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

In your own words, explain why creativity is an important quality for a scientist to have.

Which of the following is an example of a colloid? (1 point) A. muddy water B. mayonnaise C. orange juice D. cake mix

The gas in the piston is at constant temperature. A student increases the pressure on the piston from 2 atm to 3 atm. The observation will be summarized in a ro

A mixture contains five quarts of acid and water and is forty percent acid. If the mixture is to be weakened to thirty percent acid, how much water must be adde

Cheryl bought a sandwich for 5 1/2 dollars and a drink for $2.60. If she paid for her meal with a $10 bill, how much money did she have left? Write as a fractio

The less the energy a wave has, the smaller it's _______

Please choose the answer that describes the Scientific notation for 5,098,000 A. 5.098 x 10-6 B. 5.09& x 75-777 C. 5.098 x 10-8 D. 5.098 x 10-7

Suppose the chance of winning a game is 1/50. if you play the game 50 times independently, is it certain that you will win? if not, what is the chance of winnin

plane 2 is normal to vector 2i-7j+3k and contains point - 6,0,4 find the equation of the plane

What does the C in PRICES refer to?