OlafSummer OlafSummer

01-03-2017
Chemistry

contestada

Give an example of a purely physical change and an example of a chemical change

Respuesta :

yoloswaggs51 yoloswaggs51

01-03-2017

Physical change- crunching up paper
Chemical change- burning paper

Answer Link

Otras preguntas

Please help me on this problem

A whole pizza from Benny's pizza shop has 8 slices.adriana has 4 5/8 pizzas.how many slices of pizza does she have?

When 25mL of 0.30M solution is diluted to 50 m L , the new concentration is: 0.10M 0.60M 0.15M 0.30M

Which of these protects the Earth from harmful radiation when found in the stratosphere, but is a pollutant at lower altitudes?

1.)When Andy lifts a very heavy box once, he is demonstrating ____. A.)Muscular Indurance B.)Muscular Strength C.)hypertrophy 2.)If Louise discovers that she ca

How much interest will you earn by investing $1200 at a simple interest rate of 2.5% per year for 6 years

which of the following is a trigonometric identity?A. cot(theta)+tan(theta)=1B. sec^2(theta)+csc^2(theta)=1C. tan^2(theta)=sin^2(theta)×sec^2 (theta)D. cos^2(th

The most widely used renewable energy source is _____.

Mr. Vazquez determines that the area of a bathroom in his house is 25 square feet less than 1/5 of the area of the living room. If the bathroom measures 35 squa

The average atomic mass recorded on the periodic table for krypton is 83.80 u. This indicates that the most abundant isotope of krypton is