How much NO , in grams, is produced?

Barium chloride and water are created when barium hydroxide and hydrochloric acid combine.

what is ionic compound?

An ionic compound in chemistry is a chemical complex made up of ions kept together by electrostatic forces known as ionic bonding. Although the chemical is generally neutral, it does include positively charged ions known as cations and negatively charged ions known as anions. Simple ions like sodium (Na+) and chloride (Cl) in sodium chloride or polyatomic species like the ammonium (NH+ 4) and carbonate (CO2 3) ions in ammonium carbonate can be present in these compounds. Since each individual ion in an ionic compound typically has many nearest neighbours, they aren't thought of as being a part of molecules at all but rather as a continuous three-dimensional network. When solid, ionic chemicals often take the shape of crystals.

The balanced equation for this reaction is: 2HCl (aq) + Ba (OH)2 (aq) → BaCl2 (aq) +2H2 0 (1) If 4 moles of barium hydroxide react The reaction consumes moles of hydrochloric acid.

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There are two unpaired electrons in the carbon atom and the carbon atom is paramagnetic.

To check whether an atom atom has any unpaired electron we should check the electronic configuration of that atom.

The electron configuration of the carbon atom is given as,

[He]2s²2p²

According to the orbital diagram of the p orbital, there are two electrons in the P orbital which are unpaired in the carbon atom.

It means that the carbon atom has to unpaired electrons.

Because the carbon atom has two unpaired electrons it is paramagnetic in nature.

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Concentration of unknown sample with an  absorbance of 0.32 at 542 nm is 2.22 × 10^-5 M.

What is Beer's law ?

Beer's Law is an equation that connects a material's characteristics to light attenuation. According to the law, a chemical's concentration and a solution's absorbance are exactly related. Using a colorimeter or spectrophotometer, the relation can be used to calculate the concentration of a chemical species in a solution. The UV-visible absorption spectroscopy is where the connection is most frequently applied. Be aware that at high solution concentrations, Beer's Law is invalid . Beer's law suggest that absorbance and concentration of a sample at a particular wavelength varies linearly. Now the best fit line equation for unknown sample is given as , y = 15200x - 0.018 where y is absorbance and x is concentration of sample . At an absorbance of 0.32 , put y = 0.32 in given equation we get the concentration .

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The volume required is 4.86 ml that would be required to react completely with 11.73 ml of 1.006 m ca(oh)2.

This can be calculated using:

3Ca(OH)2 (aq) + 2H3PO4 (aq) ---> Ca3(PO4)2 (s) + 6H2O (l)

moles of Ca(OH)2 present: 11.00 moles

moles of H3PO4 needed: 7.33 moles

volume (mls) of H3PO4 needed: 7.33/1.508 = 4.86

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It is critical to insert the gas syringe immediately after adding the yeast solution to the sugar in the Erlenmeyer flask so that the gas syringe must capture all the gas generated from each sugar in the first minute if the results for all the sugars are to be compared.

An Erlenmeyer flask which is also known as a conical flask or a titration flask, is a type of laboratory flask which features a flat bottom, a conical body, and a cylindrical neck.

The most common type of Erlenmeyer Flask is merely the flat- bottomed, used widely in laboratories.

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According to combined gas law:

[tex]P_{1}V_{1}/T_{1}=P_{2}V_{2}/T_{2}[/tex]

So, given [tex]P_{1}=95kpa,V_{1}=4l,P_{2}=101kpa,V_{2}=6l,T_{2}=471k[/tex]

After substituting values in the formula,

[tex]95*4/T_{1}=101*6/471[/tex]

[tex]T_{1}=295k[/tex]

What is the Combined Gas Law?

        PVT=k (k being the proportionality constant)

Thus, the original temperature is 295k.

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The temperature of a substance does not change while the state does, this shows that the slope has positive gradient. So, the answer is slope > 0.

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The volume of oxygen is 14.7 litres.

What is volume?

volume is a measure of occupied three dimensional space.

Sol-Balanced chemical reaction: C₃H₈ + 5O₂ → 3CO₂ + 4H₂O.

m(C₃H₈-propane) = 5.53 g.

n(C₃H₈) = m(C₃H₈) ÷ M(C₃H₈).

n(C₃H₈) = 5.53 g ÷ 44.1 g/mol.

n(C₃H₈) = 0.125 mol.

From chemical reaction: n(C₃H₈) : n(O₂) = 1 : 5.

n(O₂) = 0.625 mol.

T = 25° = 298.15K.

p = 1.04 atm.

R = 0.08206 L·atm/mol·K.

Ideal gas law: p·V = n·R·T .

V(O₂) = n·R·T / p.

V(O₂) = 0.625 mol · 0.08206 L·atm/mol·K · 298.15 K / 1.04 atm.

V(O₂) = 14.7 L.

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The numerical coefficients in a balanced chemical process describe the species-mole ratio. This mole ratio is used to compare two species' chemical compositions.

Take into account the balanced reaction for ammonium perchlorate's breakdown:

2 → N₂ + Cl₂ + 4H₂O + 2O₂

We can see from the aforementioned reaction that the amount of ammonium perchlorate that will react and the amount of oxygen gas that will be created are equal. Using the molar mass of 117.49 g/mol to calculate the moles of ammonium perchlorate

moles NH₄ClO₄ = 4.4 g / (117.49 g/mol) = 0.03745 mol

moles O₂ = 0.03745 mol

The oxygen gas moles will then be converted to mass (molar mass = 32 g/mol).

mass O₂ = 0.03745 mol * 32 g/mol = 1.2 g.

Therefore, the mass of oxygen gas produced by the reaction of ammonium perchlorate is 1.2 grams.

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COMPLETE QUESTION:

Ammonium perchlorate, NH₄ClO₄, is the solid rocket fuel used by the U.S. Space Shuttle. It reacts with itself to produce nitrogen gas N₂, chlorine gas Cl₂, oxygen gas O₂, water H₂O, and a great deal of energy. What mass of oxygen gas is produced by the reaction of 4.4g of ammonium perchlorate?

Ozone has dipole moment even though all the atoms  are the same because of the presence of lone pair on the central oxygen atom.

The dipole moment of any molecules is the product of the charge on the either side of the molecule and the distance between them.

As we know, Ozone contains 3 oxygen atoms.

The presence of lone pair on the central oxygen atom bends down the molecule of ozone which indeed give result to the a bent symmetry of ozone molecule. As we know, if a molecule is bent then it is very lightly to have some dipole moment.

Even though there are all the items of same kind but the charge on all the three atoms is different which gives contribution in the formation of the dipole moment. So, we can conclude here that the small dipole moment in ozone molecule is observed because of the presence of the lone pair and symmetry of the molecule.

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The melting point of a solution that is formed when 130 g of ethylene glycol (C2H6O2) dissolved in 1.00 kg of water is -6.518C.

What is melting point?

Melting point is the temperature at which substance changes state from solid to liquid. Different solids have different melting points. This depends on the pressure which is usually taken as standard pressure that is 1 atmosphere or 100kPa.

The melting point for the given solution can be calculated as,

Number moles of ethylene glycol is calculated as,

n = m / M = 130 g / 62 gmol^-1 = 2.096 mol.

m is mass, M is molecular mass.

Then the molality of the solution is calculated,

Molality = n / mass of solvent in Kg = 2.096 mol / 1 kg = 2.096 mol/kg

The Kf of ethylene glycol = -3.11

Melting point = Kf x molality = -3.11 x 2.096 = -6.518C.

Therefore, the melting point of a solution that is formed when 130 g of ethylene glycol (C2H6O2) dissolved in 1.00 kg of water is -6.518C.

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The maximum power output of this heat engine is 39,165.75 kJ/min. The result is obtained by using the value of Carnot Efficiency.

The efficiency of a heat engine is generally expressed as

[tex]\eta = \frac{W}{Q_{h}}[/tex]

Where

The Carnot Efficiency is the maximum efficiency of heat engine that is dependent on the temperatures of the hot source (Th) and the cold sink (Tc). The Carnot Efficiency can be expressed as

[tex]\eta = 1 - \frac{T_{c} }{T_{h}}[/tex]

Where

Given the temperature of the hot source at 477°C and the cold sink at 25°C. The heat is supplied at a steady rate of 65,000 kJ/min.

What is maximum power output of this heat engine?

First, we convert temperature unit from Celsius to Kelvin.

[tex]T_{h} = 477 + 273.15 = 750.15 K[/tex]

[tex]T_{c} = 25 + 273.15 = 298.15 K[/tex]

The Carnot Efficiency is

[tex]\eta = 1 - \frac{T_{c} }{T_{h}}[/tex]

[tex]\eta = 1 - \frac{298.15 }{750.15}[/tex]

[tex]\eta = 1 - 0.39745[/tex]

[tex]\eta = 0.60255[/tex]

The power equals work divided by time. By using the value of Carnot efficiency, the maximum power output is

[tex]\eta = \frac{\frac{W}{t} }{\frac{Q_{h}}{t} }[/tex]

[tex]0.60255 = \frac{\frac{W}{t} }{65.000}[/tex]

[tex]\frac{W}{t} = 65.000 \times 0.60255[/tex]

[tex]\frac{W}{t} = 39,165.75 kJ/min[/tex]

Hence, the maximum power output of this heat engine is 39,165.75 kJ/min.

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The answer is 4.02.

Benzoic acid is a weak acid and sodium hydroxide is a strong base. Benzoic acid and sodium hydroxide react to form sodium acetate and water to form a buffer solution. pH can be measured by measuring the voltage developed between two special electrodes immersed in a liquid solution.

Special glass electrodes are called measuring electrodes. It neutralizes benzoic acid to produce benzoate ions, which enter the water layer, leaving two other organic compounds in the ether. Similarly, nitroaniline does not dissolve under neutral or basic conditions but dissolves in acidic solutions. This clearly shows that formic acid is a stronger acid than benzoic acid.

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The equivalence point of the WASB would be slightly acidic, while the equivalence point of the SASB would be slightly basic. This is because the WASB has a higher concentration of hydronium ions than the SASB.

The hydronium ion is a key player in acid-base reactions. It is the hydrogen ion that is donated or accepted in an acid-base reaction. The higher the concentration of hydronium ions, the more acidic the solution.

In an acid-base reaction, the acid donates a hydrogen ion to the base. The base accepts the hydrogen ion. This creates a new molecule of water. The equivalence point is the point at which the acid and base have reacted in a 1:1 ratio. At this point, the solution is neutral.

If the acid has a higher concentration of hydronium ions than the base, then the equivalence point will be slightly acidic. This is because there will be more hydronium ions present than there were at the start of the reaction.If the base has a higher concentration of hydronium ions than the acid, then the equivalence point will be slightly basic.

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There are two unpaired electrons in O2. Hence, it is paramagnetic in nature with two unpaired electrons.

The term paramagnetic refers back to the appeal of material to an external magnetic discipline. The term diamagnetic refers to the repulsion of cloth from an external magnetic area. those substances have as a minimum one unpaired electron. these materials don't have any unpaired electrons.

Paramagnetic is the result of an unpaired electron having a magnetic dipole moment. QED dictates that the magnetic moment of an electron arises from its homes of spin and orbital movement, giving it angular momentum inside the quantum feel.

Paramagnetic materials are the ones which can be attracted by using magnetic area and feature impaired electrons. They lose magnetism within the absence of magnetic area. The greater the number of unpaired electrons, the greater the magnetic second of the substance and as a result extra the paramagnetism.

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The volume of required NaOH is 39.6 ml

According to the standard definition, normality is expressed as the number of grams or molar equivalents of solute present in one liter of solution. When we say equivalent, this is the number of moles of reactive moieties in the compound.

Base acidity describes the number of ionizable hydroxide groups in the base. NaOH has an ionizable hydroxide group. Hence, the normality of NaOH is 0.5125 N.

For the given case,

N₁V₁ = N₂V₂

Normality = Molarity × Basicity

For H₂SO₄ the basicity is 2

N₂ = 0.25 × 2

= 0.5 N

For NaOH the acidity is 1

N₁ = 0.505 × 1

= 0.505 N

N₁V₁ = N₂V₂

0.505 × V₁ = 0.5 × 40

V₁ = 39.6 ml

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The concentration of the hydroxide ions after 50 ml of 0.250M NaOH is added to 120ml of 0.200M Na2SO4 is 7.35 x 10^-2 M.

What is meant by concentration?

Concentration is the total amount of solute present in the given volume of solution. this is expressed in terms of molarity, molality, mole fraction, normality etc. The term concentration mostly refers to the solvents and solutes present in the solution.

Concentration of hydroxide ions can be calculated by,

M (OH^-) = V (NaOH) x M (NaOH) / V (total) = 50ml x 0.250M / 50ml + 120ml = 0.0735M = 7.35 x 10^-2 M.

where M (OH^-) = concentration of hydroxide ions, V(NaOH) = volume of NaOH, M(NaOH) = concentration of NaOH.

Therefore, the concentration of the hydroxide ions after 50 ml of 0.250M NaOH is added to 120ml of 0.200M Na2SO4 is 7.35 x 10^-2 M.

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If we assume that you have produced the required amount of 2-methylbenzoic acid, then we would require 4.2 ml of 6m NaOH to completely deprotonate the 2-methylbenzoic acid.

Benzoic acid is more acidic than 2-methylbenzoic acid. because the +R (electron donating) nature of the methyl group causes the negative charge on the oxygen atom to become destabilized when the latter ions form 2 methyl benzoate ion. Consequently, it wouldn't have a propensity to emit H+.

An inorganic substance having the formula NaOH is sodium hydroxide, sometimes referred to as lye and caustic soda. Sodium cations and hydroxide anions make up this white solid ionic combination.

volume of 6 m NaOH = 6 1.8 = 4.2 ml.

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984 kpa is the absolute pressure of gas cylinder when full.

101 kpa is the absolute pressure of gas cylinder when it’s empty.

Pressure is the force exerted on a particular surface area and we know that Absolute pressure is equal to the sum of gauge pressure and atmospheric pressure .Barometric pressure is the best example for absolute referenced pressure. Absolute pressure is measured in N/m² or pascal & kpa which is short for kilopascal

P(absolute)=P(gauge)+P(atm)

Here P(gauge) is pressure due to the contents present inside the cylinder

P(atm) is the pressure exerted by the atmosphere

=>883 kpa+101 kpa =984 kpa when full

Note that when the cylinder is empty the gauge pressure is zero as there is no substance to exert pressure So, only atmospheric pressure is exerted.

P(absolute)=0(because the cylinder is empty) + 101 kpa

Therefore P(absolute) =101 kpa when cylinder is empty.

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The value of the maximum velocity for an enzyme-catalyzed reaction that follows Michalis Menton kinetics if the initial velocity is 6 mm/s at a substrate concentration of 6 mm.  the correct option is (C).

The km for the enzyme system is 2 mm is 8mm. The Michalis-Menten equation is commonly used to study the kinetics of reaction catalysis by enzymes as well as the kinetics of transport by transporters. Typically, the rate of reaction (or reaction velocity) is experimentally measured at several substrate concentration values.

A plot of the reaction rate versus the substrate concentration reveals two important kinetic parameters: Vmax and Km .

Vmax is the maximum reaction rate that is observed at saturating substrate concentrations.

Km is referred to as the Michalis constant and is the substrate concentration at which the reaction rate is exactly half of Vmax.

Km is inversely related to the apparent affinity of the enzyme/transporter for its substrate. Therefore, a low numerical value of Km refers to a very high affinity of interaction between the protein and its substrate.

The Michaelis-Menton equation can be written as -

V = Vmax [S] / (Km + [S])

V is the reaction velocity (rate of reaction progression per unit time)

Vmax is the maximum velocity of the reaction.

[S] is the substrate concentration.

Km is the Michaelis constant.

Here V = 6mm/s

Vmax =?

[S] = 6mm

Km = 2mm

putting into equation,

V = Vmax [S] / (Km + [S])

6 = Vmax [6] / (2 + [6])

6 = Vmax [6] / 8

48/6 = Vmax

Vmax = 8mm

The value of the maximum velocity for an enzyme-catalyzed reaction that follows Michaelis Menton kinetics is 8mm.

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Answer:

What property of the wave is addressed by the letter B?

Picture result for The letter "B" is marking which part of the wave? B Frequency Pressure Rarefaction Plentifulness

What property of the wave is addressed by the letter "B"? Abundancy.

Explanation:

1,Wavelength,

Definition: Frequency can be characterized as the distance between two progressive peaks or box of a wave. It is estimated toward the wave.

2,Compression,

pressure thing [U] (Go ahead)

the demonstration of squeezing something into a more modest space or coming down on it from various sides until it gets more modest: Structural powers caused pressure in the world's outside layer.

3,Rarefaction,

At the point when rarefaction happens, the particles in a gas become more fanned out. You might run over this word with regards to sound waves. A sound wave traveling through air is comprised of exchanging areas of higher and lower thickness. The areas of lower thickness are called rarefactions

4,Amplitude,

At the point when rarefaction happens, the particles in a gas become more fanned out. You might go over this word with regards to sound waves. A sound wave traveling through air is comprised of substituting areas of higher and lower thickness. The areas of lower thickness are called rarefactions

The two geologic events which occur very slowly as a result of tectonic forces and movement are convection in the mantle and plate subduction.

This is a term which is referred to as the process in which there is collision between two of Earth's tectonic plates, where one plate sinks into the mantle underneath the other plate.

This is caused by geologic events which occur very slowly as a result of tectonic forces while on the other hand, mountains and volcanoes occur abruptly which is therefore the reason why options A and C were chosen as the correct choice.

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Answer: A and C

Explanation:

Answer:

Increase

Explanation:

Fe + CuSO4 - - > Fe2(SO)3 + Cu

If concentration of Fe increases, it will increase the frequency of collisions between the two reactants. Therefore the amount of Cu will also increase.

In a chemical reaction, 0. 3 moles of H2O result in the production of 0.2 moles of CO2. Chemical reactions are the means through which one group of chemical compounds are changed into another.

Chemical reactions are typically defined as changes that only affect the positions of electrons in the formation and breakage of chemical bonds between atoms, with no change to the nuclei (i.e., no change to the elements present). These types of changes are often included in the term chemical reactions.

Number of moles Definition We utilize this enormous quantity to measure atoms. Additionally, it equals the 6.022* 10 23 atoms that make up 12 grammes of carbon-12, or atoms.

C2H6 + 7/2O2 = 2CO2 + 3H2O,

where moles(CO2)=(2*0,3)/3=0.2 mol,

and n(CO2)=(2*0,3)/3=n(H2O);

n(CO2)=n(CO2)=n(H2O).

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2 Al&3irons with 2fe and 36copper

0.00292 mol of HCL would be needed to react with 0.0356 g of Mg.

Mass of mg = 0.0356 g

Molar mass of mg is 24.31 g/mol

moles of mg= 0.0356/24.31

=0.00146moles

Mg+2HCL→MgCl₂ +H₂

From above equation , 1 mol of mg requires 2 mol of HCL

∴ 0.00146 mol of Mg will require =2×0.00146 mol of HCL

=0.00292 mol of HCL.

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group j neptunium Atomic number 93