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3 years ago

Which equation represents a neutralization reaction?

Chemistry

1 answer:

Fittoniya [83]3 years ago

8 0

Answer:

H2SO4(aq) + Mg(OH)2(aq) -> MgSO4(aq) + 2H2O(l)

Explanation:

A neutralization reaction is a chemical reaction in which the acid, (aqeous H2SO4) reacts completely with an appropriate amount of base, (aqueous Mg(OH)2) to produce salt, (aqueous MgSO4) and water, (liquid 2H2O) only.

H2SO4(aq) + Mg(OH)2(aq) -> MgSO4(aq) + 2H2O(l)

Acid + base → Salt + Water.

During this reaction, the hydrogen ion, H+, from the H2SO4 is neutralized by the hydroxide ion, OH-, from the Mg(OH)2 to form the water molecule, H2O.

Thus, the formation of salt, MgSO4(aq) and water, 2H2O(l) makes it a neutralization reaction.

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When a saturated solution of NH4Br dissolved in 100 grams of water is cooled from 60°C to 30°C, how much NH4Br will precipitate?

stepladder [879]

Answer:

$m_{precipitated}=24.8g$

Explanation:

Hello,

In this case, since at 60 °C, 108 grams of ammonium bromide are completely dissolved in 100 grams of water for a saturated solution, once it is cooled to 30 °C, wherein only 83.2 grams are completely dissolved in 100 grams of water, the following mass will precipitate:

$m_{precipitated}=108g-83.2g\\\\m_{precipitated}=24.8g$

Best regards.

8 0

3 years ago

Which of the following statements regarding glucose is FALSE?a) Glucose is the main component of starch and glycogen.b) Glucose

marishachu [46]

Answer:

The correct option is C.

Explanation:

Carbohydrates are one of the macro molecules that are consumed by living organisms. The end product of carbohydrate is glucose. Glucose is a very important fuel that the body cells used to produce energy, which they use to carry out their daily activities. Glucose is also known as blood sugar and it is the only fuel that living cells can use for the production of ATP. Other food macro molecules such as lipids and proteins can also be converted to glucose if there is a need for that. Glucose is always stored in the body in form of glycogen.

The statement given in option C about glucose is wrong because glucose is a monosaccharide and not a disaccharide.

8 0

3 years ago

Predict the products for the following chemical reaction: H2 + O2 →

RSB [31]

The answer is C I got it right so hope it helped ;)

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3 years ago

BJECTIVE TYPE QUESTIONS

8090 [49]

Answer:

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4 0

2 years ago

In a chemical reaction, the difference between the potential energy of the products of the potential energy of the reactants is

natka813 [3]

In a chemical reaction, the difference between the potential energy of the products and the potential energy of the reactants is equal to the heat of the reaction<span>. This is, the net energy released or absorbed (change) during a chemical reaction is the sum of the potential energy of the products less the sum of the potential energy of the reactants.</span>

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3 years ago