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
iren [92.7K]
3 years ago
7

What best describes a solution ?

Chemistry
2 answers:
topjm [15]3 years ago
8 0
A solution is the answer to a problem
Ira Lisetskai [31]3 years ago
8 0
A mixture having a uniform composition where the components can't be seen separately and all components are in the same state best describes a solution
You might be interested in
Kara shines a blue light and a red light onto paper as shown in the figure below. If the paper is
boyakko [2]

Answer:D. neither red nor blue

Explanation:

5 0
3 years ago
A 225 g sample of an unknown solid is heated 67C and placed into a calorimeter containing 25.6 g of water at 15.6°c. If the fina
Stella [2.4K]

Answer:

= 1.271 J/g°C

Explanation:

Heat released by the metal sample will be equivalent to the heat absorbed by  water.

But heat = mass × specific heat capacity × temperature change

Thus;

Heat released by the solid;

= 225 g × c ×(67 -53) , where c is the specific heat capacity of the metal

= 3150 c joules

Heat absorbed by water;

= 25.6 g × 4.18 J/g°C × (53-15.6)

= 4002.0992  joules

Therefore;

3150 c joules = 4002.0992 joules

c =4002.0992/3150

 <u> = 1.271 J/g°C</u>

6 0
3 years ago
You have 100 g of Pb(NO3)2. How many moles is this?​
topjm [15]

Answer:

0.302 moles

Explanation:

Data given

Mass of Pb(NO₃)₂ = 100 g

Moles of Pb(NO₃)₂ = ?

Solution:

To find mole we have to know about molar mass of Pb(NO₃)₂  

So,

Molar mass of Pb(NO₃)₂  = 207 + 2[14 + 3(16)]

                                           = 207 + 2[14 + 48]

                                           = 207 + 124

Molar mass of Pb(NO₃)₂  = 331 g/mol

Formula used :

                no. of moles = mass in grams / molar mass

Put values in above formula

                   no. of moles = 100 g / 331 g/mol

                   no. of moles = 0.302 moles

no. of moles of  Pb(NO₃)₂ = 0.302 moles

7 0
3 years ago
What coefficients are needed to balance the following equation?<br><br> H2O + Fe Fe2O3 + H2
earnstyle [38]
H2O+Fe⇒Fe2O3+H2

When it is balanced it would be:

3H2O+2Fe⇒Fe2O3+3H2

When balancing equations, you have to make sure that all elements are equal on each side.

8 0
2 years ago
What is the name of the molecule below?
ehidna [41]

Answer:

2

Explanation:

because of the squiggly lines

4 0
2 years ago
Read 2 more answers
Other questions:
  • In the molecule XeF2 the xenon uses which type of hybrid? O spºd O spºd? Osp? O sp3 Osp
    7·1 answer
  • What causes atoms to form covalent bonds? In a covalent bond, two atoms are held together by the attraction between... The numbe
    11·2 answers
  • Given one mole of each substance, which of the following will produce the FEWEST particles in aqueous solution? 1. sodium nitrat
    13·1 answer
  • chemist in South America claims to have discovered a new element with an atomic number of 34. An extremely rare element, it was
    12·1 answer
  • The best material to be used in making cooking pots handles is made of: a. Polypropylene b. Bakelite c. Rubber d. Polyethylene
    7·1 answer
  • Does anyone know how to do this?
    6·1 answer
  • A mixture of propane and oxygen react to form carbon dioxide and water. What type of chemical reaction is this?
    10·1 answer
  • Which two energy sources were used the most in California in 2016? How do these sources compare to ther sources
    6·1 answer
  • Which of these elements has the highest first ionization energy?
    10·1 answer
  • Using bond lengths in Table 9.2 (p. 371) and assuming ideal geometry, calculate each of the following distances:
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!