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
swat32
3 years ago
14

Can someone answer this real quick please!

Chemistry
2 answers:
Slav-nsk [51]3 years ago
7 0

Answer:

the answer is C

Explanation:

sleet_krkn [62]3 years ago
6 0

Answer:

Copper Wire

Explanation:

Copper is a pure substance but they used it to make a man-made material. Therefore, it's not pure anymore.

You might be interested in
How are ions formed?
Fiesta28 [93]

Answer: Ions are formed by the addition of electrons to, or the removal of electrons from,

Explanation:

7 0
3 years ago
Is potassium fluoride a covalent bond or ionic bond
Ivahew [28]

It's an ionic bond! Potassium is a cation, or a metal with a positive charge, and fluoride is an anion, or a nonmetal with a negative charge.

A covalent bond is the bond between two nonmetals.

Hope this helped!

7 0
3 years ago
Read 2 more answers
While both comets and asteroids are found to orbit the sun in our solar system which system which choice correctly explain how t
Alika [10]

Answer:

Comets are made of ice, dust, and rocky material. Asteroids are made of rock and metal material.

Explanation:

thats how they are different from each other

6 0
3 years ago
The pK of acetic acid is pK = 4.76. For a 0.1 M solution of acetic acid at a pH = 4.76 what is the concentration of [H+]?
spin [16.1K]

Answer:

[H+] = 1.74 x 10⁻⁵

Explanation:

By definition pH = -log  [H+]

Therefore, given the pH,  all we have to do is  solve algebraically for  [H+] :

[H+]  = antilog ( -pH ) =  10^-4.76 = 1.74 x 10⁻⁵

6 0
3 years ago
What is the molarity of a solution prepared by diluting 43.72 ml of 1.005 M aqueous K2CR2O7 to 500 ml
UNO [17]

Answer:

43.72

Explanation:

that is the answer hope u liked it and I did this already along time ago

3 0
3 years ago
Other questions:
  • Which of the following is an example of a chemical change? Dissolving sugar in coffee Evaporating rubbing alcohol Freezing water
    13·2 answers
  • Identify the generic outer electron configuration for the akali metals
    11·1 answer
  • How many moles of O2 are needed to produce 50.0 moles of CO2?
    5·1 answer
  • How many molecules are in 15 grams of Oxygen gas?
    13·1 answer
  • What determines your blood cholesterol level?
    10·2 answers
  • Arrange the following ions in order of increasing ionic radius: K+, P3–, S2–, Cl–.
    8·1 answer
  • Determine the amount of atoms in 5.40g B
    11·1 answer
  • As 1 g of sodium hydroxide dissolves in 100g of water, the conductivity of the water:
    6·2 answers
  • How are elements arranged on the periodic table?
    8·1 answer
  • If you dissolve 20 mL of flavor crystals into 250 mL of water to make lemonade, what volume of lemonade do you expect to have? W
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!