Answer: 6.38 moles of 
are needed to react with 2.55 mol of 
Explanation:
The balanced chemical reaction for the combustion of ethyne is:
According to stoichiometry:
2 moles of require = 5 moles of
Thus 2.55 mol of require = 
moles of
Thus 6.38 moles of are needed to react with 2.55 mol of
Answer:
It is A).
Explanation:
Silver (Ag) goes from the pure metal to Ag+ losing 1 electron so it is oxidised.
The hydrogen ion gains electrons and is reduced.
Answer:
climate is average of weather over time and place and weather can change from day to day.Weather is also affected by humidity, rain, cloudiness.
Explanation:
Answer:
, 
Explanation:
The change in energy is given by the change in gravitational potential energy:
The average rate of change in terms of time is approximately this:
what is it i don't get it means i don't understand
