messinal20 messinal20

01-06-2016
Physics

contestada

What is density? Can density be used to identify an unknown substance?

Respuesta :

Redders Redders

05-06-2016

density is the amount of mass an object has in a certain volume. e.g 2g/cm3(cubed).

objects can be classed into different densities, so in an unorthodox way, it can be used to identify substances.

Answer Link

Otras preguntas

What is the circumference of a circle with a radius of 2.5 m? A. 2.5π m B. 5π m C. 6.25π m D. 25 π m

what is the name of the process where animal cells break down sugar?

The nucleus of one boron atom has five protons and four neutrons. Determine the total number of electrons in the boron atom.

Which compound contains ionic bonds?(1) NO (3) CaO(2) NO2 (4) CO2

Which statement describes what occurs as two atoms of bromine combine to become a molecule of bromine? (1) Energy is absorbed as a bond is formed. (2) Energy is

Solve the inequality. 6y+5>8

what is 245.3 divided by 5=?

Which physical changes are endothermic? (1) melting and freezing (2) melting and evaporating (3) condensation and sublimation (4) condensation and deposition

What is the approximate circumference of a circle with a radius of 20 inches? Use π ≈ 3.14. A. 125.6 inches B. 62.8 inches C. 251.2 inches D. 120 inches

How many F's can I get in order to still pass 7th grade??? What's the maximum??