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Savatey [412]
4 years ago
10

Summarize the main contributions of copernicus, brahe,kepler,galileo,and newton

Chemistry
1 answer:
Ilia_Sergeevich [38]4 years ago
3 0
Copernicus- developed heliocentric model, discovered the chemical element Copernicum has the symbol Cn and atomic number 112, started the scientific revolution.

Brahe- known for his precise and comprehensive astronomical and planetary observations, which heavily influenced future discoveries; built the maps of Hven that helps in accurate determinations of latitude and longitude.

Kepler - solved the mystery of the planets; believed the Solar System's planets orbited the sun in circular path that determined by an arrangement of the five platonic solids.

Galileo - Father of Modern Science; discovered the first moons ever known to orbit a planet other than Earth; first person to study the sky with a telescope; discovered the rings of Saturn; our moon has mountains; Milky Way is made up of stars; established that everything falls to the ground at the same rate regardless of weight; identified the parabola; proposed theory of relativity; discovered pendulums; tried to measure the speed of light; showed the set of perfect squares.

Newton- generalized the binomial theorem; showed sunlight is made up of all the colors of the rainbow; discovered the law of gravitation; Laws of motion and calculus.
       


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3 0
3 years ago
Read 2 more answers
4. Balance the following chemical equation. Say what the coefficients "a"
lisabon 2012 [21]

Answer:

a = 4

b = 3

Explanation:

<u>SOLUTION :-</u>

Balance it by using 'hit & trial' method , and you'll get the answer :-

2Fe₂O + 3C → <u>4</u>Fe + <u>3</u>CO₂

⇒ a = 4 ; b = 3

<u></u>

<u>VERIFICATION :-</u>

<em>In reactant side of equation :-</em>

  • Number of atoms in Fe = 2×2 = 4
  • Number of atoms in O = 2×3 = 6
  • Number of atoms in C = 3×1 = 3

<em>In product side of equation :-</em>

  • Number of atoms in Fe = 4×1 = 4
  • Number of atoms in C = 3×1 = 3
  • Number of atoms in O = 3×2 = 6

Number of atoms of each element is equal in both reactant & product side of equation. Hence , the equation is balanced.

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3 years ago
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Answer:

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Explanation:

A concentrated solution is one that has a lot of solute (the substance being dissolved) in the solvent (the substance doing the dissolving). When a solution is concentrated, it means it has a high ratio of solute to solvent, so the answer is D.

Hope this helps.

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After reading the list of physical properties above, you realize that they are describing a substance that is a
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The answer is B

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