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Each Cu ion has a deficit of 2 electrons. Assuming a current of 3 ?A is measured for 1 hour. How thick is the copper coating? Picture diagram would be greatly appreciated.
Calculate the pressure which must be applied to tin in order to decrease its white to gray transition temperature by 10 Celsius.
If a batch formula for 2130 kg of window glass consists of 500 k of CaCO3, 1150 k SiO2, and an unknown amount of Na2CO3. Calculate the amount of Na2CO3.
If it takes 25.0 J to increase the temperature of n moles of ideal He at fixed volume from 15.0 C to 85.0 C, the heat required to increase the temperature of n moles of ideal H2 at fixed volume by t
What is the net flow rate of energy (in watts) from the sphere to the vessel? For simplicity, assume the sphere and the vessel are both ideal blackbody radiators, with emissivity e = 1.
Consider a refrigerator that keeps its contents at 9 degrees Fahrenheit when the house temperature is 73 degrees Fahrenheit. What is the maximum theoretical coefficient of performance, CP, for this
A uniformly charged thin ring has radius 13.0cm (0.130m) and total charge 24.0nC (2.40*10^8 C). An electron is placed on the ring's axis a distance 32.5cm from the center of the ring and is constrai
How much work is done on the gas in going from B to C? the graph is a PV diagram. it does not show any other numbers on it other than what is given.
A 52kg person is standing on a bathroom scale in an elevator moving upward. (a) If the scale reads 58kg, what is the magnitude of upward acceleration of the elevator?
As a chemical engineer, you have the option of operating a reversible flow compressor either adiabatically or isothermally. By comparing suitable partial derivatives, determine which condition will
Calculate the standard deviation of translational energy in a canonical ensemble at 298 K for 3.1 a mole of ideal gas, and 3.2 a molecule of gas.
How many moles of gas will be in the container at the final temperature? Give your answer to three significant figures.
A certain ideal gas has molar heat capacity at constant volume Cv. A sample of this gas initially occupies a volume Vo at pressure Po and absolute temperate To. The gas expands isobarically to a vo
Which of the following describes the qualitative behavior of the Maxwell-Boltzmann distribution as temperature increases? You will have to press the "reset" button on the applet before you can chang
A 0.335 m string is clamped at both ends. If the lowest standing wave frequency in the string is 326 Hz, what is the wave speed?
Oxygen gas having a volume of 900 cm3 at 45.0°C and 1.01 multiplied by 105 Pa expands until its volume is 1650 cm3 and its pressure is 1.06 multiplied by 105 Pa. (a) Find the number of moles of
The acceleration due to gravity on the moon is about one sixth the gravitational acceleration near the earths surface. If a rock is transported from earth to the moon, will either its mass or its w
Does the entropy of the gas increase, decrease or remain the same?
The temperature difference between the inside and the outside of an automobile engine is 450C. Express this temperature difference on the F scale and the K scale.
What will be the equilibrium temperature when a 245 g block of lead at 300oC is placed in 150-g aluminum container containing 820 g of water at 12.0oC?
Determine the spatial separation between the two isotopes after they have traveled through a half-circle.
A 2.32 mol sample of an ideal monatomic gas undergoes the reversible process shown in the figure. The scale of the vertical axis is set by Ts = 447 K and the scale of the horizontal axis is set by S
A thermodynamic system undergoes a process in which its internal energy decreases by 510 J. If at the same time 210 J of work is done on the system, find the energy transferred to or from it by hea
A Styrofoam cup holding 116 g of hot water at 1.00 102°C cools to room temperature, 16.1°C. What is the change in entropy of the room? (Neglect the specific heat of the cup and any change in
Two moles of neon gas initially at 315.2K and a pressure of 12.7 atm are compressed adiabatically to one-second of their initial volume. Determine the pressure following compression. Answer in unit