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3 years ago

What did antoine lavoisier contribute to the atomic theory

Physics

1 answer:

gregori [183]3 years ago

6 0

Explanation:

Antoine lavoisier is most famous for his role in discovering of oxygen. He recognized and name two important element oxygen(1778) and hydrogen(1779).

In a chemical reaction, Lavoisier observed the mass is retained. A chemical reaction's total mass of the products will always be the same as the total mass of the reactant materials used in the reaction. His results led to one of the basic laws of chemical behavior: the law of material preservation, which states that matter is preserved in a chemical reaction.

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4. Protons and neutrons are held together to form this _________

Olenka [21]

Answer:

strong nuclear force.

Explanation:

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2 years ago

A type of cuckoo clock keeps time by having a mass bouncing on a spring, usually something cute like a cherub in a chair. What f

Reil [10]

Answer:0.906 N/m

Explanation:

Given

time period $T=0.66 s$

mass $m=0.01 kg$

System can be considered as spring mass system

Time Period of spring mass system is given by

$T=2\pi \sqrt{\frac{m}{k}}$

squaring

$k=\frac{4\pi ^2m}{T^2}$

$k=\frac{4\times \pi ^2\times 0.01}{0.66^2}$

$k=0.906 N/m$

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3 years ago

What sequence of events causes a massive fluid lose in bacterium vibrio cholera

kykrilka [37]

Secrete enormous amounts of water, leading to diarrhea and a rapid loss of fluids and salts (electrolytes)

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3 years ago

A person wants to determine the spring constant of an exercise stretch cord. He pulls the cord with a force probe that exerts a

amid [387]

Answer: 180N/m(to 2 significant figures)

Explanation:

According to hooked law which states that the extension of a material is directly proportional to the applied force provided that the elastic limit is not exceeded. Mathematically, F = ke where;

F is the applied force in newtons

k is the elastic/spring constant in N/m

e is the extension in meters

Given applied force = 35N

extension = 20cm = 0.2m

Since F = ke,

k = F/e = 35/0.2

k = 175N/m

The spring constant is 175N/m

= 180N/m (to 2significant figures)

8 0

3 years ago

Although you can see the pencil, it appears broken in the glass of water. This is because

Likurg_2 [28]

Hello,

Although you can see the pencil, it appears broken in the glass of water. This is because <span>electromagnetic waves travel at different speeds through different media.

Mark brainliest if helped!</span>

8 0

3 years ago

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