4- A. If a person inhales 51 moles of oxygen, how many grams of oxygen molecules are being inhaled?
B. How many molecules are being inhaled?
2.
The molecular formula of ibuprofen is C13H18O2
The atomic masses of C, H and O are 12 g/mol, 1 g/mol and 16 g/mol
respectively.
The molar mass of ibuprofen is
200 mg = 0.200 g
Number of moles
Number of molecules
molecules
3.
The burning of 1 mole propane produces 3 moles of CO2.
The burning of 6 mole propane produces
moles of CO2
4.A
The molar mass of oxygen is 32 g/mol.
Grams of oxygen molecules inhaled
B
Number of molecules being inhaled
2. A normal dose of ibuprofen is 200. mg. How many ibuprofen molecules are there in...
How many grams of oxygen are required to burn 0.10 mole of propane, C3H8? C3H8 + 5O2 ® 3CO2 + 4H2O
27) When propane (C3H8) reacts with oxygen, carbon dioxide and water are produced. The balanced equation for this reaction is: C3H8 (g) + 5O2 (g) ---> 3CO2 (g) + 4H2O (g) Suppose 17.8 moles of oxygen react. The reaction consumes ___ moles of propane (C3H8). The reaction produces ___ moles of carbon dioxide and ___ moles of water. How many grams of water are produced in the complete reaction of 27.2 grams of propane (C3H8)? ___ grams
How molecules of CO2 (g) are produced when 0.75 moles of propane are burned? Chemical reaction: C3H8 + 5O2 à 3CO2 + 4H2O
Ibuprofen is an anti-inflammatory with the formula C13H18O2. How many grams of ibuprofen are in 0.495 mol? How many moles of carbon are in 10.0 g of ibuprofen? How many moles of ibuprofen contain 1.15×1023 atoms of carbon?
The combustion of propane may be described by the chemical equation C3H8(g)+5O2(g)⟶3CO2(g)+4H2O(g) How many grams of O2(g) are needed to completely burn 70.9 g C3H8(g)? mass O2: g O2
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The propane, C3H8, in a fuel cylinder, undergoes combustion with oxygen in the air. C3H8(g)+5O2(g)⟶Δ3CO2(g)+4H2O(g) How many liters of CO2 are produced at STP if the cylinder contains 889 g of propane?
How many grams of O2(g) are needed to completely burn 35.9 g of C3H8(g)? C3H8 + 5O2 ---> 3CO2 + 4H2O
If we have C3H8 + 5O2 ---> 3CO2 + 4H2O a) How many liters of oxygen gas are required to react with 7.2 L of C3H8 if both gasses are at STP? b) How many grams of CO2 will be produced from 35 L C3H8 at 15 C and 1.65 atm? c) How many grams of water vapor can be produced when 15 L C3H8 at 15 C and 1.65 atm are reacted with 15 L O2 at -20.0 C...