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belka [17]
3 years ago
8

Which represents the balanced equation for the beta minus emission of phosphorus-32? Superscript 32 subscript 15 upper P right a

rrow superscript 28 subscript 13 upper A l plus superscript 4 subscript 2 upper H e. Superscript 32 subscript 15 upper P right arrow superscript 32 subscript 14 upper S i plus superscript 0 subscript negative 1 e. Superscript 32 subscript 15 upper P right arrow superscript 32 subscript 16 upper S plus superscript 0 subscript negative 1 e. Superscript 32 subscript 15 upper P right arrow superscript 32 subscript 14 upper S i plus superscript 0 subscript plus 1 e.
Chemistry
1 answer:
Ede4ka [16]3 years ago
8 0

Answer: Superscript 32 subscript 15 upper P right arrow superscript 32 subscript 16 upper S plus superscript 0 subscript negative 1 e.

Explanation:

Beta Decay : It is a type of decay process, in which a proton gets converted to neutron and an electron. This is also known as -decay. In this the mass number remains same but the atomic number is increased by 1.

The general representation of beta minus emission is :

_A^Z\textrm{X}\rightarrow _{A+1}^Z\textrm{Y}+_{-1}^0e

The representation of beta decay of phosphorous- 32 :

_{15}^{32}\textrm{P}\rightarrow _{16}^{32}\textrm{S}+_{-1}^0e

Superscript 32 subscript 15 upper P right arrow superscript 32 subscript 16 upper S plus superscript 0 subscript negative 1 e.

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erastova [34]

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6 0
3 years ago
A student measures the mass of an object and obtains three values: 21.57 g,
Cerrena [4.2K]

Answer:

21.65

Explanation:

The average = total divided by the number of readings

21.57

22.04

<u>21.35</u>

Total = 64.96

Average = 64.96 / 3 = 21.65

6 0
4 years ago
A chemist determined by measurements that 0.015 moles of iron participated in a chemical reaction. Calculate the mass of iron th
exis [7]

Answer: 0.84 g

Explanation:

\text{ Mass of iron}=\text{ Moles of iron}\times \text{ Molar mass of iron}

Given: moles of iron = 0.015

Molar mass of iron = 56 g/mol

\text{ Mass of iron}=0.015\times 56g/mol=0.84g

Thus 0.84 g of iron participated in the chemical reaction.

7 0
3 years ago
What mass of water must be added to 5g of nacl to make 5% mass persentage of the solution?
Vitek1552 [10]

Answer:-

95 grams

Explanation:-

Let the mass of water to be added be M

So total mass = 5 + M

So 5% of this solution has 5g of NaCl by mass.

∴ (M+5) x (5/100) = 5

M+5 = 5 x 100/5

M+5=100

M= 100-5

95

So amount of water to be added is 95 gram

8 0
3 years ago
What is the voltage across the first 10-ohm resistor​
daser333 [38]

Answer:The answer is I = 12 / 10 = 1.2 amperes.

Explanation:

6 0
3 years ago
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