balancing act practice\nbalance each equation. be sure to show your lists! remember you cannot add…
balancing act practice\nbalance each equation. be sure to show your lists! remember you cannot add subscripts or place coefficients in the middle of a chemical formula.\n1. na + mgf₂ → naf + mg\n2. mg + hcl → mgcl₂ + h₂\n3. cl₂ + ki → kcl + i₂\n4. nacl → na + cl₂\n5. na + o₂ → na₂o\n6. na + hcl → h₂ + nacl\n7. k + cl₂ → kcl\nchallenge: this one is tough!\nc₂h₆ + o₂ → co₂ + h₂o
Answer
Explanation:
Step1: Balance equation 1
$2Na + MgF_2\rightarrow 2NaF+Mg$
Step2: Balance equation 2
$Mg + 2HCl\rightarrow MgCl_2 + H_2$
Step3: Balance equation 3
$Cl_2+2KI\rightarrow 2KCl + I_2$
Step4: Balance equation 4
$2NaCl\rightarrow 2Na + Cl_2$
Step5: Balance equation 5
$4Na + O_2\rightarrow 2Na_2O$
Step6: Balance equation 6
$2Na + 2HCl\rightarrow H_2+2NaCl$
Step7: Balance equation 7
$2K + Cl_2\rightarrow 2KCl$
Step8: Balance challenge equation
$2C_2H_6+7O_2\rightarrow 4CO_2 + 6H_2O$
Answer:
- $2Na + MgF_2\rightarrow 2NaF+Mg$
- $Mg + 2HCl\rightarrow MgCl_2 + H_2$
- $Cl_2+2KI\rightarrow 2KCl + I_2$
- $2NaCl\rightarrow 2Na + Cl_2$
- $4Na + O_2\rightarrow 2Na_2O$
- $2Na + 2HCl\rightarrow H_2+2NaCl$
- $2K + Cl_2\rightarrow 2KCl$ Challenge: $2C_2H_6+7O_2\rightarrow 4CO_2 + 6H_2O$