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The molar volume of a certain solid is 142 mL at 1 bar and 427.15K, its melting temperature. The molar volume of the liquid at this temperature and pressure is 152.6mL/mol. At 1.2 MPa, the melting temperature changes to 429.26K.
Calculate the enthalpy and entropy of fusion of the solid.
A constant electric field directed upon the positive x axis has a strength of 2000 N/. find the force exerted on the proton by the field
A 30-meter steel tape is correct at a temperature of 20.0(C). The distance between two points, as measured by this tape on a day when the temperature is 5 (C), is 25.970m. What is the true distance between the points?
The magnetic field due to a 2-A current flowing in a long, straight wire is 8 %u03BCT at a point P, a certain distanceaway from the wire
At time t=0 a grinding wheel has an angular velocity of 26.0 rad/s. It has a constant angular acceleration of 29.0 rad/s^2 until a circuit breaker trips at time t = 2.50 s. From then on, the wheel turns during an angle of 440 rad as it coasts to a..
What quantum number of the hydrogen atom comes closest to giving a 100- nm-diameter electron orbit, What is the electron's speed in this state
Body A in the figure weighs 122 N, and body B weighs 33.5 N. The coefficients of friction between A and the incline are, What is the acceleration of A if A is initially at rest
You throw a 20-N rock vertically into the air from ground level. You observe that when it is a height 14.5m above the ground, Use the work-energy theorem to find its maximum height
A 65- kg child sits in a swing suspended with 3.4- m-long ropes. The swing is held aside so that the ropes make an angle of 60 o with the vertical
You're driving down the highway late one night at 17 {rm m}/{rm s} when a deer steps onto the road 45 {rm m} in front of you. Your reaction time before stepping on the brakes is 0.50 {rm s} and the maximum deceleration of your car is 12 {rm m/s^2}..
in the park powerful magnets accelerate a car and its riders from rest to 45msabout 100mih at a time of 7.0s. the
Find out that the value of the gravitational field strength
A wooden cylinder of length 2.0m and cross section 78cm^2 is suspended in vertical positionwith a string of length 2.5m. Find the linear density of the string
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