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

Which resulted from the study of chemistry? A) Alchemy to turn base metals into noble metals B) The understanding of earth, air, fire, and water as the basic co

When the current in a toroidal solenoid is changing at a rate of 0.0260 A/s, the magnitude of the induced emf is 12.6 mV. When the current equals 1.40 A, the av

Iron(II) is available to bond with chloride ion. How many of each type of ion will bond to form an ionic compound? A) 3 iron(II), 1 chloride B) 2 iron(II), 3 ch

(a) Identify the name of the method used below for the separation. (b) Give one more application of this method of separation. (c) What is the name for the line

simplest form 2 3/4 x 4/5 *

What similarities the US Constitution have to the CONSTITUTION OF THE CHOCTAW NATION OF OKLAHOMA?

(07.02 MC) Find the measure of angle x. Round your answer to the nearest hundredth. (please type the numerical answer only)

taiwan essay describe a market in the morning, the atmosphere, the streets nighttime - the nightview, the silence, the streets in comparison, night markets - cr

Matter in an ecosystem_______. A) Flows only one way B) is part of an open system C) is eventually lost as heat D) is broken down into chemical nutrients

How does technology greatly impact the way we learn?