thomasfeb22 thomasfeb22

01-06-2017
Chemistry

contestada

1. What is the density of a rock that has a mass of 243 g and a volume of 7.9 cm3?

Respuesta :

arjunpherwani arjunpherwani

01-06-2017

D=m/v
7.9 cm^3 = 7.9 mL
So, D=243/7.9
D=30.76 g/mL

Answer Link

Otras preguntas

A line passes through the origin and has a slope of 4. What is the equation of the line that is parallel to the first line and passes through the point (1, –2)?

Cardiovascular disease can be prevented through proper diet and exercise? True or false

For z = 2cis 60°, find z4 in rectangular form.

If Vance borrows an additional $3,600 when he has $400 of his own money to invest, by what factor will his losses or profits be multiplied?

Doing exercise stored Chemical energy is converted to energy that can be used for Muscle movement Bone development Ligament repair Blood vessel dilation

You can trap when a user presses a key using a form's KeyPress event: true or false?

Industrialization in the 19th century is most associated with A) revolution. B) urbanization. C) agrarian life. D) Manifest Destiny. Having a li

Write the following using algebraic notation using x as the unknown number: I think of a number, multiply it by 2, then subtract 9.

Describe how farming has affected Africa’s wealth.

Why would increased levels of greenhouse gases contribute to high temperatures on earth?