The reaction in which H2O(l) is decomposed into H2(g) and O2(g) is thermodynamically unfavorable (ΔG°>0). However, an electrolytic cell, such as the one represented above, can be used to make the reaction occur. Which of the following identifies a flaw in the representation?

Answer:

sp3d

Explanation:

The ground state electronic configuration of tin is; [Kr] 5s²4d¹⁰5p². Hybridization is a valence bond concept that postulates that orbitals of appropriate energy could be mixed in order to produce suitable orbitals that could be used for bonding.

In the formation of Snf5^ -1, there is a hybridization of the 5p, 5d and 6s orbitals to yield the sp3d orbitals required for the formation of the chemical specie hence the answer.

D.) endothermic reaction

Answer:

Explanation:

Although stochiometry is very scary loking math it is very easy and and fun to learn.

First Balance the chemical equation (Meaning there are equal amounts of elements at end and begining

Second Convert your units to mols

mols are what allows for stochiometry math to work to know how to find the mols takes practice and knowing when to write the math.

Then from there is just knowing how to go from grams to kg or g to mg and etc

Answer:

weak

Explanation:

this is my best guess

There are two types of chemical compound one is covalent compound and other is ionic compound, covalent compound formed by sharing of electron and ionic compound formed by complete transfer of electron. Therefore, the correct option is option D that is sulfide.

Chemical Compound is a combination of molecule, Molecule forms by combination of element and element forms by combination of atoms in fixed proportion. Ionic compound. Ionic compound are very hard. They have high melting and boiling point because of strong ion bond.

The valency of group 2 element is +2 so, the anion that is required to form a compound with these element in a 1:1 ratio must have valency of -2. the only anion in th given option which have -2 valency is sulfide.

Therefore, the correct option is option D that is sulfide.

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Answer:

Tho oil that Syncrude mines from the Athabasca Tar Sands contains large amounts of undesirable sulfur. To remove most of the sulfur, Syncrude uses a chemcial process known as the Claus process, which results in a low-sulfur “sweet” crude oil.

Explanation:i found this online hope it helps

Isabella has a pool that has an area of 678.32 dam² while Taddeo has one of 865.42 m². Which pool has the largest surface area?

Solution :

We know, 1 dam² = 100 m².

So, area of Isabella pool in m² is :

A = 678.32 × 100 m² = 67832 m² .

Therefore, area of Isabella is greater that volume of Taddeo .

Answer:

C2H5OH + 3O2 → 2CO2 + 3H2O

Explanation:

Answer:

i think its the first one

Explanation:

i could be wrong

Answer:

h2o,H,O are some of the elements

Answer:

1.c 2.j 3.h 4.a 5.d 6. b 7.k 8.e

Explanation:

Answer:

can you show us question 3 pls

Explanation:

Answer:

A grassland

Explanation:

Based on the information provided, the ecosystem that is most likely to have a large number of plants that need rich soil and lots of sunlight to grow is a grassland, which is in option A.

The plant in the photo requires rich soil and lots of sunlight to grow. Therefore, the ecosystem that is most likely to have a large number of these plants is the one that meets these requirements. A grassland is an ecosystem that receives a lot of sunlight and has nutrient-rich soil, which makes it a potential habitat for such plants. A taiga, on the other hand, is characterized by cold temperatures and acidic soil, which may not support the growth of plants that need rich soil and sunlight.

Hence, based on the information provided, the ecosystem that is most likely to have a large number of plants that need rich soil and lots of sunlight to grow is a grassland, which is in option A.

Learn more about the plants here.

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Answer:

c

Explanation:

took it

Answer:

An additional advantage of asexual reproduction is that colonization of new habitats may be easier when an individual does not need to find a mate to reproduce. During sexual reproduction the genetic material of two individuals is combined to produce genetically diverse offspring that differ from their parents.

Explanation:

An organism has many benefits for having the ability to reproduce both sexually and asexually. The first of these benefits is that it doesn't have to find a mate in order to reproduce, so it can create offspring by itself, and enable the continuation of its' species.

If you need more help on this subject, don't be afraid to ask me. I'm willing to help.

Answer:

umm

Explanation:

Answer:

Freezing T° of solution = - 3.72°C

Boiling T° of solution =  101.02°C

Explanation:

To solve this we apply colligative properties. Firstly, freezing point depression:

ΔT = Kf . m . i

ΔT = Freezing T° of pure solvent - Freezing T° of solution

Kf = Cryoscopic constant, for water is 1.86 °C/m

m = molality (moles of solute in 1kg of solvent)

i = Ions dissolved in solution

Our solute is sucrose, an organic compound so no ions are defined. i = 1.

Let's determine the moles: 68.4 g . 1mol/ 342g = 0.2 moles

molality = 0.2 mol / 0.1kg of water = 2 m

We replace data: ΔT = 1.86°C/m . 2m . 1

Freezing T° of solution = - 3.72°C

Now, we apply elevation of boiling point: ΔT = Kb . m . i

ΔT = Boiling T° of solution - Boiling T° of  pure solvent

Kf = Ebulloscopic constant, for water is 0.512 °C/m

We replace:

Boiling T° of solution - Boiling T° of pure solvent = 0.512 °C/m . 2 . 1

Boiling T° of solution = 0.512 °C/m . 2 . 1 + 100°C → 101.02°C

Answer:

b is your answer

Explanation:

Answer:

D.) 1.71 M NaCl

Explanation:

Molarity equation: M= n/v

n= moles of solute

v=liters of solution

NaCl= 58.443 g/mol

30g NaCl / 58.443g/mol = 0.5133(this is n)

0.5133 mols/0.300 L=1.71115674 M

Answer:

Think sorry if i did it wrong The molar mass that is the mass of 6.022 X 1023 atoms of helium is 4g. Hence 1 mole of He = 4 g of He = 6.022 X 1023atoms of He. 1 g of He = (6.022 X 1023) / 4 atoms of He. 52 g of He = (6.022 X 1023X 52 ) / 4 atoms of He.

For Helium,

Number of atoms=Number of moles ×6.022×1023

No of Moles = 6.022×10

2312.044×10

23 = 2.

Now, atomic mass of He=4

Weight = 2×4 = 8 g

The molar mass that is the mass of 6.022 X 1023 atoms of helium is 4g. Hence 1 mole of He = 4 g of He = 6.022 X 1023atoms of He. 1 g of He = (6.022 X 1023) / 4 atoms of He. 52 g of He = (6.022 X 1023X 52 ) / 4 atoms of He.

As we know, gram atoms = gram mole

here, no of moles = 23/46 =2 so no of gram atoms are 2.

Explanation:

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Answer:

B and C

Explanation:

powder dissolve faster than particles

the higher the temperature the faster the dissolving process

Answer:

the answer is true

please mark brainlist

Answer: aerodynamic force

Explanation:

The time-varying aerodynamic force causes the ball to move erratically. This motion is the source of the "dancing" knuckleball that confuses both batters and catchers alike.

Answer:

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Answer:

The hydroxide [OH-] concentration of the solution is 1.26*10⁻⁵ M.

Explanation:

The pOH (or potential OH) is a measure of the basicity or alkalinity of a solution.

POH indicates the concentration of hydroxyl ions [OH-] present in a solution and is defined as the negative logarithm of the activity of hydroxide ions (that is, the concentration of OH- ions):

pOH= -log [OH-]

A solution has a pOH of 4.90. Replacing in the definition of pOH:

4.90= -log [OH-]

Solving:

-4.90= log [OH-]

1.26*10⁻⁵ M= [OH-]

The hydroxide [OH-] concentration of the solution is 1.26*10⁻⁵ M.

Answer: distance to epicenter: 7600 km, s-wave travel time: 20 minutes

Answer:

1Cu --> 1Cu+2 + 2e

2e +1S-->1S-2

Cu + S --> CuS

Explanation:

Answer:

Why do animals and plants have different habitats?

This is because the planet has different climates and different environments in every continents, organisms have evolved and adapted to these factors, that is why they have different habitats as well.

It is safe to say that organisms and their environment really are interrelated and needs each other in order to survive and continue.

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Answer: The product and reactant must be balanced

Explanation:

Answer:

When waves travel from one medium to another the frequency never changes. As waves travel into the denser medium, they slow down and wavelength decreases. Part of the wave travels faster for longer causing the wave to turn. The wave is slower but the wavelength is shorter meaning frequency remains the same.