Imagine blowing up a latex balloon. Assume that you tie the balloon to prevent air from escaping and then squeeze the balloon with one hand, so there is less space inside it. Then assume you use both hands (and maybe a friend’s hands) to squeeze the balloon so there is even less space inside. What do you think will happen to the balloon if you keep squeezing it to a smaller and smaller volume? Explain your prediction.

In the given reaction, the limiting reactant is C₆H₆ (benzene).

To determine the limiting reactant as well as calculate the mass of HCl produced, compare the moles of each reactant.

The number of moles for each reactant:

Molar mass of Cl₂ = 35.5 g/mol + 35.5 g/mol = 71 g/mol

Moles of Cl₂ = mass of Cl₂ / molar mass of Cl₂

                     = 45 g / 71 g/mol

                     = 0.634 moles of Cl₂

Molar mass of C₆H₆ (benzene) = 12 g/mol + 6(1 g/mol) = 78 g/mol

Moles of C₆H₆ = mass of C₆H₆ / molar mass of C₆H₆

                        = 45 g / 78 g/mol = 0.577 moles of C₆H₆

Determine the stoichiometry between Cl₂ and HCl:

Cl₂ + C₆H₆ → C₆H₅Cl + HCl

Here, we can see that 1 mole of Cl₂ produces 1 mole of HCl.

Thus, the limiting reactant is C₆H₆ (benzene).

Calculate the mass of HCl produced:

Molar mass of HCl = 1 g/mol + 35.5 g/mol = 36.5 g/mol

Moles of HCl produced = moles of C₆H₆ = 0.577 moles

Mass of HCl produced = moles of HCl produced × molar mass of HCl

Mass of HCl produced = 0.577 moles × 36.5 g/mol

                                     ≈ 21.04 g

Therefore, approximately 21.04 grams of HCl will be produced.

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The balanced chemical equation for the reaction is:

PCl5 + H2O → H3PO4 + HCl

To balance this equation, we need to make sure that the number of atoms of each element is equal on both sides of the equation.

To do this, we can start by balancing the phosphorus (P) and chlorine (Cl) atoms. There is one P atom and five Cl atoms on the left side of the equation, and one P atom and one Cl atom on the right side of the equation. We can balance these by adding a coefficient of 5 in front of HCl:

PCl5 + H2O → H3PO4 + 5HCl

Now we have five Cl atoms on both sides of the equation. Next, we can balance the hydrogen (H) atoms. There are two H atoms on the left side of the equation and five H atoms on the right side of the equation. We can balance these by adding a coefficient of 2 in front of H2O:

PCl5 + 2H2O → H3PO4 + 5HCl

Now we have two H atoms on both sides of the equation. Finally, we can balance the oxygen (O) atoms. There are two O atoms on the left side of the equation and four O atoms on the right side of the equation. We can balance these by adding a coefficient of 2 in front of H3PO4:

PCl5 + 2H2O → 2H3PO4 + 5HCl

Therefore, to balance this reaction, we need to use this balanced chemical equation:

PCl5 + 2H2O → 2H3PO4 + 5HCl

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Taking into account the definition of Avogadro's Number, 0.1022067 mg are contained in 1.8×10¹⁷ molecules of sucrose.

Avogadro's Number is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance.

Its value is 6.023×10²³ particles per mole and it applies to any substance.

You can apply the following rule of three: if 6.023×10²³ molecules are contained in 1 mole of sucrose, then 1.8×10¹⁷ molecules are contained in how many moles of sucrose?

amount of moles of sucrose= (1.8×10¹⁷ molecules × 1 mole)÷ 6.023×10²³ molecules

amount of moles of sucrose= 2.9885×10⁻⁷ moles

This means that in 2.9885×10⁻⁷ moles of sucrose are 1.8×10¹⁷ molecules of sucrose.

The molar mass of substance is a property defined as the amount of mass that a substance contains in one mole.

The molar mass of a compound is the sum of the molar mass of the elements that form it multiplied by the number of times they appear in the compound.

In this case, you know the molar mass of the elements is:

So, the molar mass of the compound C₁₂H₂₂O₁₁ is calculated as:

C₁₂H₂₂O₁₁= 12×12 g/mole + 22× 1 g/mole + 11× 16 g/mole

Solving:

C₁₂H₂₂O₁₁= 342 g/mole

You can apply the following rule of three: If by definition of molar mass 1 mole of the compound contains 342 grams, 2.9885×10⁻⁷ moles of the compound contains how much mass?

mass= (2.9885×10⁻⁷ moles× 342 grams)÷ 1 mole

mass= 1.022067×10⁻⁴ grams= 0.1022067 mg (being 1 g= 1000 g)

Finally, 0.1022067 mg are contained in 1.8×10¹⁷ molecules of sucrose.

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The correct answer is B. A solid gains kinetic energy to become a liquid and then becomes a gas.

Explanation:

In solids, particles are organized and tightly packed, due to this, they only vibrate, which implies the kinetic energy is quite low (energy related to motion). Additionally, when solids are exposed to heat and they change their state to liquid, the substance obtains kinetic energy and particles move more freely and are not as organized and solids. Also, this increases in gases, in which kinetic energy is high and particles move freely. Thus, in the diagram, the states solid, liquid, and gas are represented and in this, "a solid gains kinetic energy to become a liquid and then becomes a gas."

Answer: b

Explanation:

edge

Answer:

p2 = .75 atm

Explanation:

p1 v1  = p2 v2

5 * 1.5  = p2 10    

Answer: 380 J. Please mark

Explanation:

Answer:

b

Explanation:

Answer:

b

Explanation:

Steel is produced from pig iron through a process known as steelmaking or iron and steel production.

The pig iron obtained from the blast furnace contains high amounts of carbon, impurities, and other elements. To convert pig iron into steel, the carbon content needs to be reduced to desired levels, and impurities must be removed.One common method of steelmaking is the basic oxygen process (BOP). In this process, pig iron is placed in a vessel called a converter, where oxygen is blown through the molten metal. The oxygen reacts with the carbon and impurities, causing them to oxidize and form gases that are released. Alloying elements and desired additives can be added at this stage to achieve specific steel properties. Another method is the electric arc furnace (EAF), where an electric arc is used to heat and melt the pig iron, allowing impurities to be oxidized and removed.The advantages of using steel are numerous. Steel is strong, durable, and versatile, making it suitable for a wide range of applications. It has high tensile strength, which means it can withstand heavy loads and pressures. Steel is also resistant to corrosion, making it ideal for construction, infrastructure, and transportation projects. It is a recyclable material, contributing to sustainability and reducing environmental impact. Additionally, steel can be fabricated into various shapes and sizes, allowing for customization and flexibility in design.References:

A. Ghosh and A. Chatterjee, Ironmaking and Steelmaking: Theory and Practice, PHI Learning, 2008.

R.H. Tupkary and V.R. Tupkary, An Introduction to Modern Iron Making, Khanna Publishers, 2010.

J.R. Davis, ed., ASM Specialty Handbook: Carbon and Alloy Steels, ASM International, 1995.

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By removing the need to build additional transmission lines and equipment, energy storage may reduce costs for utilities and their customers.

By removing the need to build additional transmission lines and equipment, energy storage may reduce costs for utilities and their customers. Energy storage's inherent ability to offer backup power in the event of grid failure is a feature that both residential consumers and commercial owners find highly desirable.

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Therefore, the strong nuclear force happens inside ring C.

An atomic model is a scientific theory or explanation of the structure of an atom. The atomic model describes the various parts of an atom, such as the nucleus, protons, neutrons, and electrons, and how they are arranged within the atom. Different atomic models have been proposed over time as our understanding of the atom has developed. The earliest atomic model, proposed by the Greek philosopher Democritus, suggested that atoms were indivisible and indestructible particles. Later, in the early 20th century, experiments led to the development of the modern atomic model, which describes the atom as consisting of a central nucleus made up of protons and neutrons, surrounded by electrons that orbit the nucleus in shells or energy levels. This model is known as the Rutherford-Bohr model. Since then, new atomic models have been developed that take into account the complex behavior of electrons within the atom, such as the quantum mechanical model. These models are used to explain the behavior and properties of atoms and their interactions with other atoms, molecules, and electromagnetic radiation.

Here,

The strong nuclear force occurs inside the nucleus of the atom, where the protons and neutrons are located. In the given diagram, the nucleus is located inside ring C, where there are 4 protons and 5 neutrons.

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Answer:

              2.13 × 10²² moles

Explanation:

Relation between Mole and Mass is,

                             Mole = Mass / M.Mass

Putting values,

                             Mole = 2.3 × 10²⁴ g / 107.87 g/mol

                             Mole = 2.13 × 10²² moles

Answer:

In 1924, the French physicist, Louis de Broglie suggested that if light has electron, behaves both as a material particle and as a wave. According to this theory, small particles like electrons when in motion possess wave properties.

Explanation:

examples

This can be derived as follows according to Planck’s equation, E = hv = hc /λ ∴ v=c/λ(energy of the photon (on the basis of Einstein’s mass energy relationship) E = mc2    

( If Bohr’s theory is associated with de-Broglie’s equation then wave length of an electron can be determined in bohr’s orbit and relate it with circumference and multiply with a whole number 2πr = nλ or λ = (2πr/2π) From de-Broglie equation, λ = (h/mv).  

The general form of a neutralization reaction is HF + FrOH → FrF + H₂O

We refer to this as a neutralisation reaction. Only this reaction, which produces NaCl and water as products, is a neutralisation reaction since it involves HCl and NaOH. The resulting response is listed below: NaCl(aq) + H₂O = HCl(aq) + NaOH(aq) (l)

The interaction of H⁺ ions and OH⁻ ions produces water in a neutralisation reaction, which occurs when an acid and a base combine to make water and a salt. The neutralisation of a strong acid and strong base yields a pH of 7.

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A compound consisting of Ba2+ and Cl- :

We have to cross multiply the ionic charges:

Therefore the compound will be:

Answer: 5,266

Explanation:

5,266

Answer:

Explanation:

If a zero is found between significant digits, it is significant

Answer:

Explanation:

Combined Gas Law

T2= T1P2V2/ (P1V1) = 348.15 X .5 X 3.4/(2 X 7.5) =39.46 K or -233.69C

Answer:

The key to understanding why ionic and covalent compounds have different properties from each other is understanding what's going on with the electrons in a compound. Ionic bonds form when atoms have different electronegativity values from each other. When the electronegativity values are comparable, covalent bonds form.

But, what does this mean? Electronegativity is a measure of how easily an atom attracts bonding electrons. If two atoms attract electrons more or less equally, they share the electrons. Sharing electrons results in less polarity or inequality of charge distribution. In contrast, if one atom attracts bonding electrons more strongly than the other, the bond is polar.

Ionic compounds dissolve in polar solvents (like water), stack neatly on each other to form crystals, and require a lot of energy for their chemical bonds to break. Covalent compounds can be either polar or nonpolar, but they contain weaker bonds than ionic compounds because they are sharing electrons. So, their melting and boiling points are lower and they are softer.

I hope this helps have a great day :)

Answer:

2.499 moles of sucrose

Explanation:

Divide by Avogadro's number

a) If the partial pressure of CO2 is increased, the equilibrium will tend to shift towards the formation of products (C6H12O6 and O2) to reduce the concentration of CO2.

(b) If the system is compressed, the equilibrium will tend to shift towards the formation of products (C6H12O6 and O2) to reduce the number of gas molecules.

What is Equilibrium?

In chemistry, equilibrium is a state in a chemical reaction where the rate of the forward reaction is equal to the rate of the reverse reaction. At equilibrium, the concentrations of the reactants and products remain constant over time, although the reactants are still being converted into products and vice versa.

When a system is at equilibrium, the concentrations of reactants and products are said to be in balance. This means that the concentrations of the reactants and products are no longer changing, even though the reaction is still ongoing. At equilibrium, the concentrations of reactants and products are related by a constant called the equilibrium constant (K), which depends on the specific reaction conditions such as temperature and pressure.

c) If the amount of H2O is increased, the equilibrium will tend to shift towards the formation of products (C6H12O6 and O2) to consume the excess water.

(d) If the temperature is increased, the equilibrium will tend to shift towards the formation of products (C6H12O6 and O2) because the reaction is endothermic and increasing the temperature favors the endothermic reaction.

(e) If some of the O2 is removed, the equilibrium will tend to shift towards the formation of products (C6H12O6 and O2) to compensate for the loss of O2.

(f) If water is added, the equilibrium will tend to shift towards the formation of reactants (CO2 and H2O) to consume the excess water.

(g) If the partial pressure of O2 is decreased, the equilibrium will tend to shift towards the formation of reactants (CO2 and H2O) to compensate for the loss of O2.

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Answer:

Determining the Slope on a p-t Graph. It was learned earlier in Lesson 3 that the slope of the line on a position versus time graph is equal to the velocity of the object. ... If the object has a velocity of 0 m/s, then the slope of the line will be 0 m/s. The slope of the line on a position versus time graph tells it all.

Explanation:

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The following (with specific heat capacity provided) would show the smallest temperature change upon gaining 200.0 J of heat is 50.0 g Al, CAl = 0.903 J/g °C is 4.4 °C.

The change in temperature change is given as :

a)  25.0 g Ag, CAg = 0.235 J/g °C

ΔT = Q / mc

ΔT  = 200 / 25 × 0.235

ΔT  = 34 °C

b) 50.0 g Al, CAl = 0.903 J/g °C

ΔT = Q / mc

ΔT  = 200 / 50 × 0.903

      = 4.4 °C

c) 50.0 g Cu, CCu = 0.385 J/g °C

ΔT = Q / mc

ΔT  = 200 / 50 × 0.385

     = 10.4  °C

d) 25.0 g Au, CAu = 0.128 J/g°C

ΔT = Q / mc

ΔT  = 200 / 25 × 0.128

      = 62.5 °C

e) 25.0 g granite, Cgranite = 0.79 J/g°C

ΔT = Q / mc

ΔT  = 200 / 25 × 0.79

      = 10.1 °C

The  smallest temperature change = 50.0 g Al, CAl = 0.903 J/g °C is 4.4 °C.

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Answer:

1. More data should be collected to get a more reliable average

2. A boiling point at 1.5 atmospheres could be predicted fairly well

3. The actual boiling point is probably between 34 C and 40 C

4. By taking 10 measurements of each of the five liquids and finding an average

5. The thermometer being used might need to be recalibrated

Explanation:

Took the quick check

Answer: the elements that are the most similar are in the same group, or column of the periodic table

Explanation:They have similar chemical properties

Answer:

How much excess reagent remains when the reaction is over? ... 3) How many grams of sodium nitrate will be produced from 4.3 mol lead(ID.

Explanation:

Answer:

Synthesis.

Explanation:

Hello!

In this case, since we can find synthesis, decomposition and single and double displacement reactions, it is possible for us to realize this reaction is synthesis because sulfur and fluorine react to produce sulfur hexafluoride according to:

\(S_8+24F_2\rightarrow 8SF_6\)

These reactions are characterized by the presence of two or more reactants and just one product.

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Answer:

31°C

Explanation:

Using the ratio, we can find the temperature of the gas at 705mm.

 725mm : 32°C

 705mm : x

[ x is the temperature we have to find ]

Cross multiply the ratios.

 725x = 705 × 32

 725x = 22560

 x = \(\frac{22560}{725}\) = 31°C

Answer:i think its C

Explanation: