Answer:
Explanation:
Hello,
In this case, we can analyze the colligative property of solutions - freezing point depression - for the formed solution when ethylene glycol mixes with water. Thus, since water freezes at 0 °C, we can compute the freezing point of the solution as shown below:
Whereas the van't Hoff factor for this solute is 1 as it is nonionizing and the molality is:
Thus, we obtain:
Best regards.
6 Li + N2 = 2 Li3N
6 moles Li ---------> 2 moles Li3N
0.24 moles Li ------> ?
moles Li3N = 0.24 * 2 / 6
= 0.48 / 6
= 0.08 moles of li3N
hope this helps!.
1.50 atm(760 mmHg/1 atm)=1140 mmHg
Alfred Wegener
Explanation:
Alfred Wegener in 1912, proposed the theory of continental drift from his careful studies of different land masses. From his observations, he suggested the following:
- Some fossils of tropical plants were found in polar and temperate regions.
- Fossils of mesosaurus were found in South America and South Africa now separated by the Atlantic ocean.
- He fitted the continents into a giant land mass puzzles.
- Coal beds in Europe were similar to those in United States.
- Mountain chains in the edge of West Africa was similar to that of Eastern part of South America.
His theory lacked a mechanism which facilitated the plate movement.
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C + O2 ——> CO2
Carbon plus oxygen forms carbon dioxide
