Use the picture below to answer the question. Comparing Wave A (blue) to Wave B (red), Wave B has a

Answer:

The answer is True.

Explanation:

The sentence above is true it all adds up.

The flow of charged particles is called electricity. The flow of electrons around a circuit is called electric current.

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When NaOH solution is accidentally spilled on your skin while trying to transfer it into a pH paper, one should rinse the exposed skin with water.

Chemical reagents can be found in the laboratory and are harmful to the human skin.

However, when transferring an alkaline solution of NaOH to the pH paper and one accidentally splashes it onto the skin, water should be poured to the affected part immediately.

The water washes away the chemical before it starts to have negative effect on the skin.

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Answer:

A) Tell your teacher right away

E) Rinse the exposed skin with water

Explanation:

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Answer:

B

Explanation:

We can use Planck's equation. Recall that:
[tex]\displaystyle E = h\nu[/tex]

Where h is Planck's constant and ν is the frequency.

We also have that:
[tex]\displaystyle \lambda \nu = c[/tex]

Where c is the speed of light and λ is the wavelength. Hence:

[tex]\displaystyle \nu = \frac{c}{\lambda}[/tex]

Therefore:
[tex]\displaystyle E= h\left(\frac{c}{\lambda}\right)[/tex]

Solving for λ yields:
[tex]\displaystyle \lambda = \frac{hc}{E}[/tex]

Hence substitute. Recall that h = 6.626 × 10⁻³⁴ Js and c = 2.998 × 10⁸ m/s:

[tex]\displaystyle \begin{aligned} \lambda & = \frac{(6.626\times 10^{-34}\text{ Js})(2.998\times 10^8\text{ m/s})}{4.56\times 10^{-19} \text{ J}} \left(\frac{1\times 10^9\text{ nm}}{1\text{ m}}\right) \\ \\ & = 436\text{ nm}\end{aligned}[/tex]

In conclusion, our answer is B.

The correct definition of oxidation in terms of oxygen, electron and hydrogen is added, lost , lost, (Row B).

An oxidation reaction is a reaction in which the oxidation number if the reacting species increases in a positive direction.

Therefore, the correct definition of oxidation in terms of oxygen, electron and hydrogen is added, lost , lost, (Row B).

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Answer:

hamburger

yes yes

Explanation:

none lol

The ionic compound are crystalline solids at room temperature

Explanation:

they are quite strong because they contain strong ionic bonds

At the room temperature, ionic compound will be crystalline solids.

Ionic compounds are made up of ions kept together by the attraction of oppositely charged ions. One of the most well-known ionic compound is common salt (NaCl). Molecular compounds are made up of separate molecules that are bonded together through electron sharing.

The elements of a crystalline solid are grouped in a tightly packed microscopic structure, generating a crystal lattice that stretches in all directions.

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The answer that  best describes what is happening in the redox reaction 4Fe + 3O2 -> 2Fe2O3 is Iron is oxidized to form rust.

Rusting is known to be a form o oxidation reaction. An iron  is known to often reacts together with the elements of water and oxygen to bring about hydrated iron(III) oxide ( rust).

Conclusively, Always note that an Iron and steel rust is formed when these elements are said to come into any form of contact with water and oxygen as as thus rusting takes place  just as seen in the redox reaction above.

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Which answer best describes what is happening in the following redox reaction?

4Fe + 3O2 -> 2Fe2O3

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Answer:

c

Explanation:

Answer:

Formula of water:H2O

Formula of potassium chloride:KCl

CO2 and H2O react to form H2CO3 and two bonds are broken each in CO and H2O to form H2CO3.

Chemical bonding refers to the forces of attraction which hold atoms of the same or different elements together in order to form stable compounds or molecules .

Chemical bonding may be either ionic or covalent.

The greater the number of bonds in a compound, the more stable the compound.

During chemical reactions, bonds are broken and new binds are formed.

There are two bonds each in CO2 and H2O.

This, in the reaction between CO2 and H2O react to form H2CO3, , the number of bonds broken in H2O is two and in CO2 is two.

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Answer:

that is all I know sorry hope that may help you :)

Explanation:

Indicator is a substance which shows different colors in acidic and basic medium. Indicators can be natural (derived from natural sources) or artificial ( man-made) for example :

*Litmus is an indicator. Acid turns blue litmus into red while base turns red litmus into blue

* Turmeric solution does not show change in color (remains yellow) in acidic solution and turns red in basic solution.

Answer:

The answer would be C. Flowing water is where you get energy from hydroelectric dams.

Answer: 4707 J

Explanation:

Answer:

329.65 K

Explanation:

56.5°C + 273.15 K= 329.65 K.

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Answer:

7 hours……….5 days……….36 weeks

————- X ————— X ———————

1 day…………..1 week…………..1 year 

how many hours per year does a high school student spend in school?

1260 hours per year

Explanation:

Answer:

7 hours...............5 school days.......36 school weeks

-------------------X-----------------------X---------------------------

1 school day......1 school week.......1 school weeks

1,260 hours per week

Explanation:

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Answer: look down hope I helped

Explanation:

1) First convert to pOH as OH is the dissociating species in a base equilibrium.pH + pOH = 14 (at 25 C)pH=13, hence pOH = 1,Hence [OH] = 10^-1 Mdiluting by factor of 10 with pure water gives [OH] = 10^-2 MThe new pOH = 2, hence the new pH is 12In general, dilution (with pure water) by a factor of 10 moves the pH 1 unit in the direction of the pH of water (pH 7). i.e. it moves up for acids, down for bases.(At infinite dilution of either acids or bases, you’d have pure water - obvious when you think of it like that)

Answer: it has full valence shells

Explanation: Hope this is it

Answer:

Neon, along with helium, argon, krypton and xenon, make up the group known as noble gases. These are the most stable and least reactive elements due to having full valence shells (the outer shell has the max number of electrons, two for helium, eight for the rest).

Explanation:

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Tori

Answer: PO43

Explanation: The structure and formula are as follows: The chemical structure of phosphate is PO43-.

The molecular mass is 94.97 g/mol.

The pressure of the given mol of fluorine as an ideal gas at the given temperature and volume is 1.96atm.

The Ideal gas law or general gas equation emphasizes on the state or behavior of a hypothetical ideal gas. It states that "the pressure multiplied by volume is equal to moles multiply by the universal gas constant multiply by temperature.

It is expressed as;

PV = nRT

Where P is pressure, V is volume, n is the amount of substance, T is temperature and R is the ideal gas constant ( 0.08206 Latm/molK )

Given the data in the question;

To determine the pressure of the fluorine gas, we substitute our values into the expression above.

PV = nRT

P = nRT / V

P = ( 4.80mol × 0.08206Latm/molK × 298K ) / 60.0L

P = 117.378624Latm / 60.0L

P = 1.96atm

Therefore, the pressure of the given mol of fluorine as an ideal gas at the given temperature and volume is 1.96atm.

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Answer:

Hg+2 + 2Cl- -> HgCl2

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Explanation:

The mass of carbon that resulted from the decomposition of 37 L of carbon dioxide is 19.8 g

CO₂ —> C + O₂

From the balanced equation above,

1 L of CO₂ decomposed to produce 1 L of C.

Therefore,

37 L of CO₂ will also decompose to produce 37 L of C

At standard temperature and pressure (STP),

22.4 L = 1 mole of C

Therefore,

37 L = 37 / 22.4

37 L = 1.65 mole of C

Thus, the mass of Carbon can be obtained as follow:

Mass = mole × molar mass

Mass of C = 1.65 × 12

Mass of C = 19.8 g

Thus, 19.8 g of carbon were obtained from the reaction.

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Answer:

Beacause  it does  just in a different place

Explanation:

Because the Earth's orbit around the sun differs from the Moon's orbit around the Earth, lunar eclipse don't happen every month.

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The role of conservation of linear momentum is important to your safety as a pedestrian or a motorist because you will avoid being hit by car.

The principle of conservation of linear momentum states that the sum of the initial momentum of an isolated system is equal to the sum of the final momentum.

The role of conservation of linear momentum is important to your safety as a pedestrian or a motorist because you will avoid being hit by car which is in motion, knowing that impulse you will receive will be equal to the change in the momentum of the car.

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Answer:

Your answer is  probe and a meter.

Explanation:

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