CHEMICAL VS PHYSICAL CHANGE Please help with all for brainliest and 30 points

Write a word in each blank to complete the sentence.

A) flames show a change is taking place

B) hydrogen and oxygen react to form

C) chemical changes always change the way are stuck together in molecules.

D) add heat causes a material to change. If removing heat causes the material to return to the way is was, the change was probably a change.

Calculate: select the worksheet tab. this tab you calculate the analyte concentration.  fill in the first set of boxes ("moles h2so4" and "moles naoh") based on the coefficients in the balanced equation. (if there is no coefficient, the value is 1.)  record the appropriate volumes in the "ml naoh" and "ml h2so4" boxes.  record the concentration of the titrant in the m naoh box. click calculate. what is the concentration listed

An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron

What is the source of continuous heat and energy that we receive from the sun