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
Anestetic [448]
3 years ago
6

In a _______ reaction, the compound breaks down; in a _______ reaction, a single compound is assembled from two or more substanc

es.
A. synthesis; decomposition
B. single-displacement; synthesis
C. decomposition; synthesis
D. decomposition; single-displacement
Chemistry
2 answers:
Alexxx [7]3 years ago
7 0
It's letter C. When ever you read "breaks down" always think decomposition. When you read that compound get together to form "a single" compound, think synthesis.
777dan777 [17]3 years ago
5 0
The correct answer that would best complete the given statement above would be option C. Here is the complete statement. In a decomposition reaction, the compound breaks down; in a synthesis, <span> reaction, a single compound is assembled from two or more substances. Hope this answer helps.
</span>
You might be interested in
State the Constituents of the following alloys:magnalium and bronze​
____ [38]
Magnalium: Magnesium and Aluminum

Bronze: Copper, Tin, Arsenic, Phosphorus, Aluminum, Manganese and Silicon (whichever you learned in class from those)
8 0
2 years ago
Which element is oxidized in the reaction below? fe(co)5 (l) + 2hi (g) fe(co)4i2 (s) + co (g) + h2 (g)?
DanielleElmas [232]
Oxidation state of I is (-1) and for CO it is zero. Let's assume that the oxidation state of Fe in Fe(CO)₄I₂<span> (s) is x. For whole compound, the charge is zero.

Sum of oxidation numbers in all elements = Charge of the compound.

Here we have 1Fe , 4CO and 2I
hence we can find the oxidation state as;
 x + 4*0 + 2*(-1) = 0
 x + 0 - 2            = 0
                   x     = +2
Hence the oxidation state of Fe in product </span>Fe(CO)₄I₂ (s) is +2.

Same as we can find the oxidation state (y) of Fe in Fe(CO)₅(s).
y + 5*0 = 0
   y        = 0

Since oxidation state of Fe increased from 0 to +2, the oxidized element is Fe in the given reaction.
5 0
2 years ago
The alveoli are surrounded by __________ carrying blood to and from the heart.
natka813 [3]
The alveoli are surrounded<span> by tiny blood vessels, called capillaries. The </span>alveoli<span> and capillaries both have very thin walls, which allow the oxygen to pass from the </span>alveoli<span>to the blood. The capillaries then connect to larger blood vessels, called veins, which bring the oxygenated blood from the lungs to the heart.</span>
4 0
2 years ago
Inbox
jeka57 [31]

Answer:

8 oxygen. 9 flourine. 10. Neon. 5 Boron

3 0
3 years ago
Write one paragraph to explain what circuler motion is?
ZanzabumX [31]

Answer:

When a body moves in a circle with constant speed , it is said to be in uniform circular motion .

Explanation:

  • When an object moves in a circular path , its direction changes at each point .
  • This change in direction result in change of velocity (velocity is vector quantity which changes if direction of the object change) .However speed do not change (it is scalar quantity , not affected by Direction)
  • The Change in velocity produce acceleration ( a = v - u)
  • Hence The object always produce acceleration in uniform circular motion .So, Some force (centripetal force) is needed to keep the object in circular motion.
4 0
3 years ago
Other questions:
  • How does a atom form a new substance?
    10·2 answers
  • HELPPPP ITS DUE TODAY
    5·1 answer
  • Helen adjusts the armature of an electric generator by increasing the number of coils around the iron core. what is helen most l
    15·2 answers
  • What is the period of below average temperatures called
    7·1 answer
  • Fifteen points! Nothing like chemistry quizzes in the morning... &gt;o&lt;
    12·1 answer
  • Bleaching powder reaction, mechanism, use
    5·1 answer
  • 2. During asexual reproduction in paramecia, a single paramecium becomes two new
    10·1 answer
  • Can someone help me??
    12·2 answers
  • Which characteristic of water helps it form strong bonds with other water molecules?
    8·2 answers
  • A vacuum gage connected to a chamber reads 35 kpa at a location where the atmospheric pressure is 92 kpa. determine the absolute
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!