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Elena-2011 [213]
2 years ago
12

Newtons second law in your own words.

Chemistry
2 answers:
Misha Larkins [42]2 years ago
8 0

Answer:

behavior of objects for which all existing forces are not balanced.

Explanation:

andre [41]2 years ago
6 0

Answer:

F=ma. Force is equal to mass times acceleration. The accleration of an object depends on the net force.

Explanation:

I know its F=ma but I think this is right I hope it helps

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Anh measured the temperature of a pond near his house. Before he left for school, the water in the pond was 18 degrees celsius.
Hitman42 [59]

As the temperature increases, B) the molecules started moving faster.

Explanation:

The temperature of a substance is a measure of the average kinetic energy of the particles in a substance. In particular, it can be found that the temperature is directly proportional to the average kinetic energy of the particles:

T\propto KE

The kinetic energy of a particle is given by

KE=\frac{1}{2}mv^2

where

m is the mass of the particle

v is its speed

This means that the higher the temperature of a substance, the greater the speed of the particles in the substance.

Therefore, if we apply this concept to this problem, we infer that as the temperature of the water in the pond gets higher, the speed of the molecules inside the water increases, which means that the molecules are moving faster.

Therefore, the correct answer is

B) the molecules started moving faster.

Learn more about temperature:

brainly.com/question/1603430

brainly.com/question/4370740

#LearnwithBrainly

3 0
3 years ago
PLEASEEEEE HELPPPPPPPP MEEEEEEEEEEEEEEEE
NeTakaya
No, because boats and other mechanical vehicles can spill gas and oil into the freshwater. if the freshwater is scarce already, we should not contaminate it more by risking the gas and oil spills.
7 0
2 years ago
Which of the following is a unit of volume in the metric system? (5 points)
Tresset [83]
The answer is liter hope this helped :)
8 0
3 years ago
What is the principle feature of a metallic bond?
Kobotan [32]
Electrons are free to move throughout metal substance, shared throughout so electricity and heat are conducted well
4 0
3 years ago
Read 2 more answers
A 0.15 m aqueous solution of a weak acid has a freezing point of -0.31 °C. What is the percent ionization of this weak acid at t
tensa zangetsu [6.8K]

Answer:

11%

Explanation:

1) Calculate van 't Hoff factor:

Δt = i Kf m

0.31 = i (1.86) (0.15)

i = 1.111

2) Calculate value for [H+]:

CCl3COOH ⇌ H+ + CCl3COO¯

total concentration of all ions in solution equals:

(1.11) (0.15) = 0.1665 m

This is a molality, but we will act as if it a molarity since we will assume the density of the solution is 1.00 g/cm3, which makes the molarity equal to the molality.

0.1665 = (0.15 − x) + x + x

x = 0.0165 M

3) Calculate the percent dissociation:

0.0165/ 0.15 = 11 %

4 0
3 years ago
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