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The common Eastern mole, a mammal, typically has a mass of 66 g, which corresponds to about 6.6 moles of atoms. (A mole of atoms is 6.02 × 1023 atoms. In atomic mass units (u), what is the average mass of atoms in the common Eastern mole?
Two moles of an ideal diatomic gas have an initial pressure of 4.00 atm and initial volume of 16.0 L. The molecules in the gas can translate and rotate but not vibrate. The gas is compressed at constant pressure to a new volume of 8.00 L.
assume you carry a bag of groceries weighing 127 N from your car to your kitchen, a distance of 57 m, without raising or lowering the bag.
q1. a person eats a dessert that contains 260 calories one. the skin temperature of this individual is 36 degree
Oscillation of a 500 Hz tuning fork sets up standing waves in a string clamped at both ends. The wave speed for the string is 430 m/s. What is the length of the string
A rotating wheel requires 5.00 s to rotate 26.0 revolutions. What is the constant angular acceleration (in rad/s) of the wheel
A 11.1-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 10.3 m/s, determine the following. (a) the translational kinetic energy of its center of gravity ____J (b) the rotational kinetic en..
a heat engine operating between a hot reservoir at 500c and a cold reservoir at 0c is 65 as efficient as a carnot
We live at the bottom of a sea of air. The density of this air at the Earth's surface and 0°C is 1.29 kg/m3. Assume that the density of air does not change as we move away from the Earth. What height would the atmosphere be?
a horizontal rifle is fired at a bulls-eye. the muzzle speed of the bullet is 700 ms. the gun is pointed directly at
Wanting to invite Juliet to his party, Romeo is throwing pebbles at her window with a launch angle of 73° from the horizontal, What is the initial speed of the pebbles
the noise level coming from a pig pen with 231 pigs is 74db.assuming each of the remaining pigs squeal at their
The planes of atoms in a cubic crystal lie parallel to the surface, 0.87 nm apart. X rays having wavelength 0.41 nm are directed at an angle θ to the surface. For how many values of θ will there be a strong reflection? What is the largest value of θ ..
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