a compound weighs 204.1 g/mol and has an empirical formula of so2f2. what is the molecular formula?

Answer:

The bowling ball has more kinetic energy than the tennis ball

Explanation:

Using the formula 1/2 mass × acceleration we found that the tennis ball had a kinetic energy of 0.75 while the bowling ball had a kinetic energy of 10.5 hence the bowling ball has the ability to do more work

The bowling ball has more kinetic energy than the tennis ball.

Given the following data:

Mathematically, kinetic energy is given by this formula:

\(K.E = \frac{1}{2} MV^2\)

Where:

For tennis ball:

\(K.E = \frac{1}{2} \times 0.5 \times 3^2\\\\K.E = \frac{1}{2} \times 0.5 \times 9\)

K.E = 2.25 Joules.

For bowling ball:

\(K.E = \frac{1}{2} \times 7 \times 2^2\\\\K.E =3.5 \times 4\)

K.E = 14 Joules.

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The product formed in the reaction of 2−methyl−1−butene with bromine in water will be 1-bromo-2-methylbutan-2-ol (Structure attached)

A reaction mechanism is a representation of step by step transfer of electrons and molecules from one compound to another compound. In reaction mechanisms, the curved arrows show the moment of electrons.

In the reaction mechanism of 2-methylbut-1-ene the double bond of 2-methylbut-1-ene act as an attacking group and attacks Br₂. As a result, one Br atom gets attached to 2-methylbut-1-ene. This results in a cyclic brominium ion generation, which makes the neighboring carbon more substituted. Water molecule then attacks on the more substituted carbon and 1-bromo-2-methylbutan-2-ol will generate as the major product.

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Answer:

64.9 L

Explanation:

pls mark as brainliest

Answer:

C. 14

Explanation:

The mass number is the number of protons + neutrons and the atomic number is the number of protons.

If the mass number is 27, you subtract the atomic number, 13.

27 - 13 = 14 neutrons

Answer:

Hello! Some household items that are electroplated include kitchenware, such as metal pots and pans, door handles, mobile phones, and coins. An electroplated object is coated by electrolytic deposition with chromium, silver, or another metal.

The ideal gas law formula is used to determine the missing values in questions. When dealing with problems that require solving for missing values using the ideal gas law formula, always ensure that all values are expressed in the correct units and temperature is converted to kelvin.

The ideal gas law formula is represented as PV = nRT, where P represents pressure, V represents volume, n represents the number of moles of gas, T represents the temperature in kelvin, and R represents the universal gas constant. Solve for missing values using the ideal gas law formula:1. 10°C, 5. 5 L, 2 mol, __ atm.The temperature must be converted to kelvin first: T(K) = T(°C) + 273.15K = 10°C + 273.15 = 283.15KPV = nRT

Rearrange the equation to isolate P: P = nRT / V

Substitute the given values:

P = (2 mol)(0.0821 L•atm/mol•K)(283.15K) / 5.5 L

: P = 8.28 atm

2. __ °C, 8. 3 L, 5 mol, 1. 8 atm.The equation PV = nRT can be rearranged to T = PV / nRThe temperature must be converted to kelvin first: T(K) = T(°C) + 273.15T = PV / nR

Substitute the given values: T = (1.8 atm)(8.3 L) / (5 mol)(0.0821 L•atm/mol•K)T(K) = T +

: T = 332 K or 59°C

The temperature must be converted to kelvin first:

T(K) = T(°C) + 273.15K

= 12°C + 273.15

= 285.15

KPV = nRT

Solve for n by rearranging the equation: n = PV / RT

Substitute the given values: n = (1.2 atm)(3.4 L) / (0.0821 L•atm/mol•K)(285.15K): n = 0.141 mol

The ideal gas law formula is used to determine the missing values in questions. When dealing with problems that require solving for missing values using the ideal gas law formula, always ensure that all values are expressed in the correct units and temperature is converted to kelvin.

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Answer:

You solve that dividing beach term by -8 and simplifying which for this answers will give you r=-30

Explanation:

Pls correct me if I’m wrong.

Hope this helps :)

Answer:

The answer is A! Hope you do Great!

Explanation:

The product : Copper oxide

Given

Word equation

Required

The product of the reaction

Solution

The chemical equation can be expressed in terms of:

If we state the word equation  above into a chemical equation(with formula)

CuCO₃ ⇒ CuO + CO₂

This reaction is a type of decomposition reaction

AB⇒A+B

Where the copper carbonate is decomposed into copper oxide and carbon dioxide

As we know, in a chemical reaction, the reactants are on the left and the products are on the right

So that the products of this reaction are copper oxide and carbon dioxide and the reactants are copper carbonate

Answer:

See explanation

Explanation:

Given that the row number is the same as the period or energy level(shell) in which the electron is found.

If we designate this row number as "n", we know that the  highest principal energy level for the f orbitals is obtained as (n-2) f.

Thus, we obtain the highest principal energy levels for the "f block" elements by subtracting 2 from  the row number.

Answer:

Melting and boiling point

Explanation:

For all group 1 elements, the melting and boiling point of the various members of the group decreases down the group. Hence, as the elements become heavier, they tend to have lower melting and boiling points.

Thus in moving from lithium to francium, there is a steady decrease in the melting and boiling points of elements down the group.

Answer:

acid

Explanation:

7 is neutral if more than 7 add acid if less than 7 add alkali

The CK levels were raised in the serum sample taken from the patient, indicating that there was muscle damage. This could have resulted from a crush injury to the thigh. Hence, option a) is correct.

Serum samples from patients are drawn in emergency rooms to check for their enzyme and protein levels, particularly to verify if they've had a heart attack.

CK, AST, and CK-MB are the most commonly used tests.

A crush injury to the thigh may account for these values. This is because a crush injury to the thigh can result in muscle damage and increased levels of creatine kinase (CK) in the blood.

The CK enzyme is found in skeletal muscle, cardiac muscle, and brain tissue. It can be released into the bloodstream as a result of muscular damage.

The CK levels were raised in the serum sample taken from the patient, indicating that there was muscle damage. This could have resulted from a crush injury to the thigh. Hence, option a) is correct.

Pulmonary infarction is caused by an obstruction in the pulmonary artery.

AST and CK-MB levels aren't affected by pulmonary infarction, so option c) is incorrect.

Cerebrovascular accident, on the other hand, is caused by an obstruction in the blood supply to the brain. It doesn't have an effect on CK, AST, and CK-MB levels, so option b) is incorrect. 

Early acute hepatitis, the final option, also doesn't have an effect on CK, AST, and CK-MB levels, so option d) is incorrect.

The correct option is a) crush injury to the thigh.

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Answer:

Angel Fish!

Explanation:

Answer:

Angel fish, the other person answered first tho.

Explanation:

Answer: protons: 92

electrons: 92

1. neutrons: 234-92 = 142

2. Neutrons- 233-92 = 141

3. Neutrons 232-92= 140

Explanation:

The energy required to heat 4.0 moles of a monoatomic ideal gas from 20.0 °C to 100 °C at constant volume is approximately 1997.2 Joules.

To calculate the energy required to heat a monoatomic ideal gas, we can use the equation:

Q = n * Cv * ΔT,

where Q is the energy, n is the number of moles of gas, Cv is the molar specific heat at constant volume, and ΔT is the change in temperature.

First, we need to find the molar specific heat at constant volume for a monoatomic ideal gas. The molar specific heat at constant volume (Cv) for a monoatomic ideal gas is given by:

Cv = (3/2)R,

where R is the ideal gas constant.

Next, we can calculate the change in temperature (ΔT):

ΔT = T2 - T1,

where T2 is the final temperature (100 °C) and T1 is the initial temperature (20 °C). The ideal gas constant R is approximately 8.314 J/(mol·K).

Substituting the values into the equation, we have:

Q = 4.0 mol * (3/2)R * (100 °C - 20 °C).

Q = 4.0 mol * (3/2) * R * 80 °C.

Q = 4.0 mol * (3/2) * 8.314 J/(mol·K) * 80 °C.

Q ≈ 1997.2 J.

Therefore, the energy required to heat 4.0 moles of a monoatomic ideal gas from 20.0 °C to 100 °C at constant volume is approximately 1997.2 Joules.

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Answer:

No component is perfect. All have tolerances that can vary. If you construct a simple circuit where a 10 volt power supply feeds a 10 ohm resistor, you would expect to measure a current of one ampere. BUT - the wiring has some resistance too. This adds perhaps 0.1 ohms to the circuit. The resistor has a +-5% tolerance. If it is 5% high, it may measure 10.5 ohms. That's a total circuit resistance of 10.6 ohms. The power supply may have a tolerance of +-1%. Suppose it's 1% low. That's an output of 9.9 volts in real life. So you have 9.9 volts dropped across 10.6 ohms. you will measure closer to 0.934 amps instead of 1.000 amps. To make matters worse, most electronic components have a temperature coefficient, that is, their values change with different temperatures. You may get a completely different reading tomorrow if the temperature is different! Finally, with current measurements in particular, you are inserting the ammeter in series with the circuit under test. Ammeters have some inherent resistance too, so by putting the ammeter in the circuit, you are changing the very current you are trying to measure (a little)! Oh yeah, the ammeter has a tolerance too. Its reading may be off a little even if everything else is perfect. Sometimes you have to wonder how we get a decent reading at all. Fortunately the errors are usually fairly small, and not all tolerances are off in the same direction or off the maximum amount. They tend to cancel each other out somewhat. BUT - in rare circumstances everything CAN happen like I said, and the error can be huge.

Explanation:

Answer:

"Anion" is correct option

Explanation:

An anion is an ion that has gained one or more electrons, acquiring a negative charge.

Answer:

Carbon dioxide - CO.

Benzene - C6H.

Carbon tetrachloride - CCl.

Methane - CH.

Ethylene - C2H.

Explanation: Some examples of atoms with nonpolar convalent bonds. Hope this was found useful!!

Non polar covalent compounds have no net dipole moment due to charge separation. Some examples are, CO₂, H₂, N₂,O₂ etc.

Covalent bonds are formed by the sharing electrons between atoms. Covalent bond is comparatively weaker than ionic bonds. Atoms of deficient number of electrons will combine by sharing their valence electrons and forms covalent bonds.

When one atom has more electronegativity, then the shared pair of electrons will  attracted into the electronegative atom. This creates a charge separation and a dipole moment.

However, if the electronegative atoms are linear in geometry from the central less electronegative atom then the dipole moment cancel each other and the compound become non polar as in the case of CO₂.

All gases in molecular states are covalently bonded and are non polar such as H₂, N₂,O₂ etc.

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Ions present in the Cr₂O₃ compound are Cr⁺³ and O⁻².

Ions present in the PbCl₄ compound are Pb⁺⁴ and Cl⁻.

Ions present in Na₃PO₄ compound are Na⁺ and PO₄⁻³.

Ions present in Al(ClO₄)₃ compound are Al⁺³ and ClO₄⁻.

Ions present in SrSO₄ compound are Sr⁺² and SO₄⁻².

The name of the H₂SO₄ compound is sulfuric acid.

The name of the Cr₂S₃ compound is chromium(III) sulfide.

The name of the CCl₄ compound is carbon tetrachloride.

Ionization reactions can explain which ions make up an ionic compound between metal and non-metal. Look at the attachment for a complete question. The ionization reactions for compounds

Covalent compounds are composed of non-metallic elements and non-metallic elements. Naming covalent compounds using prefixes. But if only one atom is in the first part, we didn't have to use a prefix.

CCl₄ is a covalent compound

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Answer:The pH of 0.0030 is 12.7.

Explanation:NaOH is a very storng base that it is dissociate.

Answer:

The pH is about 12.7.

Explanation:

Answer:

Explanation:

wavelength = v/ f where v=speed (0.8km/s)

f=frequency (0.050Hz)

= 8.0/ 0.050

= 16Hz

Ace that homework

Answer:C - 3.115 g

Explanation:Correct

Water is the limiting reactant as only 2.27 moles of H₂O are available and can react with Fe. The reaction will produce 2.27 moles of Fe:Os and 2.27 moles of H₂.

The reaction given is Fe + H₂O → Fe:Os + H₂. It is required to determine which reactant is the limiting reactant when 41 grams of water react with 167 grams of iron (Fe).The limiting reactant is the reactant that is completely consumed during the reaction and limits the amount of product formed. Therefore, we need to determine which of the two reactants, iron (Fe) or water (H₂O), will be completely consumed during the reaction. To determine this, we must convert the given masses of each reactant to moles using their respective molar masses. The molar masses are 55.85 g/mol for iron and 18.015 g/mol for water.Converting the given masses of iron and water to moles:167 g Fe × (1 mol Fe/55.85 g Fe) = 2.99 mol Fe41 g H₂O × (1 mol H₂O/18.015 g H₂O) = 2.27 mol H₂OAccording to the balanced equation, one mole of iron reacts with one mole of water. Therefore, we can say that 2.27 moles of H₂O will react with 2.27 moles of Fe. However, since we have more moles of Fe available than what is required, iron is not the limiting reactant and the remaining 0.72 mol of Fe will be left over after the reaction is complete.

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Quarts of pure antifreeze must be added to 5 quarts of a 20 antifreeze solution to obtain a 50 antifreeze solution is 3.

Antifreeze solution is a solute that lowers the freezing point of the liquid in a solution.

For calculating the amount of quarts of pure antifreeze solution added can be given by:

5×20/100 + x × 100% = (x+5) × 50/100

Where, x is the amount of antifreeze required for addition and pure antifreeze is 100% of the antifreeze taken.

1 + x = (x+5) 0.5

1 + x = 0.5x + 2.5

0.5x = 1.5

x = 3

So, 3 quarts of pure antifreeze must be added to 5 quarts of a 20 antifreeze solution to obtain a 50 antifreeze solution.

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The original mass of the radioactive sample was 1.5625 grams. A half-life period is the amount of time it takes for half of a radioactive sample to decay

In order to determine the original mass of a radioactive sample that has decayed to 25 grams in four half-lives, we need to use the formula:

Original mass = final mass multiplied by (half-life period / number of half-lives)2.

Since we know that the final mass is 25 grams, the number of half-life periods is 4, and we can assume that the half-life period is constant.

So, original mass = 25 × (1/4)² = 25 × 1/16 = 25/16 = 1.5625 grams.

Therefore, the original mass of the radioactive sample was 1.5625 grams.

The number of half-life periods that have passed is a measure of how much the sample has decayed. Each time a half-life period passes, the remaining radioactive sample is cut in half.

In this case, we know that the original sample has gone through four half-lives and has decayed to 25 grams. This means that at the end of the first half-life period, the sample would have been halved to half its original mass. At the end of the second half-life period, it would have been halved again, and so on. After four half-lives, the remaining sample would be only 25 grams, or 1/16th of the original mass.

Original mass = final mass * (half-life period / number of half-life periods) 2 can be used to calculate the sample's original mass by taking the final mass and multiplying it by the reciprocal of the number of half-life periods squared. This is because each half-life period reduces the mass of the sample by a factor of 1/2, and by the fourth half-life period, the remaining sample will have been reduced by a factor of 1/2 × 1/2 × 1/2 × 1/2 = 1/16.

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Answer:

It blocks pathogens from getting inside our body.

Explanation:

The skin is the biggest organ, it cover the whole body and organ system from any toxic things.

The researcher should select arsenic because it belongs in the same group as phosphorus but has a higher atomic mass.

The correct option is C.

Phosphorus is in Group 15 (also known as Group V) of the periodic table. Elements in this group have 5 valence electrons, which means they tend to form compounds with a -3 oxidation state.

Other elements in Group 15 are:

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