Homework Answers
1question
a 6.5 l
b 542 k
c Graph is linear and slope is 0.0124 this is the value of nR/p
d ideal gas law PV =nRT
V/T is constant
e this is termed as charles law
Statement is when the pressure of the sample of dry gas is held constant then temperature and volume are directly proportional
2 question
a) 7.19 g/ml
b)mass = volume *density
c) mass of beaker is nearly 160g
3 rd question
a)3.35 m
b)1.08 sec
c) distance = velocity * time
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1. An experiment was conducted in which the volume of a fixed quantity of gas was...
Show all your work 14. A gas laws experiment was conducted in the physics lab. During this experiment, the gas pres...
Show all your work
14. A gas laws experiment was conducted in the physics lab. During this experiment, the gas pressure of an isolated gas in an adjustable syringe was measured using a gas pressure sensor as the volume of the syringe was varied. The pressure vs volume for the graph for the experiment is shown below, as well as the corresponding curve fit generated. NOTE: The gas temperature was a constant 23.5°C during this experiment Express value of the...
2 Experiment: In the experiment conducted, the mass of the counter weight M was chosen to...
2 Experiment: In the experiment conducted, the mass of the counter weight M was chosen to be 50.0 +/- 0.1 g The mass of the rubber stopper was measured to be 12.0 +/- 0.1 g The stopper was spun at five different values of the radius (measured with a meter stick). For each value of r, the time to complete 10 full revolutions was measured with stopwatch. The following data was collected: 40.0 60.0 80.0 100.0 (cm) 1) 120.0 10.74...
8. A experiment is performed on an isolated gas. During the experiment, the gas pressure of...
8. A experiment is performed on an isolated gas. During the experiment, the gas pressure of an isolated gas in a constant volume flask (V=0.500L) was measured using a gas pressure sensor as the temperature of the gas was varied. The pressure vs volume for the graph for the experiment is shown below, as well as the corresponding curve fit generated. NOTE: The gas temperature inside the syringe was a constant 22.5°C during this experiment. i. Express value of the...
1. An experiment is performed in the lab, where the mass and the volume of an...
1. An experiment is performed in the lab, where the mass and the volume of an object are measured to determine its density. Two completely different valid methods are used. Each experimental method to measure the density is performed, two considerable sets of data are taken on each and the results are compared. The results of the density measurement by each method should be ... a. dependent on the mass and the volume of the object b. completely different, because...
1. These questions are referring to the Boyle's law experiment only. a. Analyzing the shape of...
1. These questions are referring to the Boyle's law experiment only. a. Analyzing the shape of the curve in the plot of pressure versus volume, do you think the relationship between the pressure and volume of a confined gas is direct or inverse? Explain your answer. b. What experimental factors are assumed to be constant in this experiment? c. Using P. V, and k, write an equation representing Boyle's law AND write a verbal statement that correctly expresses Boyle's law,...
Experiment 1: Diffusion through Gelatin Data Tables Purpose (What question is this experiment designed to answer?):...
Experiment 1: Diffusion through Gelatin
Data Tables
Purpose (What question is this experiment
designed to answer?):
Hypothesis (Based on what you’ve learned in the
pre-lab materials, write and If/Then statement regarding the
outcome of this experiment.):
Table 1: Diffusion Data
Test Tube
Distance After 4 Hours (mm)
Distance After 24 Hours (mm)
A
B
C
Claim (What are the results of your
experiment?):
Evidence (What data did you collect that
supports your claim? Explain the meaning behind the data and...
d CHI ry ir 1. According to the gas law, PV = nRT, there is no...
d CHI ry ir 1. According to the gas law, PV = nRT, there is no " +c" in Boyles' Law. To what is this extra constant due? This extra constant R- Ideal gas constant which 15 not present in Bou les Lou. AIŠO, Boules La Say pre6sure x volGme for a as at a constant Tmp is a constant:PV=C.CHeans C=nRT). If temp or Using Charles' Law data, calculate your value of absolute zero, in K, given that the volume...
Data Trial 1 Trial 2 Trial 3 Distance travelled by mass, S (m) [Same for each trial) 05 m 0.5 m 0...
Data Trial 1 Trial 2 Trial 3 Distance travelled by mass, S (m) [Same for each trial) 05 m 0.5 m 0.5 m Total mass moved (M+m) (KG) 03284 .?'to. same in all trials Hanging mass (m) [different in each trial] Time between gates, t (sec) 14 It% |t2-O-68 t3 #0.99 d Experimental Acceleration, dexp (m/s) (use: S vot t ^at2) 4 165 mls try to make vo Theoretical Acceleration, athe (m/s2) (use: aINM+m Difference (%) mg 15.3 Task 1:...
Principles of Inorganic Chemistry! Week 5 Effect of Temperature on Solubility of a Salt In this experiment, you w...
Principles of Inorganic Chemistry! Week 5 Effect of Temperature on Solubility of a Salt In this experiment, you will study the effect of changing temperature on the amount of solute that will dissolve in a given amount of water. Water solubility is an important physical property in chemistry, and is often expressed as the mass of solute that dissolves in 100 g of water at a certain temperature. In this experiment, you will completely dissolve different quantities of potassium nitrate,...
1. What is the definition of an 'equivalence point' in an acid/base titration? (1 point) 2....
1. What is the definition of an 'equivalence point' in an acid/base titration? (1 point) 2. In part one of the experiment, you will prepare the acid solutions being titrated from a stock solution. Describe how you will accurately prepare 10.00 mL of 0.100 M HCl solution using a 1.00 M HCl stock solution. In your response to this question, be very specific about the quantities of stock solution and deionized water to be used in the dilution and the...
Show all your work
14. A gas laws experiment was conducted in the physics lab. During this experiment, the gas pressure of an isolated gas in an adjustable syringe was measured using a gas pressure sensor as the volume of the syringe was varied. The pressure vs volume for the graph for the experiment is shown below, as well as the corresponding curve fit generated. NOTE: The gas temperature was a constant 23.5°C during this experiment Express value of the...
2 Experiment: In the experiment conducted, the mass of the counter weight M was chosen to be 50.0 +/- 0.1 g The mass of the rubber stopper was measured to be 12.0 +/- 0.1 g The stopper was spun at five different values of the radius (measured with a meter stick). For each value of r, the time to complete 10 full revolutions was measured with stopwatch. The following data was collected: 40.0 60.0 80.0 100.0 (cm) 1) 120.0 10.74...
8. A experiment is performed on an isolated gas. During the experiment, the gas pressure of an isolated gas in a constant volume flask (V=0.500L) was measured using a gas pressure sensor as the temperature of the gas was varied. The pressure vs volume for the graph for the experiment is shown below, as well as the corresponding curve fit generated. NOTE: The gas temperature inside the syringe was a constant 22.5°C during this experiment. i. Express value of the...
1. These questions are referring to the Boyle's law experiment only. a. Analyzing the shape of the curve in the plot of pressure versus volume, do you think the relationship between the pressure and volume of a confined gas is direct or inverse? Explain your answer. b. What experimental factors are assumed to be constant in this experiment? c. Using P. V, and k, write an equation representing Boyle's law AND write a verbal statement that correctly expresses Boyle's law,...
Experiment 1: Diffusion through Gelatin
Data Tables
Purpose (What question is this experiment
designed to answer?):
Hypothesis (Based on what you’ve learned in the
pre-lab materials, write and If/Then statement regarding the
outcome of this experiment.):
Table 1: Diffusion Data
Test Tube
Distance After 4 Hours (mm)
Distance After 24 Hours (mm)
A
B
C
Claim (What are the results of your
experiment?):
Evidence (What data did you collect that
supports your claim? Explain the meaning behind the data and...
d CHI ry ir 1. According to the gas law, PV = nRT, there is no " +c" in Boyles' Law. To what is this extra constant due? This extra constant R- Ideal gas constant which 15 not present in Bou les Lou. AIŠO, Boules La Say pre6sure x volGme for a as at a constant Tmp is a constant:PV=C.CHeans C=nRT). If temp or Using Charles' Law data, calculate your value of absolute zero, in K, given that the volume...
Data Trial 1 Trial 2 Trial 3 Distance travelled by mass, S (m) [Same for each trial) 05 m 0.5 m 0.5 m Total mass moved (M+m) (KG) 03284 .?'to. same in all trials Hanging mass (m) [different in each trial] Time between gates, t (sec) 14 It% |t2-O-68 t3 #0.99 d Experimental Acceleration, dexp (m/s) (use: S vot t ^at2) 4 165 mls try to make vo Theoretical Acceleration, athe (m/s2) (use: aINM+m Difference (%) mg 15.3 Task 1:...
Principles of Inorganic Chemistry! Week 5 Effect of Temperature on Solubility of a Salt In this experiment, you will study the effect of changing temperature on the amount of solute that will dissolve in a given amount of water. Water solubility is an important physical property in chemistry, and is often expressed as the mass of solute that dissolves in 100 g of water at a certain temperature. In this experiment, you will completely dissolve different quantities of potassium nitrate,...
1. What is the definition of an 'equivalence point' in an acid/base titration? (1 point) 2. In part one of the experiment, you will prepare the acid solutions being titrated from a stock solution. Describe how you will accurately prepare 10.00 mL of 0.100 M HCl solution using a 1.00 M HCl stock solution. In your response to this question, be very specific about the quantities of stock solution and deionized water to be used in the dilution and the...
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