Please help me solve this.
3. How much heat is required to raise the temperature of 179g of acetic acid, CH3COOH, from 250C
to 82.70C?
4. 3350 J of heat is required to raise the temperature of a sample of AlF3 from 250C to 800C. What
is the mass of the sample?
5. 54 J of heat is required to raise the temperature of a 2.47g unknown substance from 17.10C to
46.70C.
a) Calculate the specific heat of the substance
b) What is the substance?

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.