How many grams of mgo are produced by the reaction of 25. 0 g of mg with 25. 0 g of o2?

c is the answer your looking for

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S (s) + O₂ (g) → SO₂ (aq) represents this chemical reaction

In stating a chemical equation it can be done in the form of a word or a chemical formula

A word equation will include the words of the reactants, products, form of the compound (liquid, gas, solid), the total concentration/quantity of the reactants and products which can be expressed in mass, moles, or volume

The questions statement above shows that sulfur powder (S) and oxygen gas (O₂) are reactants (located on the left of the reaction equation), and sulfur dioxide (SO₂) is the product of the reaction (stated in the problem there is the word "to form") which is located on the right

So the complete reaction

S (s) + O₂ (g) → SO₂ (aq)

Answer:

The correct answer is A

Explanation:

Answer:

mercury

Explanation:

mercury is a metal on the periodic table which is liquid at room temperature

Answer:

Stamens

Explanation:

The mass of iron which is needed to react with 16.0 grams of sulphur is 28 grams

How to balanced the given equation?

The balanced chemical equation for the reaction between iron and sulfur  to form iron sulfide is:

8 Fe + S₈ → 8 FeS

From the balanced chemical equation, we can see that 8 moles of Fe react with 1 mole of S₈ to form 8 moles of FeS.

To determine the mass of iron required to react with 16 grams of sulfur, we first need to calculate the number of moles of sulfur present in 16 grams of S.

The molar mass of S is 32.06 g/mol (the atomic mass of S is 32.06). Therefore, the number of moles of S in 16 grams is:

n(S) = m(S) / M(S) = 16 g / 32.06 g/mol = 0.499 mol

The molar mass of 8 moles of iron will be 448 grams

∴56 × 8 = 448 grams

Similarly the molar mass of S₈ will be 256 grams

∴32 × 8 = 256 grams

Therefore,

256gram of Sulphur needs 448 gram of Iron

So 16 gram of sulphur will  ?

cross multiply

The mass of Iron needed =( 16 × 448) ÷256

= 7168 ÷ 256

Hence by solving the above equation we can find the mass of iron which is 28 grams

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Answer:

The list of elements from increasing electronegativity: Calcium <  magnesium < chlorine < argon < boron.

Explanation:

In the periodic table if you move from left to right there would be an increase in the electronegativity of the elements. If you move from the bottom to the top of the groups in the periodic table the electronegativity increases and if u move to the bottom from down its decreases.

Calcium is in the 2nd group below magnesium so calcium is the least electronegative among given elements then magnesium and then chlorine as it is top of magnesium then argon, as it is right to the chlorine, and boron has the most electronegativity as it is above rest of the elements.

Three ways in which colorless compounds can be located on a TLC (Thin Layer Chromatography) slide are:

1) Iodine Staining: The TLC slide is placed in a container with iodine crystals. The iodine vapor reacts with the colorless compounds and produces a yellowish-brown stain, which helps to locate the compounds.

2) UV Light: The TLC slide is exposed to UV light. Some colorless compounds absorb the UV light and appear as dark spots on the slide.

3) Chemical Staining: The TLC slide is treated with a chemical reagent that reacts with the colorless compounds and produces a colored stain. For example, ninhydrin is used to locate amino acids and proteins on a TLC slide.

In conclusion, colorless compounds can be located on a TLC slide by using iodine staining, UV light, and chemical staining. These methods help to visualize and identify the compounds on the slide.

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Through a procedure known as polymerization, monomers are joined to produce polymers.

the process of polymerization involves the joining of monomers, or small organic molecules, to create polymers, which are larger molecules that resemble long chains. Condensation and addition polymerization are the two primary forms of polymerization.

The method of addition polymerization involves joining together monomers with double or triple bonds to create polymers without losing any atoms. Plastics such as polyethylene and polypropylene are produced using this method of polymerization.

In the process of condensation polymerization, functional monomers like amines and carboxylic acids are linked together to form polymers by removing a tiny molecule like water. Polyamides, polyesters, and polyurethanes are produced using this form of polymerization.

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Answer:

Elements

Explanation:

Elements cannot be broken down into a simpler substance

Sodium chloride dissolves well in water because it has charges that allow it to interact with water.

Ionic compounds include sodium chloride. The ions in the solute are attracted to water because it is a polar molecule. The sodium chloride crystal dissolves when the surrounding water molecules draw the sodium and chlorine ions one at a time into the solution.

The partial negative charge on the O atom of water attracts the Na+ ions because opposite charges are drawn to one another.

The ionic link that held sodium and chloride ions together is broken when water molecules force the ions apart. As seen in this picture, the sodium and chloride atoms are encircled by water molecules after the salt compounds are separated. After that, the salt dissolves and forms a homogenous solution.

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Answer:

It doesn't have measure marks on it.

Answer:

you will get 17.983 g of lithium for every 100 g of lithium phosphate.

Explanation:

69.7%  is the percent by mass of Lithium in  Li\(_3\)PO\(_3\). A percent is obtained by multiplying the result by 100.

One approach to show the concentration for an element within a compound or component in a combination is as a mass percentage. The mass percentage is computed by dividing the total weight of the combination by the mass of each component and multiplying the result by 100%. The mass percent is calculated by dividing the mass that contains the compound and solute by the mass for the element or solute.

99.795g/mol = molar mass of  Li\(_3\)PO\(_3\)

6.94g/mol = molar mass of Li

mass percentage of Li=(molar mass of Li/molar mass of Li\(_3\)PO\(_3\))×  100

=(6.94/99.7)×  100

=69.7%

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Answer:

Oxygen -02 Because it present oxygen

Answer:

I gotthe answer

Explanation:

The explanation is This

Now writing the value in sentific term

It would look like

\(4.76 \times {10}^{2} \times {10}^{ - 9} \)

\(4.76 \times {10}^{2 - 9} \)

4.76

\(4.76 \times {10}^{ - 7} \)

Now in centimeter

\(4.76 \times {10}^{ - 5} \)

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Answer:

i think it is a the full moon

The energy absorbed when 12g of liquid water raises from 55 °C to 100°C and then boils at 100°C. is 2.268 KJ.

mass of water = 12 g

specific heat capacity of water = 4.20 J/ °C

change in temperature 55 °C to 100 °C = ( 100  °C - 55 °C )

                                                                 = 45  °C

The energy absorbed = mCΔT

where , m = mass

C = specific heat capacity

ΔT = change in temperature

substituting the values in the formula :

q = mCΔT

  =  12 g × 4.20 J/g °C × 45  °C

  = 2268 = 2.268 KJ

Thus, The energy absorbed when 12g of liquid water raises from 55 °C to 100°C and then boils at 100°C. is 2.268 KJ.

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Answer:

Solids - vibrational (and rotational); moving very slowly.

Liquids - vibrational, rotational, and translational; moving quickly.

Gases - vibrational, rotational, and translational; moving very quickly.

Explanation:

Particles are always moving. No matter what. There is a certain point where they move so slowly it is considered minuscule, but they are in fact moving.

Thus, in solids, liquids, and gases, you can expect particles to move in a certain trend. That trend is average kinetic energy of the particles and the forces holding them together (attraction).

The pH of the resulting solution is approximately 4.3. To calculate the pH of the resulting solution, we need to use the equation for pH: pH = -log[H⁺]

First, let's calculate the number of moles of HCl that are present in the solution. We can use the formula:

moles = concentration * volume

Concentration of HCl = 1.0 M
Volume of HCl = 0.05 mL

= 0.05 * 10⁻³  L

= 5 * 10⁻⁵ L

moles of HCl = 1.0 M * 5 * 10⁻⁵ L

= 5 * 10⁻⁵ moles

Now, let's calculate the total volume of the resulting solution:

Total volume = 0.05 mL + 999.95 mL

= 1000 mL

= 1000 * 10⁻³ L

= 1 L

To calculate the concentration of H⁺ ions in the solution, we divide the moles of HCl by the total volume:

[H⁺] = moles of HCl / total volume

[H⁺] = 5 * 10⁻⁵ moles / 1 L

= 5 * 10⁻⁵ M

Finally, we can calculate the pH using the equation:

pH = -log[H⁺]

pH = -log(5 * 10⁻⁵)

= -(-4.3)

= 4.3

Therefore, the pH of the resulting solution is approximately 4.3.

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Answer:

b

Explanation:

Answer:-

an orbital road

Explanation:-

orbital, in chemistry and physics, a mathematical expression, called a wave function, that describes properties characteristic of no more than two electrons in the vicinity of an atomic nucleus or of a system of nuclei as in a molecule.

Related Topics:- g-orbital p-orbital f-orbital over...

Subjects Of Study:- atomic model line spectrum

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https://www.britannica.com/science/orbital

Answer:

An orbital, also called electron shell, is the path around which the electrons orbit the nucleus of the atom. It has a capacity of 2 electrons in the first orbital, and 8 in the rest. The number of orbitals in an atom can help us find out the period number of that atom.

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Mass spectrometry identifies molecules based on their molecular weight and weights of fragments formed from the molecules.

This is referred to as the measurement of the interactions between light and matter ad involves the use of different parameters.

Mass spectrometry is referred to as a tool which is used to measure the molecular weight and weights of fragments formed from the molecules in the form of mass-to-charge ratio. It is done using electric and magnetic fields so as to get the accurate result and is therefore the reason why it was chosen as the correct choice.

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Answer:

5.1 mol

Explanation:

Silver's molar mass is 107.8682

550/107.8682=5.09881503539

Or if you round it's = 5.1

Answer:

5.0

Explanation:

https://www.convertunits.com/from/grams+Silver/to/moles

this is what I used, this maybe be useful later.

Answer:

The volume of a given mas of a gas is directly proportional to the temperature if the pressure remains constant

V is directly proportional to T

V=1/T

V=constant/T

Explanation:

Charles law states that the volume occupied by a fixed amount of gas is directly proportional to its absolute temperature, if the pressure remains constant.

e.g., In winters as the temperature falls off, when you take a basketball outside in the ground the ball shrinks.

The mathematical equation that represents Charles law:

V₁/T₁ = V₂/T₂

where, V₁ = initial volume

T₁ = initial absolute temperature

V₂ = final volume

T₂ = final absolute temperature

The applications of Charles law has in daily life are:

A gas-filled balloon experiment:

If a balloon is filled with air, it will shrink when cooled and the balloon expands if heated. This happens because the air inside the balloon, which is a gas molecules, occupies a smaller volume when it is cool, and occupies  a larger volume when it is hot.

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folic Acid

Folic acid, often known as folate, is a water-soluble B vitamin that is necessary for the generation of healthy red blood cells and the regular functioning of the brain system. Folate is present in numerous foods, including leafy green vegetables, legumes, nuts, and grains. Numerous processed goods, including breakfast cereals, breads, and rice, contain it as well. Folic acid is essential for pregnant women because it prevents birth abnormalities. It is also crucial for people of all ages since it helps maintain the health and normal operation of the body's cells. Folic acid is also essential for the production and repair of DNA, as well as the breakdown of specific proteins. Without appropriate folic acid, the body cannot produce red blood cells effectively, which can result in anemia. It is essential to consume adequate amounts of folic acid through diet or supplementation.

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Therefore, the maximum volume of treated sewage that should be put in the bottle is approximately 85.71 ml.

To determine the maximum volume of treated sewage that should be put in the bottle, we need to calculate the amount of dilution required to achieve the desired dissolved oxygen (DO) concentration of at least 2.0 mg/l at the end of the test.

Given:
- Initial DO concentration (DOi) = 9.0 mg/l
- Desired DO concentration (DOf) = 2.0 mg/l
- Bottle volume = 300 ml

First, we calculate the remaining DO after the test:
Remaining DO (DOr) = DOi - DOf

Remaining DO (DOr) = 9.0 mg/l - 2.0 mg/l

Remaining DO (DOr)  = 7.0 mg/l

Next, we calculate the dilution factor:
Dilution factor = Remaining DO / DOf

Dilution factor  = 7.0 mg/l / 2.0 mg/l

Dilution factor  = 3.5

The dilution factor represents how many times we need to dilute the treated sewage.

Since the volume of the bottle is 300 ml, the maximum volume of treated sewage to be put in the bottle is:
Maximum volume = Bottle volume / Dilution factor

Maximum volume = 300 ml / 3.5

Maximum volume = 85.71 ml

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Answer:

ΔH = -1332,5 kJ/mol

Explanation:

The general equation of the enthalpy of reaction is:

AB + CD → AC + BD

ΔH =( ΔH(AC) + ΔH(BD) ) - (ΔH(AB) + ΔH(CD) )

To simplify the equations, the states of aggregation can be omitted here.

So the first equation is:

X + 12 O2 → XO     | ΔH = -954,5 kJ/mol

The equation of the enthalpy of reaction is thus:

-954,5 kJ/mol = ΔH(XO) - ( ΔH(X) + 12*ΔH(O2) )

Since the enthalpy of reaction of all pure elements is 0, the equation can be simplified:

-954,5 kJ/mol = ΔH(XO) - ( 0 + 12*0 )

ΔH(XO) = -954,5 kJ/mol

The next equation is:

XCO3 → XO + CO2    | ΔH = +378,1 kJ/mol

The equation of the enthalpy of reaction is thus:

+378,1 kJ/mol = ( ΔH(XO) + ΔH(CO2) ) - ΔH(XCO3)

+378,1 kJ/mol = -954,4 kJ/mol + ΔH(CO2) - ΔH(XCO3)

+1332,5 kJ/mol = ΔH(CO2) - ΔH(XCO3)

X + 12 O2 + CO2 → XCO3

The equation of the enthalpy of reaction is thus:

ΔH = ΔH(XCO3) - ΔH(CO2)

ΔH = -1332,5 kJ/mol