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13) For some pressure calculations density needs to be given in kilograms per cubic meter. Convert...
Current Attempt in Progress Calculate the number of vacancies per cubic meter in some metal at...
Current Attempt in Progress Calculate the number of vacancies per cubic meter in some metal at 722°C. The energy for vacancy formation is 0.90 eV/atom, while the density and atomic weight for this metal are 6.81 g/cm² (at 722°C) and 79.39 g/mol, respectively. m3
remember significant figures Another Version SerPSE9 1.PO52 kilograms per cubic meter and thluncertainty in the density,...
remember significant figures
Another Version SerPSE9 1.PO52 kilograms per cubic meter and thluncertainty in the density, (Use The radius of a solid sphere is measured to be (6.35 ± 0.29) cm, and its mass is measured to be (1.76 t O.09) kg. Determine the density of the sphere nk the correct number of significant figures. use the following formula to calculate the uncertainty in the density: - Am 34-) ( の! .2x 103 kg/m [Grad° This] [Show Answer] maaan Click...
QUESTION 3 A meteorologist measures the atmospheric pressure P (in kilograms per square meter) at...
please do both
QUESTION 3 A meteorologist measures the atmospheric pressure P (in kilograms per square meter) at altitude h in killometers). The data are shown below. Use the regression capabilities of the graphing utility to find a linear model for the revised data points obtained by plotting the points h,IP) 10 20 3,698,881 1,541,089 30,799,222 16,834,676 7,081,526 A. In P 0.1499h-17.3018 B. In P-0.1499h +17.3018 C. In P 0.1944h +17.3601 D. In P-0.1944h-7.3601 E. In P-0.1499h-7.3016 QUESTION 16 If...
Problem: When alpha-iron is subjected to an atmosphere of hydrogen gas, the concentration of hydrogen in...
Problem: When alpha-iron is subjected to an atmosphere of hydrogen gas, the concentration of hydrogen in the iron, CH (in weight percent), is a function of hydrogen pressure, PH2 (in Mpa), and asbsolute temperature (T) according to Ch= 1.34 x 10-2 sqrt(PH) exp(- (27.2KJ/mol) /RT) Consider a thin iron membrane with the thickness and temperature listed below. Calculate the flux in (kg/(m²-s)) through this membrane if the hydrogen pressure on one side of the membrane is 0.17 MPa, and on...
Density of Planets and Moons Lab Objectives: In this lab you will learn: Part 1 –...
Density of Planets and Moons Lab Objectives: In this lab you will learn: Part 1 – What density is, and how to experimentally determine it Part 2 – To calculate various physical quantities for the planet Mercury Part 3 – Group major solar system bodies by density Part 1. DENSITY Definition – Density =mass / volume. Symbolically, we write this as , where 1) ρ (the Greek letter “rho”) is the density, 2) m is mass, and 3) V is...
12. Convert 375 pounds to kilograms. a. 826 kg b. 14.0 kg c. 170 kg d....
12. Convert 375 pounds to kilograms. a. 826 kg b. 14.0 kg c. 170 kg d. 82 kg e. none 13. Express 12 km/L in mi/gal a. 7.0 mi/gal b. 28 mi/gal C. 31 mi/gal d. 73 mi/gal f. 32 mi/gal 14. How many minutes will it take for a car that is travelling 8.0 x 10 mi/h to travel 200 km? a. 93 min b.62 min c. 75 min d. 200 min e. none of the above 15. How...
Problem: When alpha-iron is subjected to an atmosphere of hydrogen gas, the concentration of hydrogen in...
Problem: When alpha-iron is subjected to an atmosphere of hydrogen gas, the concentration of hydrogen in the iron, CH (in weight percent), is a function of hydrogen pressure, PH2 (in Mpa), and asbsolute temperature (T) according to CH= 1.34 X 10-2 sqrt(PH2) exp(- (27.2KJ/mol) / RT) Consider a thin iron membrane with the thickness and temperature listed below. Calculate the flux in (kg/(m2-s)) through this membrane if the hydrogen pressure on one side of the membrane is 0.17 MPa, and...
a. 4.0 km b. 3.40 km c. 250 km d. 0.25 km e. none 12. Convert...
a. 4.0 km b. 3.40 km c. 250 km d. 0.25 km e. none 12. Convert 375 pounds to kilograms. a. 826 kg b. 14.0 kg c. 170 kg d. 82 kg e. none 13. Express 12 km/L in mi/gal a. 7.0 mi/gal b. 28 mi/gal c. 31 mi/gal d. 73 mi/gal f. 32 mi/gal 14. How many minutes will it take for a car that is travelling 8.0 x 10 mi/h to travel 200 km? a. 93 min b....
What is the volume of the sphere in Procedure 2 in units of cm3? Express your...
What is the volume of the sphere in Procedure 2 in units of
cm3? Express your answer to two significant figures.
LAB 14: IDEAL GAS LAW BASIC CONCEPTS TEXTBOOK: SECTIONS 15.2, YOUNG, 10TH EDITION DEFINITIONS Volume: The space taken up by an object, measured in cubic meters (m"). Pressure: For an enclosed gas, pressure is defined as the force exerted per area by the gas on the container walls, measured in Pascal (1 N/m) Temperature: A measure of the average...
help please? this was the only other information given REPORT SHEET Determination of the Solubility-Product Constant...
help please?
this was the only other information given
REPORT SHEET Determination of the Solubility-Product Constant for a Sparingly Soluble Salt EXPERIMENT 8 A. Preparation of a Calibration Curve Initial (Cro121 0.0024 M Absorbance 5 mL Volume of 0.0024 M K Cro Total volume 1. I mL 100 mL 2. 100ML 3. 10 mL 100ml 4. 15 mL 100 ML Molar extinction coefficient for [CrO2) [Cro,2) 2.4x100M 12x1044 2.4810M 3.6810M 0.04) 2037.37 0.85 1.13 2. 3. Average molar extinction coefficient...
Current Attempt in Progress Calculate the number of vacancies per cubic meter in some metal at 722°C. The energy for vacancy formation is 0.90 eV/atom, while the density and atomic weight for this metal are 6.81 g/cm² (at 722°C) and 79.39 g/mol, respectively. m3
remember significant figures
Another Version SerPSE9 1.PO52 kilograms per cubic meter and thluncertainty in the density, (Use The radius of a solid sphere is measured to be (6.35 ± 0.29) cm, and its mass is measured to be (1.76 t O.09) kg. Determine the density of the sphere nk the correct number of significant figures. use the following formula to calculate the uncertainty in the density: - Am 34-) ( の! .2x 103 kg/m [Grad° This] [Show Answer] maaan Click...
please do both
QUESTION 3 A meteorologist measures the atmospheric pressure P (in kilograms per square meter) at altitude h in killometers). The data are shown below. Use the regression capabilities of the graphing utility to find a linear model for the revised data points obtained by plotting the points h,IP) 10 20 3,698,881 1,541,089 30,799,222 16,834,676 7,081,526 A. In P 0.1499h-17.3018 B. In P-0.1499h +17.3018 C. In P 0.1944h +17.3601 D. In P-0.1944h-7.3601 E. In P-0.1499h-7.3016 QUESTION 16 If...
Problem: When alpha-iron is subjected to an atmosphere of hydrogen gas, the concentration of hydrogen in the iron, CH (in weight percent), is a function of hydrogen pressure, PH2 (in Mpa), and asbsolute temperature (T) according to Ch= 1.34 x 10-2 sqrt(PH) exp(- (27.2KJ/mol) /RT) Consider a thin iron membrane with the thickness and temperature listed below. Calculate the flux in (kg/(m²-s)) through this membrane if the hydrogen pressure on one side of the membrane is 0.17 MPa, and on...
12. Convert 375 pounds to kilograms. a. 826 kg b. 14.0 kg c. 170 kg d. 82 kg e. none 13. Express 12 km/L in mi/gal a. 7.0 mi/gal b. 28 mi/gal C. 31 mi/gal d. 73 mi/gal f. 32 mi/gal 14. How many minutes will it take for a car that is travelling 8.0 x 10 mi/h to travel 200 km? a. 93 min b.62 min c. 75 min d. 200 min e. none of the above 15. How...
a. 4.0 km b. 3.40 km c. 250 km d. 0.25 km e. none 12. Convert 375 pounds to kilograms. a. 826 kg b. 14.0 kg c. 170 kg d. 82 kg e. none 13. Express 12 km/L in mi/gal a. 7.0 mi/gal b. 28 mi/gal c. 31 mi/gal d. 73 mi/gal f. 32 mi/gal 14. How many minutes will it take for a car that is travelling 8.0 x 10 mi/h to travel 200 km? a. 93 min b....
What is the volume of the sphere in Procedure 2 in units of
cm3? Express your answer to two significant figures.
LAB 14: IDEAL GAS LAW BASIC CONCEPTS TEXTBOOK: SECTIONS 15.2, YOUNG, 10TH EDITION DEFINITIONS Volume: The space taken up by an object, measured in cubic meters (m"). Pressure: For an enclosed gas, pressure is defined as the force exerted per area by the gas on the container walls, measured in Pascal (1 N/m) Temperature: A measure of the average...
help please?
this was the only other information given
REPORT SHEET Determination of the Solubility-Product Constant for a Sparingly Soluble Salt EXPERIMENT 8 A. Preparation of a Calibration Curve Initial (Cro121 0.0024 M Absorbance 5 mL Volume of 0.0024 M K Cro Total volume 1. I mL 100 mL 2. 100ML 3. 10 mL 100ml 4. 15 mL 100 ML Molar extinction coefficient for [CrO2) [Cro,2) 2.4x100M 12x1044 2.4810M 3.6810M 0.04) 2037.37 0.85 1.13 2. 3. Average molar extinction coefficient...
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