LordYoshee8515 LordYoshee8515

27-04-2018
Chemistry

contestada

If an object has a mass of 40 grams and a volume of 20 cm3, what is its density in g/cm3?
A. 0.5
B. 2
C. 40
D. 800

Respuesta :

mkryukova19 mkryukova19

03-05-2018

Density = mass/volume

Density = 40g/20cm³=2g/cm³
Density =2g/cm³ Answer B

Answer Link

Otras preguntas

The water level in Rick Lake changes at an average of -7/16 inch every 3 years. Based on the rate above, how much will the water level change after one year? Sh

Which one of the following choices requires that an MCO plan being reviewed for accreditation demonstrates that it has done a thorough credentialing process for

Which of the following best defines incremental earnings? A) the net present value (NPV) of earnings that a firm is expected to receive as the result of an inv

The N-terminal tail of histone H3 can be extensively modified, and depending on the number, location, and combination of these modifications, these changes may

Breach and remedies. What are rules for compensatory damages, how do they vary for goods, land and construction. What about consequential damages? Rescission, r

You are a member of the city council. Your community needs a new power plant. Citizens are trying to decide if they want a nuclear power plant or a new coal-bur

Ms. Fitness-Buff, a high school gym teacher, wants to propose an after-school fitness program. To get an idea of the fitness level of the students at her school

Scarlett has received authorization to add an assistant manager to her department. This person will be working closely with Scarlett and must have excellent int

Calculate the Lattice Energy of KCl(s) given the following data using the Born-Haber cycle: ΔHsublimation K = 79.2 kJ/mol IE1 K = 418.7 kJ/mol Bond EnergyCl–Cl

In the language of the BACB, when a behavior analyst makes treatment decisions he or she should "initiate, continue, modify, or discontinue behavior analysis se