write the reaction for the complete oxidation of 1-butanol (show both steps).

Empirical formula tells us the relative ratios of different atoms in a compound.

The chemical formula for a compound obtained by composition analysis is always the empirical formula.

How to calculate Empirical formula:

Linalyl acetate (bergamot oil):

              Carbon               Hydrogen                  Oxygen

                73.41 %                   10.29 %                  16.30 %

             73.41 / 12               10.29 / 1                   16.30 / 16

               6.11                          10.29                        1.01

            6.11 / 1.01                10.29 / 1.01                1.01 / 1.01

                 6                            10                                1

          Empirical formula : C₆H₁₀O

Thus we can conclude that empirical formula of linalyl acetate is  C₆H₁₀O

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The empirical formula for Linalyl acetate expresses the relative proportions of different atoms in a compound.

Linalyl acetate is a phytochemical found in a variety of flowers and spice plants. It is an important component of bergamot and lavender essential oils. It is the linalool acetate ester, and the two are frequently found together.

Hence, the empirical formula describes the relative proportions of different atoms in a compound. The chemical formula for a compound obtained through composition analysis is always the empirical formula.

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Answer:

C. Theories have been confirmed through tests; hypotheses haven't.

Hope this helps!!

In aerobic cellular respiration, the ETC (electron transport chain) receives electrons directly from NADH and FADH2.

In aerobic cellular respiration, the ETC receives electrons directly from NADH and FADH2  which are produced during the earlier stages of cellular respiration. These electrons are then passed along the ETC to ultimately produce ATP. These molecules, NADH and FADH2, are electron carriers that donate their electrons to the ETC, which then helps produce ATP through a series of redox reactions known as oxidative phosphorylation.

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Answer: A FILTERING

Explanation:

WHEN YOU FILTER YOU SEPARATE (sorry for caps) btw can you check out my recent question plz

Answer:

Shrimp burrow

Explanation:

Shrimp are types of sea life, whales eat them

The total mass of the products is 853.8 g.

We know that we have to apply the principles of stoichiometry so as to be able to obtain the mass of the mass of the products and then the total mass of the products that is obtained in the reaction.

We have that in the question; 496. 5 grams of lead II nitrate reacts with potassium bromide is such a way that the lead II nitrate would be completely consumed in the reaction. This means that the lead II nitrate is the limiting reactant in the reaction.

Number of moles of the lead II nitrate = 496. 5 grams /331 g/mol

= 1.5 moles

If 1 mole of  lead II nitrate produces 1 mole of lead II bromide

Mass of lead II bromide produced = 1.5 moles * 367 g/mol

= 550.5 g

If 1 mole of lead II nitrate produces 2 moles of potassium nitrate

1.5 moles of lead II nitrate produces  1.5 * 2 /1

= 3 moles of  potassium nitrate

Mass of  potassium nitrate = 3  moles * 101.1

= 303.3 g

Total mass produced = 550.5 g + 303.3 g

= 853.8 g

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The specific heat of the metal is approximately 0.24 J/(g·°C)

We can use the following formula to determine the metal's specific heat:

q = mcΔT where q is the heat transmitted, m is the metal's mass, c is its specific heat, and T is the temperature change. This is how we may first determine how much heat is transported from the metal to the water:

Q = M Water, C Water, and T Water. where water is the mass of the liquid, water is its specific heat, and water is the temperature change of the liquid. We are aware that water has a mass of 50.0 mL, which is equal to 50.0 g (water has a density of 1 g/mL). Water has a specific heat of 4.18 J/(g°C) or less, and a change in temperature of the water is 11.0 °C (31 °C - 20.0 °C). By replacing these values, we obtain:

q = 50 g, 4.18 J/(gC), 11.0 °C, and 2309 J. The heat transferred from the metal to the water must match the heat lost by the metal because no heat is lost to the environment. The same calculation can be used to determine how much heat the metal loses: q = mm, cm, and Tm where mm is the metal's mass, cm is its specific heat, and Tm is the temperature change of the metal. We are aware that the metal weighs 26.7 g and that its temperature changed by (31 °C - 192 °C) = -161 °C. Using these values as substitutes, find by cm, we get: cm = q/(mm × ΔTm) = 2309 J / (26.7 g × (-161 °C)) ≈ 0.24 J/(g·°C).

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Answer:

matter is any substance that has mass and takes up space by having volume. ... 

The solubility curve can show the variation of solubility with temperature.

A saturated solution is one in which there is just enough solute as it can dissolve at a given temperature. The imege is missing hence the question is incomplete.

The solubility curve shows us the solubility of each substance but unfortunately we do not have it hence we can not answer the questions but we do know that the solubility curve can show the variation of solubility with temperature.

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The concentration of the original Ba(OH)₂ solution if 15.0 ml solution of Ba(OH)₂ is neutralized with 22.7 ml of 0.200 m HCl is 151.3 mol/dm³

To determine concentration of the original Ba(OH)₂ solution, we must know he balanced chemical equation for the neutralization reaction is:

Ba(OH)₂ + 2HCl → BaCl₂ + 2H₂O

From the equation above, the stoichiometric ratio of Ba(OH)₂ and HCl is 1:2. That means one mole of Ba(OH)₂ reacts with 2 moles of HCl. The balanced chemical equation also shows that the number of moles of HCl used is the same as the number of moles of Ba(OH)₂. Hence:

moles of HCl = 0.200 mol/dm³ × 22.7 dm³ = 4.54 mol

Using the stoichiometric ratio, the moles of Ba(OH)₂ in the solution can be calculated to be:

moles of Ba(OH)₂ = 4.54 mol ÷ 2 = 2.27 mol

The volume of the Ba(OH)₂ solution is 15.0 mL, which is 0.015 dm³. Therefore, the concentration of the original Ba(OH)₂ solution can be calculated as:

concentration = moles/volume= 2.27 mol ÷ 0.015 dm³= 151.3 mol/dm³

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The concentration of the original Ba(OH)₂ solution is 0.302 M.

Given data

Volume of Ba(OH)₂ solution used = 15.0 ml

Volume of HCl used = 22.7 ml

Molarity of HCl solution used = 0.200 M

We need to calculate the concentration of Ba(OH)₂ solution, which is not known.Molar ratio of HCl and Ba(OH)₂ in a balanced chemical equation of their neutralization is;

HCl + Ba(OH)₂ → BaCl₂ + 2H₂O

The balanced chemical equation tells us that 1 mole of HCl is required to neutralize 1 mole of Ba(OH)₂.

So, the moles of HCl used in the reaction is;

moles of HCl = molarity × volume (in liters)

moles of HCl = 0.200 M × 0.0227 L = 0.00454 mole

Since one mole of HCl reacts with 1 mole of Ba(OH)₂,

so the number of moles of Ba(OH)₂ used is also equal to 0.00454 mole. Since we know the volume of the Ba(OH)₂ solution used, we can calculate the molarity of the solution as;

molarity = moles of solute / volume of solution in liters

Molarity = 0.00454 / (15.0 / 1000) = 0.302 M

Therefore, the concentration of the original Ba(OH)₂ solution is 0.302 M.

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The 6¹⁴ text(c) activity of an ancient artifact is found to be 0.170 bq per gram of carbon. 49,305 is its age of ancient artifact.

To find the age of the artifact, we can use the formula for exponential decay:
N(t) = N₀ e(-λt)
Where N0 is the initial amount of 6¹⁴ text(c), N(t) is the current amount, λ is the decay constant (which is related to the half-life), and t is the time elapsed.
We know that the half-life of 6¹⁴ text(c) is 5730 years. This means that after 5730 years, half of the initial amount of 6¹⁴ text(c) will have decayed. So, we can find λ as follows:
λ = ln(2) / t1/2
λ = ln(2) / 5730
λ = 0.000120968
Now, we can use the activity of the artifact to find the current amount of 6¹⁴ text(c):
A = λN
N = A / λ
N = 0.170 / 0.000120968
N = 1403.94
So, the artifact currently has 1403.94 grams of 6¹⁴ text(c). We can use this value and the known initial amount of 6¹⁴ text(c) (which would have been present in the organism when it died) to find the age of the artifact:
N(t) = N₀ e(-λt)
1403.94 = N₀e(-0.000120968t)
We can solve for t:
ln(1403.94/N0) = -0.000120968t
t = -ln(1403.94/N0) / 0.000120968
We don't know the exact initial amount of 6¹⁴ text(c) in the organism, but we can assume it was the same as the current amount in the atmosphere (which is about 1.2 × 10¹² grams). So:
t = -ln(1403.94/1.2e12) / 0.000120968
t = 49,305 years
Therefore, the artifact is approximately 49,305 years old.

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Answer:

Yes

It is an organic chemical compound

Its formula is \(C_6H_6\)

Explanation:

Answer:

B. The rock gained mass because new rock formed around

the edge.

26 °C /

80 °F

Rock sample

Answer:

Explanation:

B. The rock gained mass because new rock formed around the edge

26 °C

80 °F

Answer:

In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed. The distinction between physical and chemical change is not clear cut.

Explanation:

Explanation:

Answer:

Properties of Salt

☆Crystals or white crystalline powder.

☆Transparent and colourless in crystalline form – rather like ice.

☆Crystallises in the isometric system, usually in the form of cubes.

☆Soluble in water (35.6g/100g at 0°C and 39.2g/100g at 100°).

Explanation:

please mark me brainliest please

Answer:

Geologists commonly consider faults to be active if there has been movement observed or evidence of seismic activity during the last 10,000 years. Active faulting is considered to be a geologic hazard - one related to earthquakes as a cause.

Explanation:

Plz mark brainliest thanks

As the helium balloon ascends, its temperature decreases from 303 K to 271 K while maintaining a constant pressure. When the balloon ascends into the atmosphere and the temperature lowers to 271 K, its new volume will be equivalent to about 34.99 liters.

To determine the new volume of the balloon, we can use the combined gas law equation:

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

Where:

P₁ = Initial pressure

V₁ = Initial volume

T₁ = Initial temperature

P₂ = Final pressure (remains constant)

V₂ = Final volume (to be determined)

T₂ = Final temperature

Given:

P₁ = P₂ (pressure remains constant)

V₁ = 39.2 L

T₁ = 303 K

T₂ = 271 K

Plugging in the values into the equation, we have:

\(\(\frac{{P_1 \cdot V_1}}{{T_1}} = \frac{{P_2 \cdot V_2}}{{T_2}}\)\)

Since P₁ = P₂, we can simplify the equation:

\(\(\frac{{V_1}}{{T_1}} = \frac{{V_2}}{{T_2}}\)\)

Now we can rearrange the equation to solve for V₂:

\(\(V_2 = \frac{{V_1 \cdot T_2}}{{T_1}}\)\)

Substituting the given values:

\(V_2 = \frac{{39.2 \, \text{L} \cdot 271 \, \text{K}}}{{303 \, \text{K}}}\)

Calculating this expression:

V₂ ≈ 34.99 L

Therefore, the new volume of the balloon, when it rises into the atmosphere and the temperature drops to 271 K, will be approximately 34.99 liters.

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Answer:

I took a screen shot of your image, and wrote on top of it!

Explanation:

Hope this helps! :)

Reactions according to Bronsted are those in which there is an exchange of H+ ions. The Bronsted acid will be the substance that donates H+ ions and the base will be the compound that receives them.

As a result we will have a conjugated acid and a conjugated base. The conjugate acid will be the former base that just received the H+ ions. The conjugate base will be the former acid that donated its H+ ions.

Now let's look at the reaction. On the reactants side the compound that can donate H+ ions will be HSO3- and the compound CN- will be the one that receives them. Therefore, HSO3 will be the Bronsted acid (A) and CN will be the base (B).

HSO3 ---> A

CN -----> B

Now let's look at the product side. The compound that received the H+ ions will be the compound HCN, so this will be the conjugate acid (Ac). And the compound that lost its H+ ions is SO3, so it will be the conjugate base (Bc).

HCN --->Ac

SO3 ---->Bc

Comparing the analysis that we did with the reaction we will have that:

So, the answer will be option number 5

When a β- particle is emitted from an unstable nucleus, the atomic number of the nucleus decreases by 1. This is because β- particles are actually electrons that are emitted from the nucleus during beta decay, which occurs when a neutron is converted into a proton and an electron.

The electron is then ejected from the nucleus as a β- particle, while the proton remains in the nucleus. Since the atomic number of an element is determined by the number of protons in its nucleus, the emission of a β- particle results in a decrease in the atomic number. This process can also result in the creation of a new element, as the conversion of a neutron into a proton can change the identity of the element.
When a β- particle is emitted from an unstable nucleus, the atomic number of the nucleus increases by 1. This process occurs because a neutron inside the nucleus transforms into a proton, which results in the release of a β- particle (an electron) and a small, neutral particle called an antineutrino. The increase in the number of protons causes the atomic number to rise by 1.

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Respiratory Acidosis: d. emphysema, Respiratory Alkalosis: a. severe anxiety,  Metabolic Alkalosis: e. excessive ingestion of baking soda

Respiratory Acidosis is likely caused by d. emphysema, a chronic lung disease that impairs the ability to exhale carbon dioxide (CO2) effectively. The retention of CO2 leads to an increase in carbonic acid in the blood, resulting in respiratory acidosis.

Respiratory Alkalosis is often caused by a. severe anxiety or panic attacks, which can lead to hyperventilation. Hyperventilation causes excessive elimination of CO2, reducing carbonic acid levels in the blood and resulting in respiratory alkalosis.

Metabolic Alkalosis is usually caused by e. excessive ingestion of baking soda or other alkaline substances. The excessive intake of bicarbonate leads to an increase in blood pH and bicarbonate levels, causing metabolic alkalosis.

These are just some of the probable causes associated with each acid-base imbalance, and individual cases may have additional contributing factors. It's essential to consult a healthcare professional for accurate diagnosis and appropriate treatment.

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Answer:True

Explanation:

1.  We have to divide the coefficient of equation I by 2 to get equation II.

a. Both equations are balanced but equation II is the correct way to write a

balance equation.

b. It will be correct if we divide equation II coefficient by another factor

but  we will get fractions as coefficient. For example

\(\frac{1}{2}\)SnO₂ + H₂→  \(\frac{1}{2}\)Sn + H₂O

c. The correct method is checking if the number of moles of element on

the reactant side is same as the those on the product side. And the

conventional way is making sure the coefficients are whole numbers.

i.   2SnO₂ + 4H₂ → 2 Sn + 4H₂O

ii.  SnO₂ + 2H₂→  Sn + 2H₂O

We have to divide the coefficient of equation I by 2 to get equation II.

Both equations are balanced but equation II is the correct way to write a

balance equation.

If we divide the coefficients of equation II by another number, we will not

get a whole number coefficients. The coefficient will be fractions , it will

be  correct but its not conventional.  

The best method to know if equation is written the correct way is checking

if the coefficient are in the lowest whole number factors.

we also have to check if each moles of elements found in the reactant is

the same in the product side.

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Answer:We have to divide the coefficient of equation I by 2 to get equation II.

Explanation:

The right answer is "The system converts the energy stored there into kinetic, thermal, and sound energy."

It is because of the interaction between the magnetic fields of two magnets that they migrate towards one another when they are placed side by side on a table. The magnets move as a result of the force of attraction, converting the system's stored energy into kinetic energy.

The magnets also cause friction with the table's surface as they move in that direction, though. The table and the magnets' temperatures both slightly rise as a result of the thermal energy produced by this friction. Moreover, sound waves are produced by the magnets' motion and the vibrating of their atoms.

Therefore, when two magnets move to attach to each other, the energy stored in the system is not only converted to kinetic energy but also to thermal and sound energy. This energy conversion process is an example of the conservation of energy, which states that energy cannot be created or destroyed, but it can be converted from one form to another.

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Answer:

around a minute

Explanation:

Answer:

F

Explanation:

Explanation:

We are given different isotopes and we have to identify the number of protons and neutrons that are in the nuclueus of each atom.

a) Carbon-14:

By definition two isotopes are atoms that have the same atomic number but different mass number. The atomic number of an atom is equal to the number of protons of that atom, and the mass number is equal to the number of protons plus the number of neutrons.

atomic number = n° of protons

mass number = n° of protons + n° of neutrons

n° of protons = atomic number

n° of neutrons = mass number - n° of protons

n° of neutrons = mass number - atomic number

If two isotopes have the same atomic number but different mass number we can say that two isotopes have the same number of protons but different number of neutrons.

In we pay attention to carbon-14 we can look for its atomic number in the period table: 6. And its mass number is the one that we are given after the name of the element: 14.

n° of protons = atomic number = 6

n° of protons = 6

n° of neutrons = mass number - atomic number = 14 - 6

n° of neutrons = 8

b) Cobalt-60:

atomic number = 27 (from the periodic table)

mass number = 60

n° of protons = atomic number = 27

n° of protons = 27

n° of neutrons = mass number - atomic number = 60 - 27

n° of neutrons = 33

c) Gold-197:

atomic number = 79 (from the periodic table)

mass number = 197

n° of protons = atomic number = 79

n° of protons = 79

n° of neutrons = mass number - atomic number = 197 - 79

n° of neutrons = 118

d) Uranium-235:

atomic number = 92 (from the periodic table)

mass number = 235

n° of protons = atomic number = 92

n° of protons = 92

n° of neutrons = mass number - atomic number = 235 - 92

n° of neutrons = 143

Answer:

a) Carbon-14: n° of protons = 6 n° of neutrons = 8

b) Cobalt-60: n° of protons = 27 n° of neutrons = 33

c) Gold-197: n° of protons = 79 n° of neutrons = 118

d) Uranium-235: n° of protons = 92 n° of neutrons = 143

The most likely acid that the unknown sample is based on the titration results is (b) oxalic acid, HOOCCOOH, with a molar mass of -90 g/mol.

In a titration, the volume and concentration of the titrant (sodium hydroxide in this case) and the mass of the analyte (unknown acid) are used to determine the molar mass and identity of the analyte. The volume of the titrant used (16.60 mL of 0.100 M NaOH) indicates the amount of hydroxide ions reacting with the acidic protons in the unknown acid. Since the molar mass of the unknown acid is not provided, we can use the given information to determine the most probable acid. From the given options, oxalic acid (option b) has a molar mass of -90 g/mol. By comparing the moles of NaOH used (from the volume and concentration) to the moles of the unknown acid (calculated from its mass and molar mass), we can estimate if the molar mass of the unknown acid is close to -90 g/mol. Therefore, based on the information provided, oxalic acid is the most probable acid for the unknown sample.

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