Answer:
The groupings of elements in the periodic table reveal various trends, present in groups such as the alkali metals and noble gases, or the lanthanides and actinides. The periodic table can be used to find information on elements or predict the properties of as-of-yet undiscovered elements.
Explanation:
<span>The vaporization of br2 from liquid to gas state requires 7.4 k/cal /mol.</span>
Answer:
I think it's b.
Explanation:
Because solubility increased by temperature.
Answer:
The answer is
<h2>190.32 g</h2>
Explanation:
The mass of a substance when given the density and volume can be found by using the formula
<h3>mass = Density × volume</h3>
From the question
volume of ethanol = 146.4 mL
Density = 1.3 g/mL
The mass is
mass = 1.3 × 146.4
We have the final answer as
<h3>190.32 g</h3>
Hope this helps you