Balance these chem problems
1) KClO3 → KCl + O2
2) Al + O2 → Al2O3
3) Al +...
Balance these chem problems
1) KClO3 → KCl + O2
2) Al + O2 → Al2O3
3) Al + HCl → AlCl3 + H2
4) C8H20 + O2 → CO2 + H2O
5) ZnBr3 + CaO → Zn2O3 + CaBr2
6) Ca3N2 + K K3N + Ca
7) Fe2(CrO4)3 + Pb(NO3)4 → Fe(NO3)3 + Pb(CrO4)2
8) Fe + O2 → Fe2O3
9) C6H12O6 → C + H2O
10) C4H12 + O2 → CO2 + H2O
11) Fe2O3 → Fe + O2
12) C7H6O + O2 → CO2 + H2O
13) Cu3(PO4)2 + AuCl → Au3PO4 + CuCl2
14) SO2 + O2 → SO3
15) H2 + O2 → H2O
16) NH4OH → NH3 + H2O
17) H3PO4 → P2O5 + H2O
18) AgNO3 + Fe2S3 → Fe(NO3)3 + Ag2S
19) Cu + AuCl → Au + CuCl2
*20) C55H104O6 + O2 → CO2 + H2O
Answers: 3
Chemistry, 21.06.2019 21:00
Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?
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In what environment would mineral formation caused by high pressures and high temperatures most likely occur?
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Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .
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Chemistry, 23.06.2019 00:30
You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices
Answers: 3
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