From the periodic table:
the mass of lithium = <span>6.941 grams
Since lithium is monoatomic, therefore, the molar mass of lithium = </span><span>6.941 grams
Now, we need to calculate the mass of two moles of lithium:
mass of two moles of lithium = 2 * </span><span>6.941 = 13.882 grams
Based on the above calculations, the answer is:
True</span>
Answer :
The conversion used for the temperature from Fahrenheit to degree Celsius is:
The conversion used for the temperature from degree Celsius to Kelvin is:
(a) 
The temperature in degree Celsius is, 
The temperature in Kelvin is, 255.812 K
(b) 
The temperature in degree Fahrenheit is, 
The temperature in Kelvin is, 3683 K
(c) 
The temperature in degree Celsius is, 
The temperature in degree Fahrenheit is, 
Answer:true
Explanation:
In covalent bond, lone pair of electrons are shared by the reacting species inorder to achieve a stable duplet or octet condition.as a result, molecules and not ions are formed
The M stands for molar, so it would be 5.0 molar. is that what you need?
The artificial fixation of nitrogen (N2) has enormous energy, environmental, and societal impact, the most important of which is the synthesis of ammonia (NH3) for fertilizers that help support nearly half of the world's population.
<h3>
Artificial fixation of nitrogen</h3>
We can generate ammonia gas in the research centre by slowly heating ammonium chloride (NH4Cl) and slaked lime [Ca(OH)2].
The following reaction can be used to make H₂ for the synthesis of ammonia from the greenhouse gases carbon dioxide and methane: CH₄(g) + CO₂(g) ⇄ 2CO)g) + 2H₂(g
When added to a solution of copper sulfate, ammonia turns the solution deep blue.
NH3 + CuSO4 + nH2O→ [Cu(NH3)4(H2O)n]SO4
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