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3 years ago

When dissolved in water, a strong acid

Physics

1 answer:

Leviafan [203]3 years ago

7 0

Answer:

A strong acid IONIZES COMPLETELY when dissolved in water.

Explanation:

An acid is said to be a strong acid when on dissolving in water is completely ionized into its proton and conjugate base.

The strength of an acid is determined by the ease in which an acid releases it's proton. Strong acids produces weak conjugate bases and are useful in accelerating some certain chemical reactions and causes chemical burns when exposed to it.

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Davien and Jackson are headed to a beach that is 50km from school. At noon, Davien leaves his house that is 10 km closer to the

snow_tiger [21]

Distance between Davien's school and beach, D = 50 km.

Also, Davian's house is 10 km closer to the beach than the school.

So, distance between Davien's house and beach, d = 40 km.

Speed of Davian, s = 40 km/h.

Now, time taken is given by :

$t =\dfrac{Distance}{Speed}\\\\t=\dfrac{40}{40}=1\ hour$

Therefore, Davien reach the beach at 1 : 30 P.M .

Hence, this is the required solution.

5 0

3 years ago

Two children are riding on a merry-go-round that is rotating with a constant angular speed. Abbie is one meter from the center o

Ainat [17]

Answer:

Abbie’s acceleration is (1/2) Zak’s acceleration.

Explanation

1. Data:

a) ω = constant

b) Abbie: r₁ = 1 m

c) Zak: r₂ = 2 m

d) Ac₁ = ? Ac₂

2. Formulae

Ac = ω² r

3. Solution:

a) Abbie:

Ac₁ = ω² r₁ = ω² (1m)

b) Zack:

Ac₂ = ω² r₂ = ω² (2m)

c) Divide Ac₁ / Ac₂

Ac₁ / Ac₂ = ω² (1m) / [ω² (2m) ] = 1/2

⇒ Ac₁ = (1/2) Ac₂ = Ac₂ / 2 = 0.5 Ac₂

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3 years ago

A rolling ball has 18 joules of kinetic energy and is rolling 3 m/s find its mass

Alchen [17]

Force= mass times acceleration, so if the force is 18 and the acceleration is 3, the mass is 6. 18=(6)3.

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4 years ago

In each pair, select the body with more internal energy.

Alenkinab [10]

Answer:

Explanation:

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3 years ago

Why there is tides in sea and ocean

AleksandrR [38]

Answer:

Tides are the rise and fall of sea levels. Tides occur due to the gravitational forces exerted on the Earth by moon, and to a lesser extent, the sun. That's why tides occur in ocean or sea.

Hope this helps

7 0

4 years ago