zoegrace zoegrace

22-09-2016
Physics

contestada

Which of these is an example of a chemical change?

a.leaving cheese out to get moldy
b.smelling sprayed perfume
c.feeling ice melt on your skin
d.crushing ice with a hammer

Respuesta :

deanna040720 deanna040720

22-09-2016

A; A chemical change makes a substance that wasn't there before. Moldy cheese has a new substance, color change and an odor.

Answer Link

Otras preguntas

write a paragraph on my favourite teacher

Collect information about working of geyser and prepare a report

true or false questions basic math 1.the total surface area of a cube each of whose edges is 12 inches long is 6 square feet 2.if the tank in a car holds 15 gal

Factor by grouping:4-12r+9r^2i know the answer is (2-3r)^2Can anyone explain to me how it is?

What is 3 to the 3rd power times 3 to the 4th power

write a paragraph on my favourite teacher

Factor by grouping:4-12r+9r^2i know the answer is (2-3r)^2Can anyone explain to me how it is?

Georges Cuvier's discovery of fossils of Irish elk and giant ground sloth:

what are the rational numbers of -12,0,35,4.85,√12,√36,19/6,-10/11,1.4949949994

A soccer ball is kicked straight up from the ground with an initial velocity of 32 feet per second. Its height above ground in feet is given by: s(t)=-16t^2 +32