Answer:
Option (D) freezing point depression
Explanation:
Calcium chloride is added to the roadways after a snowstorm because it reduces the freezing point of the ice. Further more, it has been observed that the calcium chloride also produces enough heat which enhances the melting of the ice as it produces an exothermic reaction.
Answer:
1.316 moles of Aluminum
Explanation:
The molar mass for Al is 26.98 g/mol

Where is the graph at? may you send a picture of it?
Answer:
The answer is
<h2>1.0 g/cm³</h2>
Explanation:
The density of a substance can be found by using the formula

From the question
mass = 10 g
volume = 10 cm³
It's density is

We have the final answer as
<h3>1.0 g/cm³</h3>
Hope this helps you