Part 2 Finishing up some Chemistry assignments! Mind giving me a helping hand?

One similarity and one difference between an element and a mixture of elements

Can someone check my work 98 5.05 acids and bases for this assignment you will be comparing acids and bases. the chart below will you organize the information needed: acids bases chemical properties (2) deodorant detergent vinger dish soap physical properties (2) orange juice toilet cleaner drain cleaner window cleaner ph level acid ph goes from 0-4 bases ph goes from 10-14 examples around you (2) vinger coffee lemon juice dark chocolate

What type of energy conversion occurs when you place your feet near the fire place and they become warm