Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
1801	Balance	32oz=pt	$32 oz = pts$
1802	Balance	22.6m→dm	$22.6 m \to d m$
1803	Balance	34mol→g	$34 m o l \to g$
1804	Balance	2H_2(g)+O_2(g)→2H_2O(g)	$2 H_{2} (g) + O_{2} (g) \to 2 H_{2} O (g)$
1805	Balance	3Al→k	$3 A l \to k$
1806	Balance	3Fe(s)+g_4HgO(l)→Fe_3O_4(s)+4H_2(g)	$3 F e (s) + g_{4} H g O (l) \to F e_{3} O_{4} (s) + 4 H_{2} (g)$
1807	Balance	3h→h	$3 h \to h$
1808	Balance	3K_2HCl_3→K_2SO_4	$3 K_{2} H C l_{3} \to K_{2} S O_{4}$
1809	Balance	3K_2SO_3→K_2SO_4	$3 K_{2} S O_{3} \to K_{2} S O_{4}$
1810	Balance	3Na+Cl→NaCl	$3 N a + C l \to N a C l$
1811	Balance	3NH_4NO_3+Na_3PO_4→(NH_4)_3PO_4+3NaNO_3	$3 N H_{4} N O_{3} + N a_{3} P O_{4} \to {(N H_{4})}_{3} P O_{4} + 3 N a N O_{3}$
1812	Balance	Zn_2+2H_2O→6Zn+HO_6	$Z n_{2} + 2 H_{2} O \to 6 Z n + H O_{6}$
1813	Balance	ZnCl_2+Al_2(SO_4)_3→ZnSO_4	$Z n C l_{2} + A l_{2} {(S O_{4})}_{3} \to Z n S O_{4}$
1814	Balance	ZnO→ZnCl_2	$Z n O \to Z n C l_{2}$
1815	Balance	zno+hcl→zncl_2+h_2o	$z n o + h c l \to z n c l_{2} + h_{2} o$
1816	Balance	ZnOH+NO_3=H_2O+Z(nN)O_3	$Z n O H + N O_{3} = H_{2} O + Z n N O_{3}$
1817	Balance	ZnS+FeCl_3→ZnCl_2+FeCl_2+S	$Z n S + F e C l_{3} \to Z n C l_{2} + F e C l_{2} + S$
1818	Balance	ZnS+HNO_3→ZnSO_4+NO_2+H_2O	$Z n S + H N O_{3} \to Z n S O_{4} + N O_{2} + H_{2} O$
1819	Balance	ZnS+O_2→ZnO+SO_2	$Z n S + O_{2} \to Z n O + S O_{2}$
1820	Balance	ZnS+O_2=ZnO+SO_2	$Z n S + O_{2} = Z n O + S O_{2}$
1821	Balance	Zr_2=W_3	$Z r_{2} = W_{3}$
1822	Balance	Ag(NH_3)_2OH+C_6H_12O_6→Ag+H_2O+C_6H_12O_5+NH_3	$A g {(N H_{3})}_{2} O H + C_{6} H_{12} O_{6} \to A g + H_{2} O + C_{6} H_{12} O_{5} + N H_{3}$
1823	Balance	a+b→ab	$a + b \to a b$
1824	Balance	2C_2H_2+O_2=4CO_2+H_2O	$2 C_{2} H_{2} + O_{2} = 4 C O_{2} + H_{2} O$
1825	Balance	H_2+Fe_2O_3→Fe+H_2O	$H_{2} + F e_{2} O_{3} \to F e + H_{2} O$
1826	Balance	H_3BO_3→H_4B_6O_11+H_2O	$H_{3} B O_{3} \to H_{4} B_{6} O_{11} + H_{2} O$
1827	Balance	HNO_3+Ca(OH)_3=H_2O+Ca(NO_3H_2)	$H N O_{3} + C a {(O H)}_{3} = H_{2} O + C a (N O_{3} H_{2})$
1828	Balance	K_3PO_4+Ba(NO_3)_2=Ba_3(PO_4)_2+KNO_3	$K_{3} P O_{4} + B a {(N O_{3})}_{2} = B a_{3} {(P O_{4})}_{2} + K N O_{3}$
1829	Balance	KMnO_4+H_2O_2+KOH→K_2MnO_4+O_2+H_2O	$K M n O_{4} + H_{2} O_{2} + K O H \to K_{2} M n O_{4} + O_{2} + H_{2} O$
1830	Balance	SiO_2+C→SiC+CO	$S i O_{2} + C \to S i C + C O$
1831	Balance	Pb(NO_3)_2+NH_4Cl→NH_4NO_3+PbCl	$P b {(N O_{3})}_{2} + N H_{4} C l \to N H_{4} N O_{3} + P b C l$
1832	Balance	S+HNO_3→H_2SO_4+NO_2+H_2O	$S + H N O_{3} \to H_{2} S O_{4} + N O_{2} + H_{2} O$
1833	Balance	Na_2CO_3+HCl→2NaCl+H_2O+CO_2	$N a_{2} C O_{3} + H C l \to 2 N a C l + H_{2} O + C O_{2}$
1834	Balance	na_3po_4+koh→naoh+k_3po_4	$n a_{3} p o_{4} + k o h \to n a o h + k_{3} p o_{4}$
1835	Balance	Fe_2O_3+C=Fe+CO_3	$F e_{2} O_{3} + C = F e + C O_{3}$
1836	Balance	fe+cuso_4=feso_4+cu
1837	Balance	Fe+H_2SO_4→FeSO_4+H_2	$F e + H_{2} S O_{4} \to F e S O_{4} + H_{2}$
1838	Balance	FeBr_3+H_2SO_4→Fe_2(SO_4)_3+HBr	$F e B r_{3} + H_{2} S O_{4} \to F e_{2} {(S O_{4})}_{3} + H B r$
1839	Balance	Cu_2(CO_3)_2+H_2SO_4=H_2O+CO_2+Cu(SO_4)_3	$C u_{2} {(C O_{3})}_{2} + H_{2} S O_{4} = H_{2} O + C O_{2} + C u {(S O_{4})}_{3}$
1840	Balance	CH_4+Cl_2→CH_3Cl+x	$C H_{4} + C l_{2} \to C H_{3} C l + x$
1841	Balance	6Ag→Cu_3+2Sn	$6 A g \to C u_{3} + 2 S n$
1842	Balance	c(x)=15+20000 andr	$c (x) = 15 + 20000$ andr
1843	Balance	6gthfthtft(yd)t_5tyyyyyyyyyy(yd)djt=ftyut	$6 g t h ft h t ft yds t_{5} t y y y y y y y y y y yds d j t =$ ftyut
1844	Balance	6Na+Fe_2O_3=3Na_2O+2Fe	$6 N a + F e_{2} O_{3} = 3 N a_{2} O + 2 F e$
1845	Balance	6 NKbCaZrZrZr (y+7)=3y	$6$ NKbCaZrZrZr $(y + 7) = 3 y$
1846	Balance	CaCO_3+HCl→CaCl_2+H_2O+CO_2	$C a C O_{3} + H C l \to C a C l_{2} + H_{2} O + C O_{2}$
1847	Balance	CH_3+(CH_2)_4+CH_3+O_2→CO_2+H_2O	$C H_{3} + {(C H_{2})}_{4} + C H_{3} + O_{2} \to C O_{2} + H_{2} O$
1848	Balance	ch_3→ch_2	$c h_{3} \to c h_{2}$
1849	Balance	Al+CuO→Al_2O_3+Cu	$A l + C u O \to A l_{2} O_{3} + C u$
1850	Balance	Ag+HNO_3→AgNO_3+H_2O+NO	$A g + H N O_{3} \to A g N O_{3} + H_{2} O + N O$
1851	Balance	Al+HBr→AlBr_3+H_2	$A l + H B r \to A l B r_{3} + H_{2}$
1852	Balance	AgNO_3+CaCl=Ca(NO_3)_2+AgCl	$A g N O_{3} + C a C l = C a {(N O_{3})}_{2} + A g C l$
1853	Balance	Al_2O_3+Mg_3N_2→AIN+MgO	$A l_{2} O_{3} + M g_{3} N_{2} \to A I N + M g O$
1854	Balance	Al_2S_3+H_2O→Al(OH)_3+H_2S	$A l_{2} S_{3} + H_{2} O \to A l {(O H)}_{3} + H_{2} S$
1855	Balance	Al_5+He_3→AlHe	$A l_{5} + H e_{3} \to A l H e$
1856	Balance	AlF_3+O_2→Al_2O_3+F_2	$A l F_{3} + O_{2} \to A l_{2} O_{3} + F_{2}$
1857	Balance	AgI+Fe_2(CO_3)_3→FeI_3+Ag_2CO_3	$A g I + F e_{2} {(C O_{3})}_{3} \to F e I_{3} + A g_{2} C O_{3}$
1858	Balance	As_2O_3+HNO_3→H_2AsO_4+NO_2+H_2O	$A s_{2} O_{3} + H N O_{3} \to H_{2} A s O_{4} + N O_{2} + H_{2} O$
1859	Balance	As_2S_3+HNO_3+H_2O→H_2SO_4+H_3AsO_4+NO	$A s_{2} S_{3} + H N O_{3} + H_{2} O \to H_{2} S O_{4} + H_{3} A s O_{4} + N O$
1860	Balance	As_2S_5+HNO_3+H_2O→H_3AsO_4+H_2SO_4+N_0O	$A s_{2} S_{5} + H N O_{3} + H_{2} O \to H_{3} A s O_{4} + H_{2} S O_{4} + N_{0} O$
1861	Balance	Al(SO_3)_3+NaOH→NA_2SO_3+Al(OH)_3	$A l {(S O_{3})}_{3} + N a O H \to N A_{2} S O_{3} + A l {(O H)}_{3}$
1862	Balance	B_2Br_6+HNO_3→B(NO_3)_3+HBr	$B_{2} B r_{6} + H N O_{3} \to B {(N O_{3})}_{3} + H B r$
1863	Balance	B_2H_6+H_2O→H_3BO_3+H_2	$B_{2} H_{6} + H_{2} O \to H_{3} B O_{3} + H_{2}$
1864	Balance	Al_2O_3+Fe→Fe_3O_4+Al	$A l_{2} O_{3} + F e \to F e_{3} O_{4} + A l$
1865	Balance	Ba+H_2SO_4→BaSO_4+H_2	$B a + H_{2} S O_{4} \to B a S O_{4} + H_{2}$
1866	Balance	Ba_2Cl_2+K_2CrO_4→Ba+CrO_4(s)+K_2Cl_2	$B a_{2} C l_{2} + K_{2} C r O_{4} \to B a + C r O_{4} (s) + K_{2} C l_{2}$
1867	Balance	BaCI_2+(NH_4)_2CO_3→BaCO_3+NH_4CI	$B a C I_{2} + {(N H_{4})}_{2} C O_{3} \to B a C O_{3} + N H_{4} C I$
1868	Balance	BaCl_2+(NH_4)_2CO_3→BaCO_3+NH_4Cl	$B a C l_{2} + {(N H_{4})}_{2} C O_{3} \to B a C O_{3} + N H_{4} C l$
1869	Balance	BaCl_2+K_3PO_4→Ba_3(PO_4)_2+KCl	$B a C l_{2} + K_{3} P O_{4} \to B a_{3} {(P O_{4})}_{2} + K C l$
1870	Balance	BaO_2H_2+P_4O_10→Ba_3P_2(O_4)_2+H_2O	$B a O_{2} H_{2} + P_{4} O_{10} \to B a_{3} P_{2} {(O_{4})}_{2} + H_{2} O$
1871	Balance	Be+5V_20→5Be+2V	$B e + 5 V_{20} \to 5 B e + 2 V$
1872	Balance	Be+Cr→BeCr_6	$B e + C r \to B e C r_{6}$
1873	Balance	Be+H→N	$B e + H \to N$
1874	Balance	Be+H→HBe	$B e + H \to H B e$
1875	Balance	Be+O_2→BeO_2	$B e + O_{2} \to B e O_{2}$
1876	Balance	Be+Rg→Cr	$B e + R g \to C r$
1877	Balance	C_5H_12(g)+O_2(g)→CO_2(g)+H_2O(g)	$C_{5} H_{12} (g) + O_{2} (g) \to C O_{2} (g) + H_{2} O (g)$
1878	Balance	C_2H_4O_2+O_2→CO_2+H_2O	$C_{2} H_{4} O_{2} + O_{2} \to C O_{2} + H_{2} O$
1879	Balance	CuO+H_2→Cu+H_2O	$C u O + H_{2} \to C u + H_{2} O$
1880	Balance	CuO+NH_3→N+Cu+H_2O	$C u O + N H_{3} \to N + C u + H_{2} O$
1881	Balance	Ds→(HeArInInMoSrMgNaNaNa)	$D s \to (H e A r I n I n M o S r M g N a N a N a)$
1882	Balance	c_2h_3oh+o_2→co_2+h_2o	$c_{2} h_{3} o h + o_{2} \to c o_{2} + h_{2} o$
1883	Balance	enthalpy H_2(g)→H(g)+H(g)	enthalpy $H_{2} (g) \to H (g) + H (g)$
1884	Balance	Ca+H_2O→Ca(OH)_2+H_2	$C a + H_{2} O \to C a {(O H)}_{2} + H_{2}$
1885	Balance	Sb+HNO_3→Sb_2O_5+NO+H_2O	$S b + H N O_{3} \to S b_{2} O_{5} + N O + H_{2} O$
1886	Balance	2SB+I_2→2SBI_3	$2 S B + I_{2} \to 2 S B I_{3}$
1887	Balance	2H_2(g)+S_2(g)→2HS_2(g)	$2 H_{2} (g) + S_{2} (g) \to 2 H S_{2} (g)$
1888	Balance	2C_4H_10+O_2→CO_2+H_2O	$2 C_{4} H_{10} + O_{2} \to C O_{2} + H_{2} O$
1889	Balance	f(x)=x natural log of x	$f (x) = x \ln (x)$
1890	Balance	f(x)=xtan(x)-1	$f (x) = x \tan (x) - 1$
1891	Balance	17Al+O_2→AlO_3	$17 A l + O_{2} \to A l O_{3}$
1892	Balance	Fe(s)+O_2(g)→Fe_2O_3(s)	$F e (s) + O_{2} (g) \to F e_{2} O_{3} (s)$
1893	Balance	Fe(SCN)_3+KMnO_4+H_2SO_4→Fe_2(SO_4)_3+SO_2+CO_2+HNO_3+MnSO_4+KSO_44+H_2O	$F e {(S C N)}_{3} + K M n O_{4} + H_{2} S O_{4} \to F e_{2} {(S O_{4})}_{3} + S O_{2} + C O_{2} + H N O_{3} + M n S O_{4} + K S O_{44} + H_{2} O$
1894	Balance	Fe+2CuSO_4→FeSO_4	$F e + 2 C u S O_{4} \to F e S O_{4}$
1895	Balance	Mg_3N_2+H_2O→Mg(OH)_2+NH_3	$M g_{3} N_{2} + H_{2} O \to M g {(O H)}_{2} + N H_{3}$
1896	Balance	Fe+Cu(NO_3)_2→Fe(NO_3)_2+Cu	$F e + C u {(N O_{3})}_{2} \to F e {(N O_{3})}_{2} + C u$
1897	Balance	Fe+HCl→Fe_2Cl_2+H_2	$F e + H C l \to F e_{2} C l_{2} + H_{2}$
1898	Balance	Fe+HCl→FeCl_3+H_2	$F e + H C l \to F e C l_{3} + H_{2}$
1899	Balance	Fe+O_2→FeO_3	$F e + O_{2} \to F e O_{3}$
1900	Balance	CO_2+C→CO	$C O_{2} + C \to C O$