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Darya [45]
3 years ago
6

I WILL GIVE U BRAINLIEST

Chemistry
2 answers:
PtichkaEL [24]3 years ago
7 0

Answer:

guidelines

Explanation:

It gives perameters for her abilities :)

gayaneshka [121]3 years ago
3 0
I believe the answer would be purview, as its definition is “the scope of the influence or concerns of something.” It would be regarded as the capabilities of of that department. Please mark as Brainliest answer! :-)
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Molecule contains carbon, hydrogen and sulfur atoms. When a sample of 0.535g of this compound is burnt in oxygen, 1.119 g of CO2
OLga [1]

Answer:

The empirical formula is, C4H4S

Explanation:

Number of moles of carbon = 1.119 g/ 44g/mol = 0.025 moles

Mass of Carbon= 0.025 moles × 12 g/ mole = 0.3 g

Number of moles of hydrogen = 0.229/18g/mol × 2 = 0.025 moles

Mass of hydrogen = 0.025 moles × 1 = 0.025 g

Number of moles of sulphur = 0.407g/ 64 g/mol = 0.0064 moles

Mass of sulphur= 0.0064 moles ×32 = 0.2 g

Now we obtain the mole ratios by dividing through by the lowest ratio.

C- 0.025 moles/ 0.0064 moles, H- 0.025 moles/ 0.0064 moles, S- 0.0064 moles/0.0064 moles

C4H4S

4 0
3 years ago
1. The pH of a solution made by combining 150.0 mL of 0.10 M KOH with 50.0 mL of 0.20 M HBr is closest to which of the following
dexar [7]

Answer:

12

Explanation:

3 0
3 years ago
Which bond type is found in ammonium chloride. Select one: a. metallic b. covalent c. ionic
Flura [38]

Answer:

ionic

Explanation:

In NH4Cl molecule, ionic bond is formed between NH4+ and Cl– ions, 3 covalent bonds are formed between N and three H atoms and one coordinate bond is formed between N and 1 H atom.

HOPE IT HELPS :)

PLEASE MARK IT THE BRAINLIEST!

7 0
3 years ago
Read 2 more answers
Which combinations of particles form ionic bonds/compounds?
Rashid [163]

Answer:

Iconic bond is formed by cation and anion. A compound is made when atoms of two or more elements bond in a chemical reaction.

Explanation:

6 0
3 years ago
Copper sulfate, when it is dissolved in water, has a blue color. When steel wool is mixed with a copper sulfate solution, the st
jenyasd209 [6]

Answer:

A. The color change from blue to green happens in nature.

Explanation:

The color change is an indicator of a chemical reaction that has occurred. Although color changes are not necessarily good diagnostic tool to measure if a chemical reaction has occurred or not.

  • In this reaction, color changes is quite an effective tool
  • Chemical changes usually involves the formation of a new product from the chemical reaction.
  • Also, the steps are not easily reversible.
  • For this reaction, color change is the most appropriate signal for a chemical change.
4 0
3 years ago
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