Answer:
the answer to number 9 is A.
Explanation:
Answer:
hi
Explanation:
im afraid i dont know sorry
have a good day though babe
Answer:
The combustion of hydrogen–oxygen mixtures is used to produce very high temperatures (approximately 2500 °C) needed for certain types of welding operations. Consider the reaction to be
H2(g)+1/2O2(g)=H2O(g)
change in enthalpy is -241.8 kJ
What is the quantity of heat evolved, in kilojoules, when a 160 g mixture containing equal parts of H2 and O2 by mass is burned?
Explanation:
i hope this help sorry if it does not ok bye luv!!!
Answer:
The heating and melting of candle wax
Explanation:
It heats up, but when cooled it hardens and cannot be put back into its original form.
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Light travels in a straight line as a wave. It does not require any medium or material to travel like sound waves which means it can travel in vacuum.The speed of the light from the special theory of relativity is a constant value of 38x10^8m/second