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
Ratling [72]
3 years ago
10

Convert 135 Meters to kilometers

Chemistry
1 answer:
tamaranim1 [39]3 years ago
7 0

Answer:

0.135 km

Explanation:

1 km = 1000 meters

You might be interested in
i’m currently focusing on my algebra so i need a little help on a science study guide, i can’t post multiple pictures on the pag
riadik2000 [5.3K]

which question do you need help on

8 0
3 years ago
Which best describes an element?
Aleonysh [2.5K]

I think the answer is a pure substance

6 0
3 years ago
The enthalpy of vaporization of Bromine is 15.4 kJ/mol. What is the energy change when 80.2 g of Br2 condenses to a liquid at 59
Aleksandr-060686 [28]

The enthalpy of vaporization of Bromine is 15.4 kJ/mol. -7.7 kJ is the energy change when 80.2 g of Br₂ condenses to a liquid at 59.5°C.

<h3>What is Enthalpy of Vaporization ?</h3>

The amount of enthalpy or energy that must be added to a liquid substance into gas substance is called Enthalpy of Vaporization. It is also known as Latent heat of vaporization.

<h3>How to find the energy change from enthalpy of vaporization ?</h3>

To calculate the energy use this expression:

Q = n \Delta H_{\text{vapo.}

where,

Q = Energy change

n = number of moles

\Delta H_{\text{Vapo.}} = Molar enthalpy of vaporization

Now find the number of moles

Number of moles (n) = \frac{\text{Given Mass}}{\text{Molar mass}}

                                   = \frac{80.2\ g }{159.8\ g/mol}

                                   = 0.5 mol

Now put the values in above formula we get

Q = - n \Delta H_{\text{vapo.}         [Negative sign is used because Br₂ condensed here]

   = - (0.5 mol × 15.4 kJ/mol)

   = - 7.7 kJ

Thus from the above conclusion we can say that The enthalpy of vaporization of Bromine is 15.4 kJ/mol. -7.7 kJ is the energy change when 80.2 g of Br₂ condenses to a liquid at 59.5°C.

Learn more about the Enthalpy of Vaporization here: brainly.com/question/13776849

#SPJ1

8 0
1 year ago
What type of mountain are the andes mountains
Julli [10]
T<span>he </span>Andes<span> range has many active volcanoes, which are distributed in four volcanic zones separated by areas of inactivity. The </span>Andean<span> volcanism is a result of subduction of the Nazca Plate and Antarctic Plate underneath the South American Plate.</span>
5 0
3 years ago
What is the missing value​
Korvikt [17]

Answer:

72

Explanation:

The pattern here may be hard to find at first, but it's this: the number in the middle of the triangle = (number at lower left corner of triangle x number at upper vertex of triangle) + (number at upper vertex of triangle x number at lower right corner of triangle).

Thus, for the missing value...

Missing value = (3x8) + (8x6) = 24+48 = 72.

Could you tell me what concept in chemistry relates to this? I'm interested.

Also check out stylesben's answer. Seems like there's several ways of doing this.

7 0
3 years ago
Read 2 more answers
Other questions:
  • How many atoms are there in 5.699 g of cobalt, Co? Express your answer with the appropriate significant figures and unit.
    12·1 answer
  • Substance in mixtures do not change chemically. True or false
    10·1 answer
  • A soluble iodide was dissolved in water. Then an excess of silver nitrate, AgNO3, was added to precipitate all of the io- dide i
    14·1 answer
  • What is the term for the material being dissolved in a solution?
    14·2 answers
  • Practically: Add 1.66 ml of my 0.3M lemonade to a 15 ml microcentrifuge tube. Add 3.33 ml of your diluent (water, in this case)
    10·1 answer
  • Help me, I’m bad a science.
    11·1 answer
  • TRUST PLZ HELP MATCH THE BOXES
    11·1 answer
  • Determine el número de muléculas y átomos contenidos en 64g de O2
    10·1 answer
  • CO2 and H2O are examples of chemical?
    5·1 answer
  • What were schools like the first half of Henry's life? How do you think this affect his education? Answer BOTH questions in comp
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!