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gayaneshka [121]
4 years ago
15

Which chemical equation correctly represents the formation of water and carbon dioxide from the decomposition of carbonic acid i

n soft drinks?
Chemistry
1 answer:
finlep [7]4 years ago
5 0

Carbonic acid refers to a weak inorganic acid, which is also known as the solution of carbon dioxide in water. It only prevails as a solution and is also known as the aerial acid, acid of air, dihydrogen carbonate, or carbon dioxide solution. It is most familiar as a constituent of the majority of the aerated drinks like soft drinks and sodas.  

The carbonic acid's chemical formula is H₂CO₃. Its decomposition to water and carbon dioxide is shown by the equation:  

H₂CO₃ (g) = H₂O (l) + CO₂ (g)


You might be interested in
How do intermolecular forces help explain differences in phase changes (boiling point, melting point)
Ivahew [28]
Do you mean differences among various substances eg: H2O vs CO2? IMFs determine boiling and melting points by deciding how strongly molecules want to hold on to each other. The strength of IMFs depend on the type of IMFs, eg: dipole-dipole, ion-dipole, induced dipole (London dispersion), etc. Weak IMFs= low boiling point. IMFs also determine many other properties including vapor pressure, etc.
3 0
3 years ago
A 72 g sample contains how many moles of water? (include appropriate sig figs in your answer)
sammy [17]

Answer:

2

Explanation:

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5 0
3 years ago
An alloy is a mixture of metals. Suppose that a certain alloy is made by mixing 50 grams of an alloy that contains 52% copper wi
AleksandrR [38]

Answer:

a) 128 grams

b) 81.25%

Explanation:

a) The mixture will be between the alloy and the pure copper, so the mass will be the sum of the mass of the compounds:

m = 50 + 78 = 128 g

b) In the alloy, 52% is copper, so to know the mass of copper in the alloy, we must multiply the total mass by 52% (which is 0.52)

0.52x50 = 26 g of copper

The total mass of copper in the mixture is 26 + 78 = 104 g

So, the percentual of copper is the mass of copper divided by the total mass

104/128 = 0.8125

Multiplying by 100%, to have the result in percentage

0.8125x100% = 81.25%

4 0
3 years ago
Before we begin, let's first establish an understanding of basic terminology It may be harder than you think lo clearly define w
pentagon [3]

Answer:

oranges: contains chemical

heat: neither

sunlight: neither

photosynthesis: chemical reaction

bleaching protein: contains chemical

neutralization: chemical reaction

combustion: chemical reaction

vitamin K: contains chemical

rainbow: neither

marble: contains chemical

Explanation:

A chemical is a substance that is used in or made by chemical reactions. It is a matter with compositions related to the science of chemistry. In the question,

- orange contains chemical like vitamins, protein molecules etc.

- Bleaching protein contains chemicals that bring about the bleaching process.

- Vitamin k contains chemical elements

- marble contains Calcium, oxygen etc elements

A chemical reaction is that which involves the change in chemical properties of involved substances.

- Photosynthesis is the chemical reaction between carbon dioxide and water in the presence of sunlight to give glucose.

- Neutralization is the chemical reaction where an acid neutralizes a base to form a salt and water molecule.

- Combustion is the chemical reaction involving the burning of a chemical substance.

Some substances like sunlight, heat and rainbow are neither a chemical or chemical reaction.

3 0
3 years ago
At which temperature would a can of soda be most fizzy when it is opened?
kati45 [8]
Answer: at higher temperatures.
Justification:

1) Soda have CO₂ dissolved. Carbonation consists on that: dissolving CO₂ into water, leading to carbonated water.


2) The solution of a gas into a liquid is inversely related to the temperature: the lower the temperature the more gas gets dissolved.
So, in the manufacturing of soda, the CO₂ is added in cool water in a cool environment.


3) So, the higher the temperature after the soda is delivered, the more gas will be liberated when you open the can.

7 0
4 years ago
Read 2 more answers
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