Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
1601	Balance	Mg+N=Mg_3N_2	$M g + N = M g_{3} N_{2}$
1602	Balance	HCl+Fe(OH)_3→FeCl_3+H_2O	$H C l + F e {(O H)}_{3} \to F e C l_{3} + H_{2} O$
1603	Balance	HCl+Mg(OH)_2→H_2O+MgCl_2	$H C l + M g {(O H)}_{2} \to H_{2} O + M g C l_{2}$
1604	Balance	HCl+Z→Cl_2+H	$H C l + Z \to C l_{2} + H$
1605	Balance	He→HeF	$H e \to H e F$
1606	Balance	HgO→Hg+O	$H g O \to H g + O$
1607	Balance	HNO_3+HG+HCl→HGCl_2+NO+H_2O	$H N O_{3} + H G + H C l \to H G C l_{2} + N O + H_{2} O$
1608	Balance	HNO_3+Ba(OH)_2→H_2O+Ba(NO_3)_2	$H N O_{3} + B a {(O H)}_{2} \to H_{2} O + B a {(N O_{3})}_{2}$
1609	Find the Moles	How (many)(mol)(of)(NaOH)(are) in (20mL)(of)a(0.36M)(solution)	How $(m a n y) (m o l e s) (o f) (N a O H) (a r e)$ in $(20 mL) (o f) a (0.36 M) (s o l u t i o n)$
1610	Balance	I_2+HCIO_3+H_2O→HIO_3+HCl	$I_{2} + H C I O_{3} + H_{2} O \to H I O_{3} + H C l$
1611	Balance	I_2O_5+CO→CO_2+I_2	$I_{2} O_{5} + C O \to C O_{2} + I_{2}$
1612	Balance	iff (x)=-2(find)f*5	iff $(x) = - 2 (f i n d) f \cdot 5$
1613	Balance	Fe+AgNO_3→Fe(NO_3)_2+Ag	$F e + A g N O_{3} \to F e {(N O_{3})}_{2} + A g$
1614	Balance	K→F	$K \to F$
1615	Balance	k+2H_2O→2KOH+H_2	$k + 2 H_{2} O \to 2 K O H + H_{2}$
1616	Balance	K+CI_2→KCI	$K + C I_{2} \to K C I$
1617	Balance	K+HOH=KOH+H_2	$K + H O H = K O H + H_{2}$
1618	Balance	FeCl_3+Be_3(PO_4)_2→BeCl_2+Fe(Po_4)	$F e C l_{3} + B e_{3} {(P O_{4})}_{2} \to B e C l_{2} + F e (P o_{4})$
1619	Balance	K_2Cr_2O_7+H_2O+S→SO_2+KOH+Cr_2O_3	$K_{2} C r_{2} O_{7} + H_{2} O + S \to S O_{2} + K O H + C r_{2} O_{3}$
1620	Balance	K_2Cr_2O_7+H_2O+S_2→SO_2+KOH+Cr_2O_3	$K_{2} C r_{2} O_{7} + H_{2} O + S_{2} \to S O_{2} + K O H + C r_{2} O_{3}$
1621	Balance	K_2SO_4+H_2O→KOH+H_2SO_4	$K_{2} S O_{4} + H_{2} O \to K O H + H_{2} S O_{4}$
1622	Balance	K_2SO_4+Pb(NO_3)_2→KNO_3+PbSO_4	$K_{2} S O_{4} + P b {(N O_{3})}_{2} \to K N O_{3} + P b S O_{4}$
1623	Balance	K_3(Fe(CN)_6)+Cr_2O_3+KOH→K_4(Fe(CN)_6)K_2Cr_2O_4+H_2O	$K_{3} (F e {(C N)}_{6}) + C r_{2} O_{3} + K O H \to K_{4} (F e {(C N)}_{6}) K_{2} C r_{2} O_{4} + H_{2} O$
1624	Balance	K_3PO_4+Al(NO_3)_3→3KNO_3+AlPO_4	$K_{3} P O_{4} + A l {(N O_{3})}_{3} \to 3 K N O_{3} + A l P O_{4}$
1625	Balance	K_4(Fe(CN)_6)+K_2Cr_2O_7+H_2SO_4→Fe_2(SO_4)_3+CO_2+HNO_3+Cr_2(SO_4)+K_2SO_4+H_2O	$K_{4} (F e {(C N)}_{6}) + K_{2} C r_{2} O_{7} + H_{2} S O_{4} \to F e_{2} {(S O_{4})}_{3} + C O_{2} + H N O_{3} + C r_{2} (S O_{4}) + K_{2} S O_{4} + H_{2} O$
1626	Balance	K_4(Fe(CN)_6)+KMnO_4+H_2SO_4→Fe_2(SO_4)_3+CO_2+HNO_3+MnSO_4+K_2SO_4+H_2O	$K_{4} (F e {(C N)}_{6}) + K M n O_{4} + H_{2} S O_{4} \to F e_{2} {(S O_{4})}_{3} + C O_{2} + H N O_{3} + M n S O_{4} + K_{2} S O_{4} + H_{2} O$
1627	Balance	K_4Fe(CN)_6+H_2Sn_4+H_2n→K_2Sn_4+FeSn_4+(NH_4)_2Sn_4+Cn	$K_{4} F e {(C N)}_{6} + H_{2} S n_{4} + H_{2} n \to K_{2} S n_{4} + F e S n_{4} + {(N H_{4})}_{2} S n_{4} + C n$
1628	Balance	KCl+AgNO_3→KNO_3+AgCl	$K C l + A g N O_{3} \to K N O_{3} + A g C l$
1629	Balance	KCl+Pb(NO_3)_2→PbCl_2+KNO_3	$K C l + P b {(N O_{3})}_{2} \to P b C l_{2} + K N O_{3}$
1630	Balance	Mg(OH)_2+HCl→MgCl_2+H_2O	$M g {(O H)}_{2} + H C l \to M g C l_{2} + H_{2} O$
1631	Balance	H→Sc	$H \to S c$
1632	Balance	H_2O_2+CO_2→CO_2+H_2O	$H_{2} O_{2} + C O_{2} \to C O_{2} + H_{2} O$
1633	Balance	H_2O+C_2H_5=C_3H_6	$H_{2} O + C_{2} H_{5} = C_{3} H_{6}$
1634	Balance	H_2O+NaCl_2=HNa+ClO	$H_{2} O + N a C l_{2} = H N a + C l O$
1635	Balance	H_2O+O_2→H_2O	$H_{2} O + O_{2} \to H_{2} O$
1636	Balance	H_2S→HLi	$H_{2} S \to H L i$
1637	Balance	H_2SnCl_6+H_2S→SnS_2+HCl	$H_{2} S n C l_{6} + H_{2} S \to S n S_{2} + H C l$
1638	Balance	H_2SO_4+Al(OH)_3→Al_2(SO_4)_3+H_2O	$H_{2} S O_{4} + A l {(O H)}_{3} \to A l_{2} {(S O_{4})}_{3} + H_{2} O$
1639	Balance	H_3PO_4+HCl→PCl_5+H_2O	$H_{3} P O_{4} + H C l \to P C l_{5} + H_{2} O$
1640	Balance	H+3Pb→2HPb	$H + 3 P b \to 2 H P b$
1641	Balance	H+Ca=HCa	$H + C a = H C a$
1642	Balance	PV=nRT	$P V = n R T$
1643	Balance	Al(OH)_3+H_2SO_4→AL_2(SO_4)_3+H_2O	$A l {(O H)}_{3} + H_{2} S O_{4} \to A L_{2} {(S O_{4})}_{3} + H_{2} O$
1644	Balance	H+x→Lr	$H + x \to L r$
1645	Balance	H_2(g)+Br_2(g)→2HBr(g)	$H_{2} (g) + B r_{2} (g) \to 2 H B r (g)$
1646	Balance	H_2+Cl_2→HCl	$H_{2} + C l_{2} \to H C l$
1647	Balance	H_2+Fe_3O_4→Fe+H_2O	$H_{2} + F e_{3} O_{4} \to F e + H_{2} O$
1648	Balance	H_2+N→HN_5	$H_{2} + N \to H N_{5}$
1649	Balance	C_4H_9OH+O_2→C_4H_7O_2H+H_2O	$C_{4} H_{9} O H + O_{2} \to C_{4} H_{7} O_{2} H + H_{2} O$
1650	Balance	H_2+NO→H_2O+N_2	$H_{2} + N O \to H_{2} O + N_{2}$
1651	Balance	fe_2+co_2+h_2o→4fe_2co_3	$f e_{2} + c o_{2} + h_{2} o \to 4 f e_{2} c o_{3}$
1652	Balance	Fe_2O_2+H_2SO_4→FeSO_4+H_2O	$F e_{2} O_{2} + H_{2} S O_{4} \to F e S O_{4} + H_{2} O$
1653	Balance	FeBr_3+NH_4S→FeNH_4+BrS	$F e B r_{3} + N H_{4} S \to F e N H_{4} + B r S$
1654	Balance	FeCl_3+Na_2CO_3→Fe_2(CO_3)+NaCl	$F e C l_{3} + N a_{2} C O_{3} \to F e_{2} (C O_{3}) + N a C l$
1655	Balance	FeO_3(s)+CO(g)→Fe(l)+CO_2(g)	$F e O_{3} (s) + C O (g) \to F e (l) + C O_{2} (g)$
1656	Balance	C_9H_20+O_2→CO_2+H_2O	$C_{9} H_{20} + O_{2} \to C O_{2} + H_{2} O$
1657	Balance	C_9H_20O_2+O_2→CO_2+H_2O	$C_{9} H_{20} O_{2} + O_{2} \to C O_{2} + H_{2} O$
1658	Balance	Ca(HP)+Na_2(CaPb)=H_2Ca_3+Pb_2+Na_3P	$C a (H P) + N a_{2} (C a P b) = H_{2} C a_{3} + P b_{2} + N a_{3} P$
1659	Balance	Ca(nH)_2+H_3Pn_4→Ca_3(Pn_4)_2+H_2n	$C a {(n H)}_{2} + H_{3} P n_{4} \to C a_{3} {(P n_{4})}_{2} + H_{2} n$
1660	Balance	Ca(nH)_2+H_3Pn_4→Ca_3(Pn_4)_2+HnH	$C a {(n H)}_{2} + H_{3} P n_{4} \to C a_{3} {(P n_{4})}_{2} + H n H$
1661	Balance	Ca(OH)→Ca_2	$C a (O H) \to C a_{2}$
1662	Balance	Ca(OH)_2+CH_3OOH→CH_3COOCa+H_2O	$C a {(O H)}_{2} + C H_{3} O O H \to C H_{3} C O O C a + H_{2} O$
1663	Balance	Ca(OH)_2+HNO_3→Ca(NO_3)_2+H_2O	$C a {(O H)}_{2} + H N O_{3} \to C a {(N O_{3})}_{2} + H_{2} O$
1664	Balance	Ca→Fe	$C a \to F e$
1665	Balance	Ca→Sc	$C a \to S c$
1666	Balance	ca_2+b=abc+abc	$c a_{2} + b = a b c + a b c$
1667	Balance	PCl_3+H_2O→H_2PO_3+HCl	$P C l_{3} + H_{2} O \to H_{2} P O_{3} + H C l$
1668	Balance	PdRh→MgNa	$P d R h \to M g N a$
1669	Balance	pH=- log of 5.3[[H_3]]	$p H = - \log (5.3) [\begin{array}{c} H_{3} \end{array}]$
1670	Balance	PhCH_3+KMnn_4+H_2Sn_4→PhCnnH+K_2Sn_4+MnSn_4+H_2n	$P h C H_{3} + K M n n_{4} + H_{2} S n_{4} \to P h C n n H + K_{2} S n_{4} + M n S n_{4} + H_{2} n$
1671	Balance	Cu+HNO_3→CU(NO_3)_2+NO+H_2O	$C u + H N O_{3} \to C U {(N O_{3})}_{2} + N O + H_{2} O$
1672	Balance	Re+Db→2CrMo	$R e + D b \to 2 C r M o$
1673	Balance	real (numbersf(x))=ax+b(the)(set)(numbers)a+b(real)(numbers)a(counter)(exAle)	real $(n u m b e r s f (x)) = a x + b (t h e) (s e t) (n u m b e r s) a + b (r e a l) (n u m b e r s) a (c o u n t e r) (e x a m p l e)$
1674	Balance	Rh→Mg	$R h \to M g$
1675	Balance	Rh+O_2→Rh_2O_5	$R h + O_{2} \to R h_{2} O_{5}$
1676	Balance	H_2O+SO_3→H_2SO_4	$H_{2} O + S O_{3} \to H_{2} S O_{4}$
1677	Balance	P_4+Cl_2→PCl_3	$P_{4} + C l_{2} \to P C l_{3}$
1678	Balance	MgCl_2+AgNO_3→AgCl+Mg(NO_3)_2	$M g C l_{2} + A g N O_{3} \to A g C l + M g {(N O_{3})}_{2}$
1679	Balance	Sb+Cl_4=SbCl_3	$S b + C l_{4} = S b C l_{3}$
1680	Balance	Sb_2S_3+HCl→SbCl_3+H_2S	$S b_{2} S_{3} + H C l \to S b C l_{3} + H_{2} S$
1681	Balance	Sc→Rh	$S c \to R h$
1682	Balance	Sc→Be	$S c \to B e$
1683	Balance	SiF_4+H_2O→HF+SiO_2	$S i F_{4} + H_{2} O \to H F + S i O_{2}$
1684	Balance	sin(4x)=4sin(x)cos(x)cos(2x)	$\sin (4 x) = 4 \sin (x) \cos (x) \cos (2 x)$
1685	Balance	SnO_2+H_2→Sn+H_2O	$S n O_{2} + H_{2} \to S n + H_{2} O$
1686	Balance	SnO_2+H_2=Sn+H_2O	$S n O_{2} + H_{2} = S n + H_{2} O$
1687	Balance	SO_3+H_2O→H_2SO_4	$S O_{3} + H_{2} O \to H_{2} S O_{4}$
1688	Balance	SO_4+2Cl_2→SOCl_2+Cl_2O	$S O_{4} + 2 C l_{2} \to S O C l_{2} + C l_{2} O$
1689	Balance	SrBr_2+(NH_4)_2CO_3=SrCO_3+NH_4Br	$S r B r_{2} + {(N H_{4})}_{2} C O_{3} = S r C O_{3} + N H_{4} B r$
1690	Balance	K+F_2→KF	$K + F_{2} \to K F$
1691	Balance	Ta+Hs→Mg	$T a + H s \to M g$
1692	Balance	K+O_2→K_2O	$K + O_{2} \to K_{2} O$
1693	Balance	Tc→V	$T c \to V$
1694	Balance	C+S_8→CS_2	$C + S_{8} \to C S_{2}$
1695	Balance	U_3O_8+H_2→UO_2+H_2O	$U_{3} O_{8} + H_{2} \to U O_{2} + H_{2} O$
1696	Balance	V→K	$V \to K$
1697	Balance	V+2Mg→TcNb	$V + 2 M g \to T c N b$
1698	Balance	k_3PO_4+MgCl_2→Mg_3(PO_4)_2+KCl	$k_{3} P O_{4} + M g C l_{2} \to M g_{3} {(P O_{4})}_{2} + K C l$
1699	Balance	KBrO_3+KI+H_2SO_4→KBr+I_2+K_2SO_4+H_2O	$K B r O_{3} + K I + H_{2} S O_{4} \to K B r + I_{2} + K_{2} S O_{4} + H_{2} O$
1700	Balance	VO+Fe_2O_3→V_2O_5+FeO	$V O + F e_{2} O_{3} \to V_{2} O_{5} + F e O$