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
Alexus [3.1K]
3 years ago
13

HELP ON 10 and 11 will mark BRAINLIST

Chemistry
2 answers:
Naddika [18.5K]3 years ago
4 0

Answer:

denity decresses

11: a

Explanation:

brainliest please

Marysya12 [62]3 years ago
4 0
DENITY DECREASE

TELL ME IF YOU NEED TO KNOW WHY
You might be interested in
A human skull is ?????
Anastaziya [24]

Answer:

part of the skeleton that supports the structure of face and forms a cavity from bone.

Hope it help u.

8 0
3 years ago
Read 2 more answers
How does the electrical current in electrolysis act as a catalyst driving a reaction forwards?
aev [14]

Answer:

The electrical current in electrolysis act as a catalyst driving a reaction in forward direction because when the electric current is allowed to the electrodes, the particles in the solution starts movement towards electrodes. Before this current, the particles inside the solution are static. If a solution contain sodium chloride so when the electrical current is passed. Sodium moves to the negative electrode while chlorine moves towards positive electrode and both the atoms are separated from each other and the reaction is completed.

5 0
4 years ago
Which compound(s will not form a yellow precipitate when treated with excess iodine in the presence of naoh?
Novosadov [1.4K]
For example:

5Cl₂ + I₂ + 12NaOH = 10NaCl + 2NaIO₃ + 6H₂O

Na₂S₂O₃ + 4I₂ + 10NaOH = 8NaI + 2Na₂SO₄ + 5H₂O
8 0
4 years ago
Identify the parts of the atom that are labeled in the diagram
baherus [9]

Answer:

A- Nucleus

B-Energy levels

Explanation:

  • An atom refers to the smallest particle of an element that can take part in a chemical reaction.
  • An atom is made up of two major parts namely; the nucleus and the energy shell or energy levels.
  • The nucleus of an atom contains the sub atomic particles, protons and neutrons while the energy shells contain the sub atomic particle electrons.
  • It is important to note that the protons in the nucleus are positively charged which makes the nucleus to be positively charged.
  • On the other hand, energy shells are negatively charged because of the negative charge of the electrons.
6 0
4 years ago
Read 2 more answers
Which of these can be mined from earth and used as an energy source?
Nastasia [14]

coal

Which of these can be mined from earth and used as an energy source?

A.Get rid of the waste and extra fluid

B.Ureters

C.Coal

D.Bladder

ans is coal

4 0
3 years ago
Other questions:
  • What is the average mass of a proton or a neutron?
    12·2 answers
  • How many kilograms of the rock must be processed to obtain 2.0 kg of Pb ?
    8·1 answer
  • Silver is a white metal that is an excellent conductor of heat and electricity. The density of silver is 10.49 g/cm3. Silver doe
    10·1 answer
  • Which of the following is the general definition of a gas?
    14·1 answer
  • A gas that exerts a pressure of 125.0 mm Hg in a container with a volume of ____ mL will exert a pressure of 145 mm Hg when tran
    7·1 answer
  • Even though the phone is ringing no sound comes out of the jar. What does this tell you about the space inside the jar?
    6·1 answer
  • Benzene has a heat of vaporization of 30.72 kJ/mol and a normal boiling point of 80.1°C. At what temperature does benzene boil w
    11·1 answer
  • What is the molarity of an HCl solution if 37.0 mL is completely titrated by 56.0 mL of an NaOH solution whose concentration is
    5·2 answers
  • PLS HELP ME
    13·1 answer
  • Whas the difference between an element, molecule and compound
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!