Answer: The molality of this solution is 1.7 m
Explanation:
Depression in freezing point:
where,
= freezing point of solution =
= freezing point of pure chloroform =
= freezing point constant of benzene =
m = molality
i = Van't Hoff factor = 1 (for non-electrolyte)
Thus the molality of this solution is 1.7 m
Answer:
oxygen : produced through photosynthesis
carbon dioxide : released by volcanoes
lighter gases : escaped into space
heavier gases : sank to the surface
Explanation:
at the beginning of the formation of the earth the atmosphere of the earth was so different from our atmosphere now . The earth was just melting ball full of hydrogen and helium gases only , after it started to be cooler and more sold the volcanoes erupted and released carbon dioxide and water vapor and nitrogen. and a type of a small bacteria used the radiation or the light of the sun and process of photosynthesis and produce oxygen , also the radiation of the sun breaked the molecule of water which consist of H2O and give more free Oxygen and the hydrogen and light gases started to escape into space, and the heavier gases sank to the surface
More collisions occur making the particles used up
Answer:
check the attached image. hope it helps
Explanation:
a. What does mol/L mean? mol/L means Molar Concentration
b. Describe in your own words how mol/L compares to grams/liter. (similarities and differences)
<u>Similarities:</u><u> </u>mol/L and grams/liter both are units of concentration.
<u>Differences</u>:
mol/L concentration says how many moles of solute are present in 1L of solution.
grams/liter concentration says how many grams of solute are present in 1L of solution.
3. Describe at least 2 ways in the simulation to change each of the parameters:
a. Volume of solution= evaporating or adding more water
b. amount of solute=reducing the water or evaporating more water
c. Concentration of solute in solution = evaporating or adding more solute
The difference is the no. of charges present in Carbon, meaning Carbon has different charges therefore Roman numerals are used to clarify the exact number.This makes balancing equations easier.
Also their names are different.
CO4 - Carbon tetroxide
CO2 - Carbon dioxide