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Dafna1 [17]
2 years ago
14

Metals that really react with cold water are __________ and __________

Chemistry
1 answer:
miv72 [106K]2 years ago
8 0

Answer:

potassium and sodium

Explanation:

because they are the highest in the reactivity series

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If 1.00 g of a hydrocarbon is combusted and found to produce 3.14 g of co2, what is the empirical formula of the hydrocarbon?
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The combustion reaction is as expressed,

                CxHy + O2 --> CO2 + H2O

The mass fraction of carbon in CO2 is 3/11. Hence,
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Given that we have 1 g of the hydrocarbon, the mass of H is equal to 0.14 g. 

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2 years ago
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Answer:

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Explanation:

3 0
2 years ago
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2) Will all atoms behave exactly the same when the temperature is changed? ​
Butoxors [25]

no...the atoms will not behave the same

as when temperature is increased, the atoms vibration and kinetic energy will also be increased....they come in excited state...

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7 0
3 years ago
The sum of the number of proteins and neutrons in an atoms nucleus is its __________ ___________.
otez555 [7]

Answer:

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Please vote brainliest!

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