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2 years ago

9

Sublimation is a change from a

2 answers:

strojnjashka [21]2 years ago

7 0

The answer is C. !!

Sublimation is the transition of a substance directly from a solid state to a gas state !

Ludmilka [50]2 years ago

6 0

Sublimation is the transition of a substance directly from the solid state to the gas state; therefore:

c. solid to a gas

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Because acceleration is constant, the acceleration of the car at any time is the same as its average acceleration over the duration. So

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${v_f}^2-{v_0}^2=2a\Delta x$

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3 years ago

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3 years ago

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The current supplied by a battery as a function of time is I(t) = (0.88 A) e^(-t*6 hr). What is the total number of electrons tr

Degger [83]

Answer:

e. 1.2 x 10²³

Explanation:

According to the problem, The current equation is given by:

$I(t)=0.88e^{-t/6\times3600s}$

Here time is in seconds.

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The relation between current and number of charge carriers is:

$q=\int\limits {I} \, dt$

Here the limits of integration is from 0 to infinite. So,

$q=\int\limits {0.88e^{-t/6\times3600s}}\, dt$

$q=0.88\times(-6\times3600)(0-1)$

q = 1.90 x 10⁴ C

Consider N be the total number of charge carriers. So,

q = N e

Here e is electronic charge and its value is 1.69 x 10⁻¹⁹ C.

N = q/e

Substitute the suitable values in the above equation.

$N= \frac{1.9\times10^{4} }{1.69\times10^{-19}}$

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2 years ago