Question

Write down the thirty balanced chemical equations.

Answer 1

1)    2Na + 2H2O = 2NaOH + H2 

2)    Ca + 2HCl = CaCl2 + H2 

3)    CaCO3 + H2SO4 = CaSO4 + H20 + CO2N2+3H2--->2NH3 

4)    H2O--->2H2+O2 

5)    2Na+2HCl--->2NaCl+H2 

6)    NaCl+AgNO3--->NaNO3+AgCl 

7)    HCl+NH3--->NH4Cl 

8)    2Al+6HCl--->2AlCl3+3H2 

9)    SO3+H2O--->H2SO4 

10)    C6H12O6--->6C+6H2O 

11)    CuO+H2SO4--->CuSO4+H2 

12)    H2SO4+CH3COONa--->NaHSO4+CH3COOH 

13)    Fe+H2SO4--->H2+FeSO4 

14)    Sn+2H2SO4--->SnSO4+2H2O+SO2 

15 )    Ca5F(PO4)3+5H2SO4+10H2O--->5CaSO4+2H2O.

16)    Al2O3+3H2SO4--->Al2(SO4)3+3H2O 

17)    I2+SO2+2H2O--->2HI+H2SO4 

18)    2H2SO4--->2SO2+2H2O+O2 

19)    H2SO4+CaCO3--->CaSO4+H2CO3 

20)    CH4+2O2--->CO2+2H2O 

21)    2Fe2O3+3C--->4Fe+3CO2 

22)    COH12O6--->2CO2+2C2H5OH  

23)    FeCl3+Fe2O3--->3FeOCl 

24)    2FeCl3+6C2H5OH+6NH3--->(Fe(OC2H5)3)2+N

25)    NaCl+CH3COOH--->HCl+CH3COONa 

26)     2H2+02--->2H20

27)    HCl+NaOH--->NaCl+H2O

28)     H2SO4+NaOH--->Na2SO4+H2O

29)    CH4 + 2 O2 → CO2 + 2 H2O 

29)    2 HCl + 2 Na → 2 NaCl + H2

30)   CaCl2+ 2 AgNO3→ Ca(NO3)2 + 2 AgCl

Answer 2

Concept: An equation for a chemical reaction is said to be balanced if both the reactants and the products have the same number of atoms and total charge for each component of the reaction. In other words, both sides of the reaction have an equal balance of mass and charge.

Given: question regarding balanced equation

To find: 30 balanced equations

Solution: 30 balanced equations are:

1) $2Fe_2O_3 + 3C --- > 4Fe + 3CO_2$

2)$H_2SO_4 + CaCO_3 --- > CaSO_4 + H_2CO_3$

3) $2H_2 + 0_2 --- > 2H_20$

4) $CH_3COOH+C_2H_5OH --- > CH_3COOC_2H_5+H_2O$

5) $1 AgNO_3 + 1 LiOH -- > 1 AgOH + 1 LiNO_3$

6) $CH_4+2O_2--- > CO_2+2H_2O.$

7) $Sn+2H_2SO_4-- > SnSO_4+2H_2O+SO_2$

8) $CuO+H_2SO_4--- > CuSO_4+H_2$

9) $Mg_3N_2 + 3H_2O --- > 3MgO + 2NH_3$

10) $N_2 + O_2 --- > 2 NO$

11) $2 CH_4 + 3 O_2 --- > 2 CO + 4 H_2O$

12) $6 CO_2 + 6 H_2O --- > C_6H_1_2O_6 + 6 O_2$

13) $2 AgI + Na_2S --- > Ag_2S + 2 NaI$

14) $Ba_3N_2 + 6 H_2O --- > 3 Ba(OH)_2 + 2 NH_3$

15) $4 FeS + 7 O_2 --- > 2 Fe_2O_3 + 4 SO_2$

16)$PCl_5 + 4 H_2O --- > H_3PO_4 + 5 HCl$

17) $3 CaCl_2 + 2 Na_3PO_4--- > Ca_3(PO_4)_2 + 6 NaCl$

18) $2 As + 6 NaOH --- > 2 Na_3AsO_3 + 3 H_2$

19) $12 HClO_4 + P_4O_1_0 --- > 4 H_3PO_4 + 6 Cl_2O_7$

20) $10 KClO_3 + 3 P_4 --- > 3 P_4O_1_0 + 10 KCl$

21) $SnO_2 + 2 H_2 --- > Sn + 2 H_2O$

22) $3 KOH + H_3PO_4 --- > K_3PO_4 + 3 H_2O$

23) $3 Hg(OH)_2 + 2 H_3PO_4 --- > Hg_3(PO_4)_2 + 6 H_2O$

24) $2 KNO_3 + H_2CO_3 --- > K_2CO_3 + 2 HNO_3$

25) $Na_3PO_4 + 3 HCl --- > 3 NaCl + H_3PO_4$

26) $TiCl_4 + 2 H_2O --- > TiO_2 + 4 HCl$

27) $C_2H_6O + 3 O_2 --- > 2 CO_2 + 3 H_2O$

28) $4 NH_3 + 5 O_2 --- > 4 NO + 6 H_2O$

29) $B_2Br_6 + 6 HNO_3 --- > 2 B(NO_3)_3 + 6 HBr$

30) $8 CO + 17 H_2 --- > C_8H_18 + 8 H_2O$

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