How would Bohr model show the protons in a carbon atom

Answer:

2:1 of Tc in the periodic table

Answer:

vibration of particles...........

Answer:

Explanation:

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This particle, an/a ___ has a negative charge

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Tuto questions in Chemistry

This particle, an/a ___ has a negative charge

The COD of a water sample is found to be 30 mg of O, per liter. What vol- ume of 0.0020 MK,Cr, will be required to titrate a 50-ml sample of the water…​

The COD of a water sample is found to be 30 mg of O, per liter. What vol- ume of 0.0020 MK,Cr, will be required to titrate a 50-ml sample of the ains the same throughout the diagram. OC The graph starts at a lower energy value and ends at a higher energy value. Od The potential energy of the products is equal to the potential energy of the reactants.

Energy and Chemical Reactions: Mastery Test 4 Select the correct answer. Which factor is defined as the average kinetic energy of a substance? A. the …mass of the substance B. the volume of the substance C. the pressure of the substance D. the temperature of the substance ​

2 Select the correct answer. Which is a form of kinetic energy? OA gravitational energy OB. chemical energy OC. electrical energy D. sound energy ​

23.4 grams of Al2(SO3)3 is yielded through a chemical reaction. How many moles is this?

What is the solubility of NaNO3 at 75C (graphed)

5. Find the molecular formula for a compound with a mass of 40 amu and the empirical formula C2H4.​

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Chemical equilibrium is a dynamic equilibrium whereby the forward and backward reactions are occurring at the same rate.

Chemical equilibrium refers to a situation in which the forward reactions and the backward reactions in a reversible reaction are occurring at the same same same rate.

Factors that affect equilibrium include:

For a closed reaction system in equilibrium, the equilibrium position of the reaction will adjust to nullify any changes imposed on the system.

Therefore, chemical equilibrium is a dynamic equilibrium.

Learn more about chemical equilibrium at: https://brainly.com/question/5081082

Answer:

Explanation:

1 mole of nickel contains 6.02 * 10^23 atoms

3.63 mols of nickel contain x atoms.

What you have is a proportion. A proportion consists of 2 ratios or 4 parts.

Of the 4 parts, you know three of them. The problem is to solve for the 4th.

1/3.63 = 6.02*10^23 / x               Cross multiply

x = 3.63 * 6.02* 10^23                Combine the right.

Answer: x = 2.19*10^24 atoms

Answer:

Its phosphorus (P)

Explanation:

In writing the electron configuration for Phosphorus the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons the next 2 electrons for Phosphorous go in the 2s orbital. The next six electrons will go in the 2p orbital. The p orbital can hold up to six electrons. We'll put six in the 2p orbital and then put the next two electrons in the 3s. Since the 3s if now full we'll move to the 3p where we'll place the remaining three electrons. Therefore the Phosphorus electron configuration will be 1s22s22p63s23p3.

Answer:

Balanced equation: Zn (NO 3) 2 + 2 NH 4 OH = 2 NH 4 NO 3 + Zn (OH) 2 Reaction type: double replacement

Explanation:

Answer:

Earthquakes

I might be wrong. Hope this helps

Answer:

earthquake

Explanation:

they all can cause house break and people die dangerous

Now

[tex]\\ \rm\rightarrowtail PV=nRT[/tex]

[tex]\\ \rm\rightarrowtail n=\dfrac{PV}{RT}[/tex]

[tex]\\ \rm\rightarrowtail n=\dfrac{89.9(25)}{5R}[/tex]

[tex]\\ \rm\rightarrowtail n=89.9(5)/R[/tex]

[tex]\\ \rm\rightarrowtail n=449.5/R mol[/tex]

Answer:

8 grams

Explanation:

trust

Answer:

6

Explanation:

Glucose has a chemical formula of: C6H12O6 That means glucose is made of 6 carbon atoms, 12 hydrogen atoms and 6 oxygen atoms.

The mass of NH₃ : = 17.629 g

Further explanation

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products.

Given

125 g NCl₃

Required

The mass of NH₃

Solution

mol NCl₃(molar mass : : 120.5 g/mol)

= 125 g : 120.5 g/mol

= 1.037

From the equation, mol ratio NCl₃ : NH₃ = 1 : 1, so mol NH₃ = 1.037

Mass NH₃(molar mass : 17 g/mol) :

= 1.037 x 17

= 17.629 g

Answer:

Metals tend to lose electrons in chemical reactions, as indicated by their low ionization energies. Within a compound, metal atoms have relatively low attraction for electrons, as indicated by their low electronegativities.

The molarity of a solution that contains 35.00 g of CuSO4 dissolved in 250.0 mL of water is 0.88M.

The molarity of a solution can be calculated using the following formula:

Molarity = no of moles/volume

According to this question, a solution consists of 35.00 g of CuSO4 dissolved in 250.0 mL of water.

no.of moles of CuSO4 = 35g ÷ 159.6g/mol

no. of moles of CuSO4 = 0.22 moles

Therefore; molarity of CuSO4 solution is calculated as follows:

M = 0.22 ÷ 0.25

M = 0.88M

Therefore, the molarity of a solution that contains 35.00 g of CuSO4 dissolved in 250.0 mL of water is 0.88M.

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Fill to the 250-mL mark with water after mixing a tiny amount of water with the solute to dissolve it.

Answer:

2.25 moles

Explanation:

thats correct answer

Thank you

If 0.380 mol of barium nitrate is allowed to react with an excess of phosphoric acid, 0.127 moles of barium phosphate could be formed.

The number of moles of a compound can be calculated stoichiometrically as follows:

Based on this question, the following chemical equation is given:

Ba (NO3)2+ H3PO4 → Ba3(PO4)2+ HNO3

The balanced equation is as follows:

3Ba(NO3)2 + 2H3PO4 → Ba3(PO4)2 + 6HNO3

3 moles of barium nitrate produces 1 mole of barium phosphate

Therefore, 0.380 moles of barium nitrate will produce 0.380/3 = 0.127moles of barium phosphate.

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Answer:21 moles of PbCl2 formed

Answer: O2

Explanation:

The balanced chemical equation is:

4 Cr + 3 O2 ---> 2 Cr2O3

4 mol of Cr reacts with 3 mol of O2 to form 2 mol of Cr2O3

For 14.8 mol of Cr, 11.1 mol of O2 is required

But we have 10.3 mol of O2

So, O2 is the limiting reagent

Answer:

The measurement of the mass of nuclei has revealed that the mass of the constituent protons and neutrons is more than the mass of the nucleus

Explanation:

Hope this helps ya have a nice day

Answer:

0.1443194637888042 moles

Explanation:

Hope This Helps

Have A Great Day

~Zero~

The volume of the 0.279 M Ca(OH)₂ solution required to neutralize 24.5 mL of 0.390 M H₃PO₄ is 51.4 mL

2H₃PO₄ + 3Ca(OH)₂ —> Ca₃(PO₄)₂ + 6H₂O

From the balanced equation above,

MaVa / MbVb = nA / nB

(0.39 × 24.5) / (0.279 × Vb) = 2/3

9.555 / (0.279 × Vb) = 2/3

Cross multiply

2 × 0.279 × Vb = 9.555 × 3

0.558 × Vb = 28.665

Divide both side by 0.558

Vb = 28.665 / 0.558

Vb = 51.4 mL

Thus, the volume of the Ca(OH)₂ solution needed is 51.4 mL

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2KOH --> K²O + H²O

Explanation:

Potassium Hydroxide = KOH

Potassium oxide = K²O

Water = H²O

KOH --> K²O + H²O

K = 1. K = 2.

2KOH --> K²O + H²O

O = 2. O = 2.

H = 2. H = 2.

Balanced symbol = 2KOH --> K²O + H²O

Balanced word = 2Potassium Hydroxide --> Potassium oxide + Water.

Answer:

False.

Explanation:

If the answer to this question was true, then that would mean that the more the solute is broken down, the less it'll dissolve... and everyone know that this doesn't make sense. I hope I explained this is an easy manner so you could understand! Good luck! :)

The more solute is broken down in solution the more conductive the solutions is and the statement is False.

Conductivity depends upon solvation of ions present in solution. Greater the solvation of ions, lesser is the conductivity.

Solvation is the process in which molecules of a solvent attract the particles of a solute.

The main forces in solvation are ion-dipole and hydrogen bonding attractions.

The more concentrated a solution is, the greater the conductivity measured (if the solute is a conductor in solution). This is because the higher the concentration of the solute, the more ions will be available to carry electric charge.

Therefore, the more solute is broken down in solution the more conductive the solutions is and the statement is False.

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Answer:

The use of pomace for animal feed might be chosen if minimizing production costs is desired

Explanation:

i've taken the test

The use of pomace for animal feed might be chosen if minimizing production costs is desired. Therefore, the correct option is option D.

The solid byproduct of pressing grapes, olives, or even other fruits for juice or oil is known as pomace or marc. It includes the fruit's skins, pulp, seeds, or stems. Pomace brandy has traditionally been made from grape pomace. Currently, it is primarily used as fertilizer, animal feed, or to extract bioactive substances like polyphenols.

The Latin word "pomum" is where "pommace" comes from. The phrase "pomace" was first used by the English to describe the byproduct of making cider. Pomace wine, which had an alcohol concentration of three to four percent, was very common during the Middle Ages. The use of pomace for animal feed might be chosen if minimizing production costs is desired.

Therefore, the correct option is option D.

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Carbonic acid is a weak acid. Its weak ionization constant (Ka) is equal to:

Ka = [H⁺] [HCO₃⁻] / [H₂CO₃]

A weak acid is an acid that dissociates partially in the water.

The equation for the acid dissociation of carbonic acid is:

H₂CO₃ ⇄ H⁺ + HCO₃⁻

The weak ionization constant (Ka) is the equilibrium constant for this reaction, that is, the product of the concentration of the products divided by the product of the concentrations of the reactants, all of them raised to their stoichiometric coefficients.

Ka = [H⁺] [HCO₃⁻] / [H₂CO₃]

Carbonic acid is a weak acid. Its weak ionization constant (Ka) is equal to:

Ka = [H⁺] [HCO₃⁻] / [H₂CO₃]

Learn more about weak acids here: https://brainly.com/question/15192126

1.06g

Please refer to the image attached.

You first find the number of moles (n) for KClO3 as you have been given the mass. So n = mass/Mr gives you the moles that is 0.022 mol

Next you use the ratio 2:3 as per the equation where it's 2KClO3 ---> 3O2 so you just cross multiply and get the moles for oxygen.

Now that you know the number of moles for oxygen, you can use the same moles equation that you used earlier to find the mass. mass=n×Mr and so you get the answer as 1.06g of oxygen.

A high pressure system has higher pressure at its center than the areas around it

Scientists that work in Antarctica mostly refer to the majority of the continent as being a cold desert

Explanation: