How much energy is required to raise 10 grams of water by 10 degrees Celsius? (in Joules)
2 answers:
<u>Answer:</u> The amount of heat required by water is 418.6 J
<u>Explanation:</u>
To calculate the heat absorbed by water, we use the equation:
where,
q = heat absorbed
m = mass of water = 10 g
c = heat capacity of water = 4.186 J/g°C
= change in temperature = 10°C
Putting values in above equation, we get:
Hence, the amount of heat required by water is 418.6 J
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The process through which Polonium is most likely to become stable is: B. alpha decay.
An unstable element refers to a chemical element that lose particles because its nucleus contain an excess of internal energy (neutron or proton).
This ultimately implies that, an unstable element is radioactive in nature.
In Science, some examples of an unstable element are:
- Tritium.
- Bismuth-209 .
- Xenon.
- Polonium.
Polonium is a chemical element with a large, unstable nucleus.
Basically, the most stable isotope of Polonium is Polonium-209, which typically undergoes an alpha decay to form lead-205 and the emission of an alpha particle.
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In conclusion, we can deduce from the above chemical equation that Polonium is most likely to become stable through an alpha decay.
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