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

Two bodies of masses 1 kg and 2 kg are located at (1, 2) and (-1, 3), respectively. Calculate the coordinates of the center of mass.

As a typical American father, Hans would be most upset if his son Franz

The number u subtracted from the product of r and s

Why is it important to check your credit history? a) to track my current debtb) to determine whether I need a loanc) to ensure that the information is correctd)

Which of the following is a glycolytic enzyme that catalyzes the cleavage of fructose-1, 6-diphosphate to glyceraldehyde-3-phosphate and dihydroxyacetone phosph

Regarding axodendritic synapses, what is a characteristic feature? A) Are rare B) Often terminate on the axon hillock C) Always terminate on dendrites D) Somet

Organization 5 To achieve their goals, organizations obtain ____________ and then transform them into ____________.

Match each term with the phrase that best defines it:1. Push factor2. Quota3. Birthrate4. Pull factor5. AmnestyOption:a. Something that encourages a move from a

In a pH meter reference electrodes may include:A. silver-silver chlorideB. quinhydroneC. hydroxideD. hydrogen

uppose that the crash cost is $10 million, normal cost is $8 million, normal project time is 10 years and crash time is 8 years. what is the project's crash cos