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Elena L [17]
2 years ago
6

What is the difference between a neutralization reaction and a double-displacement reaction?

Physics
2 answers:
Vlad1618 [11]2 years ago
6 0
Neutralization usually involves an acid producing a salt. A double displacement reaction usually produces a precipitate in which the more reactive metal displaces the less reactive one.
Mariana [72]2 years ago
3 0
<span> Neutralization reactions always produce water and a salt.</span>
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What is dark energy?
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Dark energy is a theoretical repulsive energy that causes the acceleration to the expansion of the universe. Among the choices, the nearest answer would be D. Dark energy can also be defined as a new form of energy, that is a dynamic field that fills up space but has an effect opposite to that of normal energy.
4 0
3 years ago
In this lab, you observed how different factors such as velocity, gradient, and ____ , or amount of water in a stream, affect th
egoroff_w [7]

Answer:

volume and erosion

Explanation:

7 0
2 years ago
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2. How have human activities and natural processes influenced the gradual or sudden change in global temperature? (You need a mi
mote1985 [20]

Answer:

Human activities and natural processes have influenced the change in the global temperature by the following processes

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Explanation:

7 0
3 years ago
A 4kg rock isn’t rolling 10m/s. Find it’s kinetic energy.
scoundrel [369]

Kinetic energy = (1/2) (mass) (speed)²

The rock's kinetic energy is not 

                           (1/2) (4 kg) (10 m/s)²

                      =   (1/2) (4 kg) (100 m²/s²)

                      =         200 Joules .

It may be more, or it may be less.  The only thing
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3 0
3 years ago
A lead nucleus is spherical with a radius of about 7 ✕ 10⁻¹⁵ m. The nucleus contains 82 protons (and typically 126 neutrons). Be
Komok [63]

Answer:

∈=3.1584x10^{26} \frac{V}{m}

Explanation:

Using the Gauss Law to determine the electric field of the net flux at the surface of the nucleus

∈=\frac{P}{E_{o}}

The P is the charge density and 'Eo' is the constant of permittivity in free space

to find P

P=\frac{q}{V}

V=\frac{4}{3}*\pi*r^3

V=\frac{4}{3}\pi*(7x10^{-15})^3

V=2.932x10^{-14} m^3

P=\frac{82C}{2.932x10^{-14}m^3}=2.7965x10^{15} \frac{C}{m^3}

So replacing

∈=\frac{2.7965x10^{15}\frac{C}{m^3}}{8.8542x10^{-12}\frac{C^2}{N*m^2}}

∈=3.1584x10^{26} \frac{V}{m}

3 0
3 years ago
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