largest electronegativity element

The balanced equation for the reaction between hydrochloric acid and sodium hydroxide is:

HCl + NaOH → NaCl + H2O

For which,  36.53 grams of sodium chloride will form when 25.0 g of hydrochloric acid and 25.0 g of sodium hydroxide are mixed.

The balanced equation for the reaction between hydrochloric acid and sodium hydroxide is:

HCl + NaOH → NaCl + H2O

When 25.0 g of sodium hydroxide is mixed with 25.0 g of hydrochloric acid, the amount of sodium hydroxide is the limiting reagent, since the amount of hydrochloric acid is in excess. To find out how many grams of sodium chloride form, we need to use stoichiometry. Let's start by finding the number of moles of sodium hydroxide we have:

n = m/Mn = 25.0 g / 40.00 g/mol = 0.625 mol

From the balanced equation, we see that the mole ratio between sodium hydroxide and sodium chloride is 1:1. This means that 0.625 moles of sodium chloride will form. Since we know the molar mass of sodium chloride, we can convert moles to grams:

mass = n × M

Mass = 0.625 mol × 58.44 g/mol = 36.53 g

Therefore, 36.53 grams of sodium chloride will form when 25.0 g of hydrochloric acid and 25.0 g of sodium hydroxide are mixed.

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The missing part of the equation is found to be 4/2He. Option A

The term nuclear equations have to do with the type of equation in which one type of nucleus is transformed into another sometimes by the bombardment or loss of a particle.

Now the full equation ought to be written as 7/3Li + 1/1H -----> 4/2He + 4/2He. This is because the total mass on the left is 8 and the total charge on the left is 4.

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Answer:

0.116 moles of ammonia can be produced from the reaction of 4.0 liters of hydrogen at 50.0°C and 1.2atm of pressure with excess nitrogen.

Explanation:

The balanced chemical equation for the reaction of hydrogen and nitrogen to form ammonia is:

N2(g) + 3H2(g) → 2NH3(g)

To determine how many moles of ammonia can be produced from the reaction of 4.0 liters of hydrogen at 50.0°C and 1.2atm of pressure with excess nitrogen, we need to use the ideal gas law equation:

PV = nRT

where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature.

First, we need to convert the volume of hydrogen gas to moles using the ideal gas law equation:

n = PV/RT

where P is the pressure in atm, V is the volume in liters, R is the gas constant (0.0821 L·atm/mol·K), and T is the temperature in Kelvin.

n = (1.2 atm)(4.0 L)/(0.0821 L·atm/mol·K)(50.0°C + 273) = 0.174 mol H2

Since there is excess nitrogen, all of the hydrogen will react to form ammonia. Using the mole ratio between NH3 and H2 from the balanced chemical equation:

2 mol NH3 / 3 mol H2

we can calculate how many moles of NH3 will be produced:

n(NH3) = (0.174 mol H2) × (2 mol NH3 / 3 mol H2) = 0.116 mol NH3

Therefore, 0.116 moles of ammonia can be produced from the reaction of 4.0 liters of hydrogen at 50.0°C and 1.2atm of pressure with excess nitrogen.

Answer:

0. 261

Explanation:

Use ideal gas formula: PV = nRT, meaning that constant R = \(0.08206\frac{(L)(atm)}{(K)(mol)}\)

\((1 atm)(6.28L) = n(0.08206\frac{(L)(atm)}{(K)(mol)})(293 K) \\n = \frac{(1 atm)(6.28L)}{(0.08206\frac{(L)(atm)}{(K)(mol)})(293 K)} \\n = 0.26119...\\n = 0.261\)

To calculate the atoms of an element in a given molecule, we need to multiply stoichiometry by the number that is written on the foot of that element. Therefore, the balanced equation is Cl\(_2\)+ NaI \(\rightarrow\) NaCl + I\(_2\).

Balanced equation is the one in which the total number of atoms of a species on reactant side is equal to the total number of atoms on product side. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, displacement reaction.

The other characteristic of balanced reaction is that physical state should be written with each compound or molecule on reactant and product side. Physical state should be written in brackets. s means solid, l means liquid, g means gas.

The balanced reaction when chlorine gas is bubbled through a solution of sodium iodide is given as

Cl\(_2\)+ NaI \(\rightarrow\) NaCl + I\(_2\)

Therefore, the balanced equation is Cl\(_2\)+ NaI \(\rightarrow\) NaCl + I\(_2\).

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Answer/Explanation:

Part 1 and 3: Test tube 4. The hot water and Acid added to the substance makes it much more reactive, which is the reason why the new substance is bubbling. Hot water allows the particles in a chemical reaction have enough force and more chances to go through actual reaction process. This also caused it to create the most bubbles.

Part 2 and 4: Test tube 1 had the least amount of chemical reactivity. Cold water slows down the amount of times a particle in the substance hits another. This reduces the chance of it reacting and the strength of it's reaction. Test tube 1 was also missing the citric acid. Since acids have low pH it is very reactive with other particles with substances that contain less than 8 valence electrons. Without the acid it doesn't have ad much urge to react with. The lower the pH the better reactivity.

A substance's ability to be observed or measured without altering its identity is referred to as its physical property.  How successfully a substance can undergo a specific chemical transition is determined by its chemical characteristic.

A substance's ability to be observed or measured without altering its identity is referred to as its physical property. Physical characteristics might include things like color, density, hardness, melting, and boiling points, among other things. How successfully a substance can undergo a specific chemical transition is determined by its chemical characteristic.

Based on their physical and chemical properties, materials can be grouped. Matter is anything that has mass and space. It is possible to mix any solid, liquid, and gas. When a substance changes from one state of matter to another without changing its chemical composition, a physical transition takes place.

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Answer:

"it can help us explain the universe" or "it can help us study how cells in the body function"

Explanation:

you choose which one you want but their still both technicly right

Answer:

O by revising the theory that explained atoms to include this new information

by designing new technology that would prove the new information was wrong

Answer:

O by revising the theory that explained atoms to include this new information

by designing new technology that would prove the new information was wrong

Explanation:

Actually, acetyl-CoA and OAA, a four-carbon molecule, unite to start the Krebs cycle (oxaloacetate). Citric acid, which has six carbon atoms, is the result of this

The Krebs cycle is sometimes known as the citric acid cycle for this reason.

Since citric acid is also the first byproduct of the Krebs cycle, it is present in nearly every living thing's metabolism.

Recall that the first stage of cellular respiration, glycolysis, yields two pyruvate molecules. These substances enter a mitochondrion's matrix, where they initiate the Krebs cycle.

Pyruvic acid produced during glycolysis initiates the Krebs cycle. The diagram's tiny circles stand in for one carbon atom. For instance, OAA (oxaloacetate) is a four carbon molecule, but citric acid is a six carbon molecule. As the cycle continues, pay attention to what happens to the carbon atoms. How many ATP molecules are created per one cycle turn? What number of NADH and FADH2 molecules are generated?

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Answer: B. the moon's orbit is closer to the earth.

Explanation: I took the test

Answer:

B The moon’s orbit is closer to Earth.

Explanation:

I took the test on Edge :)

Explanation:

The shortest wavelength that humans can see is approximately 380 nanometers, which corresponds to the color violet.

Answer:

0.1 L

Explanation:

M₁ × V₁ = M₂ × V₂

10M × V₁ = 1M × 1L

V₁ = 0.1 L

I hope this helps :)

The molar dilution can be used to estimate the molarity or the volume. 0.1 L of 10 M solution is required to make 1 M of solution.

A dilution factor of the molar concentration is used to calculate the molar concentration or the volume needed to make the diluted solution from the stock.

Given,

M₁ = 10 M

V₁ = ?

M₂ = 1 M

V₂ = 1 L

The volume is calculated as:

M₁ V₁ = M₂ V₂

10 V = 1 × 1

V = 1 ÷ 10

= 0.1 L

Therefore, 0.1 L of the 10 M solution is needed.

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The basic hydrolysis of benzonitrile to benzoic acid can be represented by the following equation:

\(C_6H_5CN + 2H_2O + NaOH → C_6H_5COOH + Na+ + NH_3\)

In this reaction, benzonitrile (\(C_6H_5CN)\) is reacted  with two molecules of water (\(H_2O\)) in the presence of sodium hydroxide(NaOH) to produce benzoic acid (\(C_6H_5COOH\)), sodium ion (Na⁺), and ammonia (\(NH_3\)). The hydroxide ion (OH⁻) from NaOH acts as a nucleophile, attacking the carbon atom of the nitrile group (-CN) in benzonitrile.

This leads to the formation of an intermediate, which is then hydrolyzed by water to form benzoic acid and ammonia. The sodium ion is a spectator ion and does not participate in the reaction.Overall, this reaction is an example of a nucleophilic substitution reaction, where a nucleophile (OH-) attacks an electrophilic carbon atom in the nitrile group, leading to the formation of a new bond and the subsequent elimination of the nitrile group.

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The number of hamburgers sold on Wednesday is 275.

Let's assume the number of hamburgers sold is x.

According to the given information, the number of cheeseburgers sold is 70 more than the number of hamburgers. So, the number of cheeseburgers sold can be expressed as x + 70.

The total number of hamburgers and cheeseburgers sold is given as 620, so we can set up the following equation:

x + (x + 70) = 620

Combining like terms, we get:

2x + 70 = 620

Subtracting 70 from both sides of the equation:

2x = 550

Dividing both sides by 2:

x = 275

Therefore, the number of hamburgers sold on Wednesday is 275.

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Moles of Carbon dioxide : 13.5

Given

4.5 moles propane

Required

moles of Carbon dioxide

Solution

Reaction(Combustion of Propane) :

C₃H₈(g)+5O₂(g)→3CO₂(g)+4H₂O(g)

In a chemical equation, the reaction coefficient shows the mole ratio of the reacting compounds (either in reactants or products)

From the equation, mol ratio of Propane(C₃H₈) : Carbon dioxide(CO₂) : 1 : 3, so mol CO₂ :

= 3/1 x mol Propane

= 3 x 4.5 moles

= 13.5 moles

The mass of precipitate is 0.1366 grams, that forms when 36. 9 mL of 0.0159M Ba(ClO₄)2 reacts with 50. 2 mL of 0. 0786M K₂SO₄. Ba(ClO₄)2(aq) + K₂SO₄(aq) → 2KClO₄(aq) + BaSO₄(s).

We must first identify the limiting reagent before we can calculate the mass of precipitate that was generated. The amount of product that can be created depends on this reactant, which is totally consumed during the reaction.

Ba(ClO₄)2 and K₂SO₄ have a 1:1 stoichiometry, which means that the limiting reagent will be the one that is present in a smaller proportion, according to the balanced chemical equation.

We apply the equation to determine each reactant's molecular weight:

moles are equal to concentration times volume.

moles = 0.0159 M x 0.0369 L = 0.00058571 moles for Ba(ClO₄)2.

moles = 0.0786 M x 0.0502 L = 0.00394492 moles for K₂SO₄.

Ba(ClO₄)2 is the limiting reagent since it has the fewest moles. By analyzing the balanced chemical equation's stoichiometry, we may determine that 1 mole of Ba(ClO₄)2 reacts with 1 mole of BaSO₄.

0.00058571 moles of BaSO₄ is one mole.

Using the molar mass of BaSO₄, which is 233.38 g/mol, we can determine the mass of BaSO₄ that was produced.

BaSO₄ mass equals moles times molar mass, or 0.00058571 moles times 233.38 g/mol, or 0.1366 g.

As a result, 0.1366 grams of precipitate were produced.

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To achieve the given transformation using the provided reagents, you can follow these steps:

1. Convert the alkene to an alkyl halide using reagent B (Br2).
2. Perform a nucleophilic substitution with reagent H (xs NaNH2) followed by reagent I2 (H2O).
A reagent test is carried out to determine if a certain substance is present in a solution.
Thus, the correct answer for the necessary reagents in order is "BHI2".

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The gravity force on an object from the Earth is the same regardless of whether the object is surrounded by air .

the Earth has an average gravitational force. Different locations on Earth have gravitational forces that are larger or smaller than average. This is because each location has more or less mass than the average

Answer:

2.67 g/mL

Explanation:

Initial Volume of water = 10.0 mL

Final Volume pf water = 15.46 mL

Mass = 14.74g

Density = Mass / Volume of aluminium

Volume of aluminium = Final Volume of water - Initial Volume of water = 15.46 - 10 = 5.46mL

Density = 14.74 / 5.46 = 2.67 g/mL

The density of aluminum has been 2.699 g/ml.

The density has been defined as the mass per unit volume. The addition of aluminum to the water results in the rise in the volume of the water.

The rise or change in the volume of water has been based on the volume of the aluminum.

The initial volume of water = 10 ml

The final volume of water = 15.46 ml

The volume of aluminum = Final volume - Initial volume

The volume of aluminum = 15.46 - 10 ml

The volume of aluminum = 5.46 ml

The density can be expressed as;

Density = \(\rm \dfrac{mass}{volume}\)

The given mass of the aluminum = 14.74 g.

The density of aluminum = \(\rm \dfrac{14.74}{5.46}\)

The density of aluminum = 2.699 g/ml.

The density of aluminum has been 2.699 g/ml.

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Matter is anything that has mass and occupies space.

An example of matter is oxygen gas. It is a gas that has a definite volume and can be measured in terms of its mass. Other examples of matter include solids like rocks and metals, liquids like water and oil, and gases like helium and nitrogen. An example of matter is oxygen gas. Matter refers to any substance that has mass and occupies space, and oxygen gas fits this description. In contrast, light and heat are forms of energy, not matter, so they are not suitable examples. In this multiple-choice question, the correct answer would be oxygen gas, as it is a tangible substance with mass and volume, distinguishing it from the other options presented.

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Answer: D. False, it should read, "A theory and a law are already both supported by evidence and are equal, but they have different functions."

Explanation:

A  "Theory" and  a'' Law" in scientific method are already both supported by evidence but they have different function,

The function of  " Theory" in scientific method is to give an explanation to the observations and findings gathered during the process. It can be modified, improved or even rejected as more information is being gathered.

While a '' Law '' tends to describe an observed event in nature that is true whenever it is put to test. It does not explain why the occurence or event is true.

Answer:

An object in a fluid medium displaces a set amount of fluid upon immersion. Archimedes' principle states that the weight of the displaced fluid is equal to the buoyant force exerted on the object

An object in a fluid medium displaces a set amount of fluid upon immersion. Archimedes' principle states that the weight of the displaced fluid is equal to the buoyant force exerted on the object

Answer:

alkali metals

Explanation:

alkali metals are in group 1 (the first column of elements) indicating they have 1 valence electron. halogens are in group 17 and they have 7 valence electrons.

Answer:

A.. Alkali metals

Explanation:

took the quiz

Answer:

Explanation:

The balanced chemical equation for the reaction between copper (II) sulfate and sodium hydroxide is:

CuSO4 + 2NaOH → Cu(OH)2 + Na2SO4

We can use the mole ratio of CuSO4 to NaOH to find the number of moles of NaOH required to react with 0.100 moles/dm3 of CuSO4:

1 mole CuSO4 reacts with 2 moles NaOH

0.100 moles/dm3 CuSO4 will react with 0.200 moles/dm3 NaOH

Now we can use the volume and number of moles of NaOH to calculate its concentration:

25 cm3 = 0.025 dm3

Concentration of NaOH = number of moles / volume

Concentration of NaOH = 0.200 moles/dm3 / 0.025 dm3

Concentration of NaOH = 8.00 mol/dm3

Therefore, the concentration of sodium hydroxide in the solution is 8.00 mol/dm3.

The predicted product of the reaction shown is an ether, specifically methyl ethyl ether.

The reaction involves the dehydration of ethanol (HOCH2CH2OH) in the presence of sulfuric acid (H2SO4) and magnesium (Mg), which acts as a catalyst. The sulfuric acid protonates the hydroxyl group in ethanol, making it a better leaving group. The resulting carbocation then undergoes an elimination reaction with the neighboring hydroxyl group, resulting in the formation of methyl ethyl ether.

This reaction is known as the Williamson ether synthesis.

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Answer:

Explanation:

In a nutshell, atoms decay because they're unstable and radioactive. Ununoctium (or Oganesson) has an atomic number of 118. That means that there are 118 protons in the nucleus of one atom of Oganesson, and that isn't including the number of neutrons in the nucleus.

Answer:

Atoms radioactively decay when a lower-energy nuclear configuration exists to which they can transition.

Explanation:

The actual decay event of an individual atom happens randomly and is not the result of the atom getting old or changing through time.