Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
1701	Balance	Be_2C+H_2O→BE(OH)_2+CH_4
1702	Balance	Co+HI→H_2+Col_3	$C o + H I \to H_{2} + C o l_{3}$
1703	Balance	Na→Bi	$N a \to B i$
1704	Balance	Na→Cl	$N a \to C l$
1705	Balance	Na_2O+H_2O→NaOH	$N a_{2} O + H_{2} O \to N a O H$
1706	Balance	Na+Cl→NaCl	$N a + C l \to N a C l$
1707	Balance	Na+Cl=NaCl	$N a + C l = N a C l$
1708	Find the Number of Protons	Mn	$M n$
1709	Balance	Na+Cu→Co+H(2O)	$N a + C u \to C o + H (2 O)$
1710	Balance	Na+H_2O→NaOH	$N a + H_{2} O \to N a O H$
1711	Balance	Na+I_2→NaI	$N a + I_{2} \to N a I$
1712	Balance	Na_2+2Cl_300=NaCl	$N a_{2} + 2 C l_{300} = N a C l$
1713	Balance	Na_2CO_3+HCl→NaCl+H_2O+CO_2	$N a_{2} C O_{3} + H C l \to N a C l + H_{2} O + C O_{2}$
1714	Balance	Na_2SO_4+BaCl_3→BaSO_4+NaCl	$N a_{2} S O_{4} + B a C l_{3} \to B a S O_{4} + N a C l$
1715	Balance	Na_3P+CaF_2=NaF+CA_3P_2	$N a_{3} P + C a F_{2} = N a F + C A_{3} P_{2}$
1716	Balance	Na_3PO_4+KOH→NAOH+K_3PO_4	$N a_{3} P O_{4} + K O H \to N A O H + K_{3} P O_{4}$
1717	Balance	NaBr+Ca_3(PO_4)_2→CaBr_2+Na_3PO_4	$N a B r + C a_{3} {(P O_{4})}_{2} \to C a B r_{2} + N a_{3} P O_{4}$
1718	Balance	NaBr+CaF_2→NaF+CaBr_2	$N a B r + C a F_{2} \to N a F + C a B r_{2}$
1719	Balance	NaCl+H_2O→HCl+NaO	$N a C l + H_{2} O \to H C l + N a O$
1720	Balance	NaCl+AgNO_3→NaNO_3+AgCl	$N a C l + A g N O_{3} \to N a N O_{3} + A g C l$
1721	Balance	NaCl+H_2SO_4→HCL+NaHSO_4	$N a C l + H_{2} S O_{4} \to H C L + N a H S O_{4}$
1722	Balance	NaHCO_3→Na_2CO_3+CO_2+H_2O	$N a H C O_{3} \to N a_{2} C O_{3} + C O_{2} + H_{2} O$
1723	Balance	NaI+Cl_2→NaCl+I_2	$N a I + C l_{2} \to N a C l + I_{2}$
1724	Balance	NaOH+Ca(NO_3)_2→Ca(OH)_2+NaNO_3	$N a O H + C a {(N O_{3})}_{2} \to C a {(O H)}_{2} + N a N O_{3}$
1725	Balance	NaOH+CH_3COOH→CH_3COONa+H_2O	$N a O H + C H_{3} C O O H \to C H_{3} C O O N a + H_{2} O$
1726	Balance	NaOH+H_2SO_4→NaSO_4+H_2O	$N a O H + H_{2} S O_{4} \to N a S O_{4} + H_{2} O$
1727	Balance	NaOH+HI→NaI+H_2O	$N a O H + H I \to N a I + H_{2} O$
1728	Balance	Nb+2Ti+O_2→Ti_2Nb_3+O_5	$N b + 2 T i + O_{2} \to T i_{2} N b_{3} + O_{5}$
1729	Balance	NH_3+H_2SO_4→(NH_4)SO_4	$N H_{3} + H_{2} S O_{4} \to (N H_{4}) S O_{4}$
1730	Balance	NH_3+O_2=NO+H_2O	$N H_{3} + O_{2} = N O + H_{2} O$
1731	Balance	C_2H_2+C_2H_6→C_3H_8	$C_{2} H_{2} + C_{2} H_{6} \to C_{3} H_{8}$
1732	Balance	xO_2+yH_2→zH_2O	$x O_{2} + y H_{2} \to z H_{2} O$
1733	Balance	Cl_2+2KOH→KCI+KCIO+H_2O	$C l_{2} + 2 K O H \to K C I + K C I O + H_{2} O$
1734	Balance	Na_3C_3H_5O_7+HCL→H_3C_3H_5O_7+NaCl	$N a_{3} C_{3} H_{5} O_{7} + H C L \to H_{3} C_{3} H_{5} O_{7} + N a C l$
1735	Balance	SnCl_4+NH_3→SnCl_3+HCl+N_2	$S n C l_{4} + N H_{3} \to S n C l_{3} + H C l + N_{2}$
1736	Balance	SO_2+H_2O→H_2SO_4	$S O_{2} + H_{2} O \to H_{2} S O_{4}$
1737	Balance	RbNO_3+BeF_2→Be(NO_3)_2+RbF	$R b N O_{3} + B e F_{2} \to B e {(N O_{3})}_{2} + R b F$
1738	Balance	PbS+H_2O_2→PbSO_4+H_2O	$P b S + H_{2} O_{2} \to P b S O_{4} + H_{2} O$
1739	Balance	Sr(s)+P_4(s)→Sr_3P_2(s)	$S r (s) + P_{4} (s) \to S r_{3} P_{2} (s)$
1740	Balance	ZNO+Cr→Zn+Cr_2O_3	$Z N O + C r \to Z n + C r_{2} O_{3}$
1741	Balance	ZnS+HBr→ZnBr_2+H_2S	$Z n S + H B r \to Z n B r_{2} + H_{2} S$
1742	Balance	NH_4Cl+NaNO_2→NaCl+H_2O+N_2	$N H_{4} C l + N a N O_{2} \to N a C l + H_{2} O + N_{2}$
1743	Balance	y=11(x)	$y = 11 (x)$
1744	Balance	y=3cos(x)	$y = 3 \cos (x)$
1745	Balance	CrI_3+Na(OH)+Cl_2→NaIO_4+Na_2CrO_4+NaCl+H_2O	$C r I_{3} + N a (O H) + C l_{2} \to N a I O_{4} + N a_{2} C r O_{4} + N a C l + H_{2} O$
1746	Balance	y=5x	$y = 5 x$
1747	Balance	CaCO_3+H_3PO_4→Ca_3(PO_4)_2+H_2O+CO_2	$C a C O_{3} + H_{3} P O_{4} \to C a_{3} {(P O_{4})}_{2} + H_{2} O + C O_{2}$
1748	Balance	KMnO_4+NaCl+H_2SO_4→Cl_2+K_2SO_4+MnSO_4+H_2O+Na_2SO_4	$K M n O_{4} + N a C l + H_{2} S O_{4} \to C l_{2} + K_{2} S O_{4} + M n S O_{4} + H_{2} O + N a_{2} S O_{4}$
1749	Balance	Zn(OH)_2+CH_3COOH→Zn(Ch_3COO)_2+H_2O	$Z n {(O H)}_{2} + C H_{3} C O O H \to Z n {(C h_{3} C O O)}_{2} + H_{2} O$
1750	Balance	Zn+AgNO_3=Zn(NO_3)_2+Ag	$Z n + A g N O_{3} = Z n {(N O_{3})}_{2} + A g$
1751	Balance	Zn+FeCl_3→Fe+ZnCl_2	$Z n + F e C l_{3} \to F e + Z n C l_{2}$
1752	Balance	Zn+H→Zn_2+H_2	$Z n + H \to Z n_{2} + H_{2}$
1753	Balance	Zn+H_2SO_4→H_2+ZnSO_4	$Z n + H_{2} S O_{4} \to H_{2} + Z n S O_{4}$
1754	Balance	Np_12→Ni_4	$N p_{12} \to N i_{4}$
1755	Balance	O→N	$O \to N$
1756	Balance	O+C_1H_4=H_2O+CO_2	$O + C_{1} H_{4} = H_{2} O + C O_{2}$
1757	Balance	O_2+Ca=CaO	$O_{2} + C a = C a O$
1758	Balance	O_2+KOH→HKO+O	$O_{2} + K O H \to H K O + O$
1759	Balance	O_2+S_8→8SO_3	$O_{2} + S_{8} \to 8 S O_{3}$
1760	Balance	O_2SO_4→NaOH	$O_{2} S O_{4} \to N a O H$
1761	Balance	Mn(oh)_3+H(BrO_3)=MnBr+H_2O	$M n {(o h)}_{3} + H (B r O_{3}) = M n B r + H_{2} O$
1762	Balance	P_4(s)+O_2(g)→P_4O_10(s)	$P_{4} (s) + O_{2} (g) \to P_{4} O_{10} (s)$
1763	Balance	C_2H_2+I_2→C_2H_4I_2	$C_{2} H_{2} + I_{2} \to C_{2} H_{4} I_{2}$
1764	Balance	P_4+F_2→PF_3	$P_{4} + F_{2} \to P F_{3}$
1765	Balance	P+HNO_3+H_2O=H_3PO_4+NO	$P + H N O_{3} + H_{2} O = H_{3} P O_{4} + N O$
1766	Balance	Cr(OH)_2+o_2+h_2o→cr(oh)_3	$C r {(O H)}_{2} + o_{2} + h_{2} o \to c r {(o h)}_{3}$
1767	Balance	C_2H_5OH→H_2*0+CO_2	$C_{2} H_{5} O H \to H_{2} \cdot 0 + C O_{2}$
1768	Balance	P_4+Br_2→PBr_3	$P_{4} + B r_{2} \to P B r_{3}$
1769	Balance	P_4+O→P_4O_10	$P_{4} + O \to P_{4} O_{10}$
1770	Balance	p_4+O_2→P_4O_10	$p_{4} + O_{2} \to P_{4} O_{10}$
1771	Balance	4NH_3+5O_2→4NO+6H_2O	$4 N H_{3} + 5 O_{2} \to 4 N O + 6 H_{2} O$
1772	Balance	Pb(NO_3)_2+KCl→PbCl_2+K(NO_3)	$P b {(N O_{3})}_{2} + K C l \to P b C l_{2} + K (N O_{3})$
1773	Balance	Pb(NO_3)+KI→PbI_2+KNO_3	$P b (N O_{3}) + K I \to P b I_{2} + K N O_{3}$
1774	Balance	pb=2o	$p b = 2 o$
1775	Balance	PbBr_2+HCI→HBr+PbCl_2	$P b B r_{2} + H C I \to H B r + P b C l_{2}$
1776	Balance	PbO+C→Pb+CO_2	$P b O + C \to P b + C O_{2}$
1777	Balance	Zr+Ne→ZrNe	$Z r + N e \to Z r N e$
1778	Balance	H_2SO_4+HI=H_2S+I_2+H_2O	$H_{2} S O_{4} + H I = H_{2} S + I_{2} + H_{2} O$
1779	Balance	H_2SO_4+Zn→2ZnSO_4+H_2	$H_{2} S O_{4} + Z n \to 2 Z n S O_{4} + H_{2}$
1780	Balance	HBr+Ba(OH)_2→BaBr_2+H_2O	$H B r + B a {(O H)}_{2} \to B a B r_{2} + H_{2} O$
1781	Balance	HCl+Ca(OH)_2→CaCl_2+H_2O	$H C l + C a {(O H)}_{2} \to C a C l_{2} + H_{2} O$
1782	Balance	H_2+O_2→HO	$H_{2} + O_{2} \to H O$
1783	Balance	H_2O→H	$H_{2} O \to H$
1784	Balance	H_2O→H_14+O_7	$H_{2} O \to H_{14} + O_{7}$
1785	Balance	3SrBr_2+(NH_4)_2(CO_3)→Sr(Co_3)+2(NH_4)Br	$3 S r B r_{2} + {(N H_{4})}_{2} (C O_{3}) \to S r (C o_{3}) + 2 (N H_{4}) B r$
1786	Balance	3H_2(g)+N_2(g)→2NH_3(g)	$3 H_{2} (g) + N_{2} (g) \to 2 N H_{3} (g)$
1787	Balance	Al+CuSO_4→Al_2(SO_4)_3+Cu	$A l + C u S O_{4} \to A l_{2} {(S O_{4})}_{3} + C u$
1788	Balance	Al(OH)_3+3HCL=AlCl_3+3H_2O	$A l {(O H)}_{3} + 3 H C L = A l C l_{3} + 3 H_{2} O$
1789	Balance	H_2SO_4+LiOH→H_2O+Li_2SO_4	$H_{2} S O_{4} + L i O H \to H_{2} O + L i_{2} S O_{4}$
1790	Balance	KNO_3+C_12H_22O_11→N_2+CO_2+H_2O+K_2CO_3	$K N O_{3} + C_{12} H_{22} O_{11} \to N_{2} + C O_{2} + H_{2} O + K_{2} C O_{3}$
1791	Balance	c_6h_14+o_2→co_2+h_2o	$c_{6} h_{14} + o_{2} \to c o_{2} + h_{2} o$
1792	Balance	4c=dforc	$4 c =$ dforc
1793	Balance	4Li+O_2=2Li_2O	$4 L i + O_{2} = 2 L i_{2} O$
1794	Balance	4NH_3+5O_2=4NO+6H_2O	$4 N H_{3} + 5 O_{2} = 4 N O + 6 H_{2} O$
1795	Balance	2ZnO+1C→2Zn+1CO	$2 Z n O + 1 C \to 2 Z n + 1 C O$
1796	Balance	li+alcl_3→licl+al	$l i + a l c l_{3} \to l i c l + a l$
1797	Balance	KHCO_3+H_3O_4P→K_3PO_4O+H_2O+CO_2	$K H C O_{3} + H_{3} O_{4} P \to K_{3} P O_{4} O + H_{2} O + C O_{2}$
1798	Balance	F_2+NH_3→N_2F_4+HF	$F_{2} + N H_{3} \to N_{2} F_{4} + H F$
1799	Balance	FeS+HCl→H_2S+FeCl_2	$F e S + H C l \to H_{2} S + F e C l_{2}$
1800	Balance	32Mn→2RuAuPo	$32 M n \to 2 R u A u P o$