A block of an unknown substance has a mass of 13.7 g. When 64.9 J of energy is put into this block, the temperature is raised from 28.0°C to 37.8°C.

What is the heat capacity of this substance?
(Report numerical answers to 3 digits)

(Need help with steps please!! Struggling )

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?

Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?