<span>3) which is an example of a physical change
</span><span>a) grinding pepper</span>
Answer:
synthesis
Explanation:
I believe answer is d a synthesis reaction
Answer: The answer is A:0.50 Miles
Explanation:
Well this is a lot but i got you
.
1 mile = 1.61 kilometers, and
1000 meters = 1 kilometers
Thus, we can setup the ratio below and solve:
Rounding to 2 decimal places, 800 meters = 0.50 miles
Since the heat of combustion of butane is higher than that of propane, butane will produce more heat per gram when burned compared to propane.
The heat of combustion of a compound refers to the heat evolved when one mole of the compound is burnt under standard conditions. This heat of combustion increases from methane upwards.
Since the heat of combustion of alkanes increases according to increasing molar mass, butane will produce more heat per gram when burned compared to propane.
Learn more about heat of combustion: brainly.com/question/25312146
Answer:
b i think im not fully sure
Explanation: