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Drupady [299]
3 years ago
15

Express 450 x 10-9 m (wavelength of blue light) in decimal notation (i.e., express

Chemistry
1 answer:
Llana [10]3 years ago
3 0

Answer:

0.00000045 m  is the wavelength of blue light in decimal

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Alex777 [14]

Answer:

option "B" is correct (substance 2)

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2 years ago
Identify the following as an example of a physical or chemical. Olive oil, vinegar, salt, and pepper are shaken together togethe
erastova [34]

Answer:

Physical

Explanation:

Olive oil, vinegar, salt, and pepper are shaken together to make salad dressing. Physical or chemical change?

Physical

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2 years ago
Counting Atoms C4012 C= 0=​
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269,937 hope this helps!!
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3 years ago
Read 2 more answers
what volume of concentrated HCl (12 M) is needed to fully neutralize 5 mL of a 1 M solution of sodium bicarbonate (show your set
QveST [7]

Answer:

0.417M

Explanation:

Equation of the reaction

2HCl+Na2CO3→2NaCl+H2O+CO2

From dilution principle

no of mole=conc × volume

from the balanced equation

no of mole of  Na2CO3=2× no of mole of HCl

HCl=acid=A

Na2CO3=base=B

since n=cv

Conc of base × vol of base=2× conc of acid×volume of acid

2M×5ml=2×12M×Volume of acid

volume of acid=10/24

=0.417(3 decimal place)

5 0
2 years ago
Give the systematic name of this copper compound. Use bis- instead of di- when denoting ethylenediamine.(Cu(en)2(H2O)2)I2*All of
Drupady [299]

Answer:

The systematic name of the complex is: [Cu(en)_2(H_2O)_2]I_2

diaquabisethylenediaminecopper(II) iodide

Explanation:

[Cu(en)_2(H_2O)_2]I_2 = Given complex whose naming is to be done:

Rules for naming of the coordination compounds :

  • The name of ligand should be written first and then metal.
  • The charge of metal indicated with the Roman numerals and enclosed in the parenthesis after metal name.
  • The ligand's names written should be in an alphabetical order before the metal ion.
  • Ligands that include a numerical prefix in the name use the prefixes bis or dia for 2, tris for 3, or tetrakis for 4 to indicate their number.
  • If the complex ion is an anion, we drop the ending of the metal name and add –ate.

The cationic part of the complex: diaquabisethylenediamine copper(II)

The anionic part of the complex: iodide

The systematic name of the complex is: [Cu(en)_2(H_2O)_2]I_2

diaquabisethylenediaminecopper(II) iodide

8 0
3 years ago
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