907swimmer 907swimmer

23-01-2015
Chemistry

contestada

which of the following is a physical change?
-Burning
-Rusting
-Freezing
-Oxidation

Respuesta :

starkid starkid

23-01-2015

Freezing is a physical change caused by temperature.
The others cannot be undone easily, because the chemical structure has changed.

Answer Link

Otras preguntas

PLEASE HELP I DON'T UNDERSTAND

A bowling ball with a mass of 4.5 kg travels at a velocity of 37 m/s for 2.5 s until it is stopped at the end of the lane by the ball return. What additional i

The number of grocery items on two grocery lists differs by 7. the total number of items is 33. How many items are on each list?

84 is 15% of what number

what are the coordinates Y = 6x +11 2y-4x=14

What can you search on Microsoft Word or Powerpoint Clipart or Google (Clip art) to find more pictures like the ones below but with different emotions

PT=x+2, TR=y, QT=2x, TS=y+3

Elaine uses 19 connecting cubes to make a model of a house. The house model is in the shape of a rectangle and is one cube high. How many different ways could E

describe step by step how we can map the field of a variable quantity.

HOW CAN YOU MAKE 7,5,6,AND 3 EQUAL 75 USING PARENTHESIS.