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skelet666
4 months ago
9

The idea that an emotion-arousing stimulus is simultaneously routed to the cortex and to the sympathetic nervous system is centr

al to the
Chemistry
2 answers:
eduard [2.7K]4 months ago
7 0

Answer;

Cannon-Bard theory

Explanation;

  • The Cannon-Bard theory centers on the concept that an emotion-triggering stimulus is sent simultaneously to both the cortex and the sympathetic nervous system.
  • According to this theory, emotional feelings and physical responses like sweating, trembling, and muscle tightness occur at the same moment.
  • It suggests that emotional experience and bodily arousal happen concurrently, emphasizing cognitive processes and external behaviors more than the James-Lange theory does.
lions [2.9K]4 months ago
0 0

That sensation you experience when you spot a snake.

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What volume of 0.550 M KBr solution can you make from 100.0 mL of 2.50 M KBr?
castortr0y [3046]
M1V1 = M2V2
(2.50)(100.0) = (0.550)V2
V2 = 455mL

From 100.0 mL of 2.50 M KBr, you can prepare 455 mL of 0.550 M solution.
5 0
4 months ago
Read 2 more answers
The final overall chemical equation is Upper Ca upper O (s) plus upper C upper O subscript 2 (g) right arrow upper C a upper C u
lions [2927]

Answer:

The enthalpy of the second intermediate equation is altered by halving its value and changing the sign.

Explanation:

Let's examine both the first and second intermediate reactions alongside the overall equation concerning the examined process;

First reaction;

Ca (s) + CO₂ (g) + ½O₂ (g) → CaCO₃ (s) ΔH₁ = -812.8 kJ

Second reaction;

2Ca (s) + O₂ (g) → 2CaO (s) ΔH₂ = -1269 kJ

Thus, the overall reaction becomes;

CaO (s) + CO₂ (g) → CaCO₃ (s) ΔH =?

According to Hess's law, which states that the total heat change in a reaction is equal to the sum of the heat changes for each step, we cannot simply sum the enthalpies for this overall reaction. Instead, we obtain the overall enthalpy by halving the second intermediate reaction's enthalpy and changing its sign before adding, as illustrated below;

Enthalpy of Intermediate reaction 1 + ½(-Enthalpy of Intermediate reaction 2) = Enthalpy of Overall reaction

7 0
3 months ago
In KCI how are the valence electrons distributed
eduard [2782]

Answer:

Explanation:

In KCl, the two elements that combine to create KCl are potassium (K) and chlorine (Cl).

Potassium, as a Group 1 element, possesses one valence electron in its outermost shell which it readily donates during bonding. Every element aims to achieve a stable electron configuration, typically with 2 or 8 electrons in its outer shell. Potassium is characterized by its lower electronegativity and higher ionization energy, making it more likely to donate its electron than to accept one. On the other hand, chlorine belongs to Group 17 and has 7 electrons in its outer shell, requiring just one additional electron to complete its octet. Chlorine’s higher electronegativity and lower ionization energy facilitate its tendency to accept an electron rather than donate it.

The bond between potassium and chlorine that results in KCl is termed an electrovalent bond.

Reaction equation:

K + Cl → KCl

3 0
3 months ago
Two samples of matter differ in temperature by 20°C. What is the difference in temperature of these two samples using the Kelvin
Tems11 [2777]

Answer:

The temperature difference is 293.15 Kelvin.

Explanation:

The provided information:

The temperature difference between the two matters is 20°C

We need to determine this difference in Kelvin =?

To solve this;

Using the formula:

0°C +273.15

Now substituting the values in place of 0.

20°C + 273.15 = 293.15 K

Hence, the temperature differential between the two samples is 293.15 K.

5 0
3 months ago
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