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Alexeev081 [22]
3 years ago
10

The arrow in the photo represents a force.

Chemistry
2 answers:
elixir [45]3 years ago
8 0

Answer: D

Explanation: The arrow is pointing to the ground which means gravity is pushing the horse to the ground. But the opposite is the horse providing an equal and opposite force to the ground to make it balanced. The answer is D.

Hope it helps.

madam [21]3 years ago
6 0

Answer:b

Explanation:

i just know

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When a certain amount of MgF2 is added to water, the freezing point lowers by 3.5° C. What was the molality of the
Leni [432]

The molality of the solution is obtained as 0.63 m.

<h3>What is the freezing point?</h3>

The freezing point is the temperature at which the liquid is converted into solid.

We know that;

ΔT = 3.5° C

K = 1.86° C/m

i = 3

m = ?

Thus;

ΔT = K m i

m = ΔT/K i

m = 3.5° C/ 1.86° C/m * 3

m = 0.63 m

Learn more about freezing point:brainly.com/question/3121416

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A sample of Neon is in a sealed container held under isothermic conditions. The initial pressure and volume are 2.7 atm and 4.5
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The final volume in mL is 7.14 mL or 7.1 mL.

Explanation:

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<em>2. Plug in values. </em>V_{2} =\frac{(2.7 atm)(4.5 mL)}{(1.7 atm)}  = 7.14 mL

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2 years ago
1. Compare and contrast the characteristics of metals and nonmetals.
Alona [7]

Answer:

1.Metals

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2. The electrochemical series helps to pick out substances that are good oxidizing agents and those which are good reducing agents.In an electrochemical series the species which are placed above hydrogen are more difficult to be reduced and their standard reduction potential values are negative.

3. Arrhenius theory, theory, introduced in 1887 by the Swedish scientist Svante Arrhenius, that acids are substances that dissociate in water to yield electrically charged atoms or molecules, called ions, one of which is a hydrogen ion (H+), and that bases ionize in water to yield hydroxide ions (OH−).

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