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lyudmila [28]
3 years ago
11

Help me, please!!!!!!!!!!!!

Chemistry
1 answer:
RUDIKE [14]3 years ago
7 0
I think it’s c because it only includes the parts of the sentence involving the building and the sentence still makes sense
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The odd one out is NaBr
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A student plans to add HCL to a solution containing pb(NO3)2 (aq). To determine how much Pb2+ will precipitate from solution whe
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Answer:

Option C. Ksp for PbCl₂

Explanation:

The equilibrium constant that is established between a solid and its ions in a saturated solution is what is known as Ksp (solubility product). It is an equilibrium constant based on concentrations.

The concentrations must be equilibrium, that is, concentrations of the ions in a saturated solution. To be sure of such saturation it is convenient to form a precipitate.

The smaller the Kps, the more insoluble the salt

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Which of these processes removes carbon from
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Which of the following most accurately represents John Dalton’s model of the atom? A. a tiny, solid sphere with an unpredictable
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The most accurately represented John Dalton's model of the atom is: C. a tiny, solid sphere with a predictable mass for a given element

<h3>Further explanation</h3>

The development of atomic theory starts from the first term conveyed by Greek scientists who suggested that every substance has the smallest particles so that the word atomos appears, which means it cannot be divided. So, John Dalton, a British scientist put forward the hypothesis about atoms, among others:

  • 1. The elements are composed of atoms which are small particles which cannot be subdivided
  • 2. Atoms that make up the same element have the same properties, mass, and size, while for different elements, the properties are also different
  • 3. Compounds are composed of two or more atoms in a fixed ratio
  • 4. In chemical reactions, atoms after and before a reaction cannot be destroyed, only separation and reassembly occur

Point 3 shows the relationship with The Law of Constant Composition of Proust so that further research on atoms is more developed

Dalton's hypothesis is described as a solid sphere like a very small shot put ball or a bowling ball based on Dalton's hobby in bowling

<h3>Learn more</h3>

Bohr's model of the atom

brainly.com/question/1625635

Rutherford performed the gold foil experiment

brainly.com/question/1859083

The part of an atom that is mostly empty space

brainly.com/question/4089014

Keywords: atom, Dalton, a solid sphere, The Law of Constant Composition

5 0
3 years ago
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Balanced or Unbalanced<br><br> CH4+4Ci2=CCi4+4HCi
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Answer:

balanced

Explanation:

its balance since all the elments add up on both sides

7 0
3 years ago
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