29-09-2017
Chemistry

contestada

Which statement best describes the difference between a physical change and a chemical change

Respuesta :

samira2101 samira2101

02-10-2017

physical change happens alone without adding chemical but by doing things but you add chemicals and other things to have chemical change

Answer Link

Otras preguntas

in the following figure, which area represents producer surplus? in this graph, the y-axis is price and the x-axis is quantity. there are two lines representing

based on schacter’s discussion in hot science: personality on the surface, how do you think your digital and social behavior fits with in extraversion

a 1,000-mw (el) power plant working at 35% thermal efficiency 100% of the time (base load) uses coal with formula ch and a heating value of 30 mj/kg. how much c

Is it possible to make a triangle that has sides that measure 8 inches, 2 inches and 4 Inches ?

A thin film of polystyrene is used as an antireflective coating for fabulite (known as the substrate). The index of refraction of the polystyrene is 1.49, and t

Choose the correct variants 1 Barbara is__________ to coming first to the office. a) use b) should c) likely d) accustomed 2 I could phone the restaurant if yo

Kelly has 4 times as many songs on her music player as lou. Tiffany has 6 times as many songs on her music as lou. Altogether they 682 songs. How many songs doe

PLEASE HELP I DONT KNOW WHAT IM DOING ILL GIVE A BUNCH OF POINTS AND BRANLIEST FOR WHO GIVE ME THE RIGHT ANSWERS?

17. when evaluating an exercise, evaluators record their observations in the exercise evaluation guide (eeg). observations that should be recorded include: a. a

can someone please help me