Answer:
A machine have 75% efficiency means 25% of efficiency has been lost due to friction and a machine can work 75% only.
Explanation:
Combustion of a compound is the reaction with oxygen , hence , the process of combustion is an oxidation reaction.
The carbohydrates contain more amount of oxygen as compared to the fats ,
Hence ,
carbohydrates , have a lot of oxygen contents , are are already partially oxidized , but fats have lower oxygen content .
Therefore ,
The partially oxidized carbohydrates are very difficult to oxidized in comparison to fats .
Answer:
In Fahrenheit it is 294.8°F and in Celsius it is 146°C.
44g of CO2 can produce by the reaction of carbon with oxygen
Answer:
Aluminum had more value than gold in the 1820s, because it was harder to obtain. Hope this helped :)