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tamaranim1 [39]
3 years ago
9

Which type of reaction does this diagram represent?

Chemistry
2 answers:
Mice21 [21]3 years ago
8 0
I want to say addition. But I have a tendency to be wrong

tensa zangetsu [6.8K]3 years ago
7 0

Answer: addition

Explanation: Addition: A reaction is one in which a molecule adds to another molecule to form a single product.

Condensation: A reaction in which molecules combine to form products along with the formation of a small molecule called as byproduct.

Elimination: A reaction in which small molecules are eliminated when a certain substance is made to react.

Substitution: A reaction in which one substance replaces another substance.

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Help asap. picture below.
Rashid [163]

Answer:

C. If a solar cell breaks, it releases chemicals and can harm humans.

Explanation:

Hope this helped! :)

3 0
2 years ago
Can someone who expert in chemistry be my personal tutor? I'm so desperate​
lions [1.4K]
Yes..? I don’t understand what you’re trying to ask mate.
5 0
3 years ago
A small portion of a crystal lattice is sketched below. What is the name of the unit cell of this lattice? Your answer must be a
Nikolay [14]

This is an incomplete question, the given sketch is shown below.

Answer : The name of given unit cell is, FCC (face-centered cubic unit cell)

Explanation :

Unit cell : It is defined as the smallest 3-dimensional portion of a complete space lattice which when repeated over the and again in different directions produces the complete space lattice.

There are three types of unit cell.

  • SCC (simple-centered cubic unit cell)
  • BCC (body-centered cubic unit cell)
  • FCC (face-centered cubic unit cell)

In SCC, the atoms are arranged at the corners.

Z=\frac{1}{8}\times 8=1

The number of atoms of unit cell = Z = 1

In BCC, the atoms are arranged at the corners and the body center.

Z=\frac{1}{8}\times 8+1=2

The number of atoms of unit cell = Z = 2

The given unit cell is, FCC because the atoms are arranged at the corners and the center of the 6 faces.

Z=\frac{1}{8}\times 8+\frac{1}{2}\times 6=4

The number of atoms of unit cell = Z = 4

Thus, the name of given unit cell is, FCC (face-centered cubic unit cell)

7 0
3 years ago
Why do commercial airliners encounter very little turbulence above 25,000 feet?
Nesterboy [21]

Answer:

Water vapor has mostly disappeared at colder elevations and its effect on weather turbulence.

Explanation:

3 0
2 years ago
A 10.000g ice cube is added to 100.000g of water at 80.0 oC in a calorimeter. The final temperature of the water in the calorime
Ket [755]

<u>Answer:</u> The amount of heat needed to melt the ice cube is 6.083 kJ

<u>Explanation:</u>

The processes involved in the given problem are:

1.)H_2O(s)(0^oC,273K)\rightarrow H_2O(l)(0^oC,273K)\\2.)H_2O(l)(0^oC,273K)\rightarrow H_2O(l)(65.5^oC,338.5K)

  • <u>For process 1:</u>

To calculate the amount of heat required to melt the ice at its melting point, we use the equation:

q_1=m\times \Delta H_{fusion}

where,

q_1 = amount of heat absorbed = ?

m = mass of ice = 10.000 g

\Delta H_{fusion} = enthalpy change for fusion = 334.16 J/g

Putting all the values in above equation, we get:

q_1=10.000g\times 334.16J/g=3341.6J

  • <u>For process 2:</u>

To calculate the heat required at different temperature, we use the equation:

q_2=mc\Delta T

where,

q_2 = heat absorbed

m = mass of ice = 10.000 g

c = specific heat capacity of water = 4.184 J/g.°C

\Delta T = change in temperature = T_2-T_1=[65.0-0]^oC=65.5^oC

Putting values in above equation, we get:

q_2=10.000g\times 4.184J/g.^oC\times 65.5^oC\\\\q_2=2741.83J

Total heat absorbed = q_1+q_2

Total heat absorbed = [3341.6+2741.83]J=6083.43J=6.083kJ

Hence, the amount of heat needed to melt the ice cube is 6.083 kJ

4 0
3 years ago
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