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erik [133]
3 years ago
7

What is an example of radioactive decay

Chemistry
1 answer:
Orlov [11]3 years ago
3 0
Types of decay | Radioactive decay | Khan Academy▶ 17:02<span>https://www.khanacademy.org/.../radioactive-dec...</span>Khan Academy<span>Alpha, Beta, Gamma Decay and Positron Emission. ... Radioactive decay. Mass defect and binding energy ...</span>
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Elements in the same blank on the periodic table have the same number of valence electrons
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Elements in the same group on the periodic table have the same number of valence electrons. The "groups" are the column (or rows). groups are vertically and periods are horizontally. 
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Which of the following is a property of water a. polar molecule b. regulates temperature c.universal solvent d. all of the above
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A landslide<br><br>A. weathering <br>B. erosion <br>C. deposition​
likoan [24]

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I hope u find it helpful

5 0
3 years ago
Student prepares a 0.207 g sample of the nonvolatile solute caryophyllene by dissolving the substance in 1.00 g of chloroform (K
Sergeeva-Olga [200]

Answer: 204.2 g/mol

Explanation:

Elevation in boiling point is given by:

\Delta T_b=k_b\times m

\Delta T_b =  Elevation in boiling point =  3.68^0C/m

k_b = boiling point constant  = 3.63^0C/m

m = molality

Molality=\frac{n\times 1000}{W_s}

where,

n = moles of solute = \text {given mass}{\text {molar mass}}=\frac{0.207}{M}

 W_s = weight of solvent in g  = 1g

Molality =\frac{0.207\times 1000}{M\times 1g}

Putting in the values we get,

3.68=3.63\times \frac{0.207\times 1000}{M\times 1g}

M=204.2g/mol

The molar mass of caryophyllene is 204.2 g/mol.

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3 years ago
Teeth to Bachile can be see more than once
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Huh I don’t understand
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