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Anestetic [448]
2 years ago
13

When an Alka-Seltzer® tablet is put in water, there is a chemical change because there are bubbles produced. The Alka-Seltzer® t

ablet slowly disappears over time. What would speed up the chemical change?
Adding more water would cause the chemical change to speed up.
Changing the color of the tablet would cause the chemical change to speed up.
Decreasing the temperature of the water would cause the chemical change to speed up.
Increasing the temperature of the water would cause the chemical change to speed up.
Chemistry
2 answers:
egoroff_w [7]2 years ago
4 0
It’s either increasing the temp or water. the temp increasing adds more energy bc heat = more energy. so i would go w increasing temp
Soloha48 [4]2 years ago
3 0

Answer:

Heyy

Explanation:

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alukav5142 [94]

You may find bellow the balanced chemical equations.

Explanation:

Molecular equations:

3 Sr(NO₃)₂ (aq) + 2 K₃PO₄ (aq) → Sr₃(PO₄)₂ (s) + 6 KNO₃ (aq)

2 NaOH (aq) + Ni(NO₃)₂ (aq) = Ni(OH)₂ (s) + 2 NaNO₃ (aq)

Ionic equations:

3 Sr²⁺ (aq) + 6 NO₃⁻ (aq) + 6 K⁺ (aq) + 2 PO₄³⁻ (aq) →  Sr₃(PO₄)₂ (s) + 6 K⁺ (aq) + 6 NO₃⁻ (aq)

2 Na⁺ (aq) + 2 OH⁻ (aq) + Ni²⁺ (aq) + 2 NO₃⁻ (aq) = Ni(OH)₂ (s) + 2 Na⁺ (aq) + 2 NO₃⁻ (aq)

To get the net ionic equation we remove the spectator ions:

3 Sr²⁺ (aq) + 2 PO₄³⁻ (aq) →  Sr₃(PO₄)₂ (s)

2 OH⁻ (aq) + Ni²⁺ (aq) = Ni(OH)₂ (s)

Learn more about:

net ionic equations

brainly.com/question/7018960

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4 0
3 years ago
Hydroboration can occur when alkenes react with borane. Borane is highly unstable so it exists as diborane or is stabilized with
weeeeeb [17]

Hydroboration addition of borane to a compound across the double bond.

<h3>What is hydroboration?</h3>

The reaction that is called hydroboration could be carried out with an alkene or an alkyne as the case maybe. In each case, the reaction involves the addition of borane to a compound across the double bond. The reaction could further proceed to produce an alkanol.

Let us restate that like most of the organic reactions, this reaction occurs in a sequence of steps and each step of the reaction has a way of bringing us closer to the end product of the entire steps of the reaction take in proper order

As shown in the image attached to this answer, the reaction was carried out in DMS in order to stabilize the borane. We have shown the borane to be a reactant as it adds across the double bond to yield the product.

Learn more about hydroboration:brainly.com/question/11655454

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6 0
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Can someone please answer question (ii), I thank.
aleksley [76]
The lime water would become cloudy :)
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mariarad [96]

Answer:

Pseudoscience

Explanation:

Ghosts don't exist.

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Infer if the mineral Talc would be a good choice when building a statue outside?
ruslelena [56]
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