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3 years ago

Explain how antiacids work

Chemistry

1 answer:

ELEN [110]3 years ago

3 0

They work by reducing the acid in our stomach because anti acids alkalis.

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Write three complete and balanced pairs of below mention electrochemical half reactions. For each pair of reactions, identify wh

kirza4 [7]

Answer: a) $Cu\rightarrow Cu^{2+}+2e^-$ : anode

b. $2H^++2e^-\rightarrow H_2$ : cathode

c. $O^{2-}\rightarrow \frac{1}{2}O_2+2e^-$ : anode

Explanation:

Electrochemical cell is a device which converts chemical energy into electrical energy. It consist of two electrodes, anode and cathode.

Oxidation i.e. loss of electrons , which results in an increase in oxidation number occurs over anode.

Reduction i.e. gain of electrons, which results in decrease in oxidation number occurs over cathode.

a. $Cu\rightarrow Cu^{2+}+2e^-$ : oxidation : anode

b. $2H^++2e^-\rightarrow H_2$ : reduction : cathode

c. $O^{2-}\rightarrow \frac{1}{2}O_2+2e^-$ : oxidation : anode

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3 years ago

How does the electric force between two charged particles change if the

Anuta_ua [19.1K]

C. It is decreased by a factor of 3.

3 0

3 years ago

sashaice [31]

I think it's DNA forms a double helix and RNA consists a single strand.
I may be wrong...

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3 years ago

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To a 0.0001 m solution of mg(no3)2, naoh was added to a final concentration of 0.001m did a precipitate form?

Natalija [7]

I looked on a solubility chart to answer this question, and hydroxides are generally insoluble (with some exceptions of course). However, it says to consider $Mg(OH)_{2}$ as an insoluble substance, though it may be moderately soluble.

The answer that you are most likely looking for is: Yes, a precipitate does form - this is due to the double placement reaction:

$Mg(NO_{3})_{2}_{(aq)}$ + $2NaOH_{(aq)}$ → $Mg(OH)_{2} {(s)}$ + $2NaNO_{3}_{(aq)}$

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3 years ago

Tyrone wants to buy peanut butter that does not contain any hydrogenated oils. What should Tyrone be concerned about?

Airida [17]

There are things that should be concerned about eating peanut butter. One would be the toxic fungus found within the peanut. Non-organic peanuts and peanut butters are also contaminated with pesticides.Peanuts also contain another natural substance called oxalates which can be toxic to the body.

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3 years ago

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