I2 + N2H4==> HI + N2 according to the reaction ,How many grams of HI are obtained if 115.7 g of N2H4 reacts with
an excess of iodine?

Answer:

Krypton

Explanation:

The effect of the given factors on membrane fluidity are:

The factors that  affect membrane fluidity include;

Longer carbon tails: Phospholipids with longer carbon tails have more van der Waals interactions between their fatty acid chains, which makes the membrane more tightly packed and less fluid.

Presence of double bonds: Phospholipids with double bonds create kinks in their carbon tails, which makes it harder for them to pack tightly together. This increases the space between the phospholipid molecules, making the membrane more fluid.

Addition of cholesterol: At high temperatures, cholesterol reduces membrane fluidity by increasing the packing of the lipid molecules in the membrane. On the other hand, at low temperatures, cholesterol increases membrane fluidity by preventing the lipids from packing too closely together.

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Answer:

The amount of energy in molecules of matter determines the state of matter.

Explanation:

The amount of energy in molecules of matter determines the state of matter. Matter can exist in one of several different states, including gas, liquid, or solid-state.

Answer:

The state of a substance depends on the space between its particles and on the way in which the particles move. The more solid it is the tighter the particles.

Answer:

Explanation:

The protein comprises of two 60-kD polypeptides and two 40-kD polypeptides. Each one of the 40-kD chains has a disulfide-bond, which is directly bonded to a 60-kD chain.

The 100-kD units attach noncovalently to produce a protein with a molecular mass of 200 kD.

The protein consists of 200 kD in size, and the Gel filtration doesn't affect the relationship and interaction among the various subunits in the protein.

When SDS-PAGE takes place, samples are being subjected to boiling of samples and therefore undergoing denaturation conditions. The result causes disorganization in the 100 kD units.

It implies that BME is responsible for the reduction between the R1-S-S-R2 bond between 40 kD and 60 kD to R1-SH and R2-SH, resulting in separate proteins.

However, the reducing agent (BME) main task is reducing disulfide bonds in a protein.

The number of moles of NaCl dissolved in the water to make the given solution is 1 mole.

A mole can be described as a unit that is employed to calculate the count of particles. The particles which are counted are usually identical entities, individually distinct.

The amount of chemical substance can be measured in the terms of the mole and the number of entities in one mole is approximately equal to 6.023 × 10 ²³.

Given, the one liter of a 1 M solution of NaCl.

The concentration of the NaCl solution = 1 M

The molarity of the given solution, \(M = n/V\)

The number of moles of NaCl, n = M ×V = \(\displaystyle {1 mol L^{-1}}\times{1L}\) = 1 mol

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Fe²⁺ is the reducing agent in this reaction.

In the given chemical reaction:

\(Cr_2O_7^{2-} + 6Fe_2+ + 14H^+ -- > 2Cr_3+ + 6Fe_3+ + 7H_2O\)

We can see that Fe²⁺ is being oxidized to Fe³⁺ as it loses one electron and its oxidation state increases from +2 to +3. This means that  Fe²⁺ is giving away electrons, which makes it the species that is being oxidized or the reducing agent.

Therefore,  Fe²⁺ is the reducing agent in this reaction.

There are species in a chemical reaction that experience changes in their oxidation states, meaning they either acquire or lose electrons. Because it reduces another species by transferring electrons to it, the species that sheds electrons is known as the reducing agent.

The species that acquires electrons is known as the oxidizing agent because, by taking electrons from another species, it oxidizes that species.

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Answer:

( essay ) a time when i got lost somewhere

Answer:

c) 32yd

Explanation:

Answer:

32 yd

Explanation:

its really simple you just divide 96 by 3 and u get 32 yd which is 32 yd

The balanced equation obeys the law of conservation of mass because the number of atoms of each element (carbon, hydrogen, and oxygen) is the same on both sides of the equation.

To balance the equation CH4 + O2 → CO2 + H2O, we need to ensure that the number of atoms of each element is the same on both sides of the equation.

Starting with carbon (C), there is one carbon atom on the left side (CH4) and one carbon atom on the right side (CO2). Carbon is already balanced.

Moving on to hydrogen (H), there are four hydrogen atoms on the left side (CH4) and two hydrogen atoms on the right side (H2O). To balance hydrogen, we can add a coefficient of 2 in front of H2O:

CH4 + O2 → CO2 + 2H2O

Now, let's consider oxygen (O). There are two oxygen atoms on the left side (O2) and two oxygen atoms on the right side (CO2 + 2H2O). Oxygen is already balanced.

The balanced equation is:

CH4 + O2 → CO2 + 2H2O

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Answer:

A. The reaction shifts to the right (products) and the concentrations of I and H₂ decrease.

Explanation:

If gas is removed from the system at equilibrium, the system will try to compensate for the loss by shifting the reaction in a direction that produces more gas molecules. This is known as Le Chatelier's principle, which states that a system at equilibrium will respond to a disturbance by shifting in a way that minimizes the effect of the disturbance.

In this case, since gas is being removed from the system, the reaction will shift to the side that produces more gas molecules. Looking at the balanced equation, we can see that 2HI(g) has a greater number of gas molecules compared to H₂(g) and I₂(g). Therefore, the system will shift to the right (products) to produce more HI(g) and reestablish equilibrium.

1.5 moles of N2 will be produced when 1.8 moles of NO react.

The equation that balances is displayed below. N2(g)+3H2(g) = 2NH3 (g) Hydrogen will be the limiting reagent if equal moles of each reactant are utilised since it uses up 3 moles for every mole of nitrogen to produce ammonia.

5 N2 + 6 NO 4 NH3 + 6 NO 6 H2O

According to the equation, 6 moles of NO react to produce 5 moles of N2. As a result, we may apply a proportion to determine how many moles of N2 are produced when 1.8 moles of NO react:

(5 mol N2 / 6 mol NO) x 1.8 mol NO = 1.5 mol N2

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Answer:

the total setup time of this process is 100 minutes

Explanation:

Given the data in the question;

Vat holds up to 1000 gallons;

Rate of chemical agents being added to the vat = 4.5 gpm

Reaction time = 85 minute

cleaning ( waiting time ) 15 minute

the setup time of this process = ?

To calculate the setup time for this process, we simply say;

the setup time = Reaction time + cleaning ( waiting time )

so we substitute in our values

the setup time = 85 mins + 15 mins

the setup time = 100 minutes

Therefore, the total setup time of this process is 100 minutes

The standard deviation of the sample is 0.579, rounded to the correct number of significant figures.

To calculate the standard deviation of the sample, we need to follow these steps:

To find the mean, we sum up all the data points and divide by the number of data points. Let's calculate it:

(3.09 + 4 + 2.775 + 2.5 + 3.80) / 5 = 16.165 / 5 = 3.233

To do this, we subtract the mean (3.233) from each data point and square the result:

(3.09 - 3.233)^2 = 0.020049

(4 - 3.233)^2 = 0.586489

(2.775 - 3.233)^2 = 0.209025

(2.5 - 3.233)^2 = 0.537289

(3.80 - 3.233)^2 = 0.323329

To find the variance, we sum up the squared differences from step 2 and divide by the number of data points:

(0.020049 + 0.586489 + 0.209025 + 0.537289 + 0.323329) / 5 = 1.676181 / 5 = 0.3352362

√0.3352362 = 0.579 (rounded to three significant figures)

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Answer:

Decreases  

Explanation:

The mass of the rectangular piece of copper is 18,869 g (approx).In conclusion, the mass of a rectangular piece of copper with dimensions 24.4cm x 11.4 cm x 7.9 cm and a density of 8.92 g/cm³ is 18,869 g (approx.).

The given dimensions of the rectangular piece of copper are:Length = 24.4 cmWidth = 11.4 cmHeight = 7.9 cmThe formula to calculate the mass of an object is given by;

Mass = Density x Volume

Here, the density of copper is given as 8.92 g/cm³.

Therefore, the first step is to calculate the volume of the rectangular piece of copper.The formula to calculate the volume of a rectangular object is given by:

Volume = Length x Width x Height

So,Volume = 24.4 cm x 11.4 cm x 7.9 cm= 2115.432 cm³Now we will use the mass formula:

Mass = Density x Volume= 8.92 g/cm³ x 2115.432 cm³= 18,869.27824 g= 18,869 g (approx.)

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The non-metal elements in Group 7 – known as the halogens – get less reactive as you go down the group

Answer & Explanation:

The reactivity of elements in Group VII, also known as Group 17, decreases with increasing atomic radius. This is because halogens have high electronegativities and a proclivity to gain electrons in noble gas configurations. Myths are traditional stories or beliefs that explain cultural or societal beliefs, customs, or natural phenomena. They can be passed down through generations and can be based on true or fictitious events. Mythology, on the other hand, is the collection of myths associated with a specific culture or religion. Mythology can be amplified through retelling, incorporation into religious practices; association with significant events or figures, and adaptation into other media forms such as literature, film, or art.

0.065 moles are there in 2.6 grams of Argon.

What is moles?

Moles, in chemistry, are a measure of the amount of a substance. One mole is equal to 6.022 x 10^23 particles or molecules of that substance. This number is known as Avogadro's number. Moles are used to measure the amount of a substance because it is easier to work with than counting individual particles or molecules. For example, it is easier to work with the number of moles of a substance than to count the individual atoms, molecules, or ions.

No. of moles =given mass/molar mass

Or,

n=w/m ______ (1)

So in this question we are given the value of w= 2.6 g

Now, the molar mass of argon is 39.948 g/mol

m=39.948 g/mol

So, substituting these values in equation (1) we get,

n= 2.6/ 39.948 = 0.065 mol

Therefore, 0.065 moles are in 2.6 grams of Argon.

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Answer:

b

Explanation:

b

Metal conductivity generally goes down or resistivity goes up with temperature goes up.

HAZWOPER training and certification recognize:

The correct option is both A and C

HAZWOPER (Hazardous Waste Operations and Emergency Response) training and certification recognize that a large number of victims (as much as 80%) in hazardous waste incidents or emergencies will self-present or be self-referred for medical treatment.

Additionally, HAZWOPER training acknowledges that victims may use any entrance they can access at a hospital, not just the emergency department entrance.

This is because individuals affected by hazardous materials may arrive at different areas of the hospital seeking medical assistance.

Therefore, option d. Both A and C are correct statements regarding the recognition of HAZWOPER training and certification.

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Balanced total ionic equation:

Ca2+(aq) + 2NO3-(aq) + 2Na+(aq) + CO32-(aq) \rightarrow CaCO3(s) + 2Na+(aq) + 2NO3-(aq)

Net ionic equation:

Ca2+(aq) + CO32-(aq) \rightarrow CaCO3(s)

Na+(aq) and NO3-(aq) are the spectator ions as they do not appear in the net ionic equation.  These ions stays as ions in the aqueous solution before and after the reaction.

Chemical reactions involve breaking chemical bonds among reactant molecules (debris) and forming new bonds between atoms in product debris (molecules). The quantity of atoms before and after the chemical alternate is the identical however the variety of molecules will trade.

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Statement C is not true. A combination reaction is not called retrosynthesis.

Retrosynthesis is a term used in organic chemistry to describe the process of planning the synthesis of a complex molecule by breaking it down into simpler precursor compounds. On the other hand, a combination reaction refers to a chemical reaction where two or more substances combine to form a single compound.

Examples of combination reactions include the reactions mentioned in statements A and D, where magnesium reacts with oxygen to form magnesium oxide and sodium reacts with chlorine to form sodium chloride, respectively.

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Answer:

zwasetdrcyfvgybhuknjimk

Explanation:

Answer:

A.Electrolysis

Explanation:

A.Electrolysis

For example,  electrolysis of solution of NaCl in water gives H2 and O2.

The chemical formula of aspartame is C₁₄H₁₈N₂O₅ and it's relative molecular mass is 294.30 g/mol which is calculated as (12×14)+(1×18)+(14×2)+(16×5).

Molecular  mass of a compound or a molecule is defined as the mass of the elements which are present in it.The molecular mass is considered to be a bulk quantity not a molecular quantity. It is often an average of the of the masses at many instances.

The molar mass and formula mass are used as synonym for the molecular mass.It does not depend on the amount of substance which is present in the sample.It has units of gram/mole.

Molecular masses of an element are given as relative atomic masses while that of compounds is the sum of relative atomic masses which are present in the compound.In case of aspartame it is calculated as,(12×14)+(1×18)+(14×2)+(16×5)=294.30 g/mol.

Thus , relative molecular mass or molecular mass of aspartame is 294.30 g/mol.

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Answer: 24.305052 (8 sig figs)  [Mg]

Explanation:  The AMU of each isotope is multiplied by it's percent abundance to yield a weighted average for each isotope.  The sum of these weighted averages will be the wighted average of the element's isotopes:

Isotope    Mass (AMU)     %            Weighted AMU

24Mg 23.985042 78.99% 18.94578468

25Mg 24.985837 10.00%   2.4985837

26Mg 25.982593 11.01%   2.860683489

                                   24.305052 (8 sig figs)

Answer:

Electromagnetic

Explanation:

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