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4 years ago

How is electronegativity related to the position of elements on the periodic table and covalent bonding?

Physics

1 answer:

andrezito [222]4 years ago

6 0

Electrons in a polar covalent bond are shifted toward the more electronegative atom

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A gas cylinder contains argon atoms (m=40.0 u). The temperature is increased from 286 K (13°C) to 362 K (89°C) (a) What is the c

Rama09 [41]

Answer:

(a). The change in the average kinetic energy per atom is $1.57\times10^{-21}\ eV$ .

(b). The change in vertical position is 2413 m.

Explanation:

Given that,

Mass = 40.0 u

The increased temperature from 286 K to 362 K.

(a). We need to calculate the change in the average kinetic energy per atom

Using formula of kinetic energy

$\Delta K.E=\dfrac{3}{2}k\Delta t$

Put the value into the formula

$\Delta K.E=\dfrac{3}{2}\times1.38\times10^{-23}\times(362-286)$

$\Delta K.E=1.57\times10^{-21}\ eV$

(b). The change in potential energy of the container due to change in the vertical position

We need to calculate the change in vertical position

Using formula of potential energy

$\Delta U=mg\Delta h$

$\Delta h =\dfrac{\Delta U}{mg}$

$\Delta h=\dfrac{1.57\times10^{-21}}{40.0\times1.66\times10^{-27}\times9.8}$

$\Delta h=2412.7=2413\ m$

Hence, (a). The change in the average kinetic energy per atom is $1.57\times10^{-21}\ eV$ .

(b). The change in vertical position is 2413 m.

4 0

4 years ago

Which of the following factors influence the electrical resistance of a circuit?

stealth61 [152]

-- material and thickness of the interconnecting wires;

-- number, type, and configuration of all the devices
between the in- and out-terminals of the circuit ...
the points that connect to the battery;

-- quality of the connections at the points where
circuit devices connect to wires or to each other.

5 0

3 years ago

This question kind of complicated for me

djyliett [7]

I'm pretty sure it's frying an egg because you can't un-fry the egg

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3 years ago

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When the point of reference (the observer) is in motion, it flips the "rules" of vector addition (you ADD the vectors going in o

earnstyle [38]

Answer:

True