What is the forward rate with continuous compounding for a three-month period starting in one year?

Answer: 17.5 cm

Explanation:

10 mm=1 cm

175mm * 1 cm/10 mm=

175/10 cm=17.5 cm

It is true that metallic bonds are responsible for many properties of metals such as conductivity.

Metallic bond is a type of chemical bond.

Metallic bond is formed between electrons and positively charged metal ions.

Substances with metallic bond conduct an electric current in liquid and solid state, because they have mobile electrons.

Most metals (for example sodium, calcium, iron, silver) have strong metallic bond, because strong electrostatic attractive force between valence electrons (metals usually have low ionization energy and lose electrons easy) and positively charged metal ions.

Metallic bond increace electrical and thermal conductivity.

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A molecule has an empirical formula of ch, and its molar mass is known to be 26 g/mol and the  molecular formula is C₂H₂ ethyne

Molecular formula of compound is (CH)n and the given molar mass is 26g/mol

Molar mass of (CH)n, C=12=n(12+1)=13n

So 13n and n=2

=13×2=26 and given molar mass is also 26g/mol

So here two carbon and two hydrogen so molecular formula is C₂H₂ and name is ethyne

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Answer:

-1.42, -0.375, 32.5% (.325), 3/8 (.375), √4 (2.0), 3 (3.0), 2³ (8.0)

Taking into account the definition of density, the volume of cyclohexane should be 23.13 mL.

Density is defined as the property that matter, whether solid, liquid or gas, has to compress into a given space and allows us to measure the amount of mass in a certain volume of a substance.

The expression for the calculation of density is:

density= mass÷ volume

In this case, you know that:

Replacing in the definition of density:

0.7781 g/mL= 18 g÷ volume

Solving:

0.7781 g/mL ×volume= 18 g

volume= 18 g÷ 0.7781 g/mL

volume= 23.13 mL

In summary, the volume of cyclohexane should be 23.13 mL.

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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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Your general impression suggests that your immediate action should be to call for additional help. The correct option is a.

Immediate actions are the actions that are taken without taking any time. These actions are taken when there is no time to think, and you should immediately think about the actions. The emergency condition needs immediate help.

During the time of general impression, one should immediately call for additional help. Additional people will give you suggestions for the problem.

Thus, the correct option is a. call for additional help.

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Peptide bonds, hydrogen bonds, disulfide linkages, van der Waals, and electrostatic forces of attraction are the chemical bonds that stabilize the different structures in primary, secondary, tertiary, and quaternary structures.

The advanced structure of proteins gives rise to two kinds of major molecular shapes which are fibrous as well as globular structures. The main forces which are involved in stabilizing the secondary along with the tertiary structures of proteins include hydrogen bonds, disulfide type linkages, van der Waals attraction, and electrostatic forces of attraction.

The primary structure is generally determined by adjoining peptide bonds where the link is adjoining amino acids in sequential order. Tertiary structure is determined by the existence of disulfide bonds in between hydrophobic interactions as well as cysteine residues whereas the quaternary type structure is determined by multiple subunits of a protein that undergo various interactions.

Hydrogen bonds exist in a protein molecule as its large number can form between adjacent regions of the polypeptide chain in folded form and stabilize its three-dimensional kind of shape.

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The empirical formula of the metal iodide is Cr2I.

Mass of Chromium = 23.98

Molar Mass of Chromium = 51.9961

= 0.461 mol

Molar Mass of iodide = 126.9

= 199.6-23.88/126 = 1.394

The ratio between

Chromium and iodinei is1:2.So, the empirical formula is therefore Cr2I

Empirical formula of a chemical compound is the simplest whole number ratio of atoms present in a compound.[1] A simple example of this concept is that the empirical formula of sulfur monoxide, or SO, would simply be SO, as is the empirical formula of disulfur dioxide, S2O2. Thus, sulfur monoxide and disulfur dioxide, both compounds of sulfur and oxygen, have the same empirical formula. However, their molecular formulas, which express the number of atoms in each molecule of a chemical compound, are not the same.

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The mass of NaCl produced is 0.117 g.

The pH of a solution is what tells us if the solution is acidic or basic. The solution is acidic if the pH of the solution is less than 7.

1) pH = - log(3.5 x 10^-5 M)

= 4.45

Thus the solution is acidic.

2) We can see that the concentration as given is the concentration of OH^-

[OH ] = 4.0 x 10^-3 M

pOH = -log (4.0 x 10^-3 M)

pOH = 2.39

pH = 14 -  2.39

pH = 11.61

The equation of the reaction is; [tex]NaOH + HCl ----- > NaCl + H2O[/tex]

Number of moles of NaOH =  0.40 M * 10/1000 = 0.004 moles

Number of moles of HCl = 0.20 M  * 10/1000 = 0.002 moles

We can see that HCl is the limiting reactant

Mass of NaCl produced ;

0.002 moles * 58.5 g/mol = 0.117 g

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Covalent bonds predicted from an atom of Silicon (Si) are Four covalent bonds.

Covalent bonds are generally formed by the non-metals. These bonds are formed when electrons are shared between the atoms. To know the number of covalent bonds in any atom, you must know the number of valence electrons.

Those elements which belong to the period 2 forms covalent bond as-

                                  8 - number of valence electrons.

Those elements which are from period 3, they form covalent bonds exactly same as the number of valence electrons.This is because d-orbitals are present in the period.

Silicon is the 14th element which belong to period 3. The electronic configuration of 1s² 2s² 2p⁶ 3s² 3p²

Just like Carbon (C), Silicon (Si) is tetravalent in nature, which means that it can easily share all four of its valence electrons and form covalent bonds. To become stable, Silicon(Si) will form four covalent bonds.

Silicon has four valence electrons, so it will form four covalent bonds.

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The compound with the most exothermic lattice energy in each of the following pairs of ionic substances is Ca3N2.

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The energy of the carbide released is 7262.5MJ.

We know that the reaction between calcium  oxide and carbon occurs in accordance with the reaction; [tex]CaO(s)+3C(s)----- > CaC_{2} (s)+CO(g)[/tex]. The reaction is seen to produce 464.8kJ of energy per mole of carbide produced.

Number of moles of [tex]CaC_{2}[/tex] produced = 1000 * 10^3 g/64 g/mol

= 15625 moles of calcium carbide

If 1 mole of [tex]CaC_{2}[/tex] transfers  464.8 * 10^3 J

15625 moles of calcium carbide transfers 15625 moles  * 464.8 * 10^3 J/ 1 mol

= 7262.5MJ

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A  Slump is a type of mass movement where the material stays fairly coherent and moves over a well-defined surface.

What is a slump?

A slump is a colloquial expression denoting a precipitous drop in commercial activity, trade, or market values. The term "slump" is particularly adaptable since it may be used to refer to both a brief, abrupt collapse and a longer-lasting, more steady period of low activity or value. There are downturns in the markets, the economy, industries, and incomes, among other things.

A slump typically refers to the start of a recession in economic terms. The months prior to the official announcement of a recession are simply referred to as a protracted economic slump because a recession is not officially announced until several months of decreased activity have passed.

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To ensure that the 9-Fluorenone was totally dry, it had to be washed with methylene chloride. To make sure that methylene chloride is present in a pure solution, sodium sulfate binds to water and precipitates.

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Answer:

Which problem ??

Explanation:

Can you write your problem ??

Answer:

average speed = 32

Explanation:

the formula is speed = distance / time

so s = d / t

s = 16 m / 0.5 s

s = 32 meter per second

The chemical formulas and groups of the given minerals are as follow:

Quartz : Sio2 (Silicate)

Calcite : CaCO3 (Carbonate)

Pyrite : FeS2 (Sulfide)

Gold : Au (Native Elements)

Copper : Cu (Native Elements)

A piece of quartz can scratch a sample of calcite, however calcite can't scratch quartz. If you have a sample if each, attempt to scratch one sample with the other to look at the distinction in the hardness. You also can take a look at the hardness of these two minerals using a pocketknife.

Quartz is the second most abundant mineral in Earth's crust after feldspar. It occurs in nearly all acid igneous, metamorphic, and sedimentary rocks. It is an essential mineral in such silica-rich felsic rocks as granites, granodiorites, and rhyolites.

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The answer to this question is

0.0037 ml is the measurement which has only non-significant figures.

The basic rules of significant figures are:

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The change in the internal energy of the gas is 1.5×10∧3 J.

The internal energy of an ideal gas is directly proportional to the temperature of the gas:

ΔE = 3/2 × n × R × ΔT

ΔT = 320 K - 260 K

ΔT = 60 K; change of the temperature

n = 2.0 mol: amount of a monatomic ideal gas

R = 8.1 J/mol×K;the ideal gas constant

ΔE = 3/2 × 2 mol × 8.1 J/mol×K × 60 K

ΔE = 1500 J

ΔE = 1.5×10∧3 J;  the internal energy of the gas

Isobaric process is a type of process in which the pressure of the system stays constant.

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The resulting temperature change is: 40 degrees c

Here given heat added to system 40kcl

Weight of water 1kg we know the specific heat of water is

S= 4.2 J/g \degree c=1 cal/g\degree c

Q=40kcal  m=1.0 kg=4000 g

We have the heat transfer equation given by

Q= ms\Delta t   where Q=heat energy   m=mass

\Delta t=change in temperature

Put the values and we'll have a change in temperature

\Delta t= [tex]\frac{Q}{ms}[/tex]

\Delta t= 40 degree C

Temperature is a numerical expression of how hot a substance or radiation is.

There are three different types of temperature scales: those that are defined by the average translational kinetic energy per freely moving microscopic particle, like an atom, molecule, or electron, in a body, like the SI scale; those that rely only on macroscopic properties and thermodynamic principles, like Kelvin's original definition; and those that are not defined by theoretical principles but rather by useful empirical properties of particulate matter.

A thermometer is used to determine temperature. It is calibrated using different temperature scales that historically defined themselves using different reference points and thermometric substances.

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The above statement is True.

Transmembrane proteins are the integral proteins, which helps ions and molecules to cross the membrane against the concentration gradient.

The transmembrane protein consist of both hydrophobic and hydrophilic amino acid side chains in his structure.

A membrane protein Is a protein molecule that is joined to or connected to an organelle’s or cell’s membrane. Depending on how the protein is connected to the membrane, membrane proteins can be divided into two categories, integral and peripheral membrane proteins.

The plasma membrane contains integral membrane proteins that are permanently ensconced there. They perform a variety of crucial functions like moving molecules through ion channels or transferring them across membranes.

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The element involved in the process of petrification, replacement, and  permineralization is silica, were petrification is the combination of 2 types of fossilization, replacement, and permineralization

Permineralization is a way of fossilization in which minerals ( like silica have deposited the fill the empty  pores of shells  or the  hard animal parts). Petrification is a process where the organic material is converted to stone by replacing the original material and the pores with minerals, and Replacement occurs when the original bones or shells dissolve away and is replaced by a different mineral, which occurs along with permineralization, the whole process is called petrification.

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The can be said about the mass of the 1M HCl and 1 M NaOH after they were combined

The combined mass of the 1 M HCl and 1 M NaOH was the sum of their respective masses.

So, hydrochloric acid reacts with sodium hydroxide approach to form sodium chloride and water. This response can be represented as: Hydrochloric acid + Sodium hydroxide → Sodium chloride + Water.

The mass of the 1.0 M HCl and 1.0 M NaOH solutions after they were combined is 76.5g.

HCl  +  NaOH ⇄ NaCl + H₂O

1 mole of HCl produces 1 mole of NaCl

36.5g of HCl produces= 58.5g of NaCl

36.5g of HCl produces= 18g of H₂O

Total mass after combining = 58.5g + 18g = 76.5g

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Answer:

They are called inert gases because they are stable and non-reactive. They have a full outer shell of valence electrons which gives them little tendency to participate in chemical reactions.

Explanation:

They are also know as the "noble" gases.

The molar mass of anthroquinone is 208g/mol. The empirical formula of anthraquinone is C₇H4O₁. And the molecular formula of anthraquinone is C₁₄H₈O₂

The empirical formula is only a ratio of the moles of the various chemicals expressed in whole numbers. They are the elements that make up the compound.

The total number of atoms of an element in a compound is indicated by the molecular formula. It is the total atoms.

Thus, the mpirical formula of anthraquinone is C₇H4O₁. And the molecular formula of anthraquinone is C₁₄H₈O₂.

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3 structural isomers can be drawn to represent the chemical formula C5H12.

When two or more organic compounds have the same molecular formula but different structures, they are said to be structural isomers, also referred to as constitutional isomers. The two molecules below share the same chemical formula, however they are distinct due to variations in the methyl group's placement.

It is an alkane, C5H12. There are 2 to the power (n-4)+1 isomers of an alkane, where n is the number of carbon atoms. Therefore, there are three structural isomers that might exist for C5H12 using the formula. They are methyl butane, n-pentane, and isopentane (dimethyl propane).

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The Tricyglycerol yields more energy on oxidation is the one containing three residues of stearic acid because it get fully reduced.

when atom or ion loses the electron in the process called as oxidation or the loss of hydrogen is called as oxidation. when the atom or ion gain electron  in the process called as reduction or gain of hydrogen is called as reduction

when the oxidation takes place  the oxidation state of atom increases and when reduction takes place the oxidation state of species decreases.

when molecule is oxidized, it loses energy and when molecule is reduced , it gains energy

Thus ,we can say that,The triacyglycerol cotaining the three stearic acid residues yield more energy because it is fully reduced.

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The number of atoms in 259 g of C₁₂H₂₁O₉ is 45 x 10²³ oxygen.

The molar mass of many compounds can be calculated by dividing the mass of the compound by the number of moles of the compound.

Given the molar mass is 309.29 g/mol

Given weight= 259g

number of moles = mass / molar mass

259g / 309.29g/mol =0.837mol

1 mol contains 6.022 x 10²³ molecules

0.837 mol contain 6.022 x 1023 x 0.837 = 5.0 x 10²³ molecules

1 molecule of C₁₂H₂₁O₉ contains 9 oxygen atoms

5.0 x 10²³ molecules of C₁₂H₂₁O₉ contain 9x 5 x 10²³ oxygen atoms.

=45 x 10²³ oxygen atoms

Thus, the number of atoms in 259 g of C₁₂H₂₁O₉ is 45 x 10²³ oxygen atoms

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Answer:

Explanation: your the best

Taking into account the reaction stoichiometry, the mass of ammonia formed is 34 grams.

In first place, the balanced reaction is:

N₂ + 3 H₂ → 2 NH₃

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

The molar mass of the compounds is:

Then, by reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

In this case, by reaction stoichiometry, a 28.0 g sample of nitrogen gas combines completely with 6.0 g of hydrogen gas. So, the mass of ammonia formed is 34 grams.

In summary, by reaction stoichiometry, the mass of ammonia formed is 34 grams.

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