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
vitfil [10]
3 years ago
11

Convert 550 Hm to mm

Chemistry
1 answer:
muminat3 years ago
6 0

Answer:

55,000,000

Explanation:

550 hectometers [hm] = 55,000,000 millimeters [mm]

You might be interested in
Calculate the number of carbon atoms in 25.0 grams of isopropyl alcohol (c3h8o)
allochka39001 [22]
First, let's determine the number of moles of carbon atoms by using molar mass. Then, using Avogadro's number, we can find the number of C atoms:
*1 mole of C3H8O= (12.0x3)+(1.0x8)+(16.0x1) = 60.0g/mol

25.0 grams C3H8O x (1 mole C3H8O/60.0 grams) = 0.417 mol

0.417mol C3H8O has (3 x 0.417 moles) C atoms = 1.251 moles C atoms

1.251 moles C atoms x(6.022x10^23 atoms/mol) = 9.42x10^23 C atoms.

The answer is in 3 significant figures, as that's what we have in the given, and we matched it with our rounding of the atomic masses from the periodic table.
You can do this all in one equation written left to right, just exclude the intermediate answers. Just easier to show it this way on the computer screen.



7 0
4 years ago
Read 2 more answers
A sample of a compound is found to consist of 0.44g H and 6.92g O what’s its formula
Lynna [10]

Answer:

Explanation:

H = 0.44/1.01 = 0.4356

O = 6.92/16 = 0.4319

This gives a 1:1 ratio. So the closest thing you could say is the formula is 0H

Going to your chemical storage room, you could justify that it is H2O2 or hydrogen peroxide. The question needs one more fact to make the answer certainty.

3 0
3 years ago
Convert 2.4 kg into cg.
DerKrebs [107]
Your answer is 240000

3 0
4 years ago
28
ehidna [41]

Answer

B salt this is beacause salt is made of monomers

6 0
3 years ago
A gas with a volume of 8 L at a temperature of 473K is switched to a new container with a temperature of 350K. If the pressure r
Digiron [165]

Answer:

The new  volume is 5.92 L,  which is approximately 6 L

Explanation:

As the gas temperature increases, the molecules move faster and take less time to reach the walls of the container. This means that the number of crashes per unit of time will be greater. That is, there will be an increase (for an instant) in the pressure inside the container and the volume will increase.

So Charles's Law is one of the gas laws that relates the volume and temperature of a certain amount of gas at constant pressure and says that:

  • If the temperature increases the volume increases
  • If the temperature decreases the volume decreases

Mathematically this is expressed by:

\frac{V}{T}=k

When you want to study two different states, an initial and a final one of a gas, this law is expressed by:

\frac{V1}{T1} =\frac{V2}{T2}

In this case:

  • V1: 8 L
  • T1: 473 K
  • V2: ?
  • T2: 350 K

Replacing:

\frac{8 L}{473K} =\frac{V2}{350K}

Solving:

V2=350K*\frac{8L}{473K}

V2=5.92 L

<u><em>The new  volume is 5.92 L,  which is approximately 6 L</em></u>

5 0
3 years ago
Other questions:
  • 4al + 3o2 → 2al2o3 indicate how many electrons are transferred in the formation of one formula unit of product.
    5·1 answer
  • What is the rise and fall of ocean water are called
    10·2 answers
  • Which electrons are responsible for most chemical bonding? outer electron shell because these electrons can be readily exchanged
    11·1 answer
  • Butter is melted in a pan. Which of the following is true about the change?
    7·2 answers
  • 1 qt equal to how much ML
    8·1 answer
  • The volume of any gas is dependent on what three variables? *
    10·1 answer
  • 3. Suppose you wanted to design an experiment to test the composition of a mixture that includes sodium phenoxide (NaC6H5O). You
    8·1 answer
  • Which kingdom does spiny lobster, and diatom belong to?
    7·1 answer
  • Why does nonmetallic elements pull elements from metallic elements so effectively during a reaction?
    13·1 answer
  • Please help me with this question
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!