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JulijaS [17]
3 years ago
10

If a compound is separated into separate parts does the substance remain the same substance

Chemistry
1 answer:
MariettaO [177]3 years ago
6 0
No, if H2O is separated into H2 and O, then it is not the same substance

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<h3 /><h3>¿Qué importancia tiene la sostenibilidad?</h3>

Es fundamental para la preservación y mantenimiento del medio ambiente y la calidad de vida de las generaciones actuales y futuras. El desarrollo de acciones sostenibles promueve la protección del medio ambiente, los ecosistemas y los recursos naturales.

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7 0
2 years ago
Help me please (~ ̄_ ̄)~​
Lubov Fominskaja [6]

Answer:

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Explanation:

Hope this help!!

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Which of the following food proteins has the best assortment of essential amino acids for the human body?​
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7 0
3 years ago
Which chemical equation correctly represents the formation of water and carbon dioxide from the decomposition of carbonic acid i
defon

Carbonic acid's chemical formula is H2CO3.  Its decomposition to water (H2O) and carbon dioxide (CO2) is represented by the equation:


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6 0
3 years ago
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A 3.4 g sample of sodium hydrogen carbonate is added to a solution of acetic acid weighing 10.9 g. The two substances react, rel
natima [27]

Answer: 2.7 grams

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

NaHCO_3(aq)+CH_3COOH(aq)\rightarrow CH_3COONa(aq)+H_2O(l)+CO_2(g)

Given: mass of sodium hydrogen carbonate = 3.4 g

mass of acetic acid = 10.9 g

Mass of reactants = mass  of sodium hydrogen carbonate+ mass of acetic acid = 3.4 + 10.9= 14.3 g

Mass of reactants = Mass of products in reaction vessel + mass of carbon dioxide (as it escapes)

Mass of  carbon dioxide = 14.3 - 11.6 =2.7 g

Thus the mass of carbon dioxide released during the reaction is 2.7 grams.

7 0
3 years ago
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