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3 years ago

How do you waste time during this event?

SAT

2 answers:

Iteru [2.4K]3 years ago

4 0

Answer:

Explanation:

uhhhhhhhhhhhhhhhhhhhhhhhhhhhhh idk

Talja [164]3 years ago

4 0

I just draw and watch Netflix tbh

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considering periodic trends, valence electrons in which of the following atoms experience the greatest effective nuclear charge

Anni [7]

The effective nuclear charge is the difference between the atomic number an element and the shielding constant. Hence, the atom which experiences the greatest nuclear charge is Sulphur, S.

Calculating the greatest effective nuclear charge, :

$Z_{eff} = Z - S$

Z = Atomic number ; S = shielding constant

For Magnesium, Mg:

Z = 12

S = 10

$Z_{eff} = 12 - 10 = 2$

For Aluminium, Al:

Z = 13

S = 10

$Z_{eff} = 12 - 10 = 3$

For Sulphur, , S:

Z = 16

S = 10

$Z_{eff} = 16 - 10 = 6$

Therefore, the atom whuch experience the greatest $Z_{eff}$ is Sulphur.

Learn more :brainly.com/question/24978746

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2 years ago

A thumbnail sketch has proportional width and height. A. True B. False

hammer [34]

Answer:

Explanation:

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2 years ago

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kodGreya [7K]

They provide food for us animal fur helps keep us warm and cats and dogs keep us company

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3 years ago

If you can't provide proof of insurance to the FLHSMV, your driver license and license plate can be suspended for up to _____.

MariettaO [177]

For a third and subsequent offenses of driving without auto insurance coverage in the state of Florida, you will have your license and registration suspended for up to three years, and will pay a $500 reinstatement fee if the lapse occurred within three years of your last offense.

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Newton’s law of cooling states that for a cooling substance with initial temperature t0, the temperature t(t) after t minutes ca

antoniya [11.8K]

The cooling rate of the substance is approximately 0.0732.

According to the statement, the Newton's law of cooling is defined by the following formula:

$T(t) = T_{s} + (T_{o}-T_{s})\cdot e^{-k\cdot t}$ (1)

Where:

$T_{s}$ - Final temperature, in degrees Celsius.
$T_{o}$ - Initial temperature, in degrees Celsius.
$t$ - Time, in minutes.
$k$ - Cooling rate, in $\frac{1}{min}$ .
$T(t)$ - Current temperature, in degrees Celsius.

Please notice that substance reaches thermal equilibrium when $T(t) = T_{s}$ , that is when temperature of the substance is equal to the temperature of surrounding air.

If we know that $T_{o} = 80\,^{\circ}C$ , $t = 15\,min$ , $T_{s} = 50\,^{\circ}C$ and $T(15) = 60\,^{\circ}C$ , then the cooling rate of the substance is: