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Transformando a temperatura de [tex]$25^{\circ} C$[/tex] para a escala Fahrenheit e, em seguida, convertendo-a para a escala Kelvin, quais as temperaturas registradas nas respectivas escalas?

a) [tex]$25^{\circ} C : 50^{\circ} F$[/tex] e 150 K

b) [tex]$25^{\circ} C : 88^{\circ} F$[/tex] e 136 K

c) [tex]$25^{\circ} C : 78^{\circ} F$[/tex] e 298 K

d) [tex]$25^{\circ} C : 36^{\circ} F$[/tex] e 194 K

e) [tex]$25^{\circ} C : 77^{\circ} F$[/tex] e 298 K

Answer :

Sure, let's solve this step-by-step.

### Step 1: Convert from Celsius to Fahrenheit
We want to convert [tex]\( 25^\circ \text{C} \)[/tex] to Fahrenheit. The formula to convert from Celsius to Fahrenheit is:
[tex]\[ F = \left(\frac{9}{5} \times C\right) + 32 \][/tex]
where [tex]\( F \)[/tex] is the temperature in Fahrenheit and [tex]\( C \)[/tex] is the temperature in Celsius.

Plugging in [tex]\( 25^\circ \text{C} \)[/tex]:
[tex]\[ F = \left(\frac{9}{5} \times 25\right) + 32 \][/tex]
[tex]\[ F = (45) + 32 \][/tex]
[tex]\[ F = 77^\circ \text{F} \][/tex]

### Step 2: Convert from Celsius to Kelvin
Next, we convert [tex]\( 25^\circ \text{C} \)[/tex] to Kelvin. The formula to convert from Celsius to Kelvin is:
[tex]\[ K = C + 273.15 \][/tex]
where [tex]\( K \)[/tex] is the temperature in Kelvin.

Plugging in [tex]\( 25^\circ \text{C} \)[/tex]:
[tex]\[ K = 25 + 273.15 \][/tex]
[tex]\[ K = 298.15 \text{ K} \][/tex]

### Conclusion
So, the temperatures in the respective scales are:
- [tex]\( 25^\circ \text{C} \)[/tex] is [tex]\( 77^\circ \text{F} \)[/tex] in Fahrenheit and [tex]\( 298.15 \text{ K} \)[/tex] in Kelvin.

From the given options:
- (e) [tex]\( 25^{\circ} C : 77^{\circ} F \)[/tex] and [tex]\( 298 \text{ K} \)[/tex] is the correct match.

Thus, the correct answer is:
[tex]\[ \boxed{e} \][/tex]

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