Answer this. (a) which two conditions must be fulfilled by balanced ionic equations? select all that apply
number of atoms of each kind must be the same on both sides of the arrow.
electrical charge must be balanced.
the number of reactants must equal the number of products.
the sum of coefficients for reactants and products must be equal
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How many moles are in 250 grams of tungsten (w)? * 4.4x10^23 moles 4.2x10^23 moles 0.7 moles 1.4 moles
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Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?
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Liquid ammonia is produced at high temperatures and under great pressure in a tank by passing a mixture of nitrogen gas and hydrogen gas over an iron catalyst. the reaction is represented by the following equation. n2(g) + 3h2(g) → 2nh3(g) changing all but one experimental condition will affect the amount of ammonia produced. that condition is a) increasing the concentration of both reactants b) changing the temperature within the tank c) decreasing the pressure within the tank. d) increasing only the amount of nitrogen present.
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Chemistry, 22.06.2019 22:30
Rank the four gases (air, exhaled air, gas produced from from decomposition of h2o2, gas from decomposition of nahco3) in order of increasing concentration of co2
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Answer this. (a) which two conditions must be fulfilled by balanced ionic equations? select all tha...
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