mL buffer? Note that the given concentration of acetate refers to the concentration of all acetate species in solution. What volume of 3.00...
5) Adding 0.150 s of Mg metal to 95.00 ml of 1,000 M HCI in a...
5) Adding 0.150 s of Mg metal to 95.00 ml of 1,000 M HCI in a coffiee-cup calorimeter leads to a temperature increase of 0.831 "C Assume that the specific heat and density of the resuhting solution water, 4.18 VE'C) and 1.00 g/mL, respectively and assume that no heat is lost to are equal to those o surroundings. What is the molar heat of reaction, AH to obtain partial credit.) for the reaction below? twrine equations in order a) (2...
4. A styrofoam-cup calorimeter containing 150 g of water is calibrated by generating 1770 J of...
4. A styrofoam-cup calorimeter containing 150 g of water is calibrated by generating 1770 J of heat within it. The temperature increases by 1.67°C. What is the calorimeter constant Ccal (heat capacity of the calorimeter)? c(H20) = 4.184 Jg='K 5. A constant-pressure calorimeter, Where Ccal = 192 JK I. contains 100.0 mL of a 0.200 M aqueous solution of AgNO3. The temperature of the calorimeter and its contents is 22.30°C. Upon addition of 100.0 mL of 0.200 M solution of...
56,57,58,59,60,61,62 56) For the reaction 3H2(g) + N2(g)s-2NH(g), determine the equilibrium constant at 600°C if at this temperature, the equilibrium concentrations are: [N2 453 M; H:-2.49 M and [...
56,57,58,59,60,61,62
56) For the reaction 3H2(g) + N2(g)s-2NH(g), determine the equilibrium constant at 600°C if at this temperature, the equilibrium concentrations are: [N2 453 M; H:-2.49 M and [NHs] 7.62 M 57) When a sample of aqueous hydrochloric acid was neutralized with aqueous sodium hydroxide in a calorimeter, the temperature of 100.0 g of water surrounding the reaction increased from 25.0°C to 31.50. If the specific heat of water is 1.00 calV(g.°C), calculate the quantity of energy in calories involved...
Question 6 of 8 > In a constant-pressure calorimeter, 70.0 mL of 0.330 M Ba(OH), was...
Question 6 of 8 > In a constant-pressure calorimeter, 70.0 mL of 0.330 M Ba(OH), was added to 70.0 mL of 0.660 M HCI. The reaction caused the temperature of the solution to rise from 21.82 °C to 26.32 "C. If the solution has the same density and specific heat as water (1.00 g/mL and 4.184J/g. °C.) respectively), what is AH for this reaction (per mole H, O produced)? Assume that the total volume is the sum of the individual...
Part A In the following experiment, a coffee-cup calorimeter containing 100 mL of H2O is used....
Part A In the following experiment, a coffee-cup calorimeter containing 100 mL of H2O is used. The initial temperature of the calorimeter is 23.0 °C. If 3.10 g of CaCl2 is added to the calorimeter what will be the final temperature of the solution in the calorimeter? The heat of solution AHoln of CaCla is -82.8 kJ/mol Assume that the specific heat of the solution formed in the calorimeter is the same as that for pure water. C, 4.184 J/g...
If 1.85 g MgO is combined with enough 1.00 M HCl to make 100.0 mL of...
If 1.85 g MgO is combined with enough 1.00 M HCl to make 100.0 mL of solution in a coffee-cup calorimeter, the temperature of the resulting solution increases from 21.3°C to 35.7 °C. Calculate the enthalpy change for the reaction per mole of Mgo. Assume that the specific heat capacity of the solution is 4.18 J/g.K, and the density of the solution is 1.00 g/mL. A 0.704 g of a pure acid, HA, is dissolved in water and an acid-base...
In a coffee cup calorimeter, 50.0 mL of 1.00 M NaOH and 50.0 mL of 1.00...
In a coffee cup calorimeter, 50.0 mL of 1.00 M NaOH and 50.0 mL of 1.00 M HCl are mixed. Both solutions were originally at 24.6°C. After the reaction, the final temperature is 31.3°C. Given that the density of the NaCl solution is 1.038 g/mL and he specific of NaCl solution is 3.87 J/g-°C, calculate the ΔHneut/mole for the reaction of HCl with NaOH. Assume that no heat is lost to the surroundings. Part A. ) Why are the density...
< Question 11 of 14 > In a constant-pressure calorimeter, 75.0 mL of 0.920 M H2SO4...
< Question 11 of 14 > In a constant-pressure calorimeter, 75.0 mL of 0.920 M H2SO4 was added to 75.0 mL of 0.300 M NaOH. The reaction caused the temperature of the solution to rise from 21.12 °C to 23.16 °C. If the solution has the same density and specific heat as water (1.00 g/mL and 4.184 J/(g · °C), respectively), what is AH for this reaction (per mole of H0 produced)? Assume that the total volume is the sum...
36. How much heat is gained by nickel when 500 g of nickel is warmed from 22.4 to 584"C? me specific 0.444 J/KB C). 37. Given the following data of the standard enthalpy changes, find the heat required for the reaction converting solid sulfur to gaseous sulfur at 298 K and I atm pressure. heat of nickel is A) 2000J B 4000 C) 60003D) 8000 E) 100003 A)-1013k/rnol B)+618klmol C)-618 kimiol D)-223 kinol E)+223 kinnol 38. Calculate the standard heat...
You are asked to prepare 500 ml of a 0 250 M acetate Puffer at pH 5.00 using only pure acetic acid (MW = 60.05 g/mol, pKa = 4.76). 3 00 M NaOH, water. Answer the following questions regarding the preparation of the buffer. How many grams of acetic acid will you need to prepare the 500 mL buffer? Note that the given concentration of acetate refers to the concentration of all acetate species in solution. What volume of 3.00...
5) Adding 0.150 s of Mg metal to 95.00 ml of 1,000 M HCI in a coffiee-cup calorimeter leads to a temperature increase of 0.831 "C Assume that the specific heat and density of the resuhting solution water, 4.18 VE'C) and 1.00 g/mL, respectively and assume that no heat is lost to are equal to those o surroundings. What is the molar heat of reaction, AH to obtain partial credit.) for the reaction below? twrine equations in order a) (2...
4. A styrofoam-cup calorimeter containing 150 g of water is calibrated by generating 1770 J of heat within it. The temperature increases by 1.67°C. What is the calorimeter constant Ccal (heat capacity of the calorimeter)? c(H20) = 4.184 Jg='K 5. A constant-pressure calorimeter, Where Ccal = 192 JK I. contains 100.0 mL of a 0.200 M aqueous solution of AgNO3. The temperature of the calorimeter and its contents is 22.30°C. Upon addition of 100.0 mL of 0.200 M solution of...
56,57,58,59,60,61,62
56) For the reaction 3H2(g) + N2(g)s-2NH(g), determine the equilibrium constant at 600°C if at this temperature, the equilibrium concentrations are: [N2 453 M; H:-2.49 M and [NHs] 7.62 M 57) When a sample of aqueous hydrochloric acid was neutralized with aqueous sodium hydroxide in a calorimeter, the temperature of 100.0 g of water surrounding the reaction increased from 25.0°C to 31.50. If the specific heat of water is 1.00 calV(g.°C), calculate the quantity of energy in calories involved...
Question 6 of 8 > In a constant-pressure calorimeter, 70.0 mL of 0.330 M Ba(OH), was added to 70.0 mL of 0.660 M HCI. The reaction caused the temperature of the solution to rise from 21.82 °C to 26.32 "C. If the solution has the same density and specific heat as water (1.00 g/mL and 4.184J/g. °C.) respectively), what is AH for this reaction (per mole H, O produced)? Assume that the total volume is the sum of the individual...
Part A In the following experiment, a coffee-cup calorimeter containing 100 mL of H2O is used. The initial temperature of the calorimeter is 23.0 °C. If 3.10 g of CaCl2 is added to the calorimeter what will be the final temperature of the solution in the calorimeter? The heat of solution AHoln of CaCla is -82.8 kJ/mol Assume that the specific heat of the solution formed in the calorimeter is the same as that for pure water. C, 4.184 J/g...
If 1.85 g MgO is combined with enough 1.00 M HCl to make 100.0 mL of solution in a coffee-cup calorimeter, the temperature of the resulting solution increases from 21.3°C to 35.7 °C. Calculate the enthalpy change for the reaction per mole of Mgo. Assume that the specific heat capacity of the solution is 4.18 J/g.K, and the density of the solution is 1.00 g/mL. A 0.704 g of a pure acid, HA, is dissolved in water and an acid-base...
< Question 11 of 14 > In a constant-pressure calorimeter, 75.0 mL of 0.920 M H2SO4 was added to 75.0 mL of 0.300 M NaOH. The reaction caused the temperature of the solution to rise from 21.12 °C to 23.16 °C. If the solution has the same density and specific heat as water (1.00 g/mL and 4.184 J/(g · °C), respectively), what is AH for this reaction (per mole of H0 produced)? Assume that the total volume is the sum...
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