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just olya [345]
3 years ago
5

How is synthesis and replacement reactions related?

Chemistry
1 answer:
Fittoniya [83]3 years ago
3 0

Answer:

A synthesis reaction occurs when two or more reactants combine to form a single product. ... Replacement reactions occur when elements switch places in compounds. In a single replacement reaction, one element takes the place of another in a single compound. In a double replacement reaction, two compounds exchange elements.

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What is the density of an object that has a mass of 6.5 g and when placed in water displaces the volume from 4.5mL to 11.8mL? ro
KengaRu [80]

Answer:

\rho =0.9g/mL

Explanation:

Hello,

In this case, due to the volume displacement caused the by the object's submersion, it's volume is:

V=11.8mL-4.5mL=7.3 mL

In such a way, considering the mathematical definition of density, it turns out:

\rho =\frac{m}{V}=\frac{6.5g}{7.3mL}\\  \\\rho =0.89g/mL

Rounding to the nearest tenth we finally obtain:

\rho =0.9g/mL

Regards.

3 0
3 years ago
A radioactive substance of mass 768g has a half life of 3 years. After how many years does it leave only 6g undecayed?​
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The answer is 21 years.

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8 0
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When a metal reacts with oxygen gas what is the product formed
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Answer:

Hello There!!

Explanation:

When a metal reacts with oxygen gas metal oxide forms.Whenever a compound or element reacts with oxygen It turns to oxide.

hope this helps,have a great day!!

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The calvin cycle and the krebs are referred to as cycles of chemical reactions because they
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