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
finlep [7]
3 years ago
8

Identify a process that is NOT reversible. Identify a process that is NOT reversible. melting of snow baking of bread deposition

of carbon dioxide freezing water melting of aluminum
Chemistry
1 answer:
slega [8]3 years ago
7 0

Answer:

Identify a process that is NOT reversible.

Melting of snow

baking of bread

deposition of carbon dioxide

freezing water

melting of aluminum

Explanation:

A physical change is the one in which there is a change only in its physical state, color, the appearance of the substance. But the chemical composition of the substance remains unchanged.

It is a temporary change and can be reversed easily.

For example:

melting, freezing, deposition etc.

Baking is a permanent change and the chemical composition of the substance changes.

Hence, among the given options, baking of bread is not a reversible change.

You might be interested in
A shorter electromagnetic wave is _____.
EleoNora [17]
The correct answer is hotter
7 0
3 years ago
A compound is made up of at least
solmaris [256]
Two or more different elements
5 0
3 years ago
When an acid mixes with a bases it is called a combination reaction? <br>true<br>false​
guajiro [1.7K]
False it is actually called a neutralization reaction.
5 0
2 years ago
How does concentration affect the chemical equilibrium?
nevsk [136]
When the concentration of a reactant is increased, the chemical equilibrium will shift towards the products. More product is formed and the concentration of the reactants decreases as the concentration of the products increases.
7 0
4 years ago
Se tiene una solución acuosa 2M de carbonato de potasio. Expresar su concentración en %p/v y Normalidad.
zepelin [54]

Answer:

Normalidad = 4N

%p/V = 27.6%

Explanation:

La solución 2M de carbonato de potasio contiene 2moles de carbonato por litro de solución. La normalidad son los equivalente de carbonato de potasio (2eq/mol) por litro de solución:

2moles * (2eq/mol) = 4eq / 1L = 4N

El porcentaje peso volumen es el peso de carbonato en gramos dividido en el volumen en mL por 100:

%p/V:

Masa K2CO3 -Masa molar: 138.205g/mol-

2moles * (138.205g/mol) = 276g K2CO3

Volumen:

1L * (1000mL/1L) = 1000mL

%p/V:

276g K2CO3 / 1000mL * 100

<h3>%p/V = 27.6%</h3>
6 0
3 years ago
Other questions:
  • The building block of silicate minerals is called the _____. A) silicon-oxygen tetrahedron. B) aluminum-oxygen tetrahedron. C) s
    6·2 answers
  • What is an organic chemical?
    9·1 answer
  • 24 how many moles are in 2.04 × 1024 molecules of h2o?
    14·1 answer
  • Why are chemical equations balanced?​
    14·1 answer
  • Given the data calculated in Parts A, B, C, and D, determine the initial rate for a reaction that starts with 0.45 M of reagent
    9·1 answer
  • What is the wavelength of light emitted between the 3 rd and 1 st energy levels? 121.5 nm 94.5 nm 102.5 nm 1875 nm
    5·1 answer
  • The half-life of 3H (H-3) is 12 years. About how long does it take for 127/128 of a sample of that radionuclide to decay? (Hint:
    5·1 answer
  • Identify NaOH (aq) + HNO3(aq) → NaNO3(aq) + H2O(1)
    5·1 answer
  • Need the ionic formula
    10·1 answer
  • What is defined as the basic unit in the metric system that describes a quality
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!