3(so)4 how many sulfur atoms and oxygen

Answer:

It weighs about 0.819 kg.

The charge on the central metal ion (Fe) in Ca3[Fe(CN)6]2 is 0. The charge of the central metal ion can be calculated using the charges of the other ions present in the compound and the overall charge of the compound.

In Ca3[Fe(CN)6]2, the overall charge of the compound is 0 since it is neutral. The charge of the cyanide ion (CN-) is -1 and there are six of them, so the total charge contributed by the cyanide ions is -6. The charge of the iron ion (Fe) can be calculated using the fact that the compound has a 2- charge overall:

Charge on Ca3[Fe(CN)6]2 = 3(+2) + 2x(charge on Fe) + 6(-1) = 0

Simplifying this expression, we get:

6 + 2x(charge on Fe) - 6 = 0

2x(charge on Fe) = 0

Charge on Fe = 0/2 = 0

Therefore, the charge on the central metal ion (Fe) in Ca3[Fe(CN)6]2 is 0.

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Answer:

12 L of O₂.

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

CS₂ + 3O₂ —> CO₂ + 2SO₂

From the balanced equation above,

3 L of O₂ reacted to produce 1 L CO₂.

Finally, we shall determine the volume of O₂ needed to produce 4 L of CO₂. This can be obtained as follow:

From the balanced equation above,

3 L of O₂ reacted to produce 1 L CO₂.

Therefore, xL of O₂ will react to produce 1 L CO₂ i.e

xL of O₂ = 3 × 4

xL of O₂ = 12 L

Thus, 12 L of O₂ is needed for the reaction.

To determine  (in molarity) of a CsCl solution if 15.6 g of CsCl is dissolved in 750.0 mL of water, we can make use of the following formula

When a solute is dissolved in a solvent, the amount of solute that is present in the solution is known as its concentration. The most widely used method of expressing concentration is molarity (M), which is defined as the number of moles of solute in one liter of solution.To calculate the formal concentration of CsCl in the given solution, we can use the following formula:M = n / VHere, M represents the molarity of the solution, n represents the number of moles of solute, and V represents the volume of the solution in liters.

To apply this formula, we need to first calculate the number of moles of CsCl in the given solution. We can do this using the following formula:n = m / MwHere, n represents the number of moles of the solute, m represents the mass of the solute, and Mw represents the molecular weight of the solute. The molecular weight of CsCl is 168.36 g/mol.Substituting the given values, we get:n = 15.6 g / 168.36 g/moln = 0.0927 molNow that we have calculated the number of moles of CsCl, we can use it to calculate the molarity of the solution:M = n / VM = 0.0927 mol / 0.75 LM = 0.1236 mol/LTherefore, the formal concentration (in molarity) of the CsCl solution is 0.1236 mol/L.

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The new volume of the gas with 1.90 L of gas are heated from 25.00°C to 95.00°C. If the pressure remains constant, is 72.2L.

According to Charles Law the formula given here is V1/T1=V2/T2

Substituting the values in the equation we get

1.9/25=V2/ 95

V2= 1.9× 95/25

V2= 72.2 L

The experimental gas law known as Charles's law outlines how gases have a tendency to expand when heated. Charles's law is now expressed as follows: The volume and Kelvin temperature of a sample of a dry gas will be directly proportional to the pressure, when the pressure is held constant.

The volume of a gas is equal to a constant amount multiplied by the temperature of the gas as determined by the Kelvin scale (zero Kelvin is equivalent to -273.15 degrees Celsius), according to the physical law known as Charles' law.

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Answer:

bete is your answer.

have a great day.

I think c ....is write answers

Answer & Explenation:

2H2 + O2 -> 2H20 is the balanced equation for the reaction of Hydrogen with Oxygen to form water so

If you have 32g of O2 this is a simple Dimensional analysis problem

32g O2 x 36.03056g H20/31.9988g O2 this way the O2 cancels out and you are left with just the H2O so your raw answer would be 36.0319112, then if your instructor requires a significant figure answer that would be to 2 significant figures the information you were given 32g O2, so as above 36g or Water are produced. Just a different way to view and solve the problem with the balanced equation so you can see the way everything relates to everything else. the molar masses of O2 and H2O are simply found my adding up 2 Oxygens 15.9994g x2 = 31.9988g and H2O = 2(1.00794) + 15.9994 = 18.01258 but you then have to multiply that by 2 because the reaction states you get 2 mols in the reaction so that is where I came up with the 36.03056g for the solution. Hope this helps. Dimensional Analysis is and can be one of the best ways to solve these problems, because not always are you going to be dealing with 1:2 ratios.

If the sample of magnesium used in a lab was contaminated with another metal that doesn't react with hydrochloric acid, then the results obtained in the experiment would be affected.

This is because the data collected during the experiment would reflect the reaction between hydrochloric acid and the contaminated sample instead of pure magnesium. As a result, the following changes in results might have been observed:

1. The mass of the contaminated sample would be higher than the mass of pure magnesium.

2. The rate of reaction between the contaminated sample and hydrochloric acid would be slower than the reaction between pure magnesium and hydrochloric acid.

3. The volume of hydrogen gas collected from the reaction would be lower than the volume of hydrogen gas collected in the reaction between pure magnesium and hydrochloric acid.

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In molecular orbital theory, the bond orders in H2, H2+, and H2- are 1, 1/2, and 1/2 respectively. Your answer: d. 1, 1/2, and 1/2.

In molecular orbital theory, the bond orders in H2, H2+, and H2- are 1, 1/2, and 1/2 respectively. The bond order is defined as the difference between the number of bonding electrons and the number of antibonding electrons divided by 2. In H2, both electrons are in a bonding orbital, resulting in a bond order of 1. In H2+, one electron is removed from the bonding orbital, resulting in one bonding electron and one antibonding electron, leading to a bond order of 1/2. In H2-, an additional electron is added to the antibonding orbital, resulting in two antibonding electrons and one bonding electron, leading to a bond order of 1/2. Therefore, the correct answer is d. 1, 1/2, and 1/2.

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The molar mass of HNO3 is approximately 63 g/mol (1 hydrogen atom = 1 g/mol, 1 nitrogen atom = 14 g/mol, and 3 oxygen atoms = 48 g/mol). By dividing 6.3 g by the molar mass of HNO3, we find that it contains approximately 0.1 moles of HNO3. Since there are three oxygen atoms in each molecule of HNO3, there are 0.1 moles x 3 oxygen atoms = 0.3 moles of oxygen atoms in 6.3 g of HNO3.

To find the number of oxygen atoms, we first calculate the number of moles of HNO3 in 6.3 g by dividing the given mass by the molar mass of HNO3. The molar mass of HNO3 is the sum of the atomic masses of its constituent elements: 1 hydrogen atom (1 g/mol), 1 nitrogen atom (14 g/mol), and 3 oxygen atoms (16 g/mol each).

Adding them up gives us a molar mass of 63 g/mol for HNO3. Dividing 6.3 g by 63 g/mol gives us approximately 0.1 moles of HNO3.

Since each molecule of HNO3 contains 3 oxygen atoms, we can multiply the number of moles of HNO3 by 3 to find the number of moles of oxygen atoms. Therefore, 0.1 moles of HNO3 x 3 = 0.3 moles of oxygen atoms. This means that in 6.3 g of HNO3, there are approximately 0.3 moles of oxygen atoms.

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0.666g/ml is the density of a 50 g irregular solid with a volume 75 milliliters. Another way to state density is in kilograms per cubic meter.

Density is the mass of a specific material per unit volume. d = M/V, in which d is density, M is weight, and V is volume, is the formula for density. Grams per cubic centimeter are a typical unit of measurement for density.

For instance, whereas Earth has a density of 5.51 milligrams, water has a density of 1 milligrams. Another way to state density is in kilograms per cubic meter (in metre-kilogram-second or SI units).

density=mass/ volume

           =50 g /75 milliliters=0.666g/ml

Therefore, 0.666g/ml is the density of a 50 g irregular solid with a volume 75 milliliters.

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Answer: genotype: Ee phenotype: two small eyes.

genotype: RR'  phenotype: pink eyes

genotype: GB phenotype: green and blue splotches

genotype: cc phenotype:  straight

genotype: Tt phenotype:  has tail

genotype: Ss phenotype: sharp teeth

genotype: FF' phenotype: three toes

genotype: ww phenotype: white

genotype: YY phenotype: pointy

genotype: nn phenotype: two ears

genotype: Ll phenotype: long

Explanation: hope this helps (the uppercase letters are dominant genes. the lowercase letter are recessive genes. for a recessive gene to show up in a phenotype you need 2 lower case letters such as cc or ss. for a dominant gene to show up in phenotype you need either 1 or 2 uppercase letters such as Cc or SS. Codominant genes present both colors in the phenotypes i.e. a brown and white cow. incomplete dominance is when neither gene is dominant so a mix of the 2 are present in the phenotype i.e. a pink rose. A regulatory gene controls the expression of a gene

Answer:

1a) The most common reagents used for the oxidation of alcohols are potassium permanganate (KMnO4), chromic acid (H2CrO4), and potassium dichromate (K2Cr2O7). Other oxidizing agents include sodium hypochlorite (NaOCl), pyridinium chlorochromate (PCC), and Jones reagent (CrO3/H2SO4). The conditions vary depending on the reagent used, but generally, the reaction is carried out under acidic or basic conditions and at elevated temperatures.

b) The oxidizing agents generally have a distinctive color, and their color changes during the reaction. For example, potassium permanganate is purple in its initial state, but it turns brown when it is reduced. Similarly, potassium dichromate is orange, but it changes to green when it is reduced.

2a) When a primary alcohol is oxidized, it can produce either an aldehyde or a carboxylic acid, depending on the reaction conditions. When the oxidation is carried out under distillation conditions, the aldehyde is formed as the reaction intermediate, which is then distilled off before it can be further oxidized to a carboxylic acid. On the other hand, when the oxidation is carried out under reflux conditions, the aldehyde is in equilibrium with the carboxylic acid, and the carboxylic acid is formed as the major product. For example, when ethanol is oxidized using potassium dichromate in acidic conditions:

Under distillation conditions:

CH3CH2OH + [O] → CH3CHO + H2O

Under reflux conditions:

CH3CH2OH + 2[O] → CH3COOH + H2O

b) i) The experimental set-up to oxidize ethanol to ethanoic acid would involve refluxing ethanol with an excess of potassium dichromate in acidic conditions.

ii) The experimental set-up to oxidize ethanol to ethanal would involve distilling a mixture of ethanol and a limited amount of oxidizing agent, such as pyridinium chlorochromate or Jones reagent, at a temperature that is lower than the boiling point of ethanal.

See the attached image for the requested drawings of ethane, ethanol, and propanone.

(please could you kindly mark my answer as brainliest)

The age of a piece of cotton cloth when the carbon-14 composition of the cloth is 22 percent that of living plants is D) 12,517 years.

To determine the age of the cotton cloth, you can use the half-life formula for carbon-14 dating. Since the cloth has 22% of the carbon-14 composition of living plants, it has gone through multiple half-lives. To calculate the number of half-lives (n), you can use the formula:

Final amount = Initial amount * (1/2)^n

In this case, the final amount is 22% (0.22) and the initial amount is 100% (1). Rearranging the formula to find n:

n = log(0.22) / log(0.5)

n ≈ 2.18 half-lives

Now, use the half-life of carbon-14 (5,730 years) to find the age of the cloth:

Age = n * half-life

Age = 2.18 * 5,730 years ≈ 12,517 years

So, the cotton cloth is approximately 12,517 years old (Option D).

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requires 10 hours of contact time; anything less than 10 hours is disinfection, not sterilization.

Answer:

c warm water

Explanation:

Kinetic energy is related to temperature. The molecules in a glass of warm water have more kinetic energy (they move faster – see Racing Molecules) than the molecules in a glass of cold water. The temperature of a substance is the average* amount of kinetic energy its molecules have.

Answer:

hot water

Explanation:

Bond angles also have an effect on the structure of molecules. Bond angles are the angles that connect adjacent lines to form bonds. The bond angle can be used to differentiate between linear, trigonal planar, tetraheral, trigonal-bipyramidal, and octahedral structures.

Thus, the molecular structure is bent at an angle just shy of 109.5° and the electron-pair geometry is tetrahedral.

The first four domains—Nutrition, Environment, Health, and Behavior—all contribute to our understanding of the animal's diverse experiences, which comprise the fifth domain, the Mental Domain.

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question:-

Select all that apply select all the options that correctly describe the bond angles associated with each electron-domain geometry?

a: The trigonal bipyramidal system has two different bond angles.

b: A species with 3 electron domains will exhibit an ideal bond angle of 120o.

c: A bond angle of 180o is observed for a linear system.

the area where it's most likely that electrons will be detected (bonding and nonbonding). One portion of an electrons domain is represented by a lone pair, singles, doubles, and triple bond.

Two categories of electron domains exist: 1) A bound atom, and 2) an electron pair that is not ponding. All bonded atoms count as one electrons domain on the center atom, regardless of whether they are connected by a single, double, or triple bond. There are five fundamental geometries for electron domains.

Geometries of the electron domain. The five shapes that molecules can have in their electron domain geometries are linear, tetrahedral, triangular planar, triangular bipyramidal, and octahedral. Both the geometries and the forms of molecules exhibit many exceptions. They could be twisted, T-shaped, square planar, etc.

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Answer:

C. is the correct answer

Explanation:

I took the test

The vaporization of liquid water to steam at a pressure of 1 atm is given. then a) endothermic; b) above 100 °C; c) below 100 °C ; d)100 °C.

Phase transition from the liquid phase to vapor is called Vaporization. Types of vaporization are as : evaporation and boiling, in which evaporation is a surface phenomenon and boiling is a bulk phenomenon.

a)The vaporization of water requires addition of the heat of vaporization for the given mass of water and also the heat required to raise the water to the boiling point.

b)The boiling of water is a spontaneous process above the boiling point for water that is 100 °C.

c)It is a non-spontaneous process below the boiling point of water that we know is 100 °C.

d) The two phases are in equilibrium at 100 °C.

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The features that distinguish conjugated dienes from isolated dienes are that they undergo reactions differently than isolated dienes and they are more stable than isolated dienes. Therefore, options 2 and 4 are correct.

Conjugated dienes are compounds that have two double bonds that are separated by one single bond, while isolated dienes are compounds that have two double bonds that are separated by two or more single bonds. For example, a conjugated diene would have the structure CH2=CH-CH=CH2, while an isolated diene would have the structure CH2=CH-CH2-CH=CH2.

The difference between the two is important because conjugated dienes are more stable and reactive than isolated dienes. This is because the double bonds in conjugated dienes are able to delocalize their electrons across the molecule, which gives them more stability and reactivity.

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The difference between two atoms of carbon having the same number of neutrons is in the number of protons present in their nuclei. The atomic number of carbon is 6, which indicates the number of protons in its nucleus. For instance, if there are two carbon atoms with the same number of neutrons but have different numbers of protons, they are isotopes of carbon. This is because their atomic numbers will be different, but the mass number will be the same.

Isotopes have the same atomic number and the same number of protons but a different number of neutrons and mass numbers. In general, isotopes have the same chemical properties but different physical properties. These properties include radioactivity and stability, half-life, and atomic mass. Carbon-12 and carbon-14 are examples of isotopes of carbon, with carbon-12 having six neutrons and carbon-14 having eight neutrons.

Two atoms of carbon having the same number of neutrons are called isotopes. They differ in the number of protons present in their nuclei.

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The predicted electron geometry is a trigonal planar geometry.

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Answer:

If the ocean is to acidic, people and plants would be negatively affected.

Explanation:

Answer:

if would be dangerous for the animals in water.

Explanation:

Answer: 55,000

Explanation:

Scientific Notation: 5.5 x 10⁴

Standard form: move the decimal 4 places to the right

                         5 5 0 0 0 0.

                      =  55,000

Answer:

5.72×10^2

Explanation:

5.5×104

=55×104

=5720÷10

=572

=5.72×10^2

Five alkene products, By dehydrating 3-methyl-3-hexanol, five alkene compounds are attainable.

Alkenes can interact with various chemical kinds in addition reactions.

For instance:

Alkenes are a group of unsaturated hydrocarbons (i.e., molecules with solely carbon and hydrogen) that include at least one double bond from carbon to carbon. Olefins is a different name for alkenes. Due to the double bond, alkenes are more reactive than alkanes.

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The approximate balance in the account at the end of 6 years is $159,074. Rounded to the nearest dollar, it is $159,074.

Assuming that the annual rate of $20,000 is deposited at the beginning of each year, the total amount deposited over 6 years would be $120,000. With continuous compounding at 5% interest rate, the formula to calculate the balance in the account after 6 years is:
A = Pe^(rt)
Where A is the balance, P is the principal (amount deposited), e is the mathematical constant approximately equal to 2.71828, r is the interest rate in decimal form, and t is the time in years.
Plugging in the values, we get:
A = $120,000e^(0.05*6)
A = $159,073.51
Therefore, the approximate balance in the account at the end of 6 years is $159,074. Rounded to the nearest dollar, it is $159,074.

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Answer:

Put sand in one cup and water in the other. Put two heat lamps at equal height and under each one put the water and sand, this must be done at the same exact time. Set a timer for 5, then 10, then 15, and so forth minutes. Each time measure the temperature of each with the thermometers and write the down. Have a certain temperature you want them to get to and see which gets to it quicker. Then set a new temp 3 times to see if the answer is consistent.

Explanation:

Doing this would test whether land or water heats quicker.

Answer:

heat lamps

Explanation: