Strength of quadruple bonds
What is known about the strength of quadruple bonds compared with the strength of the triple bond in acetylenes and N2?
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The sudden opening of the epiglottis and vocal cords releases this air explosively. Just prior to this release, what is the approximate pressure of the gas inside the lungs?
A plane flies 345 km due south, then turns and flies 615 km at a heading 45.0 degrees north of east, until its due east of its starting point. if the plane now turns and heads for home, how far will it have to go?
A toaster rated at 1000 W operates on a 120 V household circuit and a 4.00 m length of nichrome wire as its heating element. The operating temperature of this element is 310°C. What is the cross-sectional area of the wire?
The density of liquid oxygen at its boiling point is 1.14 {kg/L} , and its heat of vaporization is 213 {kJ/kg}. How much energy in joules would be absorbed by 4.0 L of liquid oxygen as it vaporized?
A wild horse starts from rest and runs in a straight line 29° north of west. After 33 s of running in this direction, the horse has a speed of 17 m/s. (a) What is the magnitude of the horse's average acceleration?
An insulated vertical piston-cylinder device initially contains 0.2 m3 of air at 200 kPa and 22°C.At this state, a linear spring touches the piston but exerts no force on it.
A mixture of gases containing 21.0 g of N2, 106.5 g of Cl2, and 12.0 g of He at 14 oC is in a 50.0 L container. What is the partial pressure of N2?
A 12 gram sample of an organic compound was analyzed and the following results were obtained. What is the empirical formula of the compound?
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