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Chemistry, 21.06.2019 22:30
Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
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Chemistry, 22.06.2019 07:00
6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space
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Chemistry, 22.06.2019 10:30
Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o ā k + o2 (b) na + i2 ā nai (c) cu(no3 )2 + naoh ā cu(oh)2 + nano3 (d) kclo3 ā kcl + o2 (e) ca(no3 )2 + hbr ā cabr2 + hno3 (f) sn(oh)2 ā sno + h2 o (g) p4 + n2 o ā p4 o6 + n2 (h) fe + al2 (so4 )3 ā feso4 + al (i) alcl3 + na2 co3 ā al2 (co3 )3 + nacl (j) c3 h6 + o2 ā co2 + h2 o
Answers: 1
Chemistry, 22.06.2019 14:10
16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.
Answers: 2
What is the missing substance in the neutralization reaction below?
H2SO4 + ā (NH4)2SO4 + 2 H2O...
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