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artcher [175]
3 years ago
10

Which best describes what is occurring when a door is almost closed and rays of light fan out from the small opening? absorption

interference refraction diffraction
Chemistry
2 answers:
abruzzese [7]3 years ago
7 0

Answer:

The correct answer is Option D (diffraction).

Explanation:

  • Diffraction has been known as a mechanism through which light rays divide across clusters of darkness and light rather than into the colors of the rainbow.
  • That is the twisting of such an obstacle across the sun. In this case, the challenge has been the door from which the illumination moves and bends.

Other alternatives are not relevant to the specified case. So, the alternative above would be appropriate.

galina1969 [7]3 years ago
5 0

Answer: D

Diffraction

Explanation:

E D G E 2 0 2 0

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And the answer is C.
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If the temperature of the helium balloon were increased from 30°C to 35°C and the volume of the balloon only expanded from 0.47L
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Explanation:

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3 years ago
At 298 K the standard enthalpy of combustion of sucrose is -5645 kJ/mol and the standard reaction Gibbs energy is -5798 kJ/mol.
natka813 [3]

Explanation:

The given data is as follows.

             T = 298 K,          \Delta H^{o} = -5645 kJ/mol

          \Delta G^{o} = -5798 kJ/mol

Relation between \Delta H and \Delta G are as follows.

          \Delta G^{o} = \Delta H^{o} - T \Delta S^{o}    

             -5798 kJ/mol = -5645 kJ/mol - 298 \times \Delta S^{o}

                       -153 kJ/mol = -298 \times \Delta S^{o}

                    \Delta S^{o} = 0.513 kJ/mol K

Now, temperature is 37^{o}C = (37 + 273) K = 310 K

Since,        \Delta G = \Delta H^{o} - T \Delta S^{o}

                            = -5645 kJ/mol - 310 K \times 0.513 kJ/mol K

                            = (-5645 kJ/mol - 159.03 kJ/mol)

                            = -5804.03 kJ/mol

As, change in Gibb's free energy = maximum non-expansion work

            \Delta G = \Delta G_{310 K} - \Delta G_{298 K}

                           = -5804.03 kJ/mol - (-5798 kJ/mol)

                           = -6.03 kJ/mol

Therefore, we can conclude that the additional non-expansion work is -6.03 kJ/mol.

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3 years ago
The reaction gives off heat energy, so it is an __________ reaction
Alex_Xolod [135]
Since the reaction gives off heat energy it is considered to be an exothermic reaction
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3 years ago
What type of mountain is created when rock layers are pushed up by forces inside the Earth?
dedylja [7]
B  i think hope this helps! I had this on a test not to long ago and did b and it worked!
6 0
4 years ago
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