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
Phantasy [73]
3 years ago
9

Chemical property

Chemistry
1 answer:
Tasya [4]3 years ago
4 0

Answer:

Characteristic of a substance that Cannot be observed without altering the identity of the substance.

Explanation:

A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points.

You might be interested in
I need help ASAP <br> Extra points &amp; brainlest:)
Oksana_A [137]

Answer:

it is c

Explanation:

3 0
2 years ago
Read 2 more answers
Assume that you have a cylinder with a movable piston. What would happen to the gas pressure inside the cylinder if you do the f
pishuonlain [190]

Answer:

A. The pressure will increase 4 times. P₂ = 4 P₁

B. The pressure will decrease to half its value. P₂ = 0.5 P₁

C. The pressure will decrease to half its value. P₂ = 0.5 P₁

Explanation:

Initially, we have n₁ moles of a gas that occupy a volume V₁ at temperature T₁ and pressure P₁.

<em>What would happen to the gas pressure inside the cylinder if you do the following?</em>

<em />

<em>Part A: Decrease the volume to one-fourth the original volume while holding the temperature constant. Express your answer in terms of the variable P initial.</em>

V₂ = 0.25 V₁. According to Boyle's law,

P₁ . V₁ = P₂ . V₂

P₁ . V₁ = P₂ . 0.25 V₁

P₁ = P₂ . 0.25

P₂ = 4 P₁

<em>Part B: Reduce the Kelvin temperature to half its original value while holding the volume constant. Express your answer in terms of the variable P initial.</em>

T₂ = 0.5 T₁. According to Gay-Lussac's law,

\frac{P_{1}}{T_{1}} =\frac{P_{2}}{T_{2}}\\\frac{P_{1}}{T_{1}} =\frac{P_{2}}{0.5T_{1}}\\\\P_{2}=0.5P_{1}

<em>Part C: Reduce the amount of gas to half while keeping the volume and temperature constant. Express your answer in terms of the variable P initial.</em>

n₂ = 0.5 n₁.

P₁ in terms of the ideal gas equation is:

P_{1}=\frac{n_{1}.R.T_{1}}{V_{1}}

P₂ in terms of the ideal gas equation is:

P_{2}=\frac{n_{2}.R.T_{1}}{V_{1}}=\frac{0.5n_{1}.R.T_{1}}{V_{1}}=0.5P_{1}

3 0
3 years ago
Which compound is bonded covalently? A.KF B.MgS C.BeO D.SO2
Masja [62]

Answer:

SO2 is bonded covalently

Explanation:

Atoms that share electrons in a chemical bond have covalent bonds.

6 0
3 years ago
The cells of all organisms must produce energy in order for the cell to survive and function. The diagrams below show
PSYCHO15rus [73]

Answer:

Mitochondria Is produced by both animal and plant cells

Explanation:

3 0
3 years ago
7. Which of the following is a chemical property?
Goryan [66]

Answer:

It ability to react with oxygen.

Explanation:

Freezing point and hardness can be altered. Physical properties can also be reversed. Chemical properties on the other hand cannot. The product after reaction with an element never changes.

8 0
3 years ago
Other questions:
  • What is the one way the otter is adapted to living in the moving water of a river
    15·1 answer
  • If the δh°soln of hno3 is –33.3 kj/mol, then how much heat is evolved by dissolving 0.150 mol hno3 in 100.0 ml of water?
    9·1 answer
  • An iceberg has a volume of 0.1642 ML. What is the mass of the ice(in kg) composing the iceberg( at 0o C)? The density of ice at
    8·1 answer
  • Draw the structure of the major organic product(s for the following reaction between an acetylenic anion and an alkyl halide. (t
    5·1 answer
  • A student went outside every night for eight nights to look at the Moon. The pictures below show how the Moon looked each
    13·1 answer
  • What is the oxidation number of bromine in the BrO3- ion?<br>​
    9·1 answer
  • How many liters of oxygen (at STP) are required to form 10.5 grams of hydrogen
    5·1 answer
  • What states of matter can mechanical waves travel through? Select all that apply.
    15·1 answer
  • What's the difference between a conductor and an insulator?<br><br>I'll mark you as brainliest ​
    7·2 answers
  • A gas with a vapor density greater than that of air, would be most effectively displaced out off a vessel by?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!