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antiseptic1488 [7]
2 years ago
6

A scientific experiment requires that the temperature be lowered at a steady and gradual rate. The beginning temperature is 34°

C and the temperature is lowered 2 degrees per day. What linear function in the form represents the temperature in degrees, t, after d days.
Chemistry
1 answer:
Finger [1]2 years ago
6 0

The linear equation formed can be given as                        

\rm F(t)=34-2t

Linear function is the relationship between the variable, with the graph being a straight line. The equation for a linear function is given as:

\rm F=mc+b

<h3>Linear function for temperature and time</h3>

The initial temperature of the experiment is given as 34 degree Celsius and is given by t.

The time after which temperature is measured is t.

The time for which the lowering observed is 2 degrees per day.

The linear equation formed can be given as:

\rm F(t)=34-2t

Learn more about linear equation, here:

brainly.com/question/11897796

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What is the pH of solution if the concentration of [H3O+] = 0.000558?
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If the energy of photon emitted from the hydrogen atom is 4.09 x 10-19 J, what is
Aliun [14]

Answer:

486 nm

Explanation:

From the question given above, the following data were obtained:

Energy (E) = 4.09×10¯¹⁹ J

Wavelength (λ) =?

Next, we shall determine the frequency of the photon. This can be obtained as follow:

Energy (E) = 4.09×10¯¹⁹ J

Planck's constant (h) = 6.63×10¯³⁴ Js

Frequency (f) =?

E = hf

4.09×10¯¹⁹ = 6.63×10¯³⁴ × f

Divide both side by 6.63×10¯³⁴

f = 4.09×10¯¹⁹ / 6.63×10¯³⁴

f = 6.17×10¹⁴ Hz

Next, we shall determine the wavelength of the photon. This can be obtained as follow:

Frequency (f) = 6.17×10¹⁴ Hz

Velocity of photon (v) = 3×10⁸ m/s

Wavelength (λ) =?

v = λf

3×10⁸ = λ × 6.17×10¹⁴

Divide both side by 6.17×10¹⁴

λ = 3×10⁸ / 6.17×10¹⁴

λ = 4.86×10¯⁷ m

Finally, we shall convert 4.86×10¯⁷ m to nm. This can be obtained as follow:

1 m = 1×10⁹ nm

Therefore,

4.86×10¯⁷ m = 4.86×10¯⁷ m × 1×10⁹ nm / 1 m

4.86×10¯⁷ m = 486 nm

Therefore, the wavelength of the photon is 486 nm

7 0
3 years ago
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