HELP! (Chemistry problem that deals with converting moles to grams and finding if the person in the world problem has enough to perform the action they wish to do)
EITHER EXPLAIN OR SHOW WORK SO I CAN HOPEFULLY UNDERSTAND THIS CONCEPT - PLEASE.

Answer: 3P4 + 10KCIO3 → 10KCI + 6P2O5

Explanation:

Answer:

3 P₄ + 10 KClO₃ -----> 10 KCl + 6 P₂O₅

Explanation:

Remember, the reactants are the species taking part in the reaction (left side) and the products are the species being created (right side). An equation is balanced when there is an equal amount of each element on both sides of a reaction. If the amounts are unequal, you can modify them by adding coefficients to change the quantity of particular compounds/molecules.

Unbalanced Equation:

P₄ + KClO₃ -----> KCl + P₂O₅

Reactants: 4 phosphorus, 1 potassium, 1 chlorine, 3 oxygen

Products: 2 phosphorus, 1 potassium, 1 chlorine, 5 oxygen

Balanced Equation:

3 P₄ + 10 KClO₃ -----> 10 KCl + 6 P₂O₅

Reactants: 12 phosphorus, 10 potassium, 10 chlorine, 30 oxygen

Products: 12 phosphorus, 10 potassium, 10 chlorine, 30 oxygen

Answer: helium

Explanation:

The noble gas that is not neon and has a mass less than 30 is helium.

A noble gas is a group of chemical elements that are odorless, colorless, and non-reactive under normal conditions. They are located in Group 18 (VIII A) of the periodic table and include helium, neon, argon, krypton, xenon, and radon.

In conclusion, helium is a noble gas that is not neon and has a mass less than 30. It is an important element in science, medicine, and industry, and it has many unique properties that make it useful for a wide range of applications.

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thermohaline circulation is driven by: density differences

Mass per unit volume is measured using the density unit. Given that it is an intense property, the size of the item has no bearing on the value of the property. Density Physics-related meaning The mass-to-volume ratio of an object is known as its density in physics. Mass per unit volume is a frequent definition. Chemistry's use of density The density of a substance in chemistry is a measurement of how much mass there is per unit volume. It is a physical characteristic that is intense, which means that the size of the object has no bearing on its value.

thermohaline circulation is driven by: group of answer choices the coriolis effect. longitude. density differences. wind. latitude.

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Friction provides the traction you need to walk without slipping. Friction helps in most cases. However, they also offer great resistance to applications. Additionally, about 20% of a car's engine power is used to overcome the frictional forces of moving parts. Let's take a look at some of these factors in the next section. All four types of friction are different from each other. Static friction, for example, is the friction that acts between surfaces when they are at rest against each other. In contrast, sliding friction is the resistance that occurs when two bodies slide over each other.

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Answer:

The National Institute of Standards and Technology defines STP differently as absolute pressure of 1 atm (101.325 kPa, 14.696 psi) and 20 degrees Celsius (293.15 degrees Kelvin, 68 degrees Fahrenheit).

Answer:

Global average temperatures and sea level would stay the same due to there being no change in atmospheric greenhouse gasses.

The equilibrium constant, Kc, is the ratio of the equilibrium concentrations of products over the equilibrium concentrations of reactants each raised to the power of their stoichiometric coefficients.

For a reaction: aA + bB→ cC + dD

Equilibrium constant: Kc=[tex][C]^{c}[D]^{d}[/tex]/ [tex][A]^{a} [B]^{b}[/tex]

Characteristics of Kc:

1) Equilibrium can be approached from either direction.

2) Kc does not depend on the initial concentrations of reactants and products.

3) Kc does depend on temperature.

Magnitude of Kc:

1) If the Kc value is large (Kc >> 1), the equilibrium lies to the right and the reaction mixture contains mostly products.

2)  If the Kc value is small (Kc <<1), the equilibrium lies to the left and the reaction mixture contains mostly reactants.

3) If the Kc value is close to 1 (0.10 < Kc < 10), the mixture contains appreciable amounts of both reactants and products.

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The molar mass of the unknown gas in the 500 mL flask at stp is 89.7 g/mol

We'll begin by calculating the number of mole of the gas that occupied 500 mL at stp.

Recall at stp:

22400 mL = 1 mole of the gas

Therefore,

500 mL = 500 / 22400 = 0.0223 mole of gas.

Finally, we shall determine the molar mass of the gas. This can be obtained as follow:

Mass of gas = 2 g

mole of gas = 0.0223 mole

Molar mass of gas =?

Molar mass = mass / mole

Molar mass of gas = 2 / 0.0223

Molar mass of gas = 89.7 g/mol

Therefore, the molar mass of the unknown gas is 89.7 g/mol

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Answer:

This is ez 123 me no eleglesh

Explanation:bn

The standard entropy of vaporization of ethanol at its boiling point 352K is 115.056 J/K-mol.

Given,

Enthalpy of vaporization of ethanol = 40.5 kJ/mol = 40.5 × 10³ J/mol

Entropy of vaporization of ethanol boiling point = 352 K

Determine the standard entropy of vaporization of ethanol,

We get here standard entropy of vaporization of ethanol that is expessed as,

Standard entropy of vaporization of ethanol ΔS = ΔH/T  .............1

Here ΔH is enthalpy of vaporization of ethanol and  T is the temperature.

Substitute the values in equation 1

Standard entropy of vaporization of ethanol ΔS = ΔH/T

                                                                                = [40.5 × 10³] / 352

                                                                                = 40500/352

                                                                                = 115.056 J/K-mol.

Hence, the standard entropy of vaporization of ethanol at its boiling point 352K is 115.056 J/K-mol.

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The mass (in grams) of Ag₂S₂O₃ formed when 125 g of AgBr react completely is 109.13 g

We can obtain the mass of Ag₂S₂O₃ formed by doing the following:

2AgBr + Na₂S₂O₃ -> Ag₂S₂O₃ + 2NaBr

From the balanced equation above,

375.4 g of AgBr reacted to produce 327.74 g of Ag₂S₂O₃

Therefore,

125 g of AgBr will react to produce = (125 × 327.74) / 375.4 = 109.13 g of Ag₂S₂O₃

Thus, the mass of Ag₂S₂O₃ formed is 109.13 g

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Answer: By the very laws of the universe, matter cannot be created or destroyed, the Big Bang cannot have happened by its own power. There was a creator involved.

The balanced chemical equation for the combustion of C4H10 is C4H10 + 6O2 → 4CO2 + 5H2O.

So,

The moles of C4H10 consumed in the reaction is 42.62 g / (58.12 g/mol) = 0.732 mol.

The moles of CO2 produced in the reaction is 87.85 g / (44.01 g/mol) = 1.99 mol.

The percent yield of the reaction is (1.99 mol CO2 / 0.732 mol C4H10) x 100% = 271.7%.

Define Combustion?

Combustion is a chemical reaction between a fuel and an oxidizer where heat and light energy is released. It is also referred to as burning. In the case of fossil fuels, the fuel is mainly hydrocarbons and the oxidizer is the oxygen in the air. The reaction is exothermic and produces water, carbon dioxide, and other byproducts.

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The nuclear charge for Ze is 3e and effective nuclear charge is 1.26e  and for the quantum number is 2.

What is ionization energy for an atom?

The ionisation energy is a metric indicating an element's capacity to engage in chemical processes that call for the donation of electrons or the production of ions. It is also often correlated with the type of chemical bonding that occurs when elements combine to form compounds.

I= 13.1×10²Z (eff)/n²

Zeff = √I×n²/13.1ₓ10²

for lithium I = 520.2

Z²eff = 520.2×4/13.1×10²=1.56

Zeff= 1.26 e

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Explanation:

The equation describes the combustion of methane (CH4). Methane burns in oxygen (O2) to produce carbon dioxide and water.

The equation is also not balanced. O2 should have a coefficient of 2.

The concentration of naoh =0.166M

The quantity of solute that has been dissolved in a certain volume of solvent or solution is measured by the solution's concentration. A solution that contains a significant amount of dissolved solute is said to be concentrated. A solution is said to be dilute if it only contains a little quantity of dissolved solute.

Given some titration data, we are asked to determine the molar concentration of the NaOH solution.

Let's start by formulating the reaction's chemical equation:

NaOH(aq) +HCl(aq) → NaCl(aq)+H2O(l)

Using the molarity equation, we can find the number of moles of

HCl that reacted:

molarity =mol solute/L soln

mol solute=(molarity)(L soln)

mol HCl = (0.500mol/L) (0.00830L) = 0.00415molHCl

(volume converted to liters)

Now, using the coefficients of the chemical reaction, we can determine the number of moles of

0.00415 mol HCl (1lmol NaOH)/(1mol HCl) =0.00415 mol NaOH

Lastly, we'll use the molarity equation (using given volume of NaOH soln) again to determine the molarity of the sodium hydroxide solution:

molarity = mol solute/Lsoln

M(NaOH)=0.00415 mol/O.O250L = 0.166M

The concentration of naoh =0.166M

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A chemical equation is balanced correctly is CH3CH2OH(aq) . The compound is represented by X is CH3CH2OH(aq).

The chemical formula for ethanol, which is an alcohol, is C2H5OH, where C, H, and O stand for carbon, hydrogen, & oxygen atoms, respectively.The colorless, clear liquid ethanol has a similar appearance to water and is totally miscible with it.

You virtually ever consider ethanol, CH3CH2OH, to be acidic because of how weakly basic it is.An ethoxide ion is created when the hydrogen-oxygen link dissociates to release an hydrogen ion:This has almost nothing to recommend it.

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If all the copper in the trial reacts, then the amount of silver produced would be equal to the amount of copper present.

What is Silver nitrate?

Silver nitrate is a chemical compound with formula AgNO3. It is a strong oxidizing agent and is commonly used in chemistry experiments, photography, and in medical applications such as wound care. Silver nitrate is also used in some antiseptic products and in certain types of contact lenses.

Therefore, if the trial mentioned above contains 1 gram of copper, then 1 gram of silver would be produced.

What is Copper?

Copper is a reddish-brown metal that is malleable and ductile, and is one of the most conductive elements on the periodic table. It is often used in electrical wiring, piping, and other industrial applications because of its high electrical and thermal conductivity.

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According to the ideal gas law, the relationship between the pressure, volume, and temperature of a gas is given by the equation PV = nRT, where P is the pressure of the gas, V is the volume of the gas, n is the number of moles of gas, R is the ideal gas constant, and T is the temperature of the gas in Kelvin.

If we have 2.9 L of gas at a pressure of 5.0 atm and a temperature of 50.0 °C, we can calculate the temperature of the gas if we decrease the volume of the gas to 2.4 and decrease the pressure to 3.0 atm by rearranging the ideal gas law equation as follows:

T = (PV) / (nR)

In this equation, T represents the temperature of the gas, P represents the pressure of the gas, V represents the volume of the gas, n represents the number of moles of gas, and R represents the ideal gas constant.

Plugging in the values from the problem into the equation, we get:

T = (5.0 atm * 2.9 L) / (n * 0.08206 L*atm / mol*K)

T = (14.5 L*atm) / (n * 0.08206 L*atm / mol*K)

T = (14.5 L*atm) / (n * 0.08206 L*atm / mol*K)

T = 177.2 K

Therefore, if we have 2.9 L of gas at a pressure of 5.0 atm and a temperature of 50.0 °C, and we decrease the volume of the gas to 2.4 and decrease the pressure to 3.0 atm, the temperature of the gas will be 177.2 K.

Answer: __2__ H[tex]_2[/tex] + __1__ O[tex]_2[/tex] >>>> __2__ H[tex]_2[/tex]O

Explanation:

    To balance this equation, we must be sure that the amount of H [hydrogen] and O [oxygen] is the same on both sides. I will be using, and showing, a method my teacher showed me to help us solve.

        First, we will write out what we have:

_____ H[tex]_2[/tex] + _____ O[tex]_2[/tex] >>>> _____ H[tex]_2[/tex]O

H 2                               >>>>      H 2

O 2                               >>>>      O 1

        Then, we see that the O [oxygen] is unbalanced. We will use a coefficient of 2 to balance them. Then, we will multiply this through and see what we now have on the right side, the product.

_____ H[tex]_2[/tex] + _____ O[tex]_2[/tex] >>>> __2__ H[tex]_2[/tex]O

H 2                               >>>>      H  4

O 2                               >>>>      O 2

        Next, now we see the H [hydrogen] is unbalanced. We will use a coefficient of 2 to balance them. Again, we will multiply it through to see what we have on the left side, the reactants.

        After this, the equation is balanced and we have our answer.

__2__ H[tex]_2[/tex] + __1__ O[tex]_2[/tex] >>>> __2__ H[tex]_2[/tex]O

H   4                            >>>>      H  4

O 2                              >>>>      O 2

The amount of heat required to convert of water to steam is40.79 kJ/mol. The energy needed to turn 62.6 g of water into steam at 100°C is 141.86 kJ.

The equation is used to represent the formula for determining the necessary quantity of heat; as a result, 141.86 kJ of heat are needed to turn 62.6 g of water into steam at 100°C. Each material has a unique molar heat of vaporization. Kilojoules per mole (kJ/mol) are the units used to measure the molar heat of vaporization. The unit J/g is occasionally employed. In that situation, the term "molar" is dropped in favor of "the heat of vaporization."

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0.00486 g of magnesium will react with an excess of hydrochloric acid to produce 500 mL of H2 (g) at STP.

The ideal gas is the virtual gas that chemists and students dream of because it would be much simpler if there weren't some kind of intermolecular force that would complicate the simple law of the ideal gas. An ideal gas is essentially a point cloud moving with constant random linear motion. Its behavior is described by the assumptions described in the kinetic molecular theory of gases. This ideal gas definition contrasts with the non-ideal gas definition. This is because this equation describes how gases actually behave.

The ideal gas law states that the product of pressure and volume in a gram molecule of an ideal gas is equal to the product of the gas's absolute temperature and the universal gas constant.

PV = nRT

Where, n = number of moles.

P = Pressure (1 atm)

T = Temperature (273 K)

V = Volume (0.5 L)

R = Ideal gas constant (8.314J/K⋅mol)

Now, substitute the values:

1 × 0.5 = n × 8.314 × 273

n = 0.00022 moles

Mg + 2HCl → MgCl₂ + H₂

The mole ratio of Mg and H₂ is 1:1 for the given reaction

Hence the number of moles for Mg will be same as H₂, which is 0.00022 moles.

For the mass of Mg:

m = n × Mm

Where, m = mass

n = number of moles (0.00022 moles)

Mm = molar mass (24.3 g/moles)

m = 0.00486 g

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The total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of the component gases at constant volume and temperature.

In the case of an ideal gas mixture, the combined pressure of the gases is equal to the sum of the individual pressures of each gas. This finding, also referred to as Dalton's law of partial pressures, is expressed as follows: P (total) Equals P 1 plus P 2 plus P 3 plus...

When the volume of a gas remains constant, the relationship between pressure and temperature is direct. When volume is constant, the pressure to temperature ratio remains constant.

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Gas that has increased in our atmosphere from 300 parts to 410 parts since 1950 is : 2) carbon dioxide (CO₂). It first exceeded 300 parts per million threshold in the 1950s and today it is over 410 parts per million.

The concentration of carbon dioxide in the atmosphere is currently nearly 412 parts per million. This shows a 47 percent increase since the beginning of the Industrial Age when the concentration was nearly 280 ppm.

The atmospheric level of carbon dioxide has been rising since the 1960's. In 2021, atmospheric carbon dioxide levels reached 416.45 parts per million in comparison to 1960 levels which was 316.91 parts per million.

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Answer:

The coefficient is the number of molecules and the subscript is the number of atoms

Explanation:

You can change the coefficient to balance an equation but, never touch the subscript. It cannot be changed.