Answer
Q=4479.8 cal
Procedure
To solve the problem you will need to use the specific heat formula
Where;
Q=heat energy
m=mass
c=specific heat capacity
ΔT=change in temperature
Assuming that the heat released from the cracker of unknown material is equal to the heat absorbed by the water, then we can use the c and m for water in our calculations.
Substituting the values in our equation we have
Finally, transform the J to cal
<em>The frequency of the wave with a wavelength of is</em> <u>3.748 × 10 ⁶ /s</u>.
I attached the working and the answer to the question below. I hope I was able to help.
Please note that C = speed of light (2.998 × 10⁸ m/s), ν = frequency and λ= wavelength.
Explanation:
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Without an external doing work, heat will always flow from a hotter to cooler object. Two objects of different tempatures always interact. There are three different ways for heat to flow from one object to another. They are conduction, convention, and radiation.
A solid.
As you slowly go from the solid state to the gas, the molecules within spread farther and farther away.
