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
Alex Ar [27]
3 years ago
12

How many molecules are present in 4.5 moles of H2O?

Chemistry
1 answer:
Gekata [30.6K]3 years ago
6 0

Answer:

Mole of the H2O = 4.5

Number of molecules =4.5 multipled by avogadro's number.

You might be interested in
In TEN complete sentences, describe how the LAW OF CONSERVATION applies to the stuff YOU OWN. For example: In real life, can new
satela [25.4K]

Answer:

Both the initial and final substances are composed of atoms because all matter is composed of atoms. According to the law of conservation of matter, matter is neither created nor destroyed, so we must have the same number and type of atoms after the chemical change as were present before the chemical change.

Explanation:

The atoms that make up your body were produced inside a star and have ... I read once that atoms get recycled so much through the planet that each of ... from William Shakespeare, but I do know this: All of us come from stars. ... If you have gold fillings in your teeth, those atoms came from a star explosion.

6 0
3 years ago
Please help! I need an answer ASAP, I will be marking brainliest.
asambeis [7]
B because A is for radios of course and C is thermal energy and D is radioactive
6 0
3 years ago
Read 2 more answers
Uranium emits particles and rays spontaneously through this process
aev [14]
Uranium emits particles and rays spontaneously through this process called radioactive decay or radioactivity.

Is the process by which the nucleus of an unstable atom loses energy by emitting radiation, including alpha particles, beta particles. gamma rays and conversion electrons.
3 0
3 years ago
How to identify Double replacement
BARSIC [14]

Answer:

The easiest way to identify a double displacement reaction is to check to see whether or not the cations exchanged anions with each other.

Explanation:

if the states of matter are cited, is to look for aqueous reactants and the formation of one solid product (since the reaction typically generates a precipitate).

6 0
3 years ago
Alcohol begins to affect your brain _______
zvonat [6]
Alcohol begins to affect your brain cells
4 0
3 years ago
Other questions:
  • Oxygen is composed of only one kind of atom and can’t be separated into simpler substances. What type of matter is it? A. soluti
    9·2 answers
  • Use electron transfer or electron shift to identify what is oxidized and what is reduced in each reaction :
    5·2 answers
  • What is the [OH-] concentration of a solution with a pH of 5.5?
    10·2 answers
  • How many atoms are in nitrogen
    7·1 answer
  • If you had excess aluminum, how many moles of aluminum chloride could be produced from 28.0 g of chlorine gas, Cl2?
    6·1 answer
  • What is the oxidation state for the atoms in the reaction:?
    6·1 answer
  • What does sound travel slowest through? Rock, Steel, Air, or Water?
    12·2 answers
  • Help me Please! I don’t understand it
    5·1 answer
  • Compound formula: MgCl2
    14·2 answers
  • Describe what the greenhouse effect is and how it is caused on a molecular level.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!