Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
501	Balance	C_10H_22+O_2→CO_2+H_2O	$C_{10} H_{22} + O_{2} \to C O_{2} + H_{2} O$
502	Balance	C+O→CO	$C + O \to C O$
503	Balance	C_8H_18+O_2→CO_2+O_2	$C_{8} H_{18} + O_{2} \to C O_{2} + O_{2}$
504	Balance	c_5h_9o+o_2→co_2+h_2o	$c_{5} h_{9} o + o_{2} \to c o_{2} + h_{2} o$
505	Balance	C_3H_6+O_2→CO_2+H_2O	$C_{3} H_{6} + O_{2} \to C O_{2} + H_{2} O$
506	Balance	c→h	$c \to h$
507	Balance	BaS+PtF_2→BaF_2+PtS	$B a S + P t F_{2} \to B a F_{2} + P t S$
508	Balance	B_5H_9+O_2→B_2O_3+H_2O	$B_{5} H_{9} + O_{2} \to B_{2} O_{3} + H_{2} O$
509	Balance	Au_2S_3+H_2→Au+H_2S	$A u_{2} S_{3} + H_{2} \to A u + H_{2} S$
510	Balance	BaCl_2+H_2SO_4→BaSO_4+HCl	$B a C l_{2} + H_{2} S O_{4} \to B a S O_{4} + H C l$
511	Balance	C_6H_14+O_2→CO_2+H_2O	$C_{6} H_{14} + O_{2} \to C O_{2} + H_{2} O$
512	Balance	C_6H_10+O_2→CO_2+H_2O	$C_{6} H_{10} + O_{2} \to C O_{2} + H_{2} O$
513	Balance	Ca_2Si+Cl_2→CaCl_2+SiCl_4	$C a_{2} S i + C l_{2} \to C a C l_{2} + S i C l_{4}$
514	Balance	C_3H_8O+O_2→CO_2+H_2O	$C_{3} H_{8} O + O_{2} \to C O_{2} + H_{2} O$
515	Balance	C_2H_6+Cl_2→C_2H_4Cl_2+HCl	$C_{2} H_{6} + C l_{2} \to C_{2} H_{4} C l_{2} + H C l$
516	Balance	C_2H_6(I)+O_2(g)→CO_2(g)+H_2O(g)	$C_{2} H_{6} (I) + O_{2} (g) \to C O_{2} (g) + H_{2} O (g)$
517	Balance	Au+Cl_2→AuCl_3	$A u + C l_{2} \to A u C l_{3}$
518	Balance	3X+2Y→X_3Y_2	$3 X + 2 Y \to X_{3} Y_{2}$
519	Balance	Al+H_2SO_4→Al_2(SO_4)_3+H_2	$A l + H_{2} S O_{4} \to A l_{2} {(S O_{4})}_{3} + H_{2}$
520	Balance	S_8+O_2→SO_2	$S_{8} + O_{2} \to S O_{2}$
521	Balance	Ag_2S→Ag+S_8	$A g_{2} S \to A g + S_{8}$
522	Balance	ag+hno_3→no+h_2o+agno_3	$a g + h n o_{3} \to n o + h_{2} o + a g n o_{3}$
523	Balance	Ag+S_8→Ag_2S	$A g + S_{8} \to A g_{2} S$
524	Balance	A+B→C+D	$A + B \to C + D$
525	Balance	AgNO_3+AlCl_3→AgCl+Al(NO_3)_3	$A g N O_{3} + A l C l_{3} \to A g C l + A l {(N O_{3})}_{3}$
526	Balance	Al+H_2SO_4→Al_2(SO_4)_3	$A l + H_{2} S O_{4} \to A l_{2} {(S O_{4})}_{3}$
527	Balance	AgNO+NaCI→AgCI+NaNO_3	$A g N O + N a C I \to A g C I + N a N O_{3}$
528	Balance	Al+HCl→AlCl_3+H_2	$A l + H C l \to A l C l_{3} + H_{2}$
529	Balance	Al+HCl→H_2+AlCl_3	$A l + H C l \to H_{2} + A l C l_{3}$
530	Balance	Al(OH)_3+H_2SO_4→Al_2(SO_4)_3+H_2O	$A l {(O H)}_{3} + H_{2} S O_{4} \to A l_{2} {(S O_{4})}_{3} + H_{2} O$
531	Balance	Al_4C_3+H_2O=Na_3SbO_3+H_2O	$A l_{4} C_{3} + H_{2} O = N a_{3} S b O_{3} + H_{2} O$
532	Balance	Fe+H_2SO_4→Fe(SO_4)_3+H_2	$F e + H_{2} S O_{4} \to F e {(S O_{4})}_{3} + H_{2}$
533	Balance	Fe+HCl→FeCl_2+H_2	$F e + H C l \to F e C l_{2} + H_{2}$
534	Balance	Fe_3O_4+Al→Al_2O_3+Fe	$F e_{3} O_{4} + A l \to A l_{2} O_{3} + F e$
535	Balance	Fe_3O_4+H_2→Fe+H_2O	$F e_{3} O_{4} + H_{2} \to F e + H_{2} O$
536	Balance	FeCl_3+NH_4OH→Fe(OH)_3+NH_4Cl	$F e C l_{3} + N H_{4} O H \to F e {(O H)}_{3} + N H_{4} C l$
537	Balance	NaBr+Ca(OH)_2→CaBr_2+NaOH	$N a B r + C a {(O H)}_{2} \to C a B r_{2} + N a O H$
538	Balance	Li_3N+NH_4NO_3→LiNO_3+(NH_4)_3N	$L i_{3} N + N H_{4} N O_{3} \to L i N O_{3} + {(N H_{4})}_{3} N$
539	Balance	SO_3→SO_2+O_2	$S O_{3} \to S O_{2} + O_{2}$
540	Balance	H→O	$H \to O$
541	Balance	H_2(g)+P_4(s)→PH_3(g)	$H_{2} (g) + P_{4} (s) \to P H_{3} (g)$
542	Balance	H_2O_2→H_2O	$H_{2} O_{2} \to H_{2} O$
543	Balance	h_2+cl_2→2hcl	$h_{2} + c l_{2} \to 2 h c l$
544	Balance	H_2+N_2→NH_3	$H_{2} + N_{2} \to N H_{3}$
545	Balance	H+2O=H_2O	$H + 2 O = H_{2} O$
546	Balance	H+HO→HO	$H + H O \to H O$
547	Balance	co_2+h_2o→h_2co_3	$c o_{2} + h_{2} o \to h_{2} c o_{3}$
548	Balance	Cu_2O+C→Cu+CO_2	$C u_{2} O + C \to C u + C O_{2}$
549	Balance	CO+O_2→CO_2	$C O + O_{2} \to C O_{2}$
550	Balance	CS_2+O_2→CO_2+SO_2	$C S_{2} + O_{2} \to C O_{2} + S O_{2}$
551	Balance	S+O_2→SO_3	$S + O_{2} \to S O_{3}$
552	Balance	CuH_2SO_4=CuSO_4+SO_2+H_2O	$C u H_{2} S O_{4} = C u S O_{4} + S O_{2} + H_{2} O$
553	Balance	Mg+HCl→MgCl_2+H_2	$M g + H C l \to M g C l_{2} + H_{2}$
554	Balance	CH_3C_6H_12CH_3+O_2→CO_2+H_2O	$C H_{3} C_{6} H_{12} C H_{3} + O_{2} \to C O_{2} + H_{2} O$
555	Balance	CaCO_3→Ca+CO_2	$C a C O_{3} \to C a + C O_{2}$
556	Balance	CH_3CH_2OH+O_2→H_2O+CH_3COOH	$C H_{3} C H_{2} O H + O_{2} \to H_{2} O + C H_{3} C O O H$
557	Balance	CH_4+2O_2→CO_2+2H_2O	$C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O$
558	Balance	CH_3OH+O_2→CO_2+H_2O	$C H_{3} O H + O_{2} \to C O_{2} + H_{2} O$
559	Balance	Ca(OH)_2+H_3PO_4→Ca_3(PO_4)_2+H_2O	$C a {(O H)}_{2} + H_{3} P O_{4} \to C a_{3} {(P O_{4})}_{2} + H_{2} O$
560	Balance	C_7H_9+HNO_3→C_7H_6(NO_2)_3+H_2O	$C_{7} H_{9} + H N O_{3} \to C_{7} H_{6} {(N O_{2})}_{3} + H_{2} O$
561	Balance	CaCO_3+H_3PO_4→Ca_3(PO_4)_2CO_2H_2O	$C a C O_{3} + H_{3} P O_{4} \to C a_{3} {(P O_{4})}_{2} C O_{2} H_{2} O$
562	Find the Electron Configuration	Ce	$C e$
563	Find the Mass of 1 Mole	Na_2S	$N a_{2} S$
564	Find the Electron Configuration	Rh	$R h$
565	Find the Electron Configuration	Rn	$R n$
566	Find the Electron Configuration	Ru	$R u$
567	Find the Electron Configuration	Pd	$P d$
568	Find the Electron Configuration	Ir	$I r$
569	Find the Electron Configuration	Kr	$K r$
570	Find the Electron Configuration	Lr	$L r$
571	Find the Electron Configuration	Eu	$E u$
572	Find the Mass of 1 Mole	V	$V$
573	Find the Mass of 1 Mole	Ti_2	$T i_{2}$
574	Find the Mass of 1 Mole	SnO_2	$S n O_{2}$
575	Find the Mass of 1 Mole	Tc	$T c$
576	Find the Mass of 1 Mole	ZnCO_3	$Z n C O_{3}$
577	Find the Electron Configuration	46Ba	$46 B a$
578	Find the Mass Percentages	CO_2	$C O_{2}$
579	Find the Mass Percentages	CoPt	$C o P t$
580	Find the Mass Percentages	C	$C$
581	Find the Mass Percentages	Ag	$A g$
582	Find the Mass Percentages	BC_6P_4	$B C_{6} P_{4}$
583	Find the Mass Percentages	C_18H_36O_2	$C_{18} H_{36} O_{2}$
584	Find the Number of Protons	Ti	$T i$
585	Find the Electron Configuration	V	$V$
586	Find the Electron Configuration	W	$W$
587	Find the Electron Configuration	Te	$T e$
588	Balance	H_2SO_4+B(OH)_3→B_2(SO_4)_3+H_2O	$H_{2} S O_{4} + B {(O H)}_{3} \to B_{2} {(S O_{4})}_{3} + H_{2} O$
589	Balance	C_6H_6+O_2→H_2O+CO_2	$C_{6} H_{6} + O_{2} \to H_{2} O + C O_{2}$
590	Find the Mass Percentages	2KClO_3	$2 K C l O_{3}$
591	Find the Mass Percentages	Al	$A l$
592	Find the Mass Percentages	NH_4OH	$N H_{4} O H$
593	Find the Mass Percentages	NH_4Cl	$N H_{4} C l$
594	Find the Mass Percentages	NH_4NO_3	$N H_{4} N O_{3}$
595	Find the Mass Percentages	NaSO	$N a S O$
596	Find the Mass Percentages	NaHCO_3	$N a H C O_{3}$
597	Find the Mass Percentages	PO_3	$P O_{3}$
598	Find the Mass Percentages	SnO	$S n O$
599	Find the Mass Percentages	MgO	$M g O$
600	Find the Mass Percentages	Na	$N a$