balance the reaction, do not leave any fractions, dont leave anything blank, then answer the questions about the reaction__1__ca(oh)₂ +__2__h₃po₃ →__3__ca₃(po₃)₂(s) +__4__h₂othis is an __5__ reaction and also a __6__ reaction (use the order given in the answers).is this a redox reaction?(yes/no)__7__, because neither ca⁺², oh⁻¹, h⁺¹, nor po₃⁻³change oxidation state.will the reaction happen as it is written? (yes/no)__8__, because acids and bases are reactive, the products are stable, and one product is a solid. the reverse reaction would not happen.a. 1 b. 2 c. 3 d. 4 e. 5 f. 6 g. 7 h. 8i. 9 j. 10 k. 12 l. 14 m. 16 n. 18 o. 20 p. 21q. 24 r. 26 s. 28 t. synthesis u. decompositionv. single displacement w. double displacement x. neutralizationy. combustion z. yes aa. no bb. reactive cc. stabledd. oxidized ee. reduced

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Accepted Answer

# Explanation:
## Step1: Balance the chemical equation
For $Ca$: There are $3$ $Ca$ atoms in $Ca_3(PO_3)_2$. So we need $3$ $Ca(OH)_2$.
For $P$: There are $2$ $P$ atoms in $Ca_3(PO_3)_2$. So we need $2$ $H_3PO_3$.
For $H$ and $O$: After putting $3$ $Ca(OH)_2$ and $2$ $H_3PO_3$, we have $3\times2 + 2\times3=12$ $H$ atoms and $3\times2+2\times3 = 12$ $O$ atoms on the left. On the right, in $Ca_3(PO_3)_2$ we have $2\times3 = 6$ $O$ atoms. So for $H_2O$, we have $6$ $H_2O$ (since $6\times2 = 12$ $H$ atoms and $6\times1=6$ $O$ atoms). The balanced equation is $3Ca(OH)_2+2H_3PO_3
ightarrow Ca_3(PO_3)_2 + 6H_2O$.

## Step2: Identify the reaction type
This is a double - displacement reaction ($W$) because the $Ca^{2 +}$ and $H^{+}$ ions exchange partners. It is also a neutralization reaction ($X$) as an acid ($H_3PO_3$) and a base ($Ca(OH)_2$) react to form a salt ($Ca_3(PO_3)_2$) and water.

## Step3: Determine if it is a redox reaction
It is not a redox reaction ($AA$) because the oxidation states of $Ca$ ($+ 2$), $O$ ($-2$ in $OH^-$ and $PO_3^{3 -}$), $H$ ($+1$) and $P$ ($+3$ in $PO_3^{3 -}$) do not change.

## Step4: Determine if the reaction occurs as written
The reaction will happen as written ($Z$) because acids and bases are reactive, the products are stable, and one product ($Ca_3(PO_3)_2$) is a solid (driving the reaction forward according to the solubility rules).

# Answer:
1. $C$ (for $3Ca(OH)_2$)
2. $B$ (for $2H_3PO_3$)
3. $A$ (for $Ca_3(PO_3)_2$)
4. $I$ (for $6H_2O$)
5. $X$ (neutralization)
6. $W$ (double displacement)
7. $AA$ (no)
8. $Z$ (yes)

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Question

Explanation:

Step1: Balance the chemical equation

Step2: Identify the reaction type

Step3: Determine if it is a redox reaction

Step4: Determine if the reaction occurs as written

Answer: