1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
satela [25.4K]
3 years ago
14

The density of benzene at 15 ∘C is 0.8787 g/mL. Calculate the mass of 0.1200 L of benzene at this temperature.

Chemistry
2 answers:
BabaBlast [244]3 years ago
8 0

The mass of 0.1200 L of benzene at 15° Celsius is 105.44 g.

FURTHER EXPLANATION

Density is a measure of how tightly packed the particles of a material are. The more tightly packed the particles, the greater the density and vice versa.  Density is also mostly defined as the amount of matter in a given volume or space. The amount of matter corresponds to its mass. Density is an intensive property of matter so it may be used to qualitatively identify an unknown substance.

To determine the mass of benzene, recall the definition of density:

density = \frac{mass}{volume}

Since the density and the volume of benzene are given, the mass can be calculated as follows:

mass = density \times volume

Before the given volume and density can be plugged into the equation, volume of benzene must first be converted to milliliters.

0.1200 \ L \times \frac{1000 \ mL}{1 \ L} = \boxed {120 \ mL}

Plugging into the equation for mass:

mass = 0.8787 \frac{g}{mL} \times 120 \ mL\\\\\boxed {mass = 105.444 \ g}

LEARN MORE

  • Learn more about Dimensional Analysis brainly.com/question/1557970
  • Learn more about Mole Conversion brainly.com/question/5297200
  • Learn more about Intensive property brainly.com/question/430934

<em>Keywords:  density, unit conversion, benzene</em>

Pavel [41]3 years ago
3 0
Use the density to convert volume into mass. 

since the density is in g/ml and the volume was given in Liters, we need to first convert the Liters into mililiters. just multiply by 1000 or move the decimal three times.

0.1200 Liters= 120.0 mL

120.0 mL (0.8787 grams/ 1 mL)= 105 grams
You might be interested in
The simplest atom contains one proton and one
asambeis [7]

Answer: Electron

Explanation: The element hydrogen has the simplest atoms, each with just one proton and one electron. The proton forms the nucleus, while the electron orbits around it. All other elements have neutrons as well as protons in their nucleus, such as helium

7 0
3 years ago
The Ka of a monoprotic weak acid is 0.00732. What is the percent ionization of a 0.123 M solution of this acid?
MaRussiya [10]

Answer:

21.60% is the percent ionization of a 0.123 M solution of this acid.

Explanation:

The equilibrium reaction for dissociation of weak acidis,

HA\rightleftharpoons A^-+H^+

initially conc.         c                       0         0

At eqm.         c(1-\alpha )                  c\alpha     c\alpha  

Concentration of the weak acid (c) = 0.123 M

Acid dissociation constant = k_a=0.00732

Degree of ionization of weak acid = \alpha

An expression of dissociation constant is given as:

k_a=\frac{(c\alpha)(c\alpha)}{c(1-\alpha )}=\frac{c\times (\alpha )^2}{(1-\alpha )}

0.00732=\frac{0.123 M\times (\alpha )^2}{(1-\alpha )}

\alpha =0.2160

Percent ionization of weak acid:

\% ionization=\frac{c\alpha }{c}\times 100

\frac{0.123 M\times 0.2160}{0.123 M}\times 100=21.60\%

5 0
3 years ago
The vaporization of 1 mole of liquid water (system) at 100.9 C, 1.00 atm, is endothermic.
yan [13]

Answer:

a) The work done is 10.0777 kJ

b) The water's change in internal energy is -122.1973 kJ

Explanation:

Given data:

1 mol of liquid water

T₁ = temperature = 100.9°C

P = pressure = 1 atm

Endothermic reaction

T₂ = temperature = 100°C

1 mol of water vapor

VL = volume of liquid water = 18.8 mL = 0.0188 L

VG = volume of water vapor = 30.62 L

3.25 moles of liquid water vaporizes

Q = heat added to the system = -40.7 kJ

Questions: a) Calculate the work done on or by the system, W = ?

b) Calculate the water's change in internal energy, ΔU = ?

Heat for 3.25 moles:

Q_{1} =3.25*(-40.7)=-132.275kJ

The work done:

W=-nP*delta(V)=-3.25*101.33*(0.0188-30.62)=10077.6637J=10.0777kJ

The change in internal energy:

delt(U)=W+Q_{1} =10.0777-132.275=-122.1973kJ

7 0
3 years ago
Which of the following is not true of alloys?
Scilla [17]
Option d: copper.

Because copper is an element, not a mixture.

7 0
3 years ago
What is released in the process of an atom moving from an excited level to a lower energy level?
luda_lava [24]
The correct answer is a Photon.

One photon is released for each event. Photons are elementary particles of all electromagnetic radiation, including light.
7 0
3 years ago
Other questions:
  • Which statement best describes the total number of carbon atoms during cellular respiration in the fish?
    14·1 answer
  • Sugar dissolves in water explain heterogeneous and homogeneous ​
    9·2 answers
  • What do these substances have in common? apple juice, helium gas, salt water and copper wire
    12·2 answers
  • Sooo i suck at science like a lot . even tho i have a 70....can someone help me pls?
    15·1 answer
  • 12. Penny can knit 4 rows of a sweater in 5
    5·1 answer
  • When you remove energy from air or land it makes the temperature
    12·1 answer
  • Were there any finches that could access more than one food source? If so, which ones?
    14·1 answer
  • Density measures
    15·2 answers
  • Which of these is a primary characteristic used to describe a clastic sedimentary rock?
    13·1 answer
  • How many moles of helium gas would it take to fill a balloon with a volume of 1000.0 cm 3when the temperature is 32 o C and the
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!