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- Reauct 2 CHE 1341 Dr. Samoylenko Homework #3 • YOUR NAME Problem 7 A hot...
3. A 32.520 g piece of unknown metal was heated in a hot water bath at 99.80°C. The hot metal was then transferred...
3. A 32.520 g piece of unknown metal was heated in a hot water bath at 99.80°C. The hot metal was then transferred to a coffee-cup calorimeter containing 100.0 mL of water. Time-Temperature data was collected and plotted. From the plot, the initial and final tem- peratures for the water were determined to be T 23.76°C and T 26.18°C. and qse (Assume C 21.0 J°C.) a. Calculate cal b. Calculate qnetal Calculate cmetal d. Calculate the molar mass for the...
PRE-LAB QUESTIONS: Name: Date: Partner's Name: 1) A 19.29 g of unknown metal is heated to...
PRE-LAB QUESTIONS: Name: Date: Partner's Name: 1) A 19.29 g of unknown metal is heated to 99.7 "C in a hot water bath. The quickly transferred to a calorimeter containing 500 ml of water at 23 The temperature for the mi (Density of water 1.0 g/mL) metal sample is final maximum xture, from the graph, is 26.4 °C. What is the specific heat of the metal? 2) During the experiment (finding specific heat of unknown metal), when hot metal is...
Homework problems: Chapter 10 1. Please convert temperature 25°C to Fahrenheit scale and Kelvin scale. 2....
Homework problems: Chapter 10 1. Please convert temperature 25°C to Fahrenheit scale and Kelvin scale. 2. a) How much heat is needed to warm up a 1000-g steel block from 20°C to 100 °C? (c-0.11cal/ec) b) How much heat is needed to warm up a 1000-g water from 20°C to 100 °C? (c 1.0 cal/g°C) 3. a) In a thermodynamic system, gas expends from 1 m3 to 3 m3 while keeping a constant pressure 5000 Pa. How much work is...
When boiling water, a hot plate takes an average of 7 minutes (min) and 16 seconds...
When boiling water, a hot plate takes an average of 7 minutes (min) and 16 seconds [s] to boil 150 milliliters [ml] of water. Assume the temperature in the lab is 78 degrees Fahrenheit (°F). The hot plate is rated to provide 379 watts [W]. If we wish to boil 150 milliliters (ml) of acetone using this same hot plate, how long do we expect the process to take? Acetone has a boiling point of 56 degrees Celsius [°C]. [Hint:...
inMACII Page 1: Question 4 (1 point) 2 3 1 The aluminum cup inside your calorimeter...
inMACII Page 1: Question 4 (1 point) 2 3 1 The aluminum cup inside your calorimeter weighs 41.55 g. You add 59.21 g of 1.0 M acetic acid solution and 50.03 g of 1.0 M sodium hydroxide solution to the calorimeter. Both solutions have an initial temperature of 19.9 °C, and the final 5 4 temperature after addition is 26.8 °C. What is the molar enthalpy of neutralization, in units of kJ/mol? Assume that: the calorimeter is completely insulated the...
#2 please ! Ro le Astronomy 1F03 Problem Set 3 Thursday, Nov 10th, 2019 Write your...
#2 please !
Ro le Astronomy 1F03 Problem Set 3 Thursday, Nov 10th, 2019 Write your answers on a separate sheet and show your work 1. The protesproton chain effectively c erta hyre en into hem according to 4 He. A Helium wus weighs 6.64518 x 10 IT kg and Hydrogen mucha proton) welches 1.67262 x 10 Workout the change in a when I kg of Hydrogen is converted completely into Helium 4. Convert the change in mass Per burning...
3. A 32.520 g piece of unknown metal was heated in a hot water bath at 99.80°C. The hot metal was then transferred to a coffee-cup calorimeter containing 100.0 mL of water. Time-Temperature data was collected and plotted. From the plot, the initial and final tem- peratures for the water were determined to be T 23.76°C and T 26.18°C. and qse (Assume C 21.0 J°C.) a. Calculate cal b. Calculate qnetal Calculate cmetal d. Calculate the molar mass for the...
PRE-LAB QUESTIONS: Name: Date: Partner's Name: 1) A 19.29 g of unknown metal is heated to 99.7 "C in a hot water bath. The quickly transferred to a calorimeter containing 500 ml of water at 23 The temperature for the mi (Density of water 1.0 g/mL) metal sample is final maximum xture, from the graph, is 26.4 °C. What is the specific heat of the metal? 2) During the experiment (finding specific heat of unknown metal), when hot metal is...
Homework problems: Chapter 10 1. Please convert temperature 25°C to Fahrenheit scale and Kelvin scale. 2. a) How much heat is needed to warm up a 1000-g steel block from 20°C to 100 °C? (c-0.11cal/ec) b) How much heat is needed to warm up a 1000-g water from 20°C to 100 °C? (c 1.0 cal/g°C) 3. a) In a thermodynamic system, gas expends from 1 m3 to 3 m3 while keeping a constant pressure 5000 Pa. How much work is...
When boiling water, a hot plate takes an average of 7 minutes (min) and 16 seconds [s] to boil 150 milliliters [ml] of water. Assume the temperature in the lab is 78 degrees Fahrenheit (°F). The hot plate is rated to provide 379 watts [W]. If we wish to boil 150 milliliters (ml) of acetone using this same hot plate, how long do we expect the process to take? Acetone has a boiling point of 56 degrees Celsius [°C]. [Hint:...
inMACII Page 1: Question 4 (1 point) 2 3 1 The aluminum cup inside your calorimeter weighs 41.55 g. You add 59.21 g of 1.0 M acetic acid solution and 50.03 g of 1.0 M sodium hydroxide solution to the calorimeter. Both solutions have an initial temperature of 19.9 °C, and the final 5 4 temperature after addition is 26.8 °C. What is the molar enthalpy of neutralization, in units of kJ/mol? Assume that: the calorimeter is completely insulated the...
#2 please !
Ro le Astronomy 1F03 Problem Set 3 Thursday, Nov 10th, 2019 Write your answers on a separate sheet and show your work 1. The protesproton chain effectively c erta hyre en into hem according to 4 He. A Helium wus weighs 6.64518 x 10 IT kg and Hydrogen mucha proton) welches 1.67262 x 10 Workout the change in a when I kg of Hydrogen is converted completely into Helium 4. Convert the change in mass Per burning...
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