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Question: Calculate the total change in entropy if 3.75 kg of water at 24.7 °C is mixed with another 6.95 kg of water at 74.7 °C. The specific heat of water at constant pressure is 4186 J/(kg•K).
Would you be able to include the how you do it steps and equation and how to follow it thank you!!
In a hydrogen atom, the electron makes a transition from the n = 7 to the n = 2 state. What is the wavelength of the emitted photon
a uniform rod of mass 100 g and length 50.0 cm rotates in a horizontal plane about a fixed vertical frictionless pin
The escape speed from a very small asteroid is only 26 m/s. If you throw a rock away from the asteroid at a speed of 39 m/s, what will be its final speed.
A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. 3.2 Joule of work is required to compress the spring by 0.12 meter. Determine what the value of the mass
a garden hose with an internal diameter of 2.0 cm is connected to a stationary lawn sprinkler that consists merely of
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1470 Hz. The bird-watcher, however, hears a frequency of 1500 Hz. What is the speed of the bird
A 35 N hand and forearm are held at a 45 degree angle to the vertically oriented humerus. how much force must be exerted by the forearm flexors to maintain this position
The Earth is constantly being bombarded by cosmic rays, which consist mostly of protons. what is the total charge incident on the atmosphere
The light shining on a diffraction grating has a wavelength of 494 nm (in vacuum). How many lines per centimeter does the grating have
On a sightseeing trip in Europe, Sam is riding a tour bus moving north along a straight section of road at 8.0 m/s. Determine Sam Velocity relative to the castle
Four gram-moles of an ideal monatomic gas initially at temperature 300 K is compressed adiabatically from a volume of 1200 cm3 to a volume of 350 cm3. How much heat was transferred to the gas
A sound wave of frequency 1840 Hz., propagating through air at 0 degrees Celsius, has a pressure amplitude of 15.0 Pa. What is the maximum particle speed
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