Explain how antacids with calcium carbonate function.

2 answers:

4 0

Antacids with Calcium Carbonate are used to relieve symptoms such as heartburn and excessive stomach pain, due to higher levels of ACID in the stomach and/or acid rising. The calcium carbonate is a BASE, therefore NEUTRALIZING the acid/base content in your stomach and alleviating discomfort. A strong acid plus a strong bases creates a basic solution.

Fynjy0 [20]3 years ago

3 0

Answer:

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Calcium carbonate contains the carbonate ion.

Calcium carbonate accepts free H+ ions.

When an acid reacts with a carbonate, carbon dioxide gas is one of the products.

If antacids are dissolved prior to ingestion, the reaction between carbonate and hydrogen is faster.

Explanation:

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Bromine reacts with nitric oxide to form nitrosyl bromide as shown in this reaction: br2(g) + 2 no(g) → 2 nobr(g) a possible mec

Svetach [21]

The overall reaction is given by:

$Br_{2}(g) + 2 NO(g) \rightarrow 2 NOBr(g)$

The fast step reaction is given as:

$NO(g) + Br_{2}(g) \rightleftharpoons NOBr_{2}(g) (fast; k_{eq}= \frac{k_{1}}{k_{-1}})$

The slow step reaction is given as:

$NOBr_{2}(g) + NO(g) \rightarrow 2 NOBr(g)$ (slow step $k_{2}$ )

Now, the expression for the rate of reaction of fast reaction is:

$r_{1}=k_{1}[NO][Br_{2}]-k_{-1}[NOBr_{2}]$

The expression for the rate of reaction of slow reaction is:

$r_{2}=k_{2}[NOBr_{2}] [NO]$

Slow step is the rate determining step. Thus, the overall rate of formation is the rate of formation of slow reaction as $[NOBr_{2}]$ takes place in this reaction.