Chemistry, 27.02.2022 09:40 silviamgarcia
1. Interpret the following balanced chemical equations in terms of particles, moles, and mass. Show that the law of
conservation of mass is observed.
a. N2 (g) + 3H2(g) → 2NH3(g)
b. HCl(aq) + KOH(aq) → KCI (aq) + H2O (1)
C. 2Mg(s) + O2(g) → 2MgO (S)
Answers: 3
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An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?
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In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added
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1. Interpret the following balanced chemical equations in terms of particles, moles, and mass. Show...
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