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
EleoNora [17]
3 years ago
8

Which of the following substances

Chemistry
2 answers:
andreev551 [17]3 years ago
8 0
A, Saline NaCI and H,0
kondor19780726 [428]3 years ago
8 0
The person aboveAnswered it
You might be interested in
Determine which elements or compounds are missing from the following reaction equation: hydrogen + ________ → water
Karo-lina-s [1.5K]

Answer:

Oxygen

Explanation:

Water's formula is H20. Which is two hydrogen and one oxygen.

4 0
3 years ago
Is iornIInitrate ionic or covalent
kondaur [170]

Answer:

Iron (II) nitrate is ionic compound

Explanation:

Formula:

Fe(NO₃)₂

Iron (II) nitrate is ionic compound.

Its molecular mass is 179.85 g/mol.

NO⁻₃ is anion while Fe⁺² is cation.

Iron loses its two electron which is accepted by nitrate.

Its molecular formula can be written as FeN₂O₆.

Its color is pale green.

Its melting point is 333.65 K.

It is para magnetic compound.

it is mostly present in non hydrated form.

It is also known as ferric nitrate.

It is used to form sodium amide.

Its is also used catalyst.

7 0
3 years ago
SOMEONE PLS HELP ME ITS URGENT
Simora [160]

If copper is heated with iron oxide there is no obvious reaction because

copper is less reactive than iron.

On a reactivity chart, copper is far below iron. This makes it impossible for a replacement reaction to occur, so the equation doesn't change.

I hope I helped!

5 0
3 years ago
Read 2 more answers
One mole of which substance contains a total of 6.02 x 1023 atoms? (I need help please.)
Korolek [52]

Answer:

Oxygen

Explanation:

One mole of atoms of oxygen has a mass of 16 g, as 16 is the atomic weight of oxygen, and contains 6.02 X 1023 atoms of oxygen.

8 0
1 year ago
What was Bohr's model of the atom?
saveliy_v [14]

Answer:

In atomic physics, the Bohr model or Rutherford–Bohr model, presented by Niels Bohr and Ernest Rutherford in 1913, is a system consisting of a small, dense nucleus surrounded by orbiting electrons—similar to the structure of the Solar System, but with attraction provided by electrostatic forces in place of gravity.

Explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • Clouds are formed by the ________ water
    9·1 answer
  • What is the chemical formula for decomposition?
    5·1 answer
  • Anne brought a 1 L bottle of vinegar from home to use in an experiment on volcanoes in science class. she poured the contents of
    5·1 answer
  • Should existing structures build from CCA-treated wood be removed?
    5·1 answer
  • Which substance can not be decomposed by a chemical change?
    9·1 answer
  • Consider the balanced chemical reaction when phosphorus and iodine react to produce phosphorus triodide:
    7·1 answer
  • Willam adds two values following the rules for using significant figures in computations
    14·1 answer
  • The purpose of photosynthesis is to produce usable chemical energy or glucose from solar energy. If the formula for glucose is C
    5·1 answer
  • How many moles of AlCl3 are in 2.25L of a 0.15 molar solution?
    8·1 answer
  • present day india is in south asia at the northern end of the indian ocean what evidence found in india matches that of other lo
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!