Water can be separated into hydrogen and oxygen gas via electrolysis in the following equation. 2H20 -> 2H2 +O2
What type of reaction is this.

Answer:

In atomic number

And size

And nature of each (metal, non, or metalloide)

[tex]\Large \boxed{\sf by \ their \ properties}[/tex]

Every element has a set of particular characteristics. Each has a unique atomic and mass number because they contain a different ratio of protons and neutrons. The number of protons in an element mirrors the element's atomic number. The mass number equals the sum of the element's protons and neutrons.

According to increasing atomic numbers, chemical elements get organized. Periods and groups are the names of the horizontal rows and vertical columns, respectively. The chemical characteristics of elements within the same group are comparable due to their similar valency and number of outer electrons.

Answer:

The thickness of the metal sheet is 0.162 centimeters.

Explanation:

If mass within the coin is uniformly distributed, then the density ([tex]\rho[/tex]), measured in grams per cubic centimeter, can be represented by the following formula:

[tex]\rho = \frac{m}{\frac{\pi}{4}\cdot D^{2}\cdot z }[/tex] (1)

Where:

[tex]m[/tex] - Mass, measured in grams.

[tex]D[/tex] - Diameter, measured in centimeters.

[tex]z[/tex] - Thickness, measured in centimeters.

If we know that [tex]m = 83.956\,g[/tex], [tex]D = 8.62\,cm[/tex] and [tex]\rho = 8.90\,\frac{g}{cm^{3}}[/tex], then the thickness of the coin is:

[tex]z = \frac{m}{\frac{\pi}{4}\cdot D^{2}\cdot \rho }[/tex]

[tex]z = \frac{83.956\,g}{\frac{\pi}{4}\cdot (8.62\,cm)^{2}\cdot \left(8.90\,\frac{g}{cm^{3}} \right) }[/tex]

[tex]z = 0.162\,cm[/tex]

The thickness of the metal sheet is 0.162 centimeters.

Explanation:

In balancing chemical equations, the law of conservation of matter must be strictly obeyed.

By the virtue of this, the following steps are usually taken:

Answer:

the answer would be 3 4 2 1

Explanation:

Given

Reaction

C+02 = CO2

Required

The equilibrium constant

Solution

The equilibrium constant is the ratio of concentration or pressure between the product and the reactant with each reaction coefficient raised  

The equilibrium constant is based on the concentration (Kc) in a reaction  

pA + qB -----> mC + nD  

[tex]\large {\boxed {\bold {Kc ~ = ~ \frac {[C] ^ m [D] ^ n} {[A] ^ p [B] ^ q}}}}[/tex]

So for the reaction :

C+O₂ ⇔ CO₂

[tex]\tt Kc=\dfrac{[CO_2]}{[C][O_2]}[/tex]

Answer:

im pretty sure c

Explanation:

Answer:

13 M

Explanation:

Molar mass of AgCIO4 = 207 g/mol

Number of moles of AgCIO4= 134/207= 0.65 moles

Number of moles= concentration × volume

Concentration = number of moles/volume

Concentration = 0.65 × 1000/50 = 13 M

Answer:

See explanation

Explanation:

According to Louis de Broglie, particles could exhibit wavelike properties and have an associated wavelength.

Now for a turtle with a mass of 450. g, 29. cm long, moving at 2.7 cm/s, recall that we can only describe a by quantum mechanics when the body is very small and its associated wavelength is large.

This object has a large mass, hence it is discussed by classical rather than quantum mechanics

Answer:

mechanical energy

Explanation:

Answer: The Eurasian Plate or both the Eurasian and Pacific Plate.

Explanation:

Answer:

The theory of continental drift is most associated with the scientist Alfred Wegener. In the early 20th century, Wegener published a paper explaining his theory that the continental landmasses were “drifting” across the Earth, sometimes plowing through oceans and into each other.

Explanation:

PLEASE MARK ME AS BRAINLIEST

Answer:

The scientist Alfred Wegener.

Explanation:

A. It is in the gas phase. The carbon dioxide in at -20°C and 1 atm pressure is in the gas phase.

Carbon dioxide is an odorless, colorless, barely acidic, and non-flammable gas at room temperature (20–25 C). A molecule having the chemical formula CO2 is carbon dioxide.

The general Y-shape of the phase diagrams for water and carbon dioxide is the same, although they are offset from one another. This change happens because the liquid phase in ice can occur at lower temperatures and pressures than it can in dry ice, which can only happen at greater temperatures and pressures.

A gas, solid, or liquid form of carbon dioxide is possible. Beer and soft drinks are generally carbonated using gaseous carbon dioxide. It also functions as a chemical in the purification of water.

To know more about the gas phase visit:

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#SPJ1

Answer:

i think it would be c

Explanation:

sorry if it is wrong

Answer:

2NaClO₃ -> 2NaCl + 3O₂

Explanation:

The number of atoms in the reactants has to equal the number of atoms in the products.

Hope that helps.

Answer:

I believe it is 1771 divided by 4

Explanation:

Answer:

Option "B" is correct answer ot the following question.

Explanation:

Cyclohexanol is a derivative that is alicyclic. It is manufactured industrial purposes from phenol through hydrolysis in the presence of catalysts of Ni/Al 2 O 3. It is also generated from cyclohexane in the existence of Co 3 O 4 nanocrystals through oxidation with organic molecules.

The mass of lithium metal that is used in lithium batteries is 6.17 grams,  this can be calculated by using number of moles formula.

It is defined as the ratio between mass and molar mass.

It is given by:

Number of moles = mass / Molar mass

What information do we have?

Number of moles= 0.89 moles

Molar mass of Lithium metal= 6.941 g/mol

To find:

Mass of Lithium metal=?

On substituting the values

n= m/M

0.89 = m/ 6.941

m= 0.89*6.941

m= 6.177 grams

Thus, the mass of lithium metal is 6.177 grams.

Find more information about Number of moles here:

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Answer:

A Variac or Powermite; gradually; 50-60%.

Explanation:

A chemical reaction can be defined as a chemical process which typically involves the transformation or rearrangement of the atomic, ionic or molecular structure of an element through the breakdown and formation of chemical bonds to produce a new compound or substance.

Some of the laboratory apparatus (equipment) used for conducting a chemical reaction are conical flask, Bunsen burner, beaker, tongs, crucible, round bottom flask etc.

In order to heat a round bottom flask in a heating mantle, plug the heating mantle into a Variac or Powermite which is typically used for controlling the level of temperature. Turn the heat up gradually, and do not exceed 50-60% of the maximum output of the device, so as to avoid any electrical issues such as overloading, short-circuit etc.

The safety precautions that must be taken when using a round bottom flask are;

I. A proper inspection of the round bottom flask for cracks, irregularities or any imperfection.

II. Ensure you avoid heating the flask while it is closed.

III. When suspending the round bottom flask on a stand, you should ensure that you use a clamp for stability.

Answer:

*helps and doesnt get deleted*

Explanation:

Answer:

One week.

Explanation:

I would think one month because on weather websites you can see a month of weather. But the closer the day your looking at the prediction will be more accurate.

The most accurate range of data for weather forecasting is: A. one week.

Weather can be defined as the average atmospheric conditions of a particular area (region) over a short period of time.

Some examples of the elements of weather include the following:

In meteorology, the most common forecasted element of weather is temperature (degree of hotness or coldness) and it usually done a weekly basis such as one week.

Read more on weather here: https://brainly.com/question/24730207

Answer:

the moral amount of the gas.

Answer:

C)0.19 mol/L .

Explanation:

Hello!

In this case, since the chemical reaction between sodium hydroxide and sulfuric acid is:

[tex]H_2SO_4+2NaOH\rightarrow Na_2SO_4+2H_2O[/tex]

Whereas a 1:2 mole ratio is seen between the acid and the base, we can write:

[tex]2*M_{acid}V_{acid}=M_{base}V_{base}[/tex]

In such a way, we solve for the concentration of base and plug in to obtain:

[tex]M_{base}=\frac{2*M_{acid}V_{acid}}{V_{base}} \\\\M_{base}=\frac{2*0.13mol/L*14.9mL}{20mL} \\\\M_{base}=0.19mol/L[/tex]

Thus, the answer is C)0.19 mol/L

Best regards!

Answer:

Read this section of the text:

These raptors eat primarily flying insects, so they do most of their hunting on the wing.

What does primarily mean in this sentence?

Explanation:

I'm bored

Answer:

i am 50/50 at the memoent but i have a feeling it is the cytoplasm as it isnt a cell like the others. Hope this helps :(

Explanation:

The volume of the gas : V = 13.243 L

Given

n = 0.25 mole

P = 0.5 atm

T = 50 + 273 = 323 K

Required

The volume

Solution

Ideal gas law

PV=nRT

R = gas constant = 0.082 L.atm/mol K

V = nRT/P

Input the value :

V=0.25 x 0.082 x 323 / 0.5

V = 13.243 L

Answer:

Mass = 112 g

Explanation:

Given data:

Mass of CO₂ produced = 90.6 g

Mass of oxygen needed = ?

Solution:

Chemical equation:

C₃H₈ + 5O₂       →      3CO₂+ 4H₂O

Number of moles of CO₂:

Number of moles = 90.6 g/ 44 g/mol

Number of moles = 2.1 mol

Now we will compare the moles of  CO₂ and oxygen:

                 CO₂           :           O₂

                    3             :            5

                    2.1           :        5/3×2.1 = 3.5

Mass of oxygen needed:

Mass = number of moles × molar mass

Mass = 3.5 mol × 32 g/mol

Mass = 112 g

The net ionic equation : Ag⁺(aq)+l⁻(aq) ⇒ Agl(s)

Given

Reaction

AgF(aq)+Nal(aq) ——> Agl(s)+NaF(aq)

Required

The net ionic equation

Solution

The equation of a chemical reaction can be expressed in the equation of the ions

In the ion equation, there is a spectator ion that is the ion that does not react because it is present before and after the reaction  

When these ions are removed, the ionic equation is called the net ionic equation  

AgF(aq)+Nal(aq) ——> Agl(s)+NaF(aq)

Ag⁺(aq)+F⁻(aq)+Na⁺(aq)+l⁻(aq) ⇒ Agl(s)+Na⁺(aq) + F⁻(aq)

Ag⁺(aq)+l⁻(aq) ⇒ Agl(s)

Answer:

number of protons is more than the number of electrons.

Explanation:

A cation is a positively charged ion.

An ion is an atom that has lost or gained electron(s). In an ion, the number of protons and electrons are not the same.

Number of protons is the number of positively charged particles

Number of electrons is the number of negatively charged particles.

 For a cation, which is positively charged, the number of protons is more than the number of electrons.

Therefore, in cations, we have more protons than electrons.

Answer:

dora needs help

Explanation:

Answer:

...........................

Answer:

1. Element

2. Compound

3. Mixture

Explanation:

Elements and compounds are both pure substances. ELEMENTS are substances that contain only one type of atom. For example, Cl2 contains only chlorine atoms. COMPOUNDS, on the other hand, contain atoms of two or more elements that are chemically joined together. For example, CaCl2 contains atoms of calcium and chlorine.

MIXTURES are another kind of substances that contains more than one substances, however, unlike compounds, they are not chemically joined. Mixtures can easily be separated by physical means.