Chemistry, 05.06.2020 01:57, laraekeyes

You are performing an experiment which requires you to add 2.00 grams of benzene to a reaction. Benzene has a density of 0.790 g/mL. You should add: a. 2.53 mL
b. 0.395 mL
c. 1.58 mL
d. 2.00 mL

Answers: 2

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Answers

answered: damonsmith201615

a. 2.53 mL

Explanation:

Hello,

In this case, by knowing the density is defined as the ratio of the mass to the volume:

$\rho =\frac{m}{V}$

Since both the mass and density of benzene are given, we can easily compute the volume by solving for it:

$V=\frac{m}{\rho}=\frac{2.00g}{0.790g/mL}\\ \\V=2.53mL$

Therefore the answer is a. 2.53 mL .

Best regards.

answered: jadejordan8888

a. 2.53 mL

Explanation:

The density is an intensive property, that is, it does not depend on the system size or the amount of material in the system. At a given temperature, the density of a liquid is constant, so it can be used to identify a substance.

The density (ρ) results from the quotient between the mass (m) of the liquid and its volume (V). We can use this expression to find the volume corresponding to 2.00 grams of benzene (ρ = 0.790 g/mL).

ρ = m / V

V = m / ρ

V = 2.00 g / (0.790 g/mL)

V = 2.53 mL

answered: Guest

water molecules stay close to each other through cohesion, the collective action of hydrogen bonds between water molecules. cohesion plants draw water upwards from the root through the stem's transport tubes (xylem) to the leaf. this transport occurs even in large trees and against gravity. transpiration, evaporation of water from plant leaves, creates a tension on water molecules being pulled up from the stem and roots.

water also has high (the attraction of one substance to another) properties because of its polar nature. adhesion of water molecules to plant cell walls counteract gravity while water is transported from roots to leaves.

water exhibits a very high surface tension when compared to other liquids. surface tension is a property of a liquid that holds the surface together and allows it to resist an external force. by capillary action, the water forms concave menisci inside the pores. the high surface tension of water pulls the concavity outwards, generating enough force to lift water from the roots to the leaves of plants.

thus, cohesion, along with adhesion and surface tension creates a capillary action that keeps water molecules interacting and moving through the plants out to the leaf cells.

therefore, option d) is the correct answer.

explanation:

answered: Guest

The problem here is that according to aufbau principle before 3d orbital 4s subshell comes.after filling 3p orbital with electrons you have 4 electrons left, you place two in 4s with opposite spin and the other two in 3d in any of its two orbitals of total five orbitals with the same spin.

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You are performing an experiment which requires you to add 2.00 grams of benzene to a reaction. Benz...