1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
anastassius [24]
3 years ago
8

Please tell me what you think is the answer to the question I ask ​

Chemistry
1 answer:
SpyIntel [72]3 years ago
3 0

Answer:

1.) Mixture can be defined as the physical combination of two or more substances which can be separated into its different constituents because it's not chemically bound together. A mixture can be homogeneous or heterogeneous.

Explanation:

3.) Homogeneous mixture appears UNIFORM while heterogeneous mixture appears IRREGULAR( non - uniform).

4.) A homogeneous mixture is a type of mixture in which the composition is uniform throughout the mixture. While a heterogeneous mixture is a mixture in which different sections have different compositions.

5.) Examples of Homogeneous mixture: the solution of salt and water.

Example of heterogeneous mixture: mixture of sand and water.

From the basic knowledge and definition of mixture in chemistry the above answers had been given.

Furthermore, a mixture contains two or more substances in any proportion. It can be heterogeneous or homogeneous. Examples of mixture include: sea water ( this contains salt and water and can be physically separated) or mud which contains dirt and water.

Homogeneous mixture are said to be uniform in appearance because because the dissolved material is present in the same amount throughout the solution. That is why sea water is known as a typical example.

Heterogeneous mixture are said to be irregular or non- uniform in appearance because the combined substances usually form different phases and layers which can be physically observed. This is seen in a mixture of sand and water or water and oil.

You might be interested in
What is the molar mass of water in the hydrate? FeSO4 • 7H2O
Rainbow [258]
M=7M(H₂O)

M=7*18.015 g/mol = 126.105 g/mol
5 0
4 years ago
Which reaction results in only a physical change?
Advocard [28]
D will because water just turns from liquid to a gas by adding heat. That is a physical change. The other equations are chemical changes.
4 0
4 years ago
Calculate the volume in liters of a potassium iodide solution that contains of potassium iodide . Be sure your answer has the co
Anna11 [10]

Answer:

23.8 L

Explanation:

There is some info missing. I think this is the original question.

<em>Calculate the volume in liters of a 0.0380M potassium iodide solution that contains 150 g of potassium iodide. Be sure your answer has the correct number of significant digits.</em>

<em />

The molar mass of potassium iodide is 166.00 g/mol. The moles corresponding to 150 grams are:

150 g × (1 mol/166.00 g) = 0.904 mol

0.904 moles of potassium iodide are contained in an unknown volume of a 0.0380 mol/L potassium iodide solution. The volume is:

0.904 mol × (1 L/0.0380 mol) = 23.8 L

6 0
3 years ago
Which of the following is true? Covalent bonds are strong intermolecular forces. Covalent bonds are weak intramolecular forces.
tatuchka [14]

Answer:

They are strong intermolecular forces

Explanation:

Covalent forces are very strong intermolecular forces. In fact, we can say they are the strongest. This is because several big and giant molecules have covalent bonds holding their molecules together. A good example of this is the buckministerfullerence molecule which contains carbon atom to the order of 60 carbon atoms. It is a very giant molecule and it is covalent bond that is holding the molecules together

The strongest substance in the world is diamond. It is so strong that no other substance can cut it asides another diamond. As strong as it is, the molecule is held together by very strong intermolecular forces of covalent bonds which confers the strength it has on it

6 0
4 years ago
Read 2 more answers
What is the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen?
rusak2 [61]

Answer:

The empirical formula is C3H3O

Explanation:

Step 1: Data given

Suppose the mass of the molecule = 100 grams

The molecule contains:

65.5 % Carbon = 65.5 grams

5.5 % Hydrogen = 5.5 grams

29.0% Oxygen = 29.0 grams

Molar mass of C = 12 g/mol

Molar mass of H = 1.01 g/mol

Molar mass of O = 16 g/mol

Step 2: Calculate moles

Moles = mass / molar mass

Moles C = 65.5 grams / 12 g/mol = 5.46 moles

Moles H = 5.5 / 1.01 g/mol = 5.45 moles

Moles O = 29.0 grams / 16 g/mol = 1.8125 moles

Step 3: Calculate mol ratio

We divide by the smallest amount of moles

C: 5.46 / 1.8125 = 3

H = 5.45 / 1.8125 = 3

O = 1.8125/1.8125 = 1

The empirical formula is C3H3O

8 0
3 years ago
Other questions:
  • What is the mass of 0.500 mole of Ba? (Watch sf’s)
    14·1 answer
  • 1L= 1,000,000,000,000 _L
    12·1 answer
  • What chemical compound is crucial to marine life and how is it disappearing?
    8·1 answer
  • An object accelerates 16.3 m/s2 when a force of 4.6 Newton’s is applied to it. What is the mass of the object?
    8·1 answer
  • If 0.220 molmol of a nonvolatile nonelectrolyte are dissolved in 3.70 molmol of water, what is the vapor pressure PH2OPH2O of th
    10·1 answer
  • URGENT!!! 20 POINTS!!!!! Explain why an atom with 7 valence electrons and 2 energy levels has a high electronegativity and ioniz
    13·1 answer
  • The study of how organisms interact with one another and with their environment
    10·1 answer
  • What is the name of this molecule?
    13·2 answers
  • Identify the major ions present in an aqueous lioh solution
    5·2 answers
  • What are radioactive isotopes?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!