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the results are as followed: mass number of oscillations 10 38 20 22 30 18 40 15 The period T of the pendulum is given by the time taken divided by the number of oscillations. Determine the period of the pendulum when only one fixed mass is attached.
Weegy: Example #1 - which way will the equilibrium shift if more H2 is added to this reaction at equilibrium: N2 + 3 H2 2 NH3 Answer - the H2 amount goes up (by adding it), therefore according to LeChatelier's Principle, [ [ [ the reaction will try and use up the added H2. It does so by shifting the position of equilibrium to the right. This makes more NH3 by using up N2 and H2 Example #2 - using the same reaction, which way will the equilibrium shift if some NH3 is removed from the reaction when it is at equilibrium. Answer - according to LeChatelier's Principle, the chemical system will attempt to replace the lost NH3. The stress was to remove NH3, so the opposite is to replace it. The equilibrium position will shift to the right in order to replace some of the lost NH3. ] ] ] (More)
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Asked 8/5/2012 9:13:38 AM
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The four hydrogen nuclei that are fused together are more massive than the helium nucleus that they make. Why? a.It is resupplied to the sun by meteoroid impacts b.It reappears later as neutrinos c.It is ejected from the star in flare activity d.It is converted to energy
Weegy: D) It is converted to energy. User: Westerly winds are characteristic of the...? trade-wind belts of both hemispheres. middle latitudes of the northern hemisphere only. middle latitudes of both hemispheres. middle latitudes of the southern hemisphere only (More)
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Asked 8/8/2012 8:05:14 PM
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The four hydrogen nuclei that are fused together are more massive than the helium nucleus that they make. What? It is resupplied to the sun by meteoroid impacts It reappears later as neutrinos It is ejected from the star in flare activity It is converted to energy
Weegy: The Sun generates energy in its core via a type of nuclear reaction known as nuclear fusion. Basically, the tremendous heat and pressure at the heart of the Sun causes the nuclei of several hydrogen atoms to fuse together to form helium atoms. [ When this happens, a relatively small portion (less than 1%) of the mass of the atoms is converted into energy. Although very little mass is lost, a large amount of energy is generated; for the conversion of mass to energy proceeds in accordance with Einstein's famous equation, E = mc2, in which c, the speed of light, is a very, very big number! ] (More)
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Asked 8/8/2012 8:02:29 PM
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The numbers of points in the intersection of the graphs of y = l x+2 l and y= -l x l +2 is a. infinitely many b. a finite but indeterminable number c. 3 d. 2 e. 0
Weegy: a finite but indeterminable number User: 3. If n! / 2 = (n - 2)! then n = a. 1 b. 2 c. 3 d. 4 e. 5 (More)
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Asked 8/8/2012 9:03:42 PM
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