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sveticcg [70]
3 years ago
14

Classify the following reaction:

Chemistry
2 answers:
suter [353]3 years ago
6 0

Answer:

D) I think is single displacement (replacement)

Flura [38]3 years ago
6 0

Answer:

Combination

Explanation:

When two or more reactants combine together to form a single product that reaction is called combustion.

Here CaO and H_2O are combining to form Ca(OH)_2

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mario62 [17]

Answer: 15.7 liters

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Because all substance still are gases, volumes in

STP conditions are proportional to amount of moles.

Amount of water is same as Hydrogen. Also volume is same.

7 0
3 years ago
What usually happens to the electron configuration of an atom when it forms a covalent bond?
11Alexandr11 [23.1K]
A covalent bond is when atoms share electrons, therefore, giving it a neutral charge. They share electrons, so the electrons are shared between the atoms to make them stable. 
6 0
4 years ago
Iodine-131 is a radioactive isotope, and is often used in certain medical treatments. It has a short half-life of about 8 days.
IgorLugansk [536]
I think If youd subtract or divide you will get your answer
6 0
3 years ago
An analysis for copper was performed on two pure solids. One solid was found to contain 43.0% copper; the other contained 32.0%
fgiga [73]

Answer:

No, these sample could no be same

Explanation:

Percentage of copper in both sample are different means both are taken from different sample because if we says both are from same sample then its violates the law of definite proportion

according to this law a given compound always contains same proportion of element by mass and it does not depend on the source

eg: water from sea and drainage both have same composition means same amount of oxygen and hydrogen by mass is present

Hence given samples are not same

8 0
3 years ago
¿ ppr que no podemos automedicarnos ,cuando pensamos q tenemos el virus del CIVD-19?
GREYUIT [131]

Answer:

Porque como tu no eres profesional en medicina, no sabes nada sobre las dosis de medicamentos ni de los efectos que pueden tener en tu cuerpo si se administran incorrectamente.

Explanation:

Es logico que solo vayas al medico para que te den la cura allí.

3 0
3 years ago
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