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gogolik [260]
3 years ago
10

38- List the atomic number and name the element, whose electron configuration

Chemistry
1 answer:
strojnjashka [21]3 years ago
5 0

Answer:

Atomic Number - 11. Sodium

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Compound X has a molar mass of 283.89 mol^-1 and the following composition:
olchik [2.2K]

Explanation:

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7 0
3 years ago
If a gas is cooled from 315K to 231K and the volume is kept constant, what would the final pressure be if the original pressure
goblinko [34]

Answer:

455.4 mmHg

Explanation:

To solve this problem we can use <em>Gay Lussac's Law</em>, which describe the temperature and pressure of a gas, at constant volume and composition:

  • P₁T₂ =  P₂T₁

In this case:

  • P₁ = 621 mmHg
  • P₂ = ?
  • T₁ = 315 K
  • T₂ = 231 K

We <u>input the data</u>:

  • 621 mmHg * 231 K = P₂ * 315 K

And <u>solve for P₂</u>:

  • P₂ = 455.4 mmHg
5 0
3 years ago
Chloroform has a density of 1.483g/ml. A sample of chloroform has a volume of 1.93 liters. How many kilograms does it weight? ​
ollegr [7]

Weight of Chloroform : = 2.862 kg

<h3>Further explanation</h3>

Given

Density 1.483 g/ml

Volume = 1.93 L

Required

Weight of Chloroform

Solution

Density is a quantity derived from the mass and volume  

Density is the ratio of mass per unit volume  

Density formula:  

\large {\boxed {\bold {\rho ~ = ~ \frac {m} {V}}}}

ρ = density  

m = mass  

v = volume  

Convert density to kg/L :

=1.483g/ml = 1.483 kg/L

So the weight(mass) :

= ρ x V

= 1.483 kg/L x 1.93 L

= 2.862 kg

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Where does the production of the following drugs take place?
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Takes place in USA and Mexico
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3 years ago
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