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Which of the following must be the same before and after a chemical reaction?Answer: The sum of the masses of all substances
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2. asked by Jessica
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Given the reaction represented by the equation Mg + 2HCl --> H2 + MgCl2, determine to two decimal places the molar masses of all
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2. asked by i dont know
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Methane burns in air according to this equation:CH4(9) +202(9) CO2(g) + 2 H2O(1) The table shows the molar masses of substances
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If two different masses have the same kinetic energy, their momenta are:a. proportional to the squares of their masses b.
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2. asked by Anonymous
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which statement incorrectly describes air masses?tropical air masses form closer to the equator where the air is warm. maritime
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A system consist of particles of masses 5, 2 and 3g located at (1, 0, -1) ( 1, 2, 1) and ( 1, -1, -3) respectively. find the
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2. asked by Blessing
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Four identical masses of 800kg each are placed at the corners of a square whose side length is 10.0cm. What is the net
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2. asked by Jaime
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Three masses are arranged on a flat surface as shown. Two of the masses are as follows: m2 = 16.3 kg and m3 = 66.5 kg. A
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2. asked by dillon
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1. Finf the width of a rectangle whose area is 36 sq in. And length is 9in.2. The attraction F of any two masses m1 and m2 foe
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2. asked by Mckenna Louise
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Which statement incorrectly describes air masses?Tropical air masses closer to the equator where the air is warm Maritime air
1. 1 answer
2. 78 views