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
serg [7]
3 years ago
13

Boling water is considered as​

Chemistry
1 answer:
professor190 [17]3 years ago
4 0

Answer:Boiling water is a physical change, as it rearranges molecules but does not affect the internal structures. Boiling water forces the water molecules away from each other as the liquid changes to vapor. In a chemical change, new chemical substances are created or formed. Advertisement. Physical changes affect the state of an item, and a chemical change happens at a molecular level.

Explanation:

hope it helps:))

You might be interested in
A goup of cells that work together to perform a specific function.
algol13

Answer:

Cell Differentiation and Tissue.

Explanation:

tissues are organized communities of cells that work together to carry out a specific function.

4 0
3 years ago
.Cut up paper burns much more rapidly than an equivalent single piece of wood because of its...
tankabanditka [31]

Answer:

different reactants

Explanation:

because if you think about it what's really thick and it takes a lot longer to burn a piece of paper is super fit material which can just tear real easily just by ripping it with your fingers so if you think about it how fast it burns it's not how big the molecules are because paper has smaller molecules than wood would so the paper burns faster in differently so it's probably the reactant it's made of

3 0
3 years ago
Determine the amount of both hydrogen and oxygen in a 500mL sample of Water.
alina1380 [7]
There would be about 1.67 x 10^25 oxygen atoms and about 3.34 x 10^25 hydrogen atoms.
3 0
3 years ago
Two moles of lithium has a mass of 13.88g. true or false
Dafna1 [17]
From the periodic table:
the mass of lithium = <span>6.941 grams
Since lithium is monoatomic, therefore, the molar mass of lithium = </span><span>6.941 grams

Now, we need to calculate the mass of two moles of lithium:
mass of two moles of lithium = 2 * </span><span>6.941 = 13.882 grams

Based on the above calculations, the answer is:
True</span>
3 0
3 years ago
Read 2 more answers
A) How many moles of water will be formed if you start with 2.54 moles of
Tcecarenko [31]

Answer is 355 grams.
Explanation:
Given the molecular weights:
M
r
N
a
O
H
=
40
g
m
o
l

M
r
N
a
2
S
O
4
=
142
g
m
o
l
The analogy of the moles will be held constant:
n
N
a
O
H
n
N
a
2
S
O
4
=
2
1
n
N
a
O
H
n
N
a
2
S
O
4
=
2
For each one, substitute:
n
=
m
M
r
Therefore:
n
N
a
O
H
n
N
a
2
S
O
4
=
2
m
N
a
O
H
M
r
N
a
O
H
m
N
a
2
S
O
4
M
r
N
a
2
S
O
4
=
2
200
40
x
142
=
2
200
⋅
142
40
x
=
2
200
⋅
142
=
2
⋅
40
x
x
=
200
⋅
142
2
⋅
40
=
100
⋅
142
40
=
10
⋅
142
4
=
1420
4
=
=
710
2
=
355
g
r
a
m
s
(or just use a calculator)
7 0
3 years ago
Other questions:
  • Does radiation count as an electromagnetic wave, and if so what would it be called?
    7·1 answer
  • Which of the following best describes what a scientist does
    11·2 answers
  • By measuring the distance from the crest of one wave to the crest of another we will know the _____ of the light.
    9·1 answer
  • There are two possible isomers of the product acetal that could conceivably be formed.
    7·1 answer
  • What is the closest to potassium
    12·1 answer
  • Which solution when mixed with a drop ofbromthymol blue will cause the indicator to change from blue to yellow
    5·2 answers
  • What is the momentum of a motorcycle and a rider weighing 215 kg traveling at a speed of 62 meters per second?
    8·1 answer
  • You add a neutron to the nucleus of the atom. How many protons, neutrons, and electrons do you have now
    15·1 answer
  • CaCO3 Calcium oxide and carbon dioxide
    12·1 answer
  • 21. Which of the following is the best way to clean up an acid spill?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!