Homework Answers
Add Answer to:
CHM 2045L- Heat Effects and Calorimetry Post-Lab Sheet: Heat Effects and Calorimetry Name: Show calculations for...
37) A student attempts to determine the specific heat of a metal by conducting a calorimetry...
37) A student attempts to determine the specific heat of a metal by conducting a calorimetry experiment. The student heats 250 g of the unknown metal to a temperature of 38 C. They then place the metal into a calorimeter which contains 100 g of water at 21°C. The maximum temperature of the water rises to 27°C. a) What is the heat gained by the water in the calorimeter? Specific heat of water is 4.18 J/g'C. (5 points) b) What...
A 17.0 g piece of aluminum (which has a molar heat capacity of 24.03 J/°C·mol) is...
A 17.0 g piece of aluminum (which has a molar heat capacity of 24.03 J/°C·mol) is heated to 82.4°C and dropped into a calorimeter containing water (specific heat capacity of water is 4.18 J/g°C) initially at 22.3°C. The final temperature of the water is 25.3°C. Ignoring significant figures, calculate the mass of water in the calorimeter.
Student Name Course/Section Instructor Date POST LAB QUESTIONS luminum is 0.90 J/g-. How much heat must...
Student Name Course/Section Instructor Date POST LAB QUESTIONS luminum is 0.90 J/g-. How much heat must be added to a 245-gram of this heat is used to heat the aluminum pot containing 556 grams of water to raise l. The spec the temperat pot? 2. For each of the following experimental errors clearly state if the error would increase, decrease, or have no effect on the specific heat that you determined in today's experiment You must explain your reasoning. (e)...
A 92.5 g piece of aluminum (which has a molar heat capacity of 24.03]/°C-mol) is heated...
A 92.5 g piece of aluminum (which has a molar heat capacity of 24.03]/°C-mol) is heated to 624°C and dropped into a calorimeter containing water (specific heat capacity of water is 4.18 J/g°C) initially at 19.2°C. The final temperature of the water is 135.2°C. Ignoring significant figures, calculate the mass of water in the calorimeter.
Heat Flow and Calorimetry Prelab Questions Section: Name: 1. Prepare for It! Prelab Question A A...
Heat Flow and Calorimetry Prelab Questions Section: Name: 1. Prepare for It! Prelab Question A A 235.0 g sample of metal is heated to 100.0C and poured into a calorimeter containing 50.0 g of water at 20.5°c. The equilibrium temperature of the water and metal is 30.5 C. Using the specific heat of water, 4.18 J/goC, determine the specific heat of the metal from equation 3. Use equation 5 to find the approximate molar mass of the metal. Show your...
Name Section Experiment 14 Data and Calculations: Heat Effects and Calorimetry A. Specific Heat Trial 1...
Name Section Experiment 14 Data and Calculations: Heat Effects and Calorimetry A. Specific Heat Trial 1 Mass of stoppered test tube plus metal Mass of test tube and stopper Mass of calorimeter 7.2 g Mass of calorimeter and water 46-1 Mass of water 40-0 Mass of metal 113.6 21.2 . °c Initial temperature of water in calorimeter Initial temperature of metal (assume 100°C unless directed to do otherwise) 100 °c Equilibrium temperature of metal and water in calorimeter 25.1 3.9...
find missing blanks please! Experiment 14 Data and Calculations: Heat Effects and Calorimetry A.Specific Heat Trial...
find missing blanks please!
Experiment 14 Data and Calculations: Heat Effects and Calorimetry A.Specific Heat Trial 1 Trial 2 34.564& 34.56 g Mass of stoppered test tube plus metal 25.734 g 25.734 Mass of test tube and stopper 9.1S0 Mass of calorimeter 9.ISo 4.692 8 Mass of calorimeter and water 48,940 Mass of water Mass of metal 23.6 23.6 C Initial temperature of water in calorimeter Initial temperature of metal (assume 100°C unless directed to do otherwise) Equilibrium temperature of...
In this virtual lab, you will use coffee cup calorimetry to determine the specfic heat, c,...
In this virtual lab, you will use coffee cup calorimetry to determine the specfic heat, c, of a metal Heating the metal Imagine that, in lab, you record the mass of a piece of metal, Mmetal, as 3 mnctal 45.00 g In the next step of the lab (as shown in the animation to the left) you heat up the piece of metal. Play the animation, and record the metal's highest temperature, Tmeta Number metal84 o C OHot Plate Reset...
o prase Ul Water to 2. What is the heat, q, required to melt 10 grams...
o prase Ul Water to 2. What is the heat, q, required to melt 10 grams of ice in a) Joules b) calories? 122.3 °C). The goC. Assuming -4.18 /(8°C) 3. A piece of metal weighing 49.047 g was heated to 100.0 °C and then put it into 100.0 m water initially at 22.3 °C). The metal and water were allowed to come to an equilibu temperature, determined to be 27.8 °C. Assuming no heat lost to the environment, calculat...
B. 10 points In the Calorimetry lab you determined an experimental value for the heat of...
B. 10 points In the Calorimetry lab you determined an experimental value for the heat of fusion of ice. The density of water is exactly 1 g/mL ATater is the temperature change of the water after the ice cube has melted. Tr-T, ke ATal is the total temperature change of the calorimeter Tr T, cal Use the data in the table to determine an experimental value for AHsi Determine a percent error if the known value is 6.02 kJ/mole Show...
37) A student attempts to determine the specific heat of a metal by conducting a calorimetry experiment. The student heats 250 g of the unknown metal to a temperature of 38 C. They then place the metal into a calorimeter which contains 100 g of water at 21°C. The maximum temperature of the water rises to 27°C. a) What is the heat gained by the water in the calorimeter? Specific heat of water is 4.18 J/g'C. (5 points) b) What...
Student Name Course/Section Instructor Date POST LAB QUESTIONS luminum is 0.90 J/g-. How much heat must be added to a 245-gram of this heat is used to heat the aluminum pot containing 556 grams of water to raise l. The spec the temperat pot? 2. For each of the following experimental errors clearly state if the error would increase, decrease, or have no effect on the specific heat that you determined in today's experiment You must explain your reasoning. (e)...
A 92.5 g piece of aluminum (which has a molar heat capacity of 24.03]/°C-mol) is heated to 624°C and dropped into a calorimeter containing water (specific heat capacity of water is 4.18 J/g°C) initially at 19.2°C. The final temperature of the water is 135.2°C. Ignoring significant figures, calculate the mass of water in the calorimeter.
Heat Flow and Calorimetry Prelab Questions Section: Name: 1. Prepare for It! Prelab Question A A 235.0 g sample of metal is heated to 100.0C and poured into a calorimeter containing 50.0 g of water at 20.5°c. The equilibrium temperature of the water and metal is 30.5 C. Using the specific heat of water, 4.18 J/goC, determine the specific heat of the metal from equation 3. Use equation 5 to find the approximate molar mass of the metal. Show your...
Name Section Experiment 14 Data and Calculations: Heat Effects and Calorimetry A. Specific Heat Trial 1 Mass of stoppered test tube plus metal Mass of test tube and stopper Mass of calorimeter 7.2 g Mass of calorimeter and water 46-1 Mass of water 40-0 Mass of metal 113.6 21.2 . °c Initial temperature of water in calorimeter Initial temperature of metal (assume 100°C unless directed to do otherwise) 100 °c Equilibrium temperature of metal and water in calorimeter 25.1 3.9...
find missing blanks please!
Experiment 14 Data and Calculations: Heat Effects and Calorimetry A.Specific Heat Trial 1 Trial 2 34.564& 34.56 g Mass of stoppered test tube plus metal 25.734 g 25.734 Mass of test tube and stopper 9.1S0 Mass of calorimeter 9.ISo 4.692 8 Mass of calorimeter and water 48,940 Mass of water Mass of metal 23.6 23.6 C Initial temperature of water in calorimeter Initial temperature of metal (assume 100°C unless directed to do otherwise) Equilibrium temperature of...
In this virtual lab, you will use coffee cup calorimetry to determine the specfic heat, c, of a metal Heating the metal Imagine that, in lab, you record the mass of a piece of metal, Mmetal, as 3 mnctal 45.00 g In the next step of the lab (as shown in the animation to the left) you heat up the piece of metal. Play the animation, and record the metal's highest temperature, Tmeta Number metal84 o C OHot Plate Reset...
o prase Ul Water to 2. What is the heat, q, required to melt 10 grams of ice in a) Joules b) calories? 122.3 °C). The goC. Assuming -4.18 /(8°C) 3. A piece of metal weighing 49.047 g was heated to 100.0 °C and then put it into 100.0 m water initially at 22.3 °C). The metal and water were allowed to come to an equilibu temperature, determined to be 27.8 °C. Assuming no heat lost to the environment, calculat...
B. 10 points In the Calorimetry lab you determined an experimental value for the heat of fusion of ice. The density of water is exactly 1 g/mL ATater is the temperature change of the water after the ice cube has melted. Tr-T, ke ATal is the total temperature change of the calorimeter Tr T, cal Use the data in the table to determine an experimental value for AHsi Determine a percent error if the known value is 6.02 kJ/mole Show...
Most questions answered within 3 hours.
-
Identify and describe in detail the four categories of
institutions that could be included in a...
asked 1 minute ago -
In python
class Customer:
def __init__(self, customer_id, last_name, first_name, phone_number, address):
self._customer_id = int(customer_id)
self._last_name =...
asked 9 minutes ago -
What is an example of a limitation in implementing a new
ERP system and how it...
asked 4 minutes ago -
In a section of 9.7cm of an artery with a radius of 2.6mm there
is a...
asked 5 minutes ago -
the two carboxylic acid groups of aspartic acid have different
acidities with pKa values of 2.1...
asked 9 minutes ago -
Would CuCO3 aqueous salt combined with calcium chloride
form a solid precipitate? If so, what would...
asked 8 minutes ago -
How do ECM Solutions assist in embedding a culture of continuous
improvement in an organization? (Project...
asked 28 minutes ago -
Directions
These directions introduce the idea of Essential Questions.
Since this may be a new concept...
asked 30 minutes ago -
1.b. Fiscal policy is said to suffer from ‘crowding out’.
Explain what this means and why...
asked 48 minutes ago -
The equation for the reaction of nitrogen and oxygen to form
nitrogen oxide is written as...
asked 52 minutes ago -
A scientist reproducing some photoelectric effect experiments
shines a light on a metal electrode, but doesn't...
asked 55 minutes ago -
In a study designed to test the effectiveness of magnets for
treating back pain, 35 patients...
asked 1 hour ago