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
3241004551 [841]
3 years ago
13

Which unit can be used to express the rate of a reaction?

Chemistry
2 answers:
saul85 [17]3 years ago
4 0
The correct answer for this question is the first one ML/s
-BARSIC- [3]3 years ago
4 0
ML/S would be the answer, A for PLATO.

You might be interested in
C (graphite) is used as a lubricant, whereas C (diamond) is used as an abrasive. Why is this?
zysi [14]

Answer:

Carbon atoms in graphite and diamond are arranged in different ways. Hence, the two allotropes of carbon have different physical properties.

Explanation:

Both graphite and diamond are both made of only carbon atoms. However, their physical properties differ from each other. Hence, they are called allotropes. Think about how these carbon atoms are arranged in each of the allotropes.

<h3>Graphite</h3>

In graphite, each carbon atom is bonded to three other carbon atoms. These carbon atoms will be located in the same plane. A chunk of graphite can contain many of these planes.

Each carbon atom has four valence electrons. Three of these electrons will be used in the bonds. The other electron will be delocalized. These electrons would flow between the sheets of carbon atoms. That keeps the sheets separate and allow them to slide on top of each other.

<h3>Diamond</h3>

In diamond, each carbon atom is bonded to four other carbon atoms. These carbon atoms will form a tetrahedral network.  

In graphite, there's a significant separation between two adjacent sheets of carbon atoms. The force between the two sheets is rather weak. When a piece of graphite is between two objects that move over one another, the layers in the graphite would also slide over one another. Since the attraction between two adjacent sheets isn't very strong, there wouldn't be much resistance. Hence the graphite acts as a lubricant.  

In contrast, most of the carbon atoms in a piece of diamond would be connected to each other. Unlike the sheets in graphite, in a diamond there are almost no moving parts. Also, the forces between neighboring carbon atoms are very strong. When an external force acts on a chunk of diamond, the carbon atoms would barely move. Hence, the structure appears to be very rigid. That gives diamond its abrasive properties.

4 0
3 years ago
Convert 55.6 km to m <br> show equation
crimeas [40]

Explanation:

1 km = 1000m

55.6 km = x m

x = 55.6*1000

x = 55600m

5 0
3 years ago
Read 2 more answers
_______ collect the light from distant stars and separate that light into bands of different colors. This allows astronomers ide
olga2289 [7]
The answer to your question is A.
6 0
1 year ago
Read 2 more answers
How many atoms of silver are present in one mole of silver
Whitepunk [10]

Answer:

The number of particles in 1 mole is called Avogadro's Number (6.0221421 x 1023). Calculate the number of atoms in 2.45 mol of copper. A silver ring contains 1.1 x 1022 silver atoms.

Explanation:

hope this helps

3 0
2 years ago
If you wanted to completely react 150 grams of FeBry, how many moles of sulfuric acid (H,SO) will you need to use?​
Vedmedyk [2.9K]

Answer:

Sulfuric acid, spent appears as a black oily liquid. Corrosive to metals and tissue. Density 15 lb /gal.

Explanation:

5 0
3 years ago
Other questions:
  • Which is a chemical property of soda ash?
    11·1 answer
  • Need help !!!!! ASAP
    9·1 answer
  • A rigid cylinder of gas shows a pressure of 600 torr at 215 K. It is moved to a new storage site where the pressure is now 750 t
    6·1 answer
  • What is 80 minus 20%​
    13·2 answers
  • Convertible bonds are examples of: a. Securities that have characteristics of both debt and equity b. Non-recurring items c. Ass
    15·1 answer
  • What did rutherford discover that thomson did not understand?
    9·1 answer
  • Select the missing words to complete the definition of buffer capacity. Buffer capacity is the _____________ of acid or base a b
    13·1 answer
  • Negative ions have ______ (More or Less) protons than electrons.
    8·2 answers
  • Which of the atoms below are least likely to violate the octet rule?
    10·1 answer
  • Which statments are true about balancing chemical reactions?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!