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gavmur [86]
3 years ago
7

What is the formula for the compound formed when a potassium ion (K ) and a sulfide ion (S2-) unite?.

Chemistry
1 answer:
cupoosta [38]3 years ago
6 0

Answer:

The chemical formula for potassium sulfide is K2 S. Sulfur atoms need two electrons to fill their 3p electron orbitals.

Explanation:

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Which of the following correctly describes globalization? (1 point)
Musya8 [376]

According to the context, globalization is the process of integration among individuals, businesses and governments.

<h3>What is globalization?</h3>

It is a historical process of global integration in the economic, political, technological, social and cultural spheres.

It is characterized by a progressive integration and interaction between countries, people and institutions with the expansion of capitalism and democracy, and with values such as multiculturalism and diversity.

Therefore, we can conclude that according to the context, globalization is the process of integration among individuals, businesses and governments.

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7 0
2 years ago
A 28. 0 ml sample of vinegar, which is an aqueous solution of acetic acid, ch3cooh, requires 21. 5 ml of 0. 550 m naoh to reach
Fittoniya [83]

Concentration of vinegar sample of 28mL which requires 21. 5 ml of 0.550 M NaOH to reach the endpoint in a titration is 0.42M.

<h3>How do we calculate the concentration of Vinegar?</h3>

Concentration of vinegar in the titration method will be used by using the below equation:

M₁V₁ = M₂V₂,

  • M₁ & V₁ are the molarity and volume of acetic acid.
  • M₂ & V₂ are the molarity and volume of vinegar sample.

By putting values on above equation from the question, we get

M₂ = (0.55M)(21.5mL) / (28mL) = 0.42 M

Hence, required concentration of vinegar is 0.42M.

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6 0
2 years ago
BRAINLEST IF RIGHT
olga55 [171]
The answer is c hope i helpd
6 0
4 years ago
Read 2 more answers
What is the basic unit of structure and function in all living things? a cell b organism c atom d plasma
valkas [14]

Answer:

A. Cell

Explanation:

Cells are basic units of structure and function in living things. This means that cells form the parts or an organism and carry out all of the an organism's processes, or functions.

4 0
3 years ago
What is the main difference between a pure substance and a mixture?
rjkz [21]

Answer:

Pure substances are Broken down into other elements or compounds, while Mixtures are combined elements that can be broken down again into their original components.

Explanation:

Mixtures can vary with what they are made from, while pure substances are set as a certain composition already.

8 0
3 years ago
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