wisamalkassas wisamalkassas

24-09-2016
Chemistry

contestada

an unknown substance has mass of 20 grams and volume of 2 cm3. What is the density of the substance

Respuesta :

Livinus Livinus

24-09-2016

Density is the ratio of mass of as substance per unit volume of the same substance.
mass (20g)
volume (2cm3)
20g divide by 2cm3
therefore density is 10gcm-3

Answer Link

Otras preguntas

A fan is a complex machine ? True or false ?

Find the quotient and remainder if f(x) is divided by p(x). \[f(x)=2x^4-x^3-3x^2+7x-12\]; \[p(x)=x^2-3\]

Pedro simplified four over seven divided by five over eight.; his work is shown below. Identify where he made his error. Original division problem: four over

What's the answer ?????

why is sin(theta)= -1 equal to theta=(3\pi)/2

y=1/6x+7 write in standard form

The sum of the squares of 3 consecutive positive integers is 116. What are the numbers? Which of the following equations is used in the process of solving this

use a quadratic equation to find two real numbers that satisfies the situation. The sum of the two numbers is 7 and their product is 14. a. 3,4 b. -3, 4 c. -3,

The sum of two numbers is 62 and their difference is 16. Which system of equations represents the word problem? 1. x + y = 62 and x - y = 16 2. x + y = 62 and 6

Which of the following most significantly helped facilitate the rise of Communism in the Soviet Union? A) The rise of Nazi Germany. B) An election of the Ru