Answer:
Q = 797.5 cal
Explanation:
Given that,
Mass of iron, m = 50 g
The temperature rises from 55°C to 200°C.
We need to find the heat needed to raise the temperature. The heat raised is given by :
Put all the values,
So, 797.5 calories of heat is needed.
Answer:
dweyflgyegfuyegfyegrygeyrgyr8ogeyurkgevyrujfryujftewy
Explanation:
jk b or e
Hmm, I am not quite sure but if I am probably your best bet so I'd go with, either B or D.
N<span>icolaus </span>Copernicus<span> was a Polish astronomer who put forth the theory that the Sun is at rest near the center of the Universe, and that the Earth, spinning on its axis once daily, revolves annually around the Sun. This is called the heliocentric, or Sun-centered, system.</span>
