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klemol [59]
3 years ago
10

Which scientist concluded that all cells came from existing cells? Please help!!

Chemistry
1 answer:
JulsSmile [24]3 years ago
6 0

Answer:

Theodor Schwann

Explanation:

The classical cell theory was proposed by Theodor Schwann in 1839. There are three parts to this theory

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A mixture of helium, neon, and xenon gases is made with the same mass of each gas. Which (if any) gas will have the highest part
Darya [45]

Answer:

Xe will have the highest partial pressure

Explanation:

Using Dalton's law of partial pressures for ideal gases

p=P*x

where

p= partial pressure , P= total pressure and x = mole fraction = n / ∑n

since the number of moles is related with mass through

n= m/M

where

m= mass and M= molecular weight

then if m is the same for all the gases

x = m*M/ ∑ (m*M) = m*M/ m∑ M  = M/∑ M

thus

p=P*x = P*M/ ∑ M

for the 3 gases

p₁=P*x₁ = P*M₁/ (M₁+M₂+M₃)

p₂=P*x₃ = P*M₂/ (M₁+M₂+M₃)

p₂=P*x₃ = P*M₃/ (M₁+M₂+M₃)

then for gasses under the same pressure (P=constant) and same mass (m=constant) , p is higher when the molecular weight is higher . Therefore Xe will have the highest partial pressure

5 0
4 years ago
Read 2 more answers
What is the oxidation number of nitrogen in nitrogen gas?
andrew11 [14]
Ans: (D) 0
Hope my answer is correct:))
3 0
2 years ago
PLEASE HELP!!!! WILL GIVE BRANLIEST!!
NISA [10]

Answer:

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6 0
3 years ago
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identify the precipitate(s) of the reaction that occurs when a silver nitrate solution is mixed with a sodium chloride solution.
zlopas [31]

The precipitate of reaction that occurs when silver nitrate solution is mixed with sodium chloride solution is of silver chloride (AgCI).

The chemical equation for this precipitation reaction is as following:

AgNO3(aq) + NaCl(aq) --> AgCl(s) [precipitate]+NaNO3(aq)

  • Silver Chloride is a chemical compound which is poorly soluble in water because the chemical bond between Ag+ and Cl is very strong as the two ions are nearly the same size and have similar electronic densities.
  • If the chemical bond is strong, it is difficult for water molecules to break this bond to surround the individual ions, thus solubility will decrease.

learn more about precipitate at

Brainly.com brainly.com/question/13877944

#SPJ4

6 0
2 years ago
Which is the right answer
Anettt [7]

Answer:

NH3

Explanation:

there is one nitrogen and 3 hydrogen

8 0
3 years ago
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