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malfutka [58]
3 years ago
6

What is Newton's first law of motion in your own words?

Chemistry
2 answers:
miv72 [106K]3 years ago
6 0

Answer:

State Newton's first law of motion in your own words. According to Newton's first law of motion, the state of motion of an object does not change as long as the net force acting upon the object is zero. ... These two forces are called the action and reaction forces.

Explanation:

Basile [38]3 years ago
6 0

Answer:

According to Newton's first law of motion, the state of motion of an object does not change as long as the net force acting upon the object is zero. These two forces are called the action and reaction forces.

Explanation:

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How is it that when a salt sample dissolves in water, the delta S for the process is positive?
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Water is highly ordered. In water each oxygen atom is connected to others around it through hydrogen bonding via bridging hydrogen atoms. When a salt like NaCl is dissolved, some of these Hydrogen bonds break.

When a salt like NaCl dissolves in water, the NaCl breaks in to ions Na+ and Cl-.

The water molecules now surround these ions.

The slightly negative oxygen end of water molecule gets near the Na+, while the slightly positive Hydrogen of water molecule gets near the Cl-.

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3 years ago
A piece of iron is heated to 95.0 celsius and then placed in an insulated vessel containing 250. grams of water at 25.0 celsius.
Nana76 [90]

Answer:

c) 387g

Explanation:

Water;

Mass = 250g

Specific heat = 4.184

Initial Temp, T1 = 25 + 273 = 298K

Final Temp, T2 = 35 + 273 = 308K

Heat = ?

H = mc(T2 - T1)

H = 250 * 4.184 (308 - 298)

H = 10460 J

Iron;

Initial Temp, T2 = 95 + 273 = 368K (Upon converting to kelvin temperature)

Mass = ?

Final Temp, T1 = 35 + 273 = 308

Heat = 10460 (Heat lost by iron is qual to heat gained by water)

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H = mc(T2-T1)

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Explanation:

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