Chemistry College

For the reaction:
C2H6 +
02 → CO2 +
H20
How many grams of CO2 are produced for each 8.00 grams of H20 produced?

Answers

Answer 1

Answer:

Explanation:

no of moles of water=8.00/18=0.4

1 mole of C2H6 produced 1 mole of CO2 and 1 mole of H2O

so  for 1 mole of H2O 1 mole of CO2 is produced therefore for 0.4 mole of H2O 0.4 mole of CO2  is produced

now 0.4 mole of CO2 contain how much grams=0.4*44=17.6grams

but complete combustion of 2 mole of ethane produce 4 mole of CO2 and 6 moles of H2O

so  for 6 mole of H2O 4 mole of CO2 is produced therefore  for 0.4 moles of H2O 0.27 moles of CO2 is produced

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Answer:

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Explanation:

I will comment more below.

The elements that represent the highest points on the graph are all elements of group 1 and occur at the head of the period to which they belong.

The periodic table is an arrangement of elements in groups and periods. The elements in the same group have the same number of valence electrons while the elements in the same period have the same number of shells.

Looking at the graph, we can see that the high points in the graph all correspond to the group 1 elements; sodium, potassium, rubidium and cesium.The have the highest atomic radii in the period. Atomic radii increases down the group but decreases across the period. Remember that these elements are at the head of the period to which they belong hence they have the highest atomic radii.

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