Explain what is the theoretical yield of chromium

Assignment Help Chemistry

Reference no: EM13130262

Moles; Chemical Formula of Stable Molecule; Valence Electrons; Theoretical Yield etc.

Question 1

OH is a common ingredient in all...

a) alcohols
b) benzene rings
c) amines
d) organic molecules

Question 2

One mol of chromium weighs 24 grams, true or false?

Question 3

Cesium and oxygen combine to form a stable molecule. The chemical formula is

a) CsO
b) CsO3
c) Cs2O
d) Cs3O2

Question 4

How many valence electrons does a carbon atom have?

a) 1
b) 2
c) 3
d) 4
e) 6

Question 5

What is the theoretical yield of chromium that can be produced by the reaction of 40.0 g of Cr2O3 with 8.00 g of aluminum according to the following equation?

2Al + Cr2O3 Al2O3 + 2Cr

a) 7.7 g
b) 15.4 g
c) 27.3 g
d) 30.8 g
e) 49.9 g

Reference no: EM13130262

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