What is the specific heat of the metal
A piece of metal weighing 5.10 grams at a temperature of48.6oC was placed in a calorimeter into 20.00 mL ofwater at 22.1oC, and the final equilibrium temperature was found to be 29.2oC. What is the specific heat of the metal?
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A uniform rod is resting on a frictionless table when it is suddenly struck at one end by a sharp horizontal blow in a direction perpendicular to the rod. The mass of the rod is M and the magnitude of the impulse applied by the blow is J. (Use any
A lever is used to lift a heavy load. When a 40 N force pushes one end of the lever down 2.2 m, the load rises 0.8 m. Calculate the weight of the load.
A solution contains 50.0g of heptane (C7H16)and 50.0g of octane (C8H18) at 25 degrees C.The vapor pressures of pure heptane and pure octane at 25 degrees Care 45.8 torr and 10.9 torr.
If an electron moved from a location with 10.0V potential to a location with a 25.0V potential, would its potential energy increase or decrease? Explain.
The following data were obtained from a survey of college students. The variable X represents the number of non-assigned books read during the past six months. x 0 1 2 3 4 5 P (X=x) 0.20 0.25 0.20 0.15 0.10 0.10 What is the standard deviation of X
A charge of -5.0 mC is rigidly held on the x-axis at x = 4.3 m. Find the work (in Joules) done bringing a -10.0 mC particle in from infinity to x = 4.6 m. Please show your work.
A longitudinal standing wave is established in a tube open at one end only. In air, the fundamental frequency is 110 Hz. What is the frequency of the 3rd harmonic when helium fills the tube? Take the speed of sound in helium to be three times as g
Two gas cylinders are identical. One contains the monatomic gas neon (Ne), and the other contains an equal mass of the monatomic gas radon (Rn).
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