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Virty [35]
3 years ago
10

Please help I don’t know if my answer is right!!

Chemistry
1 answer:
Temka [501]3 years ago
8 0

Answer:

neutralization reaction! Aka: option C!

HOPE THIS HELPS! :)

Explanation:

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Which solution is the least concentrated?
lora16 [44]

Answer:

Which solution is the least concentrated?

O 2 moles of solute dissolved in 4 liters of solution

O 1 mole of solute dissolved in 4 liters of solution

4 moles of solute dissolved in 6 liters of solution

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A careless student forgets to label one of their reagent containers. They know it contains one of the following solutions: 0.1 M
antiseptic1488 [7]

Answer:

0.1 M NaCl

Explanation:

This question reminds of of the solubility rules. Let us recall that all chlorides are soluble except those of lead, mercury II and silver which are insoluble in water.

The following reaction will occur leading to the formation of a precipitate;

Pb(NO3)2(aq) + 2NaCl(aq) -------> 2NaNO3(aq) + PbCl2(s)

The white precipitate formed is  PbCl2.

4 0
3 years ago
How could an alpha particle pass straight through the metal foil and strike the center of the phosphor screen on the other side
djverab [1.8K]
I think you refer to  Rutherford's Gold Foil Experiment alpha particles pass through because of the enormous amount of empty space inside the atom. 


>>>more details here<<<
to have its trajectory affected the alpha particle has to pass "near" the nucleus to interact with the positive charge of the nucleus.
the fact is that internally the gold atoms are basically empty space and the nucleus represents only a small portion of the entire volume. only few alpha particles pass near the nucleus 

picture added><><**><>< below}{<{>} 
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8 0
3 years ago
I do not quite understand this, anyway someone can help? I'll give brainliest to the correct answer!
Andrews [41]

Answer:

Both flow rapidly down a slope and can be triggered by an earthquake. Landslides contain only rock and soil, while mudflows contain rock, soil, and a high percentage of water.

Explanation:

4 0
2 years ago
Read 2 more answers
Which is the molar mass of BF3?<br> 10.81 g/mol<br> 29.81 g/mol<br> 48.81 g/mol<br> 67.81 g/mol
kondor19780726 [428]

 The molar mass of BF3  is  67.81  g/mol


  <em><u> Explanation</u></em>

  •  Molar mass   is the  mass  of all  atoms  in a molecule  in gram per  mole.
  • molar mass  of a molecule is calculated by adding  atomic mass  of constituent  atom
  • use the periodic table  to determine the atomic mass of each element in the  molecule.

that is;

         atomic mass of B = 10.81 g/mol

         atomic  mass of F  = 19 g/mol

  • since there 3 atoms  of F  in BF3 the  atomic massof F in BF3=  3 x19  =  57 g/mol
  • total molar  mass of BF3 = 10.81 g/mol + 57 g/mol = 67.81  g/mol
5 0
3 years ago
Read 2 more answers
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