How many days is 1.6 x 10^7 minutes?

The solubility of caco3 (formula weight 100.1) is 0.0095 g in 1800 ml, The ksp is  8.6x10-8

Ksp is the solubility product constant, which is the equilibrium constant for a saturated solution of an ionic compound at a given temperature. To calculate the Ksp, we need to know the molar solubility of the compound.  The molar solubility of caco3 can be calculated from the given solubility, which is 0.0095 g in 1800 ml. To calculate molar solubility, we need to convert the solubility of caco3 into moles. 0.0095 g of caco3 is equal to 0.00094 moles.   Now, we can use the equation for Ksp, which is Ksp = [Ca2+][CO32-]. Substituting the molar solubility of caco3, we get Ksp = 0.00094 x 0.00094 = 8.6x10-8.

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Answer:

1807.24L

Explanation:

Using combined gas law equation:

P1V1/T1 = P2V2/T2

Where;

P1 = pressure on Earth

P2 = Pressure on Mars

V1 = volume on Earth

V2 = volume on Mars

T1 = temperature on Earth

T2 = temperature on Mars

According to the information provided of the balloon in this question;

P1 = 1 atm

P2 = 4.55 torr = 4.55/760 = 0.00599atm

V1 = 14.5L

V2 = ?

T1 = 19°C = 19 + 273 = 292K

T2 = -55°C = -55 + 273 = 218K

Using P1V1/T1 = P2V2/T2

1 × 14.5/292 = 0.00599 × V2/218

14.5/292 = 0.00599V2/218

Cross multiply

14.5 × 218 = 292 × 0.00599V2

3161 = 1.74908V2

V2 = 3161 ÷ 1.74908

V2 = 1807.24L

Each type of electromagnetic radiation and placed in order of increasing photon energy and increasing frequency

This is further explained below.

Parameters

Frequency =107 100 000 hertz

Wavelength, λ = c / ν => 2.8 m => 2.12 * 10-10 m

Energy = 3.97 * 10 -19 J/ photon.

Generally, the equation for Wavelength is  mathematically given as

λ = h c / E

Therefore

λ =6.626 * 10-34  * 3 * 108  / (3.97* 10 -19 J)

λ =5 * 10-7 m

In conclusion, This is considered to be part of the viewable area (green Increasing photon energy from lowest to highest.

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Answer:

mathematics is important

Answer:

The ionic radius is the the distance from the nucleus to the outermost electrons in a ion. While the atomic radius is the distance from the nucleus to the normal valence electrons.The ionic radius is half the distance between two gas atoms that are just touching each other. If the atom loses its outermost electron (positively charged or cation), the ionic radius is smaller than the atomic radius because the atom loses an electron energy shell.

Explanation:

molar solubility of PbBr2 in 0. 500 M KBr solution is 4S3 = 6.60 x 10–6 . PbBr2 ionizes as Pb2+ + 2Br-, molar solubility of PbBr2 in a 0. 500 M Pb(NO3)2 solution is 0.0181 moles/lit..

If molar solubility of PbBr2 is “S”, then solubility of Pb2+ is also “S” but that of Br- would be “2S”. Ksp = [Pb2+] [Br-]2 = (S) (2S)2 = 4S3 = 6.60 x 10–6 4S3 = 6.6 x 10–6,this gives Solubility S = 1.181 x 10–2 = 0.0181 moles/lit. solid's solubility (usually referred to as its molar solubility) is expressed as the concentration of the "dissolved solid" in a saturated solution. This would simply be the concentration of Ag+ or Cl- in the saturated solution for a simple 1:1 solid like AgCl. The other way to express solubility is through molar solubility, which is defined below. It is the number of moles of solute in one litre of saturated solution and is abbreviated with a lower case's'. It is expressed in moles per litre, also known as molarity.

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Answer:

Nonmetal UwU

Explanation:

The density of the hypothetical metal if it has the bcc crystal structure, and the atomic radius of 0.149 nm, and an atomic weight of 98.23 g/mol is 8.01 g/cm³.

For the bcc crystal lattice :

4r = √3a

a = 4r /  √3

a = 4  × 0.149 /  √3

a = 0.344 nm

a = 3.44 × 10⁻⁸ cm

The expression for the density is as :

D = ( N × M ) / ( Na × a³ )

Where,

For bcc N = 2

Atomic weight , M = 98.23 g/mol

Avogadro number, Na = 6.022 × 10²³

Edge length, a = 3.44 × 10⁻⁸ cm

D = (2 × 98.23 ) / ( (3.44 × 10⁻⁸)³ × 6.022 × 10²³)

D = 196.46 / 40.70 × 10⁻²⁴ × 6.022 × 10²³

D = 196.46 / 24.509

D = 8.01 g/cm³

The density of the metal is 8.01 g/cm³.

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Answer:

maybe it was ice and the ice melted and then evaporated?? im not too sure either thats just my guess. Also it couldve gotten hotter inside the truck thats why it melted and evaporated.

Answer:

1.25 m

Explanation:

there are 100 cm in a metre. So to convert cm to m you divide the cm by 100

there are 1.25 meters in 125 cm

It is true that the  principles used in handling a Hazardous Material (HazMat) does apply to  Chemical, Biological, Radiological, Nuclear, and Explosive (CBRNE) incidents.

The term hazardous chemicals refers to those substances that are able to cause harm to fauna and flora.

Thus, It is true that principles used in handling a Hazardous Material (HazMat) does apply to  Chemical, Biological, Radiological, Nuclear, and Explosive (CBRNE) incidents.

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The charge on the complex-ion in the compound K3Au(CN)6 is -3.

This is because each cyanide ion (CN-) has a charge of -1, and there are six of them. Additionally, the overall charge of the compound must be neutral since it is a salt, and potassium (K+) has a charge of +1, so there must be three potassium ions to balance out the charge of the complex-ion. Therefore, the correct answer is C. The compound K3Au(CN)6 is a potassium salt of a gold cyanide complex-ion. In this compound, the complex-ion is Au(CN)6^3-. The overall charge on the complex-ion is -3 (Option C). This negative charge is balanced by three potassium ions (K+), each having a charge of +1, resulting in a neutral compound.

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Answer:

I think it would be Bonding

Explanation:

Valence electrons indicate an element's bonding behavior, stability, and reactivity.

Answer:

the answer key is

for atomic but you find it from the periodic table

porotons = atomic number

neutrons = atomic mass - protons number

electrons number = proton number

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Answer:

more genetic variation within a population usually enables more phenotypic variation.

Explanation:

Because natural selection acts directly only on phenotypes,  Some new alleles increase an organism's ability to survive and reproduce, which then ensures the survival of the allele in the population.

Genetic variation lets the organisms survive long term as it increases the phenotypic and the genotypic variation.  Genetic variation is due to the type of reproduction that involves two parents.

Genetic variation is the modification of the original genome of the organism by genetic recombination and mutation that can be beneficial in the survival and the natural selection process.

Reproduction involving two parents of the same species allow genetic variation as the process of independent assortment and crossing over of the chromosomes inherited from both creates species with different traits and genotype.

Therefore, the reproduction involving two parents results in genetic variation.

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Answer: 4NH3 + 5O2 —-> 4NO + 6H2O

Explanation: You balance it by making sure each have the same amount on each side.

There is 4 nitrogen on each side.

There is 12 hydrogen on each side (4*3) and (6*2).

There is 10 oxygen on each side (5*2) and (4+6)

PCR stands for Polymerase Chain Reaction. It is a laboratory technique for amplification of small quantities of DNA.

The method is frequently used to generate millions or billions of copies of specific DNA sequences, making them easier to study and evaluate. It works by first separating double-stranded DNA into single strands, then employing a heat-stable enzyme called Taq polymerase to synthesis new DNA strands from the original template strands. The process is subsequently repeated several times to make an exponentially greater number of DNA copies. The generated DNA copies can be utilised for genetic testing, forensic investigation, and disease diagnosis, among other things.

PCR has transformed molecular biology by allowing researchers to investigate minuscule amounts of DNA that would otherwise be undetected. PCR allows researchers to study genetic mutations, track disease spread, and evaluate ancient DNA samples by amplifying DNA.

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A mixed inhibitor that has a higher affinity for the enzyme compared to the substrate can affect the Michaelis-Menten constant (Km) in enzyme kinetics by increasing the value of Km.

Km is a measure of the substrate concentration required for half-maximal velocity and is a key parameter in describing enzyme catalysis. However, In the presence of a mixed inhibitor, the inhibitor molecule can bind to both the free enzyme and the enzyme-substrate complex with different affinities.

The binding of the inhibitor to the free enzyme reduces the number of active enzyme molecules available for catalysis while binding to the enzyme-substrate complex slows down the catalytic reaction. This leads to a reduction in the effective concentration of the enzyme-substrate complex, which in turn increases the apparent Km value.

In other words, the higher affinity of the mixed inhibitor for the enzyme reduces the efficiency of the enzyme-substrate complex formation, making it more difficult for the substrate to bind to the enzyme, hence increasing the value of Km. Therefore, a mixed inhibitor that has a higher affinity for the enzyme compared to the substrate can cause a decrease in the efficiency of enzyme catalysis, which is reflected in the increase in Km.

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The equilibrium concentrations for the given reaction at a certain temperature will be 100.

During a reversible chemical process, chemical equilibrium is the state where there would be no net change in the number of reactants as well as products.

The reaction is the process in which by the combination of more than one element new kind of element will be formed.

Given data:

The given reaction is \(N_{2} (g) + O_{2} (g)\)  → \(2NO(g)\)

The equilibrium constant (K) = \([NO]^{2} /[N_{2}][O_{2}]\)

Put the value of the given data in the above equation.

K =  \(=[0.002 M]^{2} / [0.65M][0.45M]\\=[4*10^{-6} ]/ [0.2950]\\= [4*10^{-6} ] / 2950*10^{-4}\\= 1.35 * 10^{-5}\)

Therefore, the equilibrium constant will be 1.35 × \(10^{-5}\)

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Compounds are substances formed by the chemical combination of two or more elements in definite proportions. These elements can be metals, non-metals, or a combination of both. The atoms in compounds are held together by chemical bonds, which can be ionic or covalent.

Scientists name compounds using a systematic approach called chemical nomenclature. The naming process follows specific rules and conventions to ensure clarity and consistency. One common naming system is the IUPAC (International Union of Pure and Applied Chemistry) system. This system provides guidelines for naming both inorganic and organic compounds.

In the IUPAC system, the name of an inorganic compound typically reflects its composition and valence of the elements present. For example, sodium chloride is named based on the elements sodium and chlorine. The name "sodium" comes from the metal sodium, and "chloride" indicates the presence of the element chlorine.

Organic compounds, which contain carbon, have a more complex naming system. The IUPAC system assigns a specific name to each organic compound based on its structure and functional groups. This systematic approach allows scientists to identify and communicate the precise composition of the compound.

In addition to the IUPAC system, there are common names for some compounds that have been in use for many years. These names are often derived from historical or traditional sources. However, the IUPAC system is preferred for its consistency and universality.

By using a systematic naming approach, scientists can communicate effectively about compounds, ensuring that others can understand the chemical composition and properties of these substances. The naming process facilitates accurate identification, classification, and study of compounds in various scientific disciplines.

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Compounds are substances formed by the chemical combination of two or more elements in definite proportions. These elements can be metals, non-metals, or a combination of both. The atoms in compounds are held together by chemical bonds, which can be ionic or covalent.

Scientists name compounds using a systematic approach called chemical nomenclature. The naming process follows specific rules and conventions to ensure clarity and consistency. One common naming system is the IUPAC (International Union of Pure and Applied Chemistry) system. This system provides guidelines for naming both inorganic and organic compounds.

In the IUPAC system, the name of an inorganic compound typically reflects its composition and valence of the elements present. For example, sodium chloride is named based on the elements sodium and chlorine. The name "sodium" comes from the metal sodium, and "chloride" indicates the presence of the element chlorine.

Organic compounds, which contain carbon, have a more complex naming system. The IUPAC system assigns a specific name to each organic compound based on its structure and functional groups. This systematic approach allows scientists to identify and communicate the precise composition of the compound.

In addition to the IUPAC system, there are common names for some compounds that have been in use for many years. These names are often derived from historical or traditional sources. However, the IUPAC system is preferred for its consistency and universality.

By using a systematic naming approach, scientists can communicate effectively about compounds, ensuring that others can understand the chemical composition and properties of these substances. The naming process facilitates accurate identification, classification, and study of compounds in various scientific disciplines.

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Answer:

Charles's law is: When the pressure on a sample of a dry gas is held constant, the Kelvin temperature and the volume will be in direct proportion. So the volume would increase

An ionic compound that uses neon is that neon does not easily form ionic compound because neon belongs to noble gases and they are extremely stable and their reactivity is practically nil.

Neon is belongs to group 18 which is noble gases. noble gases have 8 valence electron in the outer most shell and that follow the octet rule. noble gases are extremely stable in the periodic table. so, they are very less reactive or we can say that non reactive gases.

Thus, An ionic compound that uses neon is that neon does not easily form ionic compound because neon belongs to noble gases and they are extremely stable and their reactivity is practically nil.

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Answer:

IT îs said that the cell separarea water into its constituent elemente hidrogen and oxigen . Turn the hidrogen will ne burned ți obtain energy nu restoring the water molecules.

mitochondria

im not 100% sure but it makes sense

Atmospheric pressure is the weight of the air or atmosphere that is felt by everything on earth. Option B.

When you press the plunger the air inside the tube and plunger will bubble out. Atmospheric pressure is applied to the surface of the liquid. Release the valve and the water in the tube will move. The atoms and molecules that make up the various layers in the atmosphere are constantly moving in random directions.

Despite its small size when it collides with a surface it exerts a force on that surface and perceives it as pressure. A low-pressure area also called a low-pressure area, is an area where the atmospheric pressure is lower than the surrounding area. Lows are usually associated with strong winds warm air and atmospheric rise.

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2.56 L is the volume of air in his tank at a depth of 100 ft (3 atm) and a temperature of 24°C.

The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).

Given data:

\(P_1=1 atm\)

\(V_1=3.20 L\)

\(T_1\)=30°C

\(P_2=3 atm\)

\(V_2=?\)

\(T_2=24°C\)

Using the equation:

\(\frac{P_1V_1}{T_1}\) =\(\frac{P_2V_2}{T_2}\)

\(V_2\) =(1 atm x 3.20 L x 24°C) ÷ 30°C

\(V_2\) = 2.56 L

Hence,  2.56 L is the volume of air in his tank at a depth of 100 ft (3 atm) and a temperature of 24°C.

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Answer:

The three main subatomic particles that form an atom are protons, neutrons, and electrons.

Explanation:

Answer:

The three main subatomic particles that form an atom are protons, neutrons, and electron

We can determine element whether they can exist alone or not by knowing the number of atom it contains.

Definition of Monatomic Gases -

Monatomic is a compound word made up of the letters "mono" and "atomic," which stand for a single atom. This phrase refers to the gases as monatomic gases and is used in both physics and chemistry.

Examples of Monatomic Gases -

Helium

Radon

Neon

Xenon

Definition of diatomic element-

Only two atoms make up diatomic molecules, which are those molecules. A diatomic molecule is referred to as homonuclear if it is made of only one element, and as heteronuclear if it is made of two separate elements.

Examples of diatomic molecules are -

Hydrogen H2

Nitrogen N2

Fluorine F2

Oxygen O2

Definition of Triatomic molecules -

These gases are composed of triatomic molecules, or molecules with a three-atom atomicity.

Examples of triatomic molecules -

Ozone(O3)

Water(H2O)

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Answer:

Fredrick Mohs

Explanation:

Its just right G