The answer is; C
C3H8 + 5O2 → 3CO2 + 4H2O
Balancing equations makes sure that the numbers of atoms of an element on one side of the equation are the same as those in the other side. This ensures that the law of conservation of matter is observed because matter cannot be destroyed or created in chemical reactions – therefore the mass of reactants must be the same as those of the products.
What is Canada's most important industrial area? What is produced there?
St. Lawrence Valley-Ontario Peninsula, steel and cars are produced there
The body is divided into several different systems. Do you need examples of the systems?
Answer:
i think D
plz correct me if im wrong ill change the answer
but can i have brainliest after i change the answer correctly
Explanation:
The direct and easy solution for this problem is through dimensional analysis. This is done by cancelling out the same units of dimensions resulting to the unit of what is asked. In this case, the resulting unit should be in $.
The number of hours in a day from 7:15 am to 2:45 pm is 7.5 h. In 187 days, that would be:
187 days * 7.5 h/day = 1402.5 h
The rest of the solution goes:
1402.5 h * $0.1/kWh * 1 kW/1000 W * 35 W/bulb * 72 bulbs =
$353.43