I like to put ice (c= 2.11 J/gC) in my coffee to cool it down. If the temperature of the ice I get out of my refrigerator is at 2°C and drop it into 100g of hot coffee at 80°C (c = 4.18 J/g°C).
How much ice would I need to use if I want the ending temperature to be 50°C?
*make sure to include the units on your answer

b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.

your answer is c) plasma

~*"auba14"*~

qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.