Which use of iron is due to its chemical properties? producing colored sparks in fireworks changing from liquid to gas at 2,862°C conducting electricity and heat changing from solid to liquid if heated to 1,538°C

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.