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Alenkasestr [34]
3 years ago
12

A reaction between an acid and a base is called a

Chemistry
1 answer:
Sergeeva-Olga [200]3 years ago
5 0

Neutralization reaction

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If you hold a backpack in your hand, the force of gravity pulls it downward. What force keeps it from falling to the ground?
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The force of the gases pushes downward at the same time that the gases push the rocket upwards. 1.

Explanation:

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What physical property of mercury makes it well suited for use in a thermometer?
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because mercury has low melting point

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How does salt help melt the road?​
QveST [7]

Lower the melting point

Explanation:

Salts helps to melt road by lowering the melting point. It acts as an impurity and generally, impurities low the melting point of substances.

Salts are used as an antifreeze.

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  • When salt is added, it causes the depression of the freezing point by lowering it further.
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3 years ago
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Calculate 18.9 minus 2.15. Round the answer to the correct number of significant figures.
Lerok [7]
The answer is 16.75 it rounds to 17 Hope this helps! ;D
7 0
3 years ago
No spam or links! Thanks!
Monica [59]

Answer:

364 K or 91°C

Explanation:

Applying,

V₁/T₁ = V₂/T₂................ Equation 1

Where V₁ = Initial Volume, V₂ = Final volume, T₁ = initial Temperature, T₂ = final Temperature.

make T₂ the subject of the equation,

T₂ = V₂T₁/V₁................. Equation 2

From the question,

Given: V₁ = 375 mL, V₂ = 500 mL, T₁ = 0.0°C = (273+0) K = 273 K

Substitute these values into equation 2

T₂ = (500×273)/375

T₂ = 364 K

T₂ = (364-273) °C = 91 °C

5 0
3 years ago
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