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
k0ka [10]
3 years ago
9

The definition of a chemical change is when two or more substances (molecules) combine to form a new substance (or new molecules

).
Chemistry
2 answers:
frosja888 [35]3 years ago
3 0

Answer:

In a chemical change, the atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants. When a new substance is formed, the change is called a chemical change

Explanation:

In a chemical change, the atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants. When a new substance is formed, the change is called a chemical change

Fudgin [204]3 years ago
3 0
It’s called science you learn it in 8th grade.
You might be interested in
The lattice energy of a salt is related to the energy required to separate the ions. For which of the following pairs of ions is
kati45 [8]

Answer:

(A) Mg²⁺ and O²⁻

Explanation:

6 0
3 years ago
What was Ernest Rutherford's experiment?
Dafna1 [17]

Answer:

C. He shot tiny alpha particles through a piece of gold foil.

Explanation:

In the year 1911, Ernest Rutherford performed the gold foil experiment which gave a deeper perspective to the structure of an atom.

He simply collided a thin gold foil with an alpha particle which he generated from a radioactive source. He discovered that most of the alpha particles passed through the thin gold foil but a few were deflected back. His discovery led to the proposition of the nuclear model of the atom.

6 0
3 years ago
Approximately what percentage of a human's DNA is used for coding Information for the synthesis of proteins?
skelet666 [1.2K]
I’m pretty sure it is 25 % :))
4 0
3 years ago
Water is denser than oil. When frozen, the oil sinks to the bottom. Why?
sammy [17]

Answer: When water freezes it gets larger and becomes a solid but it still weighs the same as when it was a liquid form. When it becomes larger it takes up space but makes it less dense. Ok so getting to the point- oil unlike water becomes more dense when frozen so this is why oil sinks in water. Sorry if this was confusing but I hope it helped have a great day and god bless you :3

6 0
3 years ago
Which of the following observations is usually not evidence of a chemical change ?
Nookie1986 [14]

Answer:

D

Explanation:

Have a nice day

5 0
4 years ago
Other questions:
  • Particle with more energy move _________ than particles with less energy.
    15·2 answers
  • What is the volume of one mole of any gass at STP?
    13·1 answer
  • Stored energy due to position is know as blank energy
    13·1 answer
  • One degree Celsius indicates the same temperature change as
    6·1 answer
  • Barium nitrate has the formula Ba( NO3)2. Which statement is true about barium nitrate?
    10·1 answer
  • Which of the following techniques can be used to separate a heterogeneous mixture into its component parts?
    14·2 answers
  • In the balanced chemical equation for the formation of ammonia (NH3) from
    12·1 answer
  • Which reagent is the limiting reactant when 0.400 mol Al(OH)3 and 0.400 mol H2SO4 are allowed to react
    9·1 answer
  • Help! ill give brainliest
    15·2 answers
  • Why does neon gas consist of individual, unbonded neon atoms while chlorine exists as diatomic chlorine molecules?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!