Popular Problems
Rank Topic Problem Formatted Problem
1901 Balance CO_2+Ca(OH)_2→CaC
1902 Balance CO_2+H_2O→C_6H_12O_6
1903 Balance CO_2+H_2O=5H_2
1904 Balance CoCl_2+Na_2O_2+NaOH+H_2O→Co(OH)_3+NaCl
1905 Balance LiH→LI+H
1906 Balance Cr(OH)_3+HNO_2=Cr(NO_3)_3+H_2O
1907 Balance K+O_2=K_2O
1908 Balance Cr+n_2→Cr_2n_3
1909 Balance CrO_4+S_2O_3+H_2O→SO_4+Cr+OH
1910 Balance Cu(NO_3)_2→CuO+NO_2+O_2
1911 Balance Cu(NO_3)_2+NaI→CuI
1912 Balance Cu(OH)_2→CuO+H_2O
1913 Balance cu→C_2Na
1914 Balance CuCl_2+Na_2CO_3→NaCl+CuCO_3
1915 Balance CuCl_2+Na_3PO_4→NaCl_3+Cl_3+Cu_4PO
1916 Balance C_3H_8+O_2→H_2O+CO_2
1917 Find the Moles How many mol of Co(PO_4)F How many moles of
1918 Balance C_4H_10+O_2=CO_2+H_2O
1919 Balance C_4H_12+O_2→CO_2+H_2O
1920 Balance C_4H_9SO+O_2→CO_2+SO_2+H_2O
1921 Balance C_5H_10O_2+O_2→CO_2+H_2O
1922 Balance KBrO_3+KI+H_2SO_4→KBr+I_2+K_2SO_4
1923 Balance C_6H_12O_6+6O_2=H_2O+CO_2
1924 Balance C_6H_14+19O_2→12CO_2+H_2O
1925 Balance C_6H_16+O_2→CO_2+H_2O
1926 Balance C_6H_6O+O_2→CO_2+H_2O
1927 Balance C_7H_6O_2+O_2=CO_2+H_2O
1928 Balance Ca+Na(NO_3)→Na+Ca(NO_3)
1929 Balance Ca+O_2→CaO
1930 Balance Ca+O_2=CaO
1931 Balance Ca_2→Mg
1932 Balance Ca_3P_2O_2+H_2SO_4→CaSO_4+CaH_4P_2O_8
1933 Balance CaCl_2+Cs_3PO_4→CaPO_4+3csc(l_2)
1934 Balance CaCl_2+kl→cai+kcl_2
1935 Balance n_2+3h_2→2nxhy
1936 Balance CaCO_3+CaO→CO_2
1937 Balance CaCo_3+2HCl=CaCl_2+H_2O+CO_2
1938 Balance CaCO_3+HC_2H_3O_2→Ca(C_2H_3O_2)_2+H_2O+CO_2
1939 Balance CaCo_3S+2HCl→CaCl_2+2HO(I)
1940 Balance CaCo_3S+2HCl→CaCl_2+HO
1941 Balance CaF_2+Li_2SO_4=CaSO_4+LiF
1942 Balance CaHP=H_2Ca_3+P
1943 Balance CaOH→Ca+OH
1944 Balance CaSO_4+AlBr_3→CaBr_2+Al_2(SO_4)_3
1945 Balance CH_4+O_2→CH_2+H_2O
1946 Find the Mass Required What (mass)(of)(live)(steam)(at)(100C)(is)(needed)(to)(heat)(39g)(of)(water)(from)(45 degrees C)(to)(65 degrees C) What
1947 Balance CH_4+O_2=CO_2+H_2O
1948 Balance CH_3+8O_2→5CO_2+6H_2O
1949 Balance CH_4+H_2O→CO+3H_2
1950 Balance Cl_2+H_2O→HCl+HClO_3
1951 Balance 2( log base 3 of y)=( log base 3 of 4)+( log base 3 of y+8)
1952 Balance Cl_2+2NaI→I_2+2NaCl How man How man
1953 Balance cl_2+h_2o→h+cl
1954 Balance AI+FeO=AI_2O_3+Fe
1955 Balance Al→Na
1956 Balance Al_2+H_2O→Al(OH)_2+H_2S
1957 Balance Al+CuSO_4→Cu+Al(SO_4)_3
1958 Balance Al+FeO→Al_2O_3+Fe
1959 Balance Al+H_3PO_4→AlPO_4+H_2
1960 Balance C_2H_6O+KMnO_4+H_2SO_4→C_2H_4O_2+MnSO_4+K_2SO_4+H_2O
1961 Balance C_2H_6O+O_2→CO_2+H_2O
1962 Balance N_2H_4→NH_3+N_2
1963 Balance C_3H_8+N_2O_3→CO_2+H_2O+NO
1964 Find the Concentration massin(g)*0.150(mol)(sucrose) massin
1965 Balance c_2h_6+o_2→h_2o+co_2
1966 Find the Concentration massin(g)*0.105(mol)(sucrose) massin
1967 Balance Mg+2HCl→MgCl_2+H
1968 Balance C+H_2O→CO+H_2
1969 Balance C+H_2+O_2=H_2O
1970 Balance c+h_4→c_2+h_6
1971 Balance C+O+Zn→CO_2+ZnO
1972 Balance C+SO_2→CS_2+CO
1973 Balance Fe(OH)_2+NaNO_3→FeO_3H_3+NaNO_2
1974 Balance C_10H_16+Cl_2→C+HCl
1975 Balance H_2+Cl_2=HCl
1976 Balance C_10H_8+n_2→Cn_2+H_2n
1977 Balance C_12H_22O_11+H_2SO_4+O_2→C+CO_2+H_2O+SO_2
1978 Balance C_2+H_2+O_2=H_2O+CO_2
1979 Balance C_2H_3+8O_2→5CO_2+6H_2O
1980 Balance C_2H_4+O_2→CO_2+H_2O
1981 Balance C_2H_4n_2+n_2→Cn_2+H_2n
1982 Balance c_2h_5oh→h_2o+co_2
1983 Balance C_2H_5OH+O_2→HO+2CO_2
1984 Balance H_2+Cl_2→2HCl
1985 Balance H_2S+HNO_3→S+NO+H_2O
1986 Balance H_2SO_4+KOH→H_2O+K_2SO_4
1987 Balance HCl+H_2O→HCL+H_2O
1988 Balance C+Fe_2O_3→Fe+Co
1989 Balance CH_4+Br_2→CH_3
1990 Balance CO+O→CO_2
1991 Balance CaCO_3+2HCl→CaCl_2+Co_2+H_2O
1992 Balance co_2+h_2*0→c_6h_12o_6+o_2
1993 Balance co_2→c+o_2
1994 Balance construct a truth table for (pvq)→r construct a truth table for
1995 Balance AlOH_3+H_2SO_4=Al_2SO_4+H_2O
1996 Balance C_6H_12O_2+O_2→CO_2+H_2O
1997 Balance Br+KI→KBr+I
1998 Balance 4K(s)+O_2(g)→2K_2O(s)
1999 Balance AgNO_3+Cu→Cu(NO_3)_2+Ag
2000 Balance Ag(NH_3)_2OH+C_6H_12O_6→Ag+H_2O+C_6H_12O_5+NH_4
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