Answer:
182.156g
Explanation:
grams = 49/.269 = 182.156g needed
I think the answer is -12.7
Answer:
burning wood be a chemical change because it wouldn’t be able to go back to its original form. A physical change would be a broken pencil. The pencil is still a pencil, it’s just a physical change.But if it were burned it would be a chemical change.
Explanation:
Answer:
0.26 moles
Explanation:
Number of moles = mass/molar mass
Mass of SiO2 = 15.5g
Molar mass of SiO2 = 60.08g/mol
Number of moles = 15.5g/60.08g/mol
=0.257
= 0.26 moles
See here question has answer in itself
The structural isomerism starts always from but word root .
So butane has one and most among all as rest three have none .
The two isomers are
