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This is a pre-lab and there are no more information given. Only those given number in...
This is a pre-lab and there are no more information given. Only
those given number in the boxes.
@ Q Search prelab continued: A student obtained the following data in this experiment. Perform the calculations needed to fill in the blanks. Show all the steps to your calculations (including correct sig figs and units) in the space below for credit. mass of gelatin capsule mass of capsule + metal 0.1987 g 0.4076 g mass of metal 143.05 g mass of...
please show steps. thanks ! Experiment 19 Gas Stoichiometry and the Gas Laws The relationship between...
please show steps. thanks !
Experiment 19 Gas Stoichiometry and the Gas Laws The relationship between the physical properties of a gas, and the moles, is given by the “Ideal Gas Law:" PV=nRT where n-number of moles R=the ideal gas constant: 0.0821 atm L mole 'Kor 62.4 L torr molek In this experiment, the theoretical yield of gas, will be compared to the experimental yield. The reaction of aluminum with hydrochloric acid produces hydrogen according to the balanced equation below....
Indicate whether the following experimental mistake will increase, decrease, or have no effect on the calculated...
Indicate whether the following experimental mistake will increase, decrease, or have no effect on the calculated value of R. A student completed the experiment without waiting for the test tube to cool after heating. Select ALL of the correct answers. a. All measurements should be made at the same temperature. b. The volume measured from the beaker will be high. c. The measured temperature is room temperature. d. The calculated value of Ris low. e. The calculated value of Ris...
Prelaboratory Assignment: Analysis of an Aluminum-Zinc Alloy having a difficult time figuring out how to tackle...
Prelaboratory Assignment: Analysis of an Aluminum-Zinc
Alloy
having a difficult time figuring out how to tackle the
following:
please help! thank you.
equation 5 is included in here
Name: Date: Section: Prelaboratory Assignment: Analysis of an Aluminum-Zinc Alloy 1. On the following page, construct a graph of N vs % AL. To do this, refer to equation 5 and the discussion preceding it. Calculate for % Al=0.25.50.75, and 100. Place these points on the graph and Draw the best straight...
Need help filling in my data sheet from a lab. My professor said the pressure was...
Need help filling in my data sheet from a lab. My professor said
the pressure was 24.6 inches of Hg and that we needed to convert
that to moles. Im not sure i put that in the correct spot. I
included the lab protocol. Plz plz plz help me fill in the blanks
and let me know if i did something wrong Im very confused haha.
THANKS!!
Equivalent Mass by Electrolysis If the two terminals on any source of DC...
Please answer number1 0.3901.96 -0.00L592 miles MASS OF METAL PLACED IN CAPSULE VAPOR PRESSURE OF WATER...
Please answer number1
0.3901.96 -0.00L592 miles MASS OF METAL PLACED IN CAPSULE VAPOR PRESSURE OF WATER TRIAL 1 TRIAL 2 0, 100 g 21.1 mm Hg ATMOSPHERIC PRESSURE 755. 65 mm Ho MOLES H2 EVOLVED 0.00 6822 moles EQUIVALENT MASS OF METAL 549, 05 g % ERROR st (need extact number) 3 metal ego. mass = 6.94 glad LiL Hinmole H gx 22 Pa- 20.00 6322 med Ha V-nb bau.na = 549:05 g as out UESTIONS (Read textbook TRO chapter...
Question 11 of 15 > The table lists the specific heat values of several substances. An...
Question 11 of 15 > The table lists the specific heat values of several substances. An unknown substance has a mass of 28.9 8. The temperature of the substance increases by 20.7°C when 55 cal of heat is added to the substance. Substance lead silver copper iron aluminum water Specific heat (cal/g °C) 0.031 0.058 0.092 0.107 0.216 1.000 What is the most likely identity of the substance? iron water lead OOOOOO aluminum silver copper Question 12 of 15 >...
Chame nsead tu age 06-17 Experiment 8: Molar Mass of a Volatile Liquid Purpose To determine...
Chame nsead tu age 06-17 Experiment 8: Molar Mass of a Volatile Liquid Purpose To determine the molar mass of a pure substance we need to find out (a) the number of moles in a given sample, and (b) the mass of the same sample. Molar mass is then: mass divided by moles Introduction Using the ideal gas equation, PV= nRT, we can determine the number of moles (n) of gas or vapor under measured conditions of pressure (P), volume...
The Atomic Weight of a Metal Data Trial 2 Trial 1 .036a 37.3mL 22.8°C 33.5ml 22....
The Atomic Weight of a Metal Data Trial 2 Trial 1 .036a 37.3mL 22.8°C 33.5ml 22. 2°C 1. Mass of Magnesium (g) 2. Volume of Hydrogen Gas Collected (mL) 3. Temperature (°C) 4. Temperature (K) (show calculation) 5. Barometric Pressure (mm Hg) Height Difference between Water Levels (mm H,O) tin loin Mercury Equivalent of Height Difference Water Difference (show calculation) 13.6 Vapor Pressure of Water (will be given-mm Hg) Pressure of Dry Hydrogen Gas = Barometric Pressure - Mercury Equivalent...
Experiment 8 Ideal Gas Law: Estimation of Molar Mass of Mognesium 57 QUESTIONS POST LAB A...
Experiment 8 Ideal Gas Law: Estimation of Molar Mass of Mognesium 57 QUESTIONS POST LAB A 0.0524-g sample of magnesium is reacted with 25 ml of 3.0 M sulfuric acid as described in the tal section. The resulting hydrogen gas is collected over water and is found to have a volume of 536 m m temperature is 25 °C and the atmospheric pressure is 762.12 mm Hg. The column of water height inside the graduated cylinder is found to be...
This is a pre-lab and there are no more information given. Only
those given number in the boxes.
@ Q Search prelab continued: A student obtained the following data in this experiment. Perform the calculations needed to fill in the blanks. Show all the steps to your calculations (including correct sig figs and units) in the space below for credit. mass of gelatin capsule mass of capsule + metal 0.1987 g 0.4076 g mass of metal 143.05 g mass of...
please show steps. thanks !
Experiment 19 Gas Stoichiometry and the Gas Laws The relationship between the physical properties of a gas, and the moles, is given by the “Ideal Gas Law:" PV=nRT where n-number of moles R=the ideal gas constant: 0.0821 atm L mole 'Kor 62.4 L torr molek In this experiment, the theoretical yield of gas, will be compared to the experimental yield. The reaction of aluminum with hydrochloric acid produces hydrogen according to the balanced equation below....
Indicate whether the following experimental mistake will increase, decrease, or have no effect on the calculated value of R. A student completed the experiment without waiting for the test tube to cool after heating. Select ALL of the correct answers. a. All measurements should be made at the same temperature. b. The volume measured from the beaker will be high. c. The measured temperature is room temperature. d. The calculated value of Ris low. e. The calculated value of Ris...
Prelaboratory Assignment: Analysis of an Aluminum-Zinc
Alloy
having a difficult time figuring out how to tackle the
following:
please help! thank you.
equation 5 is included in here
Name: Date: Section: Prelaboratory Assignment: Analysis of an Aluminum-Zinc Alloy 1. On the following page, construct a graph of N vs % AL. To do this, refer to equation 5 and the discussion preceding it. Calculate for % Al=0.25.50.75, and 100. Place these points on the graph and Draw the best straight...
Need help filling in my data sheet from a lab. My professor said
the pressure was 24.6 inches of Hg and that we needed to convert
that to moles. Im not sure i put that in the correct spot. I
included the lab protocol. Plz plz plz help me fill in the blanks
and let me know if i did something wrong Im very confused haha.
THANKS!!
Equivalent Mass by Electrolysis If the two terminals on any source of DC...
Please answer number1
0.3901.96 -0.00L592 miles MASS OF METAL PLACED IN CAPSULE VAPOR PRESSURE OF WATER TRIAL 1 TRIAL 2 0, 100 g 21.1 mm Hg ATMOSPHERIC PRESSURE 755. 65 mm Ho MOLES H2 EVOLVED 0.00 6822 moles EQUIVALENT MASS OF METAL 549, 05 g % ERROR st (need extact number) 3 metal ego. mass = 6.94 glad LiL Hinmole H gx 22 Pa- 20.00 6322 med Ha V-nb bau.na = 549:05 g as out UESTIONS (Read textbook TRO chapter...
Question 11 of 15 > The table lists the specific heat values of several substances. An unknown substance has a mass of 28.9 8. The temperature of the substance increases by 20.7°C when 55 cal of heat is added to the substance. Substance lead silver copper iron aluminum water Specific heat (cal/g °C) 0.031 0.058 0.092 0.107 0.216 1.000 What is the most likely identity of the substance? iron water lead OOOOOO aluminum silver copper Question 12 of 15 >...
Chame nsead tu age 06-17 Experiment 8: Molar Mass of a Volatile Liquid Purpose To determine the molar mass of a pure substance we need to find out (a) the number of moles in a given sample, and (b) the mass of the same sample. Molar mass is then: mass divided by moles Introduction Using the ideal gas equation, PV= nRT, we can determine the number of moles (n) of gas or vapor under measured conditions of pressure (P), volume...
The Atomic Weight of a Metal Data Trial 2 Trial 1 .036a 37.3mL 22.8°C 33.5ml 22. 2°C 1. Mass of Magnesium (g) 2. Volume of Hydrogen Gas Collected (mL) 3. Temperature (°C) 4. Temperature (K) (show calculation) 5. Barometric Pressure (mm Hg) Height Difference between Water Levels (mm H,O) tin loin Mercury Equivalent of Height Difference Water Difference (show calculation) 13.6 Vapor Pressure of Water (will be given-mm Hg) Pressure of Dry Hydrogen Gas = Barometric Pressure - Mercury Equivalent...
Experiment 8 Ideal Gas Law: Estimation of Molar Mass of Mognesium 57 QUESTIONS POST LAB A 0.0524-g sample of magnesium is reacted with 25 ml of 3.0 M sulfuric acid as described in the tal section. The resulting hydrogen gas is collected over water and is found to have a volume of 536 m m temperature is 25 °C and the atmospheric pressure is 762.12 mm Hg. The column of water height inside the graduated cylinder is found to be...
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