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3 years ago

10

Between which types of elements do ionic bonds occur, and how do electrons act within the bond

2 answers:

jeka943 years ago

8 0

Answer:

Ionic bonds form when a nonmetal and a metal exchange electrons, while covalent bonds form when electrons are shared between two nonmetals. An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions

yKpoI14uk [10]3 years ago

6 0

Ionic bonds form when a nonmetal and a metal exchange electrons, while covalent bonds form when electrons are shared between two nonmetals. An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions.

the real answer is

O metals and nonmetals, electrons transferrednonmetals and metals, electrons shared

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Neon gas in a container was heated from 20 degrees celsius to 120 degrees celsius.Its new volume is 150ml.what was the original

djverab [1.8K]

Answer:

110 mL

Explanation:

Ideal gas law:

PV = nRT

Assuming the container isn't rigid, and the pressure is constant, then:

V/T = V/T

Plug in values (remember to use absolute temperature).

V / 293 K = 150 mL / 393 K

V = 110 ml

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3 years ago

An electric circuit where electrons are free to flow

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Answer: Electron flow / Electric current

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An object accelerates at 32 m/s² when a force of 71 N is applied to it. What is the object’s mass? show your work

amid [387]

Answer:

Its answer is 2.21 kg.

Explanation:

F =m × a

71 = m × 32

71 ÷ 32 = m

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3 years ago

the earth's moon has a gravitational field strength of about 1.6 n/kg near its surface. the moon has a mass of 7.35x10^22 kg. wh

Andrew [12]

Answer:

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3 years ago

A car travels 13 km in a southeast direction and then 16 km 40 degrees north of east. What is the car's resultant direction?

murzikaleks [220]

Answer:

21.48 km 2.92° north of east

Explanation:

To find the resultant direction, we need to calculate a sum of vectors.

The first vector has module = 13 and angle = 315° (south = 270° and east = 360°, so southeast = (360+270)/2 = 315°)

The second vector has module 16 and angle = 40°

Now we need to decompose both vectors in their horizontal and vertical component:

horizontal component of first vector: 13 * cos(315) = 9.1924

vertical component of first vector: 13 * sin(315) = -9.1924

horizontal component of second vector: 16 * cos(40) = 12.2567

vertical component of second vector: 16 * sin(40) = 10.2846

Now we need to sum the horizontal components and the vertical components:

horizontal component of resultant vector: 9.1924 + 12.2567 = 21.4491

vertical component of resultant vector: -9.1924 + 10.2846 = 1.0922

Going back to the polar form, we have:

$module = \sqrt{horizontal^2 + vertical^2}$

$module = \sqrt{460.0639 + 1.1929}$

$module = 21.4769$

$angle = arc\ tangent(vertical/horizontal)$

$angle = arc\ tangent(1.0922/21.4491)$

$angle = 2.915\°$

So the resultant direction is 21.48 km 2.92° north of east.

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3 years ago