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tester [92]
3 years ago
11

Pls help! Will mark brainliest! 55 Points!​

Chemistry
2 answers:
vlada-n [284]3 years ago
7 0
It is 7cm squared so just type 7
GenaCL600 [577]3 years ago
6 0

Answer:

7cm square is the answer

Hope it's helpful

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How do the strength and the cohesion of clay-rich regolith or soil change with the addition of water?
lisov135 [29]

Answer:

Water lowers the strength and cohesion of clay-rich regolith or soil.

Explanation:

Water can seep into the soil or clay-rich regolith and replace the air in the pore space of the soil or regolith. Water will completely surrounds all the grains of the clay-rich regolith and breaks the bonds in between the grains, that is eliminating all grain to grain contact of the regolith. When the regolith becomes saturated with water, the angle of repose is reduced to very small values and the regolith tends to loose its form.

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4 years ago
Determine the temperature change when 150. G block of gold is supplied with 1.00 • 10 ^3 J of heat
IceJOKER [234]

Answer:

∇T = 51.68°C

Explanation:

Mass = 150g

Heat Energy (Q) = 1.0*10³J

Change in temperature ∇T = ?

Q = mc∇T

Q = heat energy

M = mass

C = specific heat capacity of the gold = 0.129j/g°C

∇T = change in temperature

Q = Mc∇T

1.0*10³ = 150 * 0.129 * ∇T

1000 = 19.35∇T

Solve for ∇T

∇T = 1000 / 19.35

∇T = 51.679°C = 51.68°C

The change in temperature of gold was 51.68°C

8 0
3 years ago
What do acids and bases have in common apex?
disa [49]

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8 0
3 years ago
Read 2 more answers
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