I am stuck on this lab and have absolutely no idea how to do it.

Chemistry

2 answers:

expeople1 [14]3 years ago

4 0

Hey i did this lab a few months ago!

seropon [69]3 years ago

4 0

Id get the elements chart that might help

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Which type of cell is larger

Karo-lina-s [1.5K]

Answer: eukaryotic cell

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3 years ago

How many moles of ethane (C2H6) would be needed to react with 62.3 grams of oxygen gas?

Vladimir [108]

Note that it says oxygen "gas"
So you need the atomic mass of oxygen gas

Look at your periodic table, you'll see 15.9994 under oxygen
Oxygen gas has a formula of O2 therefore,
(15.9994) times 2= Oxygen gas atomic mass=31.9988

Mol= Mass/Atomic Mass
=62.3 g/ 31.9988 g/mol = 1.95 mol

now look at the ratio of C2H6 and O2, notice there is an invisible number beside each of them, at that "invisible number" is =1

1 C2H6 + 1 O2 -> products

this means that for 1 mol of C2H6, 1 mol of O2 has to react with it

Thus as we have 1.95 moles of O2, we need 1.95 moles of C2H6

5 0

3 years ago

Rank the following compounds from highest boiling to lowest boiling. To rank items as equivalent, overlap them.

Olegator [25]

1-pentanol > 1-butanol > 1-chlorobutane > pentane

Explanation:

You my find in the attached picture the structures of the compounds, names and also the variation of their boiling points.

Alcohols have higher boiling points because they form hydrogen bonds between the molecules.

Learn more about:

boiling points in organic compounds

brainly.com/question/2153588

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