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malfutka [58]
3 years ago
12

What is the relationship between the strength of an acid or base and the strength of the electrolyte that it forms

Physics
1 answer:
DedPeter [7]3 years ago
7 0
Acids or bases with weak bonds easily dissociate into ions and are called "strong" acids or bases.<span>Any substance with a pH value </span>between<span> 0 up to 7 is considered acidic, whereas a pH value of 7 to 14 is a </span><span>base.</span>
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a swimmer experiences a total (absolute) pressure of 117,500 pa in a pool. how far below the surface are they located?
marta [7]

Answer:

Explanation:

We know that the pressure can be calculated in the following way:

p = d·g·h

with d being the density of the water, g the gravitational acceleration and h the depth.

Also d of the water = 1000 kg/m^3 circa and g = 9.8 m/s^2 circa

117,500 Pa = 1000kg/m³ · 9.8m/s² · h

Therefore h = 11,9 m

4 0
2 years ago
An object will begin moving from rest when acted upon by which forces?
denis23 [38]

Answer:

C. The gravity acceleration is in the same direction as the force of gravity, and thus toward the center of the earth.

Explanation:

[ More info.- It doesn't affect the body when it is at the rest, and when it is in motion, it acts toward the center of the Earth and it's component is known as "Centripetal force" ]

UwU

3 0
3 years ago
6. A person lifts a package weighing 75 N. If she lifts it 1.2 m off the floor,
balandron [24]

Answer:

90 Joules

Explanation:

75×1.2=90.

i believe it is this

7 0
3 years ago
1. What coefficients would balance the following equation?
Stolb23 [73]

Answer:

no question matee

Explanation:

3 0
3 years ago
Read 2 more answers
A 50-kg toboggan is coasting on level snow. As it passes beneath a bridge, a 20-kg parcel is dropped straight down and lands in
timama [110]

Answer:

KE2/KE1=0.71

Explanation:

By conservation of the linear momentum:

m1*V1 = (m1+m2)*V2

Solving for V2:

V2 = \frac{m1}{m1+m2}*V1

The kinetic energies are:

KE1=1/2*m1*V1^2

KE2 = 1/2*(m1+m2)*V2^2

KE2 = 1/2*(m1+m2)*(\frac{m1}{m1+m2}*V1)^2

Simplifying:

KE2 = 1/2*\frac{m1^2}{m1+m2}*V1^2

The ratio will be:

KE2/KE1=\frac{1/2*\frac{m1^2}{m1+m2}*V1^2}{1/2*m1*V1^2} =\frac{m1}{m1+m2}

KE2/KE1=0.71

5 0
3 years ago
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