How much heat is required to raise the temperature of 85 kilograms of silver by 23 kelvin's?

the answer is b & c i believe : )

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".

c. 4.54 x 10–12 j happens to be correct