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Ainat [17]
3 years ago
5

What happens during an alpha decay?

Chemistry
1 answer:
Andrej [43]3 years ago
6 0

Answer:

Alpha decay is a type of radioactive disintegration in which unstable atomic nucleus releases a helium nucleus or alpha particle and transform into a different element. The new element formed will be reduced by four and the atomic number will be reduced by two.

Example of alpha decay is: Uranium 238 transform into Thorium 234 with the emission of an alpha particle.

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The cells mutated.

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During which step in the pcr cycle do primers form bonds with a single-stranded template?.
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2 years ago
Question 3 (please help)
poizon [28]

Answer:

the Answer is B

Explanation:

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2 years ago
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Aqueous potassium iodate and potassium iodide react in the presence of dilute hydrochloric acid, as shown below. kio3(aq) + 5ki(
Musya8 [376]
<span>0.0797 g Looking at the formula, 1 mole of KIO3 and 5 moles of KI will react and produce moles of iodine molecules or 6 moles of iodine atoms. So first, determine the number of moles of KIO3 and KI provided moles KIO3 = 0.0121 * 0.097 = 0.0011737 mol moles KI = 0.0308 * 0.017 = 0.0005236 mol The limiting reactant is KI at 0.0005236 mol so divide by 5 and multiply by 6 to get the number of moles of iodine atoms. 0.0005236 / 5 * 6 = 0.00062832 mol Lookup the atomic weight of iodine which is 126.90447 And multiply that by the number of moles of iodine produced 126.90447 g/mol * 0.00062832 mol = 0.079736617 g Rounding to 4 decimal places gives 0.0797 g</span>
4 0
3 years ago
298.34 K= What oC <br> 28.42 oC =. What K
Lelu [443]

Answer:

oC = 25.19

K = 301.57

Explanation:

To find K add 273.15 to the temperature in oC.

To find oC subtract 273.15 from the temperature in K.

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