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kvv77 [185]
3 years ago
8

Khjgjhgfmhgxfhkugfdnhmvngchnvnhvhgh

Chemistry
2 answers:
igor_vitrenko [27]3 years ago
5 0

Answer:

I don’t know

Explanation:

bazaltina [42]3 years ago
4 0

Answer: fish are ghosts

Explanation:

Water, space, oxygen. What do they have in common? What do they have that is unique to themselves? One must ponder life’s hidden truths in order to gain true and pure enlightenment.

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What is the formula of hexaaquamanganese(ii) sulfate? express your answer as a chemical formula?
Digiron [165]

Answer : The formula of hexaaquamanganese(II)sulfate is [Mn(H_2O)_6]SO_4.

Explanation :

Rules for writing formulas of coordination complexes :

  • Central metal is written first and then the ligands are written along with their prefixes.
  • The anion ligands are written before the neutral ligands.
  • If there are more than one anion ligands or neutral ligands then they are written in alphabetical order.

The given name of complex is, hexaaquamanganese(ii) sulfate.

In this, the central metal is manganese which is written as Mn and the ligand is water (which is a neutral ligand) is written as H_2O and an anion is sulfate which is written as SO_4.

Water is a neutral ligand and sulphate has a charge of -2. As the overall complex is neutral the metal bears a +2 charge which is represented in Roman numeral after the metal.

Therefore, the formula of hexaaquamanganese(II)sulfate is written as [Mn(H_2O)_6]SO_4.

3 0
3 years ago
3. A property that does NOT depend on the amount of matter such as density, color, temperature. A. Intensive B. Extensive​
pshichka [43]

Answer:

extensive

hope it helps!

5 0
3 years ago
Define molecular formula and empirical formula. What are the similarities and differences between the empirical formula and mole
irga5000 [103]

<u>Explanation:</u>

Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.  

Empirical formula is the simplest chemical formula which depicts the whole number of atoms of each element present in the compound.  

In both the formulas, the nature of atoms remains the same but the number differs.

For Example: The molecular formula of oxalic acid is C_2H_2H_4 but the empirical formula of oxalic acid is CHO_2

To calculate the molecular formula, we need to find the valency which is multiplied by each element to get the molecular formula.

The equation used to calculate the valency is:

n=\frac{\text{Molecular mass}}{\text{Empirical mass}}

The empirical mass can be calculated from empirical formula and molar mass must be known.

6 0
3 years ago
Match the natural resources to their uses.<br> water<br> forests<br> wetlands<br> parks
spin [16.1K]

Answer:

water - to drink

forests - to go camping and to get lost

wetlands - to see some rare wildlife

parks - to play

8 0
3 years ago
Read 2 more answers
A small amount of a solid is added to water. The observation made after fifteen minutes is shown in the figure. Which of these s
natulia [17]

Answer:

B) sand

Explanation:

A) Oil is a wrong choice because it is a liquid not a solid and also if it is oil, it will float over the water surface as a droplets.

B) Sand is the right choice, because sand is a solid and it does not dissolve in water and stabilizes at the bottom.

C) Sugar is a wrong choice, because small amount of sugar will dissolve in water and be a homogeneous solution and does not appear as a particles.

D) Wood ships is also a wrong choice, even it is a solid and does not dissolve in water, but it will float over the water surface.

4 0
3 years ago
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