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2 years ago

11

How is a lithium atom (Li) different from a lithium ion (Li+)

1 answer:

Andrews [41]2 years ago

3 0

A Lithium atom that has lost ONE Electron, is called a Lithium Ion (Li+).

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Olivia bought new gym shoes to play volleyball because she kept slipping when she ran in her old shoes. How will the new soles h

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2 years ago

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How many kinds of atoms are in a pure substance?

stepan [7]

Single type of atom builds a single atom

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Svet_ta [14]

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If an alloy is formed that is 50 mol% silver and 50 mol% gold, what is the karat number of the alloy?

Allisa [31]

Answer : 12 karat

Explanation : When pure gold is considered to be 24 karat then if its 50 mol% silver and 50 mol% silver then using karat scale calculation;

Karat/24 X 100 = 50 mol% (for gold) in alloy

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Hence the alloy will be of 12 karat.

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3 years ago

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An ideal gas in a sealed container has an initial volume of 2.80 L. At constant pressure, it is cooled to 18.00 °C, where its

Aleks04 [339]

Answer:

$T_1=-91.18\°C$

Explanation:

Hello there!

In this case, given the T-V variation, we understand it is possible to apply the Charles' law as shown below:

$\frac{T_1}{V_1}= \frac{T_2}{V_2}$

Thus, since we are interested in the initial temperature, we can solve for T1, plug in the volumes and use T2 in kelvins:

$T_1= \frac{T_2V_1}{V_2}\\\\T_1= \frac{(18.00+273.15)K(1.75L)}{(2.80L)}\\\\T_1=182K-273.15\\\\T_1=-91.18\°C$

Best regards!

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3 years ago