Answers: 1
Chemistry, 22.06.2019 06:00
Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?
Answers: 3
Chemistry, 22.06.2019 10:00
What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18
Answers: 1
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 โ k + o2 (b) na + i2 โ nai (c) cu(no3 )2 + naoh โ cu(oh)2 + nano3 (d) kclo3 โ kcl + o2 (e) ca(no3 )2 + hbr โ cabr2 + hno3 (f) sn(oh)2 โ sno + h2 o (g) p4 + n2 o โ p4 o6 + n2 (h) fe + al2 (so4 )3 โ feso4 + al (i) alcl3 + na2 co3 โ al2 (co3 )3 + nacl (j) c3 h6 + o2 โ co2 + h2 o
Answers: 1
Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+eโโฝโโโcu(s)pb2+(aq)+2eโโฝโโโpb(s)fe3+(aq)+3eโโฝโโโfe(=6.2ร108=4.0ร10โ5=9.3ร10โ3 cu + ( aq ) + e โ โฝ โ โ โ cu ( s ) k =6.2ร 10 8 pb 2 + ( aq ) +2 e โ โฝ โ โ โ pb ( s ) k =4.0ร 10 โ 5 fe 3 + ( aq ) +3 e โ โฝ โ โ โ fe ( s ) k =9.3ร 10 โ 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
Acompound with a formula mass of 116.07 amu is found to be 41.39% carbon, 3.47% hydrogen and 55.14%...
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