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zimovet [89]
3 years ago
11

Sound waves move the slowest through which medium : water ice air wood

Chemistry
2 answers:
Sladkaya [172]3 years ago
7 0

Answer: c - air

Explanation: took the test

sasho [114]3 years ago
5 0

Answer

Sounds travel slowest in gasses so it would be air

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A glass jar is sealed, trapping air inside. The jar warms up after it is left ourside in the sun. What will happpen to the press
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the particles start to spread out and cause it to get warmer

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3 years ago
When CO2 decomposes into oxygen and carbon, it gives a gram ratio of 2.67:1 O2:C. When a 32.4g of CO2 decomposes, how many grams
Rufina [12.5K]

Answer : The mass of carbon and oxygen produced is 8.83 g and 23.6 g respectively.

Explanation :

Law of conservation of mass : It states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form.

This also means that total mass on the reactant side must be equal to the total mass on the product side.

The balanced chemical reaction will be,

CO_2\rightarrow O_2+C

As we are given:

\text{Mass of }O_2}:\text{Mass of }C=2.67:1{

According to the law of conservation of mass,

Total mass of CO_2 = Mass of O_2 + Mass of C

Total mass of CO_2 = 2.67 + 1 = 3.67 g

Now we have to calculate the mass of O_2 and C.

\text{Mass of }O_2=\frac{\text{Given mass of }CO_2}{\text{Total mass of }CO_2}\times \text{Given mass of }O_2=\frac{32.4g}{3.67g}\times 2.67=23.6g

and,

\text{Mass of }C=\frac{\text{Given mass of }CO_2}{\text{Total mass of }CO_2}\times \text{Given mass of }C=\frac{32.4g}{3.67g}\times 1=8.83g

Therefore, the mass of carbon and oxygen produced is 8.83 g and 23.6 g respectively.

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3 years ago
When a rock is wrapped in aluminum foil, the radiation detected from the 29
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gamma

Explanation:

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Help I’m stuck on this question :
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molecular

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