Answer The value of 
and 
is, 40.79 kJ and 37.7 kJ respectively.
Explanation :
Heat released at constant pressure is known as enthalpy.
The formula used for change in enthalpy of the gas is:
Now we have to calculate the work done.
Formula used :
where,
w = work done = ?
P = external pressure of the gas = 1 atm
= initial volume = 
= final volume = 
Now put all the given values in the above formula, we get:
Now we have to calculate the change in internal energy.
Thus, the value of and is, 40.79 kJ and 37.7 kJ respectively.
Answer:
the speed of the wave is 96.6
Explanation:
to find do frequency x wavelength
Answer:
It will cost $68,620.5 to the club to add the grass turf to their field.
Explanation:
length of the field = l = 0.102 km = 0.102 × 1000 m
( 1km = 1000 m)
Width of the field w = 0.069 km = 0.069 × 1000 m
Area of the field , A= l × w
Cost of grass turfing = 
Cost of grass turfing on field of 
:
It will cost $68,620.5 to the club to add the grass turf to their field.
Answer: true
sound waves need particles to move through
