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Briefly, how are covalent compounds formed? What is the basic difference distinguishing single, double, and triple bonds? How does electro negativity vary, in general, left to right across a period and down a group?
an ideal gas has a temperature-independent molar specific heat cv at constant volume.let gamacpcv denote the ratio of
A small asteroid that has a mass of 130 kg is moving at 235 m/s when it is 1000 km above the Moon. How fast will the meteorite be traveling when it impacts the lunar surface if it is heading straight toward the center of the Moon? The radius of th..
The figure below shows four isotropic point sources of sound that are uniformly spaced on an x axis. The sources emit sound at the same wavelength λ and same amplitudes, and they emit in phase. A point P is shown on the x axis. Suppose that as the so..
An energy storage system based on a flywheel (a rotating disk) can store a maximum of 4.0 MJ when the flywheel is rotating at 20,000 revolutions per minute
During a lunar eclipse, the Moon, Earth, and Sun all lie on the same line, with the Earth between the Moon and the Sun. The Moon has a mass of 7.36 × 1022 kg; Calculate the force exerted on the Earth by the Sun
Two students decided to fling balloons filled with M1=68.1grams of ice water at coeds who are sun batheing on the roof of asorority house two blocks east of the physics bulding. Calculate the mass of the lead sphere
a points a and b have electric potentials of 255 v and 129 v respectively. when an electron released from rest at point
A thermopane window consists of two glass panes, each 0.50 cm thick, with a 1.0-cm-thick sealed layer of air in between. (Use 0.8 J/s · m · °C for the thermal conductivity of glass and 0.0234 J/s · m ·
An iron bolt of mass 79.0 g hangs from a string 32.4 cm long. The top end of the string is fixed, Find the tension in the string and Find the magnetic force on the bolt
An ideal monatomic gas with 3.6mol undergoes a reversible increase in temperature from 380 K to445 K at constant volume. What is the entropy change of the gas
A cylindrical capacitor has outer and inner conductors whose radii are in the ratio of 5 to1. The inner conductoris to be replaced by a wire whose radius is one half the radius of the original inner conductor.
During a shuffleboard game a disk is given an initial speed of 6.80m/s. Find how much time passes before the disk comes to rest
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