HCL+NaOH=NaCl+H2O?

Question

using Subscripts like 1,2,3,4

Answer 1

forgot the 2 after the o.

Answer 2

You have the correct formulas and a balanced equation. You do not need subscripts added because the charges are all balanced in this example.

Another example:

magnesium + hydrochloric acid ---> magnesium chloride + hydrogen gas

Mg + HCl ---> Mg Cl + H

Now go back and assign charges to each of the ions:

Mg (alone has no charge)
H 1+ Cl 1- (the charges equal zero, so no subscripts needed)
Mg 2+ Cl 1- (you need two Cl 1- to cancel out the Mg 2+ so you must put a subscript of 2 after the Cl) = MgCl2
H2 (hydrogen gas is diatomic in its free state so subscript of 2 is required)

Final balanced equation:

Mg + 2 HCl ---> MgCl2 + H2

Answer 3

You do not need subscripts in this equation...
HCl, NaOH, NaCl, and H2O are all correct formulas in this equation. You only have to change subscripts if the formulas are incorrect.

BTW...you never change subscripts to balance a chemical equation. You only add coefficients in front of the compounds. In this case, since it is already balanced, you would assume that a "1" is in front of each compound.

Answer 4

Reverse reaction of: HCL + NaOH --> NaCl +H2O ?

Answer 5

What are you asking? That is correct the way you wrote it, except the "2" in H2O would be a subscript.

Answer 6

This is a balanced equation, and each of the reactants and products are balanced.

Answer 7

E=mc2?

Answer 8

the formula is already correct!

Answer 9

yea

Answer 10

6.088