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Which of the following is incorrect with regard to the reaction below?
A(g) ? B (g) ΔH<0
As temperature decreases, we should get more products.
Keq increases with increasing temperature.
A negative value for ΔH° means that the reaction is exothermic.
By raising the temperature, we can cause a shift toward reactants.
the triangular loop of wire shown in the drawing carries a current of i 3.57 a. a uniform magnetic field is directed
Suppose you do 457 J of work on 1.18 moles of ideal gas in a perfectly insulated container. By how much does the internal energy of this gas change.
A motorcycle has a constant speed of 20.9 m/s as it passes over the top of a hill whose radius of curvature is 125 m. Find the magnitude of the centripetal force
A small sphere with a mass of 2.00×10−3gand carrying a charge of 4.80×10−8 C hangs from a thread near a very large, charged insulating sheet, as shown in the figure . The charge density on the sheet is−2.30×10−9 C/m^2. Discover the angle of the threa..
The sun produces its power from the conversion of mass into energy by Einstein's equation E=mc2 where c=3x10^8 mls. the sun's intensity on the earth is 1346W/m^2, find the rate at which mass is being converted to energy in the sun
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light of wavelength 612 nm in a vacuum travels 1.57 pm in a medium of index of refraction 1.51. finda the wavelength in
wheel A of radius rA = 11 cm is coupled by belt B to wheel C of radius rC = 20 cm. The angular speed of wheel A is increased from rest at a constant rate of 1.6 rad/s2. Find out the time needed for wheel C to reach an angular speed of 100 rev/min,..
Assume that the car's acceleration is constant. Write an equation relating the magnitude of the acceleration and the distance through which the car accelerates.
System A consists of a mass attached to a spring with a force constant ; system B has a mass 2 attached to a spring with a force constant ; system C has a mass 3 attached to a spring with a force constant 6; and system D has a mass attached to a s..
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