Which types of reactions would result in the production of gas?
PLEASE HELP NOW!! worth lots of points

Answer:

the heat differs to the air as heat is energy and energy likes to travel

Answer: 4,250 x 10 - 6

Explanation: ok so we have a decimal number, what you do with that is

\(4.250 x 10^{3}\) = 4.250 x 1,000 = 4,250 now you can just move the decimal every time without that equation but its better safe. I'm pretty sure that's how they want it, because its not expanded or word.

When 3-methylcyclohexene undergoes allylic halogenation with one equivalent of NBS (N-bromosuccinimide), peroxide, and light, it can form two allylic halides.

The reaction involves the addition of a bromine atom to the allylic position of the alkene. The two possible products are formed by the addition of the bromine atom to the two different allylic carbons in the 3-methylcyclohexene molecule.

The two allylic halides that can be formed are:

1-Bromo-3-methylcyclohexene (with the bromine atom attached to the allylic carbon adjacent to the methyl group).

1-Bromo-1-methylcyclohexene (with the bromine atom attached to the allylic carbon adjacent to the non-methyl substituted carbon).

These two compounds are stereoisomers of each other since they have the same connectivity but differ in the spatial arrangement around the double bond.

learn more about stereoisomers and allylic halides : https://brainly.com/question/30906255

#SPJ11

Answer: We can use all of this information to "create" and analyze a genetic profile. This is simply a profile that is used to predict the possible genetic traits of possible offspring.

Explanation:

I hope this helped!

The electronic configuration for the \(S^{-2}\) ion is [Ne] 3s2 3p6.

\(S^{-2}\) ions are negatively charged ions that are composed of two sulfur atoms. They are produced when sulfur atoms gain two electrons, creating a net negative charge. These ions are highly reactive and can form strong bonds with other atoms, molecules, and ions. This is because when an atom loses two electrons, the outermost shell (3p) must gain two electrons to fill the quantum level. its electron configuration changes to the next noble gas (in this case, Neon) plus two additional electrons. Since 3p has six electrons, the electronic abbreviation for the \(S^{-2}\) ion is [Ne] 3s2 3p6.

learn more about electronic configuration Refer:brainly.com/question/29157546

#SPJ1

Answer :  The acid ionization constant (Ka) for the given acid HA is 1.1 x 10^(-5), rounded to two significant figures.

To calculate the acid ionization constant (Ka) for the given acid HA, we must first find its pH using the given concentration of the solution. Then, we can use the pH to find the concentration of H+ ions in the solution. Finally, we can plug these values into the expression for Ka to solve for the acid ionization constant.

The pH of the 0.120 M solution of HA is given to be 3.28. This means that [H+] = 10^(-pH) = 10^(-3.28) = 5.01 x 10^(-4) M.
Now, we can use the expression for Ka: Ka = [H+][A-]/[HA],  Since HA is a weak acid, we can assume that it dissociates as follows: HA + H2O ⇌ H3O+ + A- This means that [A-] = [H3O+], and [HA] = initial concentration of the acid (0.120 M) - [H3O+].

Substituting these values, we get: Ka = (5.01 x 10^(-4) M)^2 / (0.120 M - 5.01 x 10^(-4) M) = 1.1 x 10^(-5). Therefore, the acid ionization constant (Ka) for the given acid HA is 1.1 x 10^(-5), rounded to two significant figures.

Know more about acid ionization constant here:

https://brainly.com/question/4110687

#SPJ11

Answer:

1.099 gmL¯¹ ≈ 1.1 gmL¯¹

Explanation:

From the question given above, the following were obtained:

Mass of empty cylinder = 9.5 g

Mass Cylinder + NaOH = 31.92 g

Volume of solution = 20.4 mL

Concentration of solution =?

Next, we shall determine the mass of sodium hydroxide, NaOH. This can be obtained as as illustrated below:

Mass of empty cylinder = 9.5 g

Mass Cylinder + NaOH = 31.92 g

Mass of NaOH =?

Mass of NaOH = (Mass Cylinder + NaOH) – (Mass of empty cylinder)

Mass of NaOH = 31.92 – 9.5

Mass of NaOH = 22.42 g

Finally, we shall determine concentration of the solution as follow:

Mass of NaOH = 22.42 g

Volume of solution = 20.4 mL

Concentration of solution =?

Concentration = mass /volume

Concentration of solution = 22.42 / 20.4

Concentration of solution = 1.099 gmL¯¹ ≈ 1.1 gmL¯¹

Therefore, the concentration of the solution is 1.1 gmL¯¹

Answer:

P4O10 + 6 H2O → 4 H3PO4

Explanation:

Answer:

NH3 and NH4NO3

Explanation:

I took the test and guessed this since I couldn't find it here, it turned out to be correct so I thought I'd share.

The substances that can react with HNO3 to neutralize it  are NH3 and NH4NO3.

The term neutralization has to do with the reaction between an acid and a base to yiled salt and water only.

The substances that can react with HNO3 must be basic substances hence the substances required are NH3 and NH4NO3.

Learn more about neutralization reaction:https://brainly.com/question/20038776

#SPJ2

7.17 ml of 0.100 M NaOH can be added before the buffer capacity is reached.

To solve this problem, we need to use the Henderson-Hasselbalch equation:

pH = pKa + log([A^-]/[HA])

where pH is the desired pH, pKa is the dissociation constant of the acid, [A^-] is the concentration of the conjugate base, and [HA] is the concentration of the acid.

First, we need to calculate the initial concentrations of the acid and its conjugate base:

[HA] = 0.107 M x (20.37 ml/1000 ml) = 0.00218 M

[A^-] = 0.103 M x (34.62 ml/1000 ml) = 0.00356 M

Next, we need to calculate the pKa of acetic acid. The pKa of acetic acid is 4.76.

pH = pKa + log([A^-]/[HA])

4.74 = 4.76 + log(0.00356/0.00218)

Now, we can solve for the amount of NaOH that can be added before the buffer capacity is reached. The buffer capacity is typically defined as the amount of strong acid or base that can be added before the pH of the buffer changes by 1 unit.

Let's assume we want to reach a pH of 5.74 before the buffer capacity is reached (since the pKa of acetic acid is 4.76, a pH of 5.74 represents a pH change of 1 unit).

5.74 = 4.76 + log(0.00356/x)

x = 0.000717 M

Now we can calculate the volume of 0.100 M NaOH needed to reach this concentration:

0.000717 M = 0.100 M x (V/1000 ml)

V = 7.17 ml

Therefore, 7.17 ml of 0.100 M NaOH can be added before the buffer capacity is reached.

To learn more about volume, refer below:

https://brainly.com/question/1578538

#SPJ11

Answer: It will usually form the anion F- since it is extremely electronegative and a strong oxidizing agent. Fluorine is a Lewis acid in weak acid, which means that it accepts electrons when reacting. Fluorine has many isotopes, but the only stable one found in nature is F-19.

Explanation:

The most common ionic form of fluorine is the fluoride ion (F-). Fluorine, as an element, is highly electronegative, meaning it has a strong tendency to attract electrons towards itself.

In the process of forming an ion, fluorine gains one electron to achieve a stable electron configuration, resulting in the fluoride ion.

For example, when fluorine reacts with sodium (Na), fluorine gains one electron from sodium to form the fluoride ion (F-) while sodium loses one electron to become the sodium cation (Na+). This forms an ionic bond between the two ions, resulting in the compound sodium fluoride (NaF).

The fluoride ion is also commonly found in compounds such as calcium fluoride  and aluminum fluoride . In these compounds, fluorine forms ionic bonds with other elements, resulting in the formation of stable compounds.

Overall, the fluoride ion is the most common ionic form of fluorine due to its high electronegativity and its ability to form stable compounds with other elements.

Learn more about fluorine,here:

https://brainly.com/question/1940697

#SPJ6

Answer:

34.8 mL

Explanation:

First we convert 5.48 g of CuNO₃ into moles, using its molar mass:

Now we can calculate the volume of the solution, using the definition of molarity:

Finally we convert L into mL:

Answer:

The asthenosphere is semi-fluid and always in motion. This movement is caused by the heat in Earth and creates convection currents. Convection currents are circular movements based on temperature and density. The heat from deep inside Earth heats up the semi-fluid particles of the asthenosphere. These particles then become less dense and rise. As they rise to the bottom of the crust, they cool off, become denser, and move back toward the core. Back at the core, their temperature will increase again, causing this circular motion to continue.

Convection currents in the asthenosphere cause movement of Earth's tectonic plates. The crust, though rigid, is broken into a series of tectonic plates that fit together like pieces of a puzzle. The plates float on the semi-fluid asthenosphere and move around in predictable directions. It's like a giant conveyor belt moving molten material from one place to another and causing the plates that float on top to slide to new locations.

Explanation:

Explanation:

To find the isotope that is expected to be radioactive we have to compare the given isotopes with the ones that we find the in the periodic table.

(A) Ti:

Isotope ----> atomic mass = 48 atomic number = 22

Periodic table ---> average atomic mass = 47.9 atomic number = 22

(B) Sr:

Isotope ----> atomic mass = 88 atomic number = 38

Periodic table ---> average atomic mass = 87.6 atomic number = 38

(C) Os:

Isotope ----> atomic mass = 192 atomic number = 76

Periodic table ---> average atomic mass = 190.2 atomic number = 76

(D) Pu:

Isotope ----> atomic mass = 244 atomic number = 94

Periodic table ---> average atomic mass = 244 atomic number = 94

If we take a look at them we will see that the only one that is different is osmium. The atomic mass of the isotope is 192 amu, that means that this isotope has 2 more neutrons than the average atom of the element. So we can expect that it could be radioactive.

Answer: C. Os

Answer:

when the atom have electrons more than protons

and thats what called negative ion

Explanation:

9.14moles

According to the Avogadro's constant,

We are to determine the moles of 5.50 x 10^24 molecules of butane. This is expressed as:

Therefore the required mole of butane is 9.14moles

Answer:

The empirical formula simply states the ratios of the elements that make up the molecule, while molecular formulas specify the amounts of each element exactly, not just giving the ratio. Let's take ethane (C2H6) as an example.

The resin identification code found on a plastic bottle indicates the type of plastic used to create the product. It serves as a standardized system to classify different types of plastics for identification and recycling purposes.

The resin identification code is a symbol consisting of a chasing arrows triangle surrounding a number between 1 and 7. This code is typically located on the bottom of plastic containers and helps consumers, recyclers, and waste management facilities determine the type of plastic used in the product.

The code helps in identifying the type of plastic polymer used, such as polyethylene terephthalate (PET or PETE), high-density polyethylene (HDPE), polyvinyl chloride (PVC), low-density polyethylene (LDPE), polypropylene (PP), polystyrene (PS), and others. Each number within the code corresponds to a specific type of plastic.

While the resin identification code provides information about the type of plastic, it does not directly indicate the product's ease of biodegradation, recyclability, or melting. These characteristics may vary depending on the specific plastic type and its composition. However, the resin identification code is valuable for sorting and recycling processes, as it helps in separating plastics based on their material properties and facilitates appropriate recycling practices.      

learn more about biodegradation here; brainly.com/question/28973806

#SPJ11

The question is incomplete, the complete question is;

Zinc and sulfur react to form zinc sulfide by the equation shown below. How many grams of ZnS can be formed when 12.0 g of Zn reacts with 6.50 g of S? (Atomic mass: Zn = 65.38, S = 32.06).

Answer:

17.5 g of ZNS

Explanation:

The equation of the reaction is;

Zn(s) + S(s) ------->ZnS(s)

Number of moles of Zn = 12.0/65.38 = 0.18 moles

Number of moles of S = 6.50/32.06 = 0.20 moles

Hence Zn is the limiting reactant

If 1 mole of Zn yields 1 mole of ZnS

Then 0.18 moles of Zn also yields 0.18 moles of ZnS

Mass of ZnS produced = 0.18 moles *  97.44 g/mol = 17.5 g of ZNS

Answer:

17.5 g of ZNS

Explanation:

The molarity of the hydrogen peroxide solution is 6.76 M.

Concentration refers to the amount of a substance in a defined space. Another definition is that concentration is the ratio of solute in a solution to either solvent or total solution.

There are various methods of expressing the concentration of a solution.

Concentrations are usually expressed in terms of molarity, defined as the number of moles of solute in 1 L of solution.

Solutions of known concentration can be prepared either by dissolving a known mass of solute in a solvent and diluting to a desired final volume or by diluting the appropriate volume of a more concentrated solution (a stock solution) to the desired final volume.

Mass percentage of H2O2 = 20.7%

Density of the solution = 1.11 g/cm³

If 100 grams of the solution is available, it means 20.7 grams of H₂O₂ in that 100 grams of solution (since it is 20.7% by mass).

Molar mass of H₂O₂ = 34.0147 g/mol (2 × 1.00784 g/mol for hydrogen + 2 × 15.999 g/mol for oxygen)

Moles of H₂O₂ = Mass of H₂O₂  / Molar mass

Moles of H₂O₂  = 20.7 g / 34.0147 g/mol

Moles of H₂O₂ = 0.609 moles

Volume = Mass / Density

Volume = 100 g / 1.11 g/cm³

Volume = 90.09 cm³ = 0.09009 L

Molarity = Moles of solute / Volume of solution

Molarity = 0.609 moles / 0.09009 L

Molarity ≈ 6.76 M

Learn more about Molarity, here:

https://brainly.com/question/31545539

#SPJ4

Answer:

ii.

Explanation:

Regulating weather patterns

Note that the missing part CD in the kite is 5

Given Kite ABCD

To find the lenght of CD

We know that, in a kite, the diagonals are perpendicular.

Thus,

Using Pythagoras Theorem,

CD² = 3² + 4²
CD = 9² + 16²

CD² = 25
√CD = 5 Units

The missing lenght of CD is 5

Learn more about Kite:
https://brainly.com/question/26679673
#SPJ1

Full Question:

See attached image.

After gathering 12kg of firewood and burning it all afternoon, the ashes weigh 1.1kg. The correct conclusion is that during the burning process, 10.9kg of the firewood was converted into heat, gases, and other byproducts, leaving only 1.1kg as ashes.

After burning the 12 kg of firewood all afternoon, the resulting ashes weigh 1.1 kg. From this information, we can conclude that approximately 10.9 kg of firewood was burned. This can be determined by subtracting the weight of the ashes (1.1 kg) from the initial weight of the firewood (12 kg). Therefore, the burning process converted the majority of the firewood (10.9 kg) into ashes (1.1 kg). This is a common result of burning organic materials. The remaining ash can be used as a nutrient-rich fertilizer or disposed of safely. Overall, this provides a clear understanding of the weight of ashes produced from burning 12 kg of firewood.
To know more about firewood visit:

https://brainly.com/question/30519575

#SPJ11

The cultures of prehistoric humans are primarily known through the excavation of stone tools and other durable artifacts, such as the Oldowan and Acheulian tool traditions.

Stone tools and imperishable artifacts serve as key archaeological evidence for understanding prehistoric cultures. Through meticulous excavation and analysis, archaeologists have been able to piece together the lifestyles, technological advancements, and social behaviors of early human societies. The term "paleolithic" refers to the Old Stone Age, a time when humans relied on stone tools as their primary implements.

The Oldowan tool tradition is considered the earliest stone tool industry, dating back around 2.6 million years ago. It is characterized by simple tools, such as choppers and scrapers, which were crafted by flaking off pieces from larger stones. These tools were primarily used for basic activities like butchering and processing animal carcasses.

Later, the Acheulian tool tradition emerged around 1.76 million years ago, representing an advancement in stone tool technology. Acheulian tools, such as handaxes and cleavers, were more refined and standardized, showcasing an increased level of sophistication in tool-making techniques. These tools served a wide range of purposes, including hunting, woodworking, and shaping raw materials.

By studying the Oldowan and Acheulian tool traditions, researchers gain valuable insights into the cognitive abilities, cultural development, and technological progress of early humans. The examination of these artifacts provides evidence of their adaptability, problem-solving skills, and the gradual refinement of their tool-making techniques over time.

Learn more about prehistoric humans

brainly.com/question/28301954

#SPJ11

If more \(H_{2}\) and \(N_{2}\) are added to the reaction 3\(H_{2}\) + N2 → 2\(NH_{3}\) after it reaches equilibrium, two events will occur Shift in Equilibrium and Increased Yield of \(NH_{3}\)

1. Shift in Equilibrium: According to Le Chatelier's principle, when additional reactants are added, the equilibrium will shift in the forward direction to consume the added reactants and establish a new equilibrium. In this case, more \(NH_{3}\) will be produced to counteract the increase in \(H_{2}\) and \(N_{2}\).

2. Increased Yield of \(NH_{3}\): The shift in equilibrium towards the forward reaction will result in an increased yield of \(NH_{3}\). As more \(H_{2}\) and \(N_{2}\) are added, the reaction will favor the production of \(NH_{3}\) to maintain equilibrium. This will lead to an increase in the concentration of \(NH_{3}\) compared to the initial equilibrium state.

It is important to note that the equilibrium position will ultimately depend on factors such as the concentrations of \(H_{2}\), \(N_{2}\), and \(NH_{3}\), as well as the temperature and pressure of the system. By adding more reactants, the equilibrium will adjust to achieve a new balance, favoring the formation of more \(NH_{3}\).

Know more about Le Chatelier's principle here:

https://brainly.com/question/2943338

#SPJ8

Titration is repeated at least 4 to 5 times in order to provide a statically valid answer.

What is Titration-

Titration is a typical laboratory technique for quantitative chemical analysis used to calculate the concentration of an identified analyte (also known as titrimetric and volumetric analysis) (a substance to be analyzed). A standard solution with a known concentration and volume is prepared as the reagent, also known as the titrant or titrator.

Its a form of volumetric analysis to uncover the concentration of a substance, and the readings should all be within a very small number of units of one another.

The closeness of two or more measurements to each other is known as the precision of a substance. Precision is independent of accuracy.

To know more about volumetric analysis click here:

https://brainly.com/question/18649034

]#SPJ4

Answer:

1.)REACTANT