Determine the oxidation state of Cl in CIO3. A +3 B +7 C 0 D +1 E +5

Answer:

1023 mole or just 1

2 elements

1 atom of carbon and 2 atoms of oxygen

2 I believe

and I think the 2 is a subscript

To determine the pH of a solution based on the hydronium ion concentration, you can use the equation:

pH = -log[H₃O⁺]

where [H₃O⁺] is the concentration of hydronium ions.

In this case, the hydronium ion concentration is 6.5x10^-4 M.

Calculating the pH:

pH = -log(6.5x10^-4)

= -log(6.5) - log(10^-4)

= -log(6.5) + 4

Using a calculator or logarithmic tables, you can find that the logarithm of 6.5 is approximately 0.81.

pH ≈ 0.81 + 4

pH ≈ 4.81

Rounding to the nearest whole number, the pH of the solution is approximately 5.

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From the calculation, there are 1.5 g of water produced in the reaction.

An equation shows the chemical transformation that takes place in a reaction vessel. In this case, the equation is; C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O.

Now;

Number of moles of glucose = 2.5g/180 g/mol = 0.014 moles

Since 1 mole of glucose produces 6 moles of water

0.014 moles of glucose produces 0.014 moles * 6 moles/ 1 mole

= 0.084 moles

Mass of water produced = 0.084 moles * 18 g/mol = 1.5 g of water

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Answer: 1 mole of \(Ca\) has the greatest mass.

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP , contains avogadro's number \((6.023\times 10^{23})\) of particles and weighs equal to the molecular mass of the substance.

1 mole of \(Ca\) has a mass of 40 g.

1 mole of \(CO\) has a mass of 28 g

1 mole of \(O_2\) has a mass of 32 g

1 mole of \(CH_4\) has a mass of 16 g.

1 mole of \(NO\) has a mass of 30 g.

Thus the greatest mass is of 1 mole of \(Ca\)

speed = distance / time

time = 12 m / 60 m/s

time = 0.20 seconds

To solve this we must be knowing each and every concept related to environment. Therefore, the correct option is option B among all the given options.

An environment may be simply defined as a system that includes all abiotic and biotic components that have an impact on human life. All flora and animals are considered biotic, or living, elements, whereas water, sunshine, air, temperature, etc. are considered abiotic.

Any good, service, or feature that benefits people and society might be considered one of an environment's resources. They might be anything that fulfills a person's requirements on a daily basis. Amount of oxygen in the water is a biotic factor of an aquarium environment.

Therefore, the correct option is option B.

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Answer: B: Water Temperature

Explanation: k12 test 1.04 Science Life semester 2

Answer:

Br-CH2-CH(CH3)2-C(Cl)H-CH(CH3)2-CHO

Explanation:

The molecule has a total of 14 carbon atoms, 13 hydrogen atoms, and 1 bromine atom. The carbon atoms are arranged in a chain with a methyl group attached to the second carbon atom, a chlorine atom attached to the third carbon atom, and two methyl groups attached to the fourth carbon atom. The fifth carbon atom has a carbonyl group attached to it.

The molecule is an aldehyde, which means that it has a carbonyl group (C=O) at the end of the chain. The carbonyl group is polar, and the oxygen atom has a partial negative charge. The hydrogen atom has a partial positive charge. This polarity makes the aldehyde group susceptible to nucleophilic attack.

The bromine and chlorine atoms are both electrophilic, which means that they have a partial positive charge. This makes them susceptible to nucleophilic attack.

The methyl groups are non-polar and do not have any significant reactivity.

The molecule is a chiral molecule, which means that it has a mirror image that is not superimposable on itself. This is because the carbon atom with the carbonyl group is attached to four different groups.

The molecule is a liquid at room temperature and has a strong odor. It is used in a variety of products, including perfumes, flavorings, and plastics.

Marlon can conclude that the cell belongs to the Kingdom Protista if he observes that the paramecium has a nucleus.

The presence of a nucleus is a characteristic feature of eukaryotic cells, which are found in Protists, Fungi, Plants, and Animals. Therefore, if Marlon observes that the paramecium has a nucleus, he can conclude that the cell belongs to the Kingdom Protista, which includes unicellular eukaryotic organisms.

The presence of a nucleus is one of the defining features of eukaryotic cells, which are found in Protists, Fungi, Plants, and Animals. The Protista Kingdom includes unicellular organisms that have a nucleus and other membrane-bound organelles.

However, he would need to observe other features of the cell to further classify it into a specific group or species within the Protista Kingdom.

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Answer:

Explanation:

Is k2s a soluble in water?

Potassium Sulfide is a moderately water and acid soluble Potassium source for uses compatible with sulfates.

odium hydroxide, also known as lye and caustic soda, is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations Na⁺ and hydroxide anions OH⁻ .

Answer:

\(6molNa\\\\9molN_2\)

Explanation:

Hello there!

In this case, given the chemical reaction:

\(2NaN_3\rightarrow 2Na+3N2\)

It is possible to evidence the 2:2 mole ratio of the reactant to Na and the 2:3 mole ratio of the reactant to the N2; therefore, the following setups allows us to compute the moles of products:

\(6molNaN_3*\frac{2molNa}{2molNaN_3}=6molNa\\\\6molNaN_3*\frac{3molN_2}{2molNaN_3}=9molN_2\)

Best regards!

7.60grams

The formula for calculating the molarity of a solution is expressed as;

Given the following parameters

molarity of solution = 0.250M

volume of sample = 200mL

Substitute to determine the mole of the solute

Determine the required mass of FesO4

Hence the mass of FeSO4 is 7.60grams

Answer:

53.3 %.

Explanation: C2H4O2. = 2 * 12.011 + 4 * 1.008 + 2 * 15.999. = 60.052.

Formic acid is defined as the simplest carboxylic acid, containing only a single carbon in the middle of the molecule connected to Hydrogen and a Carboxylic group. A carboxylic group has the following conformation: COOH, which makes letter D the correct answer.

Answer:

A

Explanation:

If Hydrogen is H₂  There will be two silver

and is Carbon is C There will only be one gray

and if Oxygen is O₃ There will be three red

Explanation:

For dissolving dry mortar on floor tiles, you can use concrete and mortar dissolver. You can find this product at your local hardware store or online12.

For removing KMnO stains, you can use vinegar. Mix vinegar with water and spray or pour it on the tile surface. Let the vinegar water set in for a few minutes, then sponge the entire area to get it as clean as possible. Next, use a razor blade or scraper to peel up the mortar. Be careful not to gouge or scratch the tiles3.

KMnO is potassium permanganate. it makes water drinkable if it's polluted

For drying acid anhydrides, you can use calcium chloride. Calcium chloride is a hygroscopic substance that absorbs moisture from the air and can be used as a desiccant.

desiccants keeps things dry so they last longer like food & clothes

bingAI

There is no reason to run these solutes at the 20 MWCO because they are both much smaller than the MWCO of the membrane.

The MWCO (molecular weight cut off) is the molecular weight of a solute at which it will be retained by a membrane during a process such as ultrafiltration or dialysis. If a solute has a molecular weight higher than the MWCO of a membrane, it will be retained and not pass through the membrane. If the molecular weight of a solute is lower than the MWCO, it will pass through the membrane.

In this case, glucose has a molecular weight of 180 g/mol (6 carbons x 12 g/mol per carbon + 6 oxygens x 16 g/mol per oxygen) and albumin has a molecular weight of approximately 81,942 g/mol (607 amino acids x 135 g/mol per amino acid). Both of these solutes have molecular weights that are much lower than 20,000 g/mol, which is a typical MWCO for ultrafiltration or dialysis membranes.

They would both easily pass through the membrane and be lost during the process. Instead, a membrane with a much lower MWCO would be needed if we wanted to retain these solutes during a process such as ultrafiltration or dialysis.

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The amount of heat energy produced when 1 g of hydrogen and 2 g of nitrogen are reacted, is -6.61 KJ

First, we shall obtain the limiting reactant. Details below:

3H₂ + N₂ -> 2NH₃

From the balanced equation above,

28 g of N₂ reacted with 6 g of H₂

Therefore,

2 g of N₂ will react with = (2 × 6) / 28 = 0.43 g of H₂

We can see that only 0.43 g of H₂ is needed in the reaction.

Thus, the limiting reactant is N₂

Finally, we the amount of heat energy produced. Details below:

3H₂ + N₂ -> 2NH₃ ΔH = -92.6 KJ

From the balanced equation above,

When 28 grams of N₂ reacted, -92.6 KJ of heat energy were produced.

Therefore,

When 2 grams of N₂ will react to produce = (2 × -92.6) / 28 = -6.61 KJ

Thus the heat energy produced from the reaction is -6.61 KJ

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Answer:

amplitude= distance between midpoint of a wave and crest

crest= highest point of transverse wave

wavelength= distance traveled in one wave cycle

medium= matter distributed by energy

trough=lowest point of transverse wave

frequency=number of waves that pass per second

Explanation:

A wave is a dynamic perturbation of one or even more quantities that propagates in a specific medium.

A wave is a dynamic perturbation of one or even more quantities that propagates in physics, mathematics, or related sciences. When waves oscillate frequently around an equilibrium position at a certain frequency, they are said to be periodic. A traveling wave is one in which the whole waveform moves inside one direction; in contrast, a standing wave is one in which two periodic waves are overlaid and move in the opposing directions.

In a wave form, there are some points in which the wave amplitude seems reduced or even zero, and these positions have null vibration amplitudes. A wave equation or perhaps a one-way wave equation describing single wave propagation inside a specific direction is frequently used to describe waves.

amplitude= distance between midpoint of a wave and crest

crest= highest point of transverse wave

wavelength= distance traveled in one wave cycle

medium= matter distributed by energy

trough=lowest point of transverse wave

frequency=number of waves that pass per second

Therefore, a wave is a dynamic perturbation of one or even more quantities that propagates

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Answer:

b

Explanation:

b

Answer:

The work performed ≅ 1.26 × 10 ⁴ J

Explanation:

The internal energy change of a monoatomic ideal gas is represented by the equation:

ΔU = n*Cv*ΔT

where;

the heat capacity Cv for an ideal monoatomic gas is (3/2) R

Then;

ΔU = n × (3/2) R × ΔT

ΔU = 3 × (3/2) × 8.314 ×( 540-350)

ΔU = 7108.47 J

Using the 1st law of thermodynamics;

The work performed = Heat added + the internal energy change

The work performed = 5500 J + 7108.47 J

The work performed = 12608.47

The work performed ≅ 1.26 × 10 ⁴ J

The value of Ea is 102.9 kJ/mol.

The activation energy A is 102.9 kJ/mol and the pre-exponential factor is 1.63 * 10⁹ M⁻¹s⁻¹.

The Arrhenius equation is given as :

k = A * e^(-Ea/RT)

We then use different pairs of data from the table and set up this equation.

k1 = A * e^(-Ea/(RT1))

k2 = A * e^(-Ea/(RT2))

Taking the ratio of these two equations, we have:

k1/k2 = e^(-Ea/R * (1/T1 - 1/T2))

Ea = -R * ln(k1/k2) / (1/T1 - 1/T2)

Using the first two data points to get:

Ea = -8.314 J/(mol*K) * ln(0.22/0.028) / (1/650 - 1/600)

Ea = 102.9 kJ/mol

Using the first data point to solve for A :

A = k1 / e^(-Ea/(RT1))

A = 0.028 M⁻¹s⁻¹ / e^(-102.9 kJ/mol / (8.314 J/(molK) * 600 K))

A = 1.63 * 10⁹ M⁻¹s⁻¹.

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The theoretical yield of Acetylsalicylic acid is found out to be: 3.01 grams.

The limiting reagent is a substance that prevents a chemical reaction from occurring completely.

When a limiting reagent is used in a chemical reaction, the atoms, molecules, or ions of the other reactant that it (the limiting reagent) reacts with will either stay free or unreacted.

Popular compounds called acids and bases interact with one another to create salt and water. The Latin word "acere," which meaning "sour," is where the term "acid" originates.

According to the problem, we have 2.31 grams of salicylic acid. We need to determine the theoretical yield of acetylsalicylic acid.

The molar mass of salicylic acid is 138.12 g/mol. Therefore, the number of moles of salicylic acid we have is:

n = mass / molar mass

n = 2.31 g / 138.12 g/mol

n = 0.0167 mol

According to the balanced equation, 1 mole of salicylic acid reacts with 1 mole of acetic anhydride to produce 1 mole of acetylsalicylic acid. Therefore, the number of moles of acetylsalicylic acid produced is also 0.0167 mol.

The molar mass of acetylsalicylic acid is 180.16 g/mol. Therefore, the theoretical yield of acetylsalicylic acid is:

mass = n x molar mass

mass = 0.0167 mol x 180.16 g/mol

mass = 3.01 g

Therefore, the theoretical yield of acetylsalicylic acid is 3.01 grams.

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When the reaction of  Grignard reagent reacted with methanol will yield a tertiary alcohol. Therefore, Option C tertiary alcohol is correct.

Contains a carbon-metal link, Grignard reagents are chemicals used in catalysis. They generally result from the anhydrous reaction of magnesium metal with an alkyl or aryl halide. Because of their high reactivity, Grignard reagents frequently act as nucleophiles in organic reactions.

An alkyl group from a Grignard reagent binds to the oxygen atom of methanol (CH3OH) when it interacts with the methanol, breaking the carbon-metal connection. A precursor alkoxide is created as a result. The equivalent alcohol is then produced by protonating the intermediate alkoxide.

The reaction of a Grignard reagent with methanol leads to the formation of a tertiary alcohol.

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Answer:

0.5 meters

Explanation:

It depends on what you want to write it as

Answer:

Iron?

Explanation:

Patrick is a 16 year old boy whose body has stopped producing osteoclasts this means for his bones that his bones will become weak and brittle and other part of his body like the hip and wrist and spine will be affected by this

Osteoclast weaken brittle bones and making them prone to breaking from even minor stresses like coughing or stopping and the most frequent location for fracture caused by osteoclasts are the hip writ and spine and bone is a living tissue that constantly degrade and is replaced and by increasing their resorptive activity and destroying bone to initiate normal bone repair and the cell known as osteoclasts mediate bone loss in pathogenic circumstances

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evaporation because the water is coming out of the water into the air

It is not anticipated that the other salts, which lack basic anions, will be more soluble in acidic solution: BaF2, Hg2Br2, NiS and AgI. Al(OH)3 and PbCl2 are more soluble in acidic solution than in pure water.

Due to the formation of a weak acid and aluminum salt when aluminum phosphate reacts with acid, it is more soluble in acid than water. Acids are therefore better than water at dissociating aluminum phosphate.

A weak acid's salt will dissolve more readily in acid than in water. As a result, a strong acid is the source of NaCl, MgCl2, and NaNO3 (HCl). Since CaCO3 is the salt of the weak acid H2CO3, it will dissolve in H+ more readily than in water.

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