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can you please help me with this. im really confused specially
on question 2
1. Voice...
would you please review my answers and help me with the ones that not answered because...
would you please review my answers and help me with the ones
that not answered because im stuck. questions 1-9
the mass of water us 3.549g
the initial temp of water is 12.19 degree C
the final temperature of the water is -14.01 degree C
How much of each reactant do you need to rernove enough heat to freeze the water? That is the question you are going to answer. A The system, surroundings and the flow of beat In...
Can you please help me to answer this question? Please provide detailed explanation on how you...
Can you please help me to answer this question? Please provide
detailed explanation on how you get to the answer. Please do not
omit any steps and please explain in detail specially part b. Thank
you very much in advance!
Suppose you have a perfectly insulated container holding 2.00 kg of liquid water at a temperature of 20.0 °C. You also have a large supply of ice cubes which are stored at a temperature of -20.0 °C. a. What is...
thermochemistry
Ba (OH)2 (s) + 2 NH4Cl (s) → BaCl2 (s) + 2 NH3 (g) + 2 H2O (l) DHf° (kJ/mol) -626.56 -314.55 -495.73 -45.90 -285.83 Mass of water5.678 gTi2.33Tf-21.33a. calculate the heat lost when the mass of water (g) cools from Ti to 0 °C. This is q1. This is the change in part A of the graph. b. calculate the heat lost when the mass of...
Prob. 2: Cooling Curve Circle: Emathermier Exothermis?) Cale, the amount of heat this time in calories...
Prob. 2: Cooling Curve Circle: Emathermier Exothermis?) Cale, the amount of heat this time in calories (cal) - Ilse I cal 4184 for conversions) lost or removed From 1.75 mol water as steam at a convert it to solid ice chilled in a freezer to a temperature of 47.2°C Cumulative Heat Lost To do this, follow the above drawn curve to determine the amount of heat lost for each of the five steps of this process to convert superheated steam...
We did the lab of latent heat of fusion of ice, and I am confused that what the 'water equivalent...
We did the lab of latent heat of fusion of ice, and I am
confused that what the 'water equivalent' represents.
I thought it is the amount (kg) of water, but it is
mccc according to this lab manual, which unit
is (J/oC).
Please answer what the water equivalent represents and the unit
of it.
- In this experiment, an ice cube of mass mt, assumed to be at 0°C, is placed in a calorimeter containing a mass of water...
QUESTION 2 A "big" Calorie (Cal) is a heat unit that is equal to the heat...
QUESTION 2 A "big" Calorie (Cal) is a heat unit that is equal to the heat required to raise the temperature of 1 g of water 1 C°. the heat needed to raise the temperature of 1 lb of water 1 F°. the food, or dietary, calorie. the heat of vaporization of 1 kg of pure water. 10 points QUESTION 3 The heat involved in the change of a solid into a liquid, or a liquid into a solid, at...
2. Solid mercury at -89 °C is added to liquid water at 0°C. When the system...
2. Solid mercury at -89 °C is added to liquid water at 0°C. When the system reaches thermal equilibrium all the water is ice and half of the original mercury is liquid. Assume that no heat is lost to the surroundings and find the ratio of the mass of mercury to the mass of water (mHg/m1,0). Melting Point Heat of Fusion Heat Capacity (solid) (°C) (J/kg) (J/kg.Cº 0.10 x 105 140 3.00 x 105 2000 Mercury Water -39 0
8. Use the data in the Introduction calculate the total amount of heat in kcal required...
8. Use the data in the Introduction calculate the total amount of heat in kcal required to turn 100 g of ice at -20°C to steam at 120°C? liq gas equilibrium (heat goes into phase change) Steam - Water and steam allas (heat goes into temperature change) Temperature (°C) all liquid (heat goes into temperature change) -Water Ice and water all solid Nice solid/liq equilibrium (heat goes into phase change) - Time Heat On the 5 sections of the graph...
Please help me answer the following questions given the data that I obtained, and please type...
Please help me answer the following questions given the data
that I obtained, and please type your answer showing step by step
calculations and formulas please
Experiment 2: Conservation of Heat Energy – Analysis and
Discussion
Based on your experimental results, please answer the
following questions:
Given the initial and final volumes of the experiment,
determine the initial mass of the water and the mass of the ice
cube. Show your work. Record your answer in the table above.
Given...
Just really confused with PART C!! I have already solved part A and B. Please help...
Just really confused with PART C!! I have already solved part A
and B. Please help me with C I am super confused! Thanks
In a physics lab students are conducting an experiment to learn about the heat capacity of different materials. The first group is instructed to add 1.5-g lead pellets at a temperature of 92°C to 215 g of water at 16°C. A second group is given the same number of 1.5-9 pellets as the first group, but...
would you please review my answers and help me with the ones
that not answered because im stuck. questions 1-9
the mass of water us 3.549g
the initial temp of water is 12.19 degree C
the final temperature of the water is -14.01 degree C
How much of each reactant do you need to rernove enough heat to freeze the water? That is the question you are going to answer. A The system, surroundings and the flow of beat In...
Can you please help me to answer this question? Please provide
detailed explanation on how you get to the answer. Please do not
omit any steps and please explain in detail specially part b. Thank
you very much in advance!
Suppose you have a perfectly insulated container holding 2.00 kg of liquid water at a temperature of 20.0 °C. You also have a large supply of ice cubes which are stored at a temperature of -20.0 °C. a. What is...
Prob. 2: Cooling Curve Circle: Emathermier Exothermis?) Cale, the amount of heat this time in calories (cal) - Ilse I cal 4184 for conversions) lost or removed From 1.75 mol water as steam at a convert it to solid ice chilled in a freezer to a temperature of 47.2°C Cumulative Heat Lost To do this, follow the above drawn curve to determine the amount of heat lost for each of the five steps of this process to convert superheated steam...
We did the lab of latent heat of fusion of ice, and I am
confused that what the 'water equivalent' represents.
I thought it is the amount (kg) of water, but it is
mccc according to this lab manual, which unit
is (J/oC).
Please answer what the water equivalent represents and the unit
of it.
- In this experiment, an ice cube of mass mt, assumed to be at 0°C, is placed in a calorimeter containing a mass of water...
2. Solid mercury at -89 °C is added to liquid water at 0°C. When the system reaches thermal equilibrium all the water is ice and half of the original mercury is liquid. Assume that no heat is lost to the surroundings and find the ratio of the mass of mercury to the mass of water (mHg/m1,0). Melting Point Heat of Fusion Heat Capacity (solid) (°C) (J/kg) (J/kg.Cº 0.10 x 105 140 3.00 x 105 2000 Mercury Water -39 0
8. Use the data in the Introduction calculate the total amount of heat in kcal required to turn 100 g of ice at -20°C to steam at 120°C? liq gas equilibrium (heat goes into phase change) Steam - Water and steam allas (heat goes into temperature change) Temperature (°C) all liquid (heat goes into temperature change) -Water Ice and water all solid Nice solid/liq equilibrium (heat goes into phase change) - Time Heat On the 5 sections of the graph...
Please help me answer the following questions given the data
that I obtained, and please type your answer showing step by step
calculations and formulas please
Experiment 2: Conservation of Heat Energy – Analysis and
Discussion
Based on your experimental results, please answer the
following questions:
Given the initial and final volumes of the experiment,
determine the initial mass of the water and the mass of the ice
cube. Show your work. Record your answer in the table above.
Given...
Just really confused with PART C!! I have already solved part A
and B. Please help me with C I am super confused! Thanks
In a physics lab students are conducting an experiment to learn about the heat capacity of different materials. The first group is instructed to add 1.5-g lead pellets at a temperature of 92°C to 215 g of water at 16°C. A second group is given the same number of 1.5-9 pellets as the first group, but...
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