What is the approximate power per area emitted by the inside wall of an oven when baking a cake in w/m2?

Hydrogen peroxide used as a 6% solution is used to easy wounds on pores and skin as an antiseptic ,and it is also used as a stronger answer (>30%) as an antimicrobial agent and an oxidizing agent.

Hydrogen peroxide (H2O2) is a topical antiseptic utilized in wound cleaning which kills pathogens through oxidation burst and nearby oxygen manufacturing. H2O2 has been said to be a reactive biochemical molecule synthesized by means of various cells that impacts biological behavior thru multiple mechanisms: alterations of membrane potential, technology of latest molecules, and changing intracellular redox balance, which leads to activation or inactivation of different signaling transduction pathways.

As an disinfectant, it additionally treats wounds. Hydrogen peroxide capabilities as an oxidizing element in personal care merchandise, which includes colorants and toothpastes, and gives a lightening/whitening impact.

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Answer:

Metals tend to be hard, metallic-looking solids, with high electrical and thermal conductivity values and high melting and boiling points. Nonmetals tend to be softer, often colorful elements. They may be solids, liquids, or gases.

Answer: Metals are hard and have high melting and high boiling points and high electrical and thermal conductivity values and nonmetals are softer and are substances like solids,liquids,or gases.

Submicroscopic events are the structure and behavior of the matter or particle that can use for the macroscopic observations of the matter.

Sub microscopic elements are very minute and small particles that can be only seen by a microscope. These are small particles that together make the big matter.

Macroscopic particles are big particles that are constituted by small particles.

Thus, the structure and behavior of the matter or particle that can be used for macroscopic observations of the matter are submicroscopic occurrences.

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In scientific notation, "significant figures" refers to the significant single digits (0 to 9, inclusive) of the coefficient of expression.

A significant figure in a given number is made up of all the certain digits plus one uncertain digit. They are reliant on the scale's or measurement tool's accuracy.

1. 587 is an example of four important digits (three are certain and one is doubtful).

On solving above problem we get,

3.7 + 5.894 + 782.52

9.594 + 782.52

792.114

792.1

The answer of the above problem is 792.1.

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0.389×10^−19J  is the change in energy for the combination of these processes.

λ1=410nm=410×10^−9m

λ2=2628nm=2628×10^−9m

E1−E2 = Energy absorbed by the atom in the process =hc[1/λ1−1/λ2]

=6.63×3[1/410−1/2628]×10^−9 = 0.389×10^−19J

We get, 0.389×10^−19J.

Energy is the quantitative property that is transferred to a body or to a bodily system, recognizable in the performance of work and in the structure of warmth and light. Energy is a conserved quantity—the regulation of conservation of energy states that strength can be transformed in form, however not created or destroyed. The unit of size for energy in the International System of Units (SI) is the joule (J).

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Urn the gas off immediately if the flame sputters, flares, or goes out, or if you  smell gas.

If something which includes an engine or a flame sputters, it really works or burns in an uneven way and makes a chain of soft popping sounds.

What reasons a gasoline burner to sputter?

if your gasoline burner is hissing, sputtering, or burning a yellow flame, it isn't always running successfully. The problem is due to an excessive amount of or too little air being supplied to the flame. here is a way to make an adjustment: Wait to carry out your repair until the stovetop floor is cool

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If two atoms have the same number of protons in their nucleus, and different no. of neutrons, then they're called isotopes.

What are isotopes?

The term "isotope" refers to an element's atoms that have the same number of protons but differing numbers of neutrons. Because they have the same number of proton, they remain the same element.

The amount of neutrons varies among different isotopes of a given element, resulting in variations in atomic mass. They also differ in the abundance of the surrounding environment.

Therefore, two atoms of the same element with the same number of protons and different number of neutrons are called isotopes.

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The properties of a compound are different than the elements that make it up.

What are properties of a compound ?

Physical and chemical characteristics of compounds allow us to recognize them. A quality that may be observed or measured is referred to as a physical property.

The characteristics of a compound are completely distinct from the characteristics of the constituent elements. Reason: Water is a chemical substance that is a nonflammable, noncombustible liquid. It is made up of two substances: oxygen, which promotes combustion, and hydrogen, a highly flammable gas.

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Reagents required for conversion of clohexene to cycloexane is H2,Pt.

Functions do reagents serve in chemistry:

A chemical reaction is used to confirm the detection of another substance and is referred to as a "substance or compound that is added to a system in order to bring a chemical reaction or is added to check whether a reaction has occurred or not."

Reagents required for conversion of clohexene to cycloexane is H2,Pt.

Hydrogenation of cyclohexene in presense of Pt catalyst gives cyclohexane .

cyclohexene + H2  -----(Pt)----> cyclohexane .

Pt is acting here as a catalyst.

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Answer:

7.6410^-14 grams N2O4

Explanation:

I will assume that "contains a billion (1.00 × 10º)" is meant to read "(contains a billion (1.00 × 10^9)."

One mole of anything contain 6.02x10^23 particles of that thing (atoms, molecules, paper clips, suns, etc.).  If there are 1.00x10^9 particles of N2O4, we have:

(1.00x10^9 particles N)/(6.02x10^23 particles/mole) = 1.66x10^-15 mole of N atoms

Each mole of N2O4 contains 2 moles of N atoms:  

(1 mole N2O4)/(2 moles N atoms)

(1.66x10^-15 mole of N atoms)*(1 mole N2O4)/(2 moles N atoms) =

8.31x10^-16 moles N2O4

The molar mass of N2O4 is 92.01 g/mole.

(8.31x10^-16 moles N2O4)*(92.01 g/mole) = 7.6410^-14 grams N2O4

Step 1 convert gal to L step 2 convert L to cl

Here given data is water are held in tanker truck volume = 5,500 gallon

So here 1st we have to convert

5,500 gallon = 20,819 Litre

So in 1st step we have to converted gallons into litre

Then 1 litre = 100 centilitre so,

20,819 Litre = 208.19 centilitre

So, in the 2nd step we have to converted litre to centilitre

5,500 gallon = 20,819 Litre and 20,819 Litre = 208.19 centilitre

This is how the conversion from beginning to ending

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In the group that is obtained by adding or deleting from each of the following groups, the indicated symmetry operation is c3 plus i. The correct option is a.

In organic chemistry, the shape of the compounds that are formed is made or discovered. The shape of water molecules, benzene, etc. These structures of symmetries are sent by the connecting or joining of elements with bonds.

Citroën C3 is an organic compound that gives symmetry operation when a group or added or deleted from the compound.

Thus, the correct option is a. c3 plus i.

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"Saccharomyces cerevisiae causes bread to rise by creating carbon dioxide bubbles as a byproduct of fermentation."

This statement is true.

Fermentation is the technique of making carbon dioxide bubbles that reason the dough to rise.

Carbon dioxide is produced in the course of fermentation and turns into trapped withinside the dough as a small wallet of air. this will increase it. When baked, the carbonic acid expands and the bread rises even extra.

Bread rises due to the fact the yeast eats the sugar and releases the carbon dioxide trapped withinside the gluten of the bread. The extra sugar the yeast eats, the extra fuel line it produces, and the taller the bread rise!

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The 100g solution of mannitol has 549.45 millimoles.

Mannitol (C₆H₈(OH)₆) is used in pharmaceutical goods as a sweetener, tablet and capsule diluent, excipient for chewable tablets, tonicity agent, and vehicle (bulking agent) for lyophilized preparations. It is used as a drug to lower elevated intracranial pressure and lower ocular pressure, as in glaucoma.

The molecular weight of mannitol = 182g.

Mass of mannitol given = 100g.

∴ Moles per liter of mannitol = [tex]\frac{Mass of mannitol}{Molecular weight of mannitol}[/tex]

                                                  [tex]=\frac{100}{182}[/tex]

                                                  = 0.54945 moles

Now,

1 mole = 1000 millimoles

∴ 0.54945 moles of mannitol = [tex]\frac{0.54945 }{1000}[/tex]

                                                = 549.45 millimoles

Hence, the 100g solution of mannitol has 549.45 millimoles.

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A chemist experiments on a molecule with the formula of c5h10o5. this compound is likely a(n)  carbohydrates.

A molecule with the formula C₅H₁₀O₅  is carbohydrates.

What are Carbohydrates?

therefore the molecular method C₅H₁₀O₅ represents carbohydrates.

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Although the valence electron structures of the atoms of each element in a vertical column are often the same, the number of energy levels in the atoms increases as the elements descend the column.

Because of their comparable chemical behavior, the vertical columns of the periodic table are referred to as groups or families. A family of elements' members share the same valence electron count and chemically similar characteristics.

Periods and groups are the names of the horizontal rows and vertical columns, respectively. Chemical characteristics of elements within the same group are comparable. Due to the fact that they have an equal number of outside

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Answer:

Explanation:

Magnetic field is the magnetism charge around a magnetic body

For the number less than 0.1 such as 0.006, the zeroes to the right of the decimal point but before the first non zero digit show the decimal place of the first significant digit.

There is only one significant figure in the provided number 0.06. The decimal place of the first digit is indicated by the zeros that appear to the right of the decimal point but before the first non-zero digit.

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A 22.2 g sample of gold with a density of 0.01932 kg/cm3 will occupy a volume of 1.1491 cm3.

Density, denoted by ρ, of a substance is its mass per unit volume. It shows the ratio between a substance mass and the volume it occupies. To solve for density, the formula is given by

ρ = mass / volume

Given a substance density, we can compute for its mass or volume using the same formula and vice versa.

But before inputting the values, convert the mass from g to kg to match the unit of density. (1 kg = 1000g)

mass = 22.2 g = 22.2 / 1000 = 0.0222 kg

To compute for the volume a sample of gold occupies,

volume = mass / ρ

where mass = 22.2 g = 0.0222 kg

ρ = 0.01932 kg/cm3

volume = 0.0222 kg / 0.01932 kg/cm3

volume = 1.1491 cm3

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2 linear positional isomers of nonene are there

Nonene have molecular formula is C₉H₁₈ called nonene no of possible isomers are 35 but including branched there are 35 isomers of nonene while linear compound mean only straight chain compound here straight chain compound are only 2 common name for nonene is non-1 ene there are so many isomers are seen in nonene Straight chain, Octanes, Heptanes,3,1 Dimethylheptanes,3,2 Ethylheptanes, Hexane, 4.1 Trimethyl. 4.2 Methyl+Ethyl, Pentane. in nonene class of organic compounds known as unsaturated aliphatic hydrocarbons. these are aliphatic hydrocarbons that contains one or more unsaturated carbon atoms. These compounds contain one or more double or triple bonds.

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Yes; you need to know how long the light bulb is on.

Because of this, lower wattage bulbs are sometimes referred to as "equivalent to 60W"; nevertheless, what is equal is brightness, not energy consumption.

Converting wattage to kilowatts is the best way to determine how much energy your lightbulb consumes. Thus, 0.1 kW would be needed per hour for a 100W light bulb.

Incandescent (up to 100W) and halogen (up to 120W) light bulbs with higher energy consumption are being phased out. You may get ornamental exposed carbon filament light bulbs, which are normally 40–60W, if you still have any of them operating in your house.

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Electrodes have been placed on samantha's scalp. her doctor wants to assess her brain-wave activity through the use of an electroencephalogram, or EEG. An electroencephalogram (EEG) is a test that uses small metal discs (electrodes) connected to the scalp to assess electrical activity in the brain.

Brain cells interact by electrical impulses and are constantly active, even while sleeping.  An EEG is a test that detects irregularities in your brain's electrical activity or brain waves. Electrodes comprised of small metal discs with thin wires are deposited onto your scalp during the process. An EEG is primarily used to detect and investigate epilepsy.

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The parts of polypeptide participate in bonds that hold together secondary structure and tertiary  Secondary structure shape is supplied via way of means of hydrogen bonds among atoms withinside the polypeptide spine of proteins. Interactions among the aspect chain atoms of the amino acid subunits shape the confirmation.

The  Secondary structure shape includes nearby packing of the polypeptide chain into α-helices and β-sheets via way of means of hydrogen bonding among the peptide bond and the significant carbon spine. Tertiary (3D) shape is the form that outcomes from secondary structural folding decided via way of means of interactions among amino acid aspect chains.

Secondary structure outcomes from hydrogen bonds that shape among atoms withinside the polypeptide spine. A hydrogen bond is shaped among a partially bad oxygen atom and a partially effective nitrogen atom.

The tertiary structure is stabilized via way of means of aspect chain purposeful corporations inclusive of numerous interactions, in particular hydrogen bonds, salt bridges, covalent disulfide bonds, and hydrophobic interactions.

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Water has more structure than other liquids because of its ability to form hydrogen bonds. Because of this phenomenon, water expresses a relatively high density, which allows it to cushion and protect the body’s structures.

Water is a chemical element consisting of hydrogen and oxygen and exists in gaseous, liquid, and solid states. It is one of the most abundant and important compounds. It is a tasteless, odorless liquid at room temperature and has the significant ability to dissolve many other substances.

You may be surprised to learn that most of Liverpool's drinking water comes from two beautiful lakes, Llyn Celyn and Vyrnwy, 80km south of Wales. Both lakes supply millions of gallons of water to the city each day. In humans, it functions as both a solvent and transport mechanism, dissolving essential vitamins and nutrients from food and delivering them to cells. Our bodies also use water to flush out toxins, regulate body temperature, and support metabolism.

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The absolute pressure in the chamber is 38 kPa.

p(vacuum gauge) = 54 kPa; pressure of vacuum gauge, pressure is below atmospheric pressure, so it is called negative or vacuum gauge pressure

p(atmospheric pressure) = 92 kPa

p(absolute pressure) = ?

p(absolute pressure) = p(vacuum gauge) - p(atmospheric pressure)

p(absolute pressure) = 92 kPa - 54 kPa

p(absolute pressure) = 38 kPa

Atmospheric pressure or barometric pressure is the pressure within the atmosphere of the Earth.

Absolute pressure is the pressure in a vacuum. Absolute pressure uses absolute zero as its zero point.

Vacuum gauge pressure uses atmospheric pressure as its zero point.

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28 grams of iron will be needed to react completely to form 40 grams of iron oxide.

The atomic mass of iron, 2 Fe = 112

The molecular mass of iron oxide (III) = 160

We have to find how many grams of iron are required to form 40 grams of iron oxide.

By using the comparison formula, we get,

The atomic mass of iron/ Molecular mass of iron oxide = Mass of iron/mass of iron oxide.

Mass of iron = 112/160 × 40

Or, the mass of iron = 28grams.

Therefore, 28 grams of iron will be required to react completely to form 40 grams of iron oxide.

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Stereochemistry of the vinyl boronic acid will be retained and Stereochemistry of the vinyl halide will be retained is how the stereochemistry of the starting materials affected in the Suzuki reaction.

Some compounds have two stereogenic centers or more. Whether or whether those centers are equivalent determines the stereochemistry that results. Similar sets of substituents are present in equivalent sterogenic centers.

There are 2n stereoisomers for n nonequivalent centers. These isomers include certain pairings of enantiomers. These stereoisomers are mirror images of each other because each center of them has the opposite arrangement. Diastereomers are all other stereoisomers.

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Answer:

D.

Explanation:

The molarity of the solution is 0.528 mol/L.

Given,

Molarity = 0.0480 LiF.

Density = 1.10 g/ml

0.0480 moles of LiF are present in 1 kg of solvent.

Mass of 0.0480 moles of LiF = zero.0480 mol × 26 g/mol = 1.248 g

Mass of the answer (m)=  1 kg (solvent) + 1.248 g(solute)

m = a thousand g + 1.248 g = 1001.248 g

locating the quantity of the solution,

extent = Mass / density

setting the values of mass and density, we get the quantity,

quantity = 910.2254 mL or, 0.9102254 L

The molarity of the solution is the moles of the compound in a single liter of solutions.

Molarity = mass of compound/ molar mass × volume(L)

via placing the values we get,

Molarity = zero.528 mol/L

as a result the molarity of the answer is zero.528 molar.

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A 2. 50 x 10-3 kg sample of oxygen gas at 31. 0 °c has an average molecular velocity of 487 m/s then ke of the gas is 5,929.225 J

Here we have to find kinetic energy of gas and sample is given as 2. 50 x 10-3 kg and velocity of 487 m/s so, formula to find kinetic energy is:

KE=1/2mv²

KE=1/2×2. 50 x 10⁻³×(487)²

KE=5,929.225kgm²/s²

Here 1 joule = 1 kgm²/s² so

1×5,929.225=5,929.225 J

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