A student mixes 5.0 g of a sodium bicarbonate solution with 6.0 g of a potassium aluminum sulfate solution in a sealed container. A white, solid precipitate is formed. What is the total mass after the reaction has taken place?
Select one:
a. 11.0 g
b. Less than 11.0 g
c. More than 11.0 g
d. Not enough information

1. The IUPAC name of N is nitrogen.

2. Nitrogen dioxide

3.The IUPAC name of O is oxygen

4.The IUPAC name of OH is hydroxyl.

The IUPAC name of ·0 is a radical. It is commonly found in organic chemistry and plays an important role in many reactions.

IUPAC names for the given compounds are:1.1. N: Nitrogen

The IUPAC name of N is nitrogen.

It is a non-metal and belongs to group 15 in the periodic table. It has an electronic configuration of 1s2 2s2 2p3.1.2. NO2: Nitrogen dioxide

Explanation: NO2 is a chemical compound that is formed by the combination of nitrogen and oxygen. It is a reddish-brown gas that has a pungent odor.

The IUPAC name of NO2 is nitrogen dioxide.1.3. O: Oxygen

Explanation: The IUPAC name of O is oxygen.

It is a non-metal and belongs to group 16 in the periodic table. It has an electronic configuration of 1s2 2s2 2p4.

X: UnknownExplanation: No IUPAC name can be given to an unknown compound as the structure and composition are not known.

Y: Hydroxyl Explanation: The IUPAC name of OH is hydroxyl.

It is a functional group that is composed of an oxygen atom and a hydrogen atom (-OH). It is commonly found in alcohols and phenols. ·0: RadicalExplanation: A radical is a molecule or an ion that contains an unpaired electron.

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Note: The complete question is given below

Provide the IUPAC names for the following compounds:

\(CH_3CH_2CH(CH_3)CH_2CH_2CH_2CH_3\)

C6H5CH(CH3)2

H2NCH2CH2CH2CH2CH2NH2

CH3CH2CH2CH2CH2OH

CH3CH2CH2CHOHCH3

The concentration of hydronium ion, H3O+, in the solution with pOH of 5.3 is 1.99 × 10-⁹M.

HOW TO CALCULATE HYDROGEN CONCENTRATION:

Therefore, the concentration of hydronium ion, H3O+, in the solution with pOH of 5.3 is 1.99 × 10-⁹M.

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Temperature of the sample helium with an root-mean-square velocity of 450.0 m/s is 32.47K

The value of the square root of the sum of the squares of the stacking velocity values divided by the number of values is the root-mean square (rms) velocity.

As we know, from Maxwell's speed distribution, the rms speed of velocity of gas is given by,

\(V_{rms}\) = \(\sqrt{3RT/M}\)

450 = \(\sqrt{(3*8.3145*T)/4*10^{-3} }\)       [ Mass of helium = 4.00 u]

T = 32.47 K

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Answer:

C2H5OH(l)+3O2(g)⟶2CO2+3H2O(l)

Explanation:

The balanced equation for the combustion of ethanol will be

\(C_{2}H_{5}OH+3O_{2}------- > 2CO_{2}+3H_{2}O\). According to this carbon dioxide and water will be the product.

Combustion is a chemical process during which a material reacts quickly with oxygen and generates heat.

The original substance is referred to as the fuel, and the supplier of oxygen is referred to as the oxidizer. The fuel can be solid, liquid, or gas, but it is usually a liquid for airplane propulsion.

Combustion is a chemical reaction between two or more substances, usually involving oxygen, that produces light and heat in the form of a flame.

The products of complete ethanol combustion are carbon dioxide and water, as well as the start releasing of light and heat.

The equation will be:

\(C_{2}H_{5}OH+3O_{2}------- > 2CO_{2}+3H_{2}O\)

Thus, in this way, the combustion of ethanol occurs.

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The oxidation state of nitrogen (N) in NaNO3 is +5. option B

To determine the oxidation state of nitrogen (N) in sodium nitrate (NaNO3), we need to assign oxidation numbers to each element in the compound.

In NaNO3, we know that the sodium ion (Na+) has a +1 oxidation state because it is an alkali metal. Oxygen (O) typically has an oxidation state of -2 in compounds, and there are three oxygen atoms in NaNO3. Since the compound is neutral, the sum of the oxidation states must be zero.

Let's assume that the oxidation state of nitrogen is x. Therefore, we can set up the equation:

(+1) + x + (-2) * 3 = 0

Simplifying the equation:

+1 + x - 6 = 0

x - 5 = 0

x = +5

Therefore, the oxidation state of nitrogen (N) in NaNO3 is +5.

The oxidation state of an element indicates the number of electrons it has gained or lost in a compound. In this case, the nitrogen atom in NaNO3 has gained five electrons to achieve a stable oxidation state of +5.

It is important to note that oxidation states are formal charges and do not necessarily represent the actual distribution of electrons in a compound. They are assigned based on a set of rules and can be useful in understanding the reactivity and behavior of elements in chemical reactions.

Option B

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Answer:

P = 14.3 atm

Explanation:

PV = nRT

T = 12 C + 273 = 285K

P = nRT/V

P = 14.0 mol H(0.08205 L * atm/mol * K)(285 K) / 22.9 K

mol, L, and K cancels out

P = 14.3 atm

The sequence of events used to process film in film photography s:

The practice of shooting pictures on the thin, clear plastic strips we refer to as film is known as film photography. The contrast and resolution of a photograph are determined by the gelatin emulsion that is coated on one side of the film strip. This emulsion contains tiny silver halide crystals.

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Answer:

Processing film starts with you loading a film reel and putting it in a light tight tank.

You will then do these steps in order for set times: water presoak, developer, stop bath, fixer, first wash, fixer remover, final wash, wetting agent, and then finally drying your film.

Explanation:

Took the test.

A type of fossil fuel,known as Tar stands.

A fossil fuel is a hydrocarbon-containing material formed naturally in to  the Earth's crust from to the  remains of dead plants and animals and birds that is the  extracted and burned as thr  a fuel. The main fossil  fuels are mainly coal, oil, and natural gas.

Tar sands are a combination of clay, sand, water and bitumen, which is a heavy hydrocarbon. Like the  kerogen in oil shale, tar sands' bitumen can be upgraded to synthetic crude oil.

So answer is tar sands.

These include tar sands – deposits of moist sand and it is  clay with 1-2 percent  bitumen (thick and heavy are  petroleum rich in the  carbon and poor in the  hydrogen). These are the  removed by strip mining in the  (see section below on coal)

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The compound that is formed by the combination of the boron and oxygen is boron oxide.

The term periodic table has to do with the arrangement of the elements in such a way that they can be easily studied. We know that the compound boron oxide.

The boron atom is a member of group three while oxygen is a member of group six. We know that the compound is ionic thus the boron ion would combine with the oxygen ion in order to form the boron oxide. the boron is positive and oxygen is negative.

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By insulating the metal block or by computing the rate of cooling and using that factor, we might limit heat loss. This would increase the accuracy of our result. By performing additional duplicates of the experiment and averaging the results, we might increase the experiment's dependability.

When your body needs more oxygen during exercising and produces more carbon dioxide, this might result in a high respiratory rate. During activity, your breathing may occur 3–4 times more often. Hyperpnea, or fast, deep breathing, is the body's natural response to increased carbon dioxide generation.

Unwanted heat loss to the environment is typically the main source of mistake in calorimetry. By insulating the sidewalls, this can be decreased.

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Answer: Neils Bohr

Explanation: Development of the Atomic Theory. In 1913, Neils Bohr, a student of Rutherford 's, developed a new model of the atom. He proposed that electrons are arranged in concentric circular orbits around the nucleus. This model is patterned on the solar system and is known as the planetary model.

Fe(OH)2 doesn't react with water. Fe(OH)2 is said to have a solubility constant that ranges from 8x10-16 to 2x10-15.

Fe(OH)2 is significantly more soluble than Fe(OH)3, which has a solubility constant in the range of 10-38.

Fe(OH)2 is incredibly insoluble when compared to NaCl (Ksp of roughly 4x101!!! ).

Consequently, perspective is key.

The aqueous solution numbers are in the morning. In the early history of the earth (the "oxygen catastrophe"), the numbers for Fe(II) and Fe(III) were extremely important.

They shouldn't be directly compared because the three solubility products have different dimensions (officially, Fe(OH)3 splits into four ions, Fe(OH)2 splits into three, and NaCl splits into two). However, because of how far apart they are, the morning conclusions remain valid.

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The temperature of a 1.7379 mole of a gas with a pressure of 1.4948 atm and volume of 92.202 L is 965.69K .

The temperature of a given gas can be calculated using the ideal gas law equation:

PV = nRT

Where;

1.4948 × 92.202 = 1.7379 × 0.0821 × T

137.82 = 0.142T

T = 137.82 ÷ 0.142

T = 965.69K

Therefore, the temperature of a 1.7379 mole of a gas with a pressure of 1.4948 atm and volume of 92.202 L is 965.69K.

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To convert 500 \(cm^{3}\) of 37% hydrochloric acid solution to 1 mol \(dm^{-3}\), we need to first determine the amount of hydrochloric acid present in the initial solution.

37% HCl means that 37 g of HCl is present in every 100 \(cm^{3}\) of the solution. Hence, 500 \(cm^{3}\) of the solution contains 37 × (500/100) = 185 g of HCl.

Since the molecular weight of HCl is 36.5 g/mol, 185 g of HCl is equivalent to 185/36.5 = 5.06 moles of HCl.

Now, to make a 1 mol \(dm^{-3}\) solution, we need to have 1 mole of HCl in every \(dm^{3}\) solution. As 500 cm^3 is equivalent to 0.5 \(dm^{-3}\), we need to add 0.5 - 5.06 = -4.56 \(dm^{-3}\) of water.

Since the volume can't be negative, we need to add 4.56 \(dm^{3}\) of water, which is equal to 4.56 x 1000 = 4560 \(cm^{3}\) of water.

Volume is the amount of space a thing takes up, whereas capacity is a container's quality, specifically the amount of liquid it can hold. For instance, a rectangular aquarium has a capacity of 5 L since it can hold no more water than that amount.

The term "volume" describes how much room a thing occupies. In other words, just as height and breadth are ways to express size, volume is a measure of an object's size. The volume of an object is how much water it can store if it is hollow, or empty. Volume = mass divided by density is the formula for computing a substance's volume given its mass and density.

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Answer:

cool and dry

Answer:

A cool and dry

Explanation:

on edge

Answer:

Explanation:

k = 1.8 x 10⁻⁴ s⁻¹

no of moles initially = 2.45 x .17 = .4165 moles

initial moles a = .4165

k = (1 / t ) ln a / ( a - x )

a is initial moles , x is moles reacted .

a is initial moles , x is moles reacted .

time t = 195 min = 11700 s

1.8 x 10⁻⁴ = 1 / 11700 x ln .4165 /( .4165 - x )

2.106 = ln .4165 /( .4165 - x )

.4165 /( .4165 - x ) = e²°¹⁰⁶ = 8.215

.4165 = 3.42 - 8.215 x

8.215 x = 3.0035

x = .3656

moles of sucrose hydrolysed = .3656 moles.

The correct answer is C. square planar

According to the Valence Shell Electron Pair Repulsion Theory(VSEPR), The shape of a molecule depends on the number of electron pairs in the molecule.

VSEPR theory was first coined by Gillespie  and Nyhlom in 1957 as an improvement over the Sidgwick - Powell theory.

According to this theory, the shape of a molecule is determined by the number of electron pairs that surround the valence shell of the central atom in the molecule.  The electron pairs are positioned as far apart in space as possible to minimize repulsion of electron pairs.

However, the presence of lone pairs distorts the shape anticipated for the molecule on the basis of VSEPR.

For a molecule having six electron pairs, an octahedral geometry is expected(electron domain geometry). However, the presence of two lone pairs which are positioned at opposite side of the four single bonds leads to an observed square planar molecular geometry.

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Answer:

square planar

Explanation:

Answer:

They are small molecules

Explanation: Hope this helps

Answer: C) Carbohydrates

Explanation:

A) Lipids

B) Nucleic acids

C) Carbohydrates

D) Proteins

apex

Answer:

I'm not an expert at this, but I assume its mercury.

Approximately 766.08 grams of oxygen are required to completely react with 240g of C₂H₆.

To determine the amount of oxygen required to completely react with 240g of C₂H₆ (ethane), we need to set up a balanced chemical equation for the combustion of ethane.

The balanced equation for the combustion of ethane is as follows:

C₂H₆ + O₂ → CO₂ + H₂O

From the balanced equation, we can see that the stoichiometric ratio between C₂H₆ and O₂ is 1:3. This means that for every one mole of C₂H₆, three moles of O₂ are required for complete combustion.

To calculate the amount of oxygen required, we need to convert the given mass of C₂H₆ to moles using its molar mass, and then use the stoichiometric ratio to determine the moles of O₂ required. Finally, we can convert the moles of O₂ back to grams using the molar mass of oxygen.

The molar mass of C₂H₆ is calculated as follows:

(2 x atomic mass of carbon) + (6 x atomic mass of hydrogen)

(2 x 12.01 g/mol) + (6 x 1.01 g/mol) = 30.07 g/mol

Now, we can proceed with the calculation:

Calculate the moles of C₂H₆:

moles of C₂H₆ = mass of C₂H₆ / molar mass of C₂H₆

moles of C₂H₆ = 240 g / 30.07 g/mol ≈ 7.98 mol

Determine the moles of O₂ using the stoichiometric ratio:

moles of O₂ = moles of C₂H₆ x (3 moles of O₂ / 1 mole of C₂H₆)

moles of O₂ = 7.98 mol x 3 ≈ 23.94 mol

Convert moles of O₂ to grams:

mass of O₂ = moles of O₂ x molar mass of O₂

mass of O₂ = 23.94 mol x 32.00 g/mol = 766.08 g

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1) Diesel has a higher viscosity than petrol.

2) Petrol is more flammable than diesel.

3) The formula will be C₁₀H₂₂.

4) The equation is; 2C8H18+25O2→16CO2+18H2O.

Depending on the precise composition and temperature, the viscosity of gasoline and diesel can change. In general, diesel is more viscous than gasoline. Higher viscosity fluids are thicker and flow more slowly than lower viscosity fluids because viscosity relates to the resistance of a fluid to flow.

Diesel is less flammable than gasoline. The lowest temperature at which gasoline can evaporate and turn into an ignitable combination in air is known as its flash point, and it is lower for gasoline. Compared to diesel fuel, petrol vapors are much more flammable and can ignite at lower temperatures.

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The volume of the balloon after it cools is 0.68 L.

Charles law states that the volume of a gas is directly proportional to its temperature at constant pressure.

It is given by:

V ∝ T

V/T = constant

Therefore:

\(\frac{V_1}{T_1}=\frac{V_2}{T_2} \\\\V_1=2.6\ L,T_1=293\ K,T_2=77\ K:\\\\\frac{2.6}{293}=\frac{V_2}{77} \\\\V_2=\frac{2.6}{293}*77\\\\V_2=0.68\ L\)

Hence the volume of the balloon after it cools is 0.68 L.

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Answer:

Antimony

Explanation:

Protons-51

Neutrons-71

Electrons-51

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

Potassium

Lithium

Iron

Explanation

According to the reactivity series of metals shown below, potassium (K), lithium (Li), and iron (Fe) metals are more reactive than mercury (Hg).

When 7.524 is rounded to 3 significant figures, it will be 7.52.

The process of changing a number to a nearby number with fewer significant digits is known as rounding.

Rounding can be done to the nearest integer, the nearest tenth, the nearest hundredth, and so on.

Here are some pointers on rounding numbers to a certain number of significant digits:If the digit following the last significant digit is less than 5, simply drop it and all following digits.

(round down)For example, 2.832 rounded to two significant digits is 2.8 since the 3 is followed by a 2 which is less than 5.

If the digit following the last significant digit is greater than 5, add 1 to the last significant digit, then drop all of the digits that follow it.

(round up)For example, 4.673 rounded to two significant digits is 4.7 since the 3 is followed by a 7 which is greater than 5.

If the digit following the last significant digit is exactly 5, the preceding digit is odd, and no other digits follow, increase the last significant digit by 1.

If the digit following the last significant digit is exactly 5, the preceding digit is even, and no other digits follow, simply leave the last significant digit alone.

For example, 2.875 rounded to two significant digits is 2.9 since the 5 is followed by an odd number, which means that the 8 should be rounded up, while 2.765 rounded to two significant digits is 2.8 since the 5 is followed by an even number, which means that the 6 should be left alone.

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The best statement which correctly describe the relationship between the volume of a chemical system and work are :

- The expansion of a gas can provide mechanical work

- The work done by an expanding gas is calculated using the equation w = -PdeltaV

-A chemical system may do work by the expansion of one or more gaseous products

A chemical reaction typically involves two types of work: electrical work and work of expansion. By passing an electric current through an external wire, chemical reactions can influence their surroundings. When the volume of the system increases while the reaction is taking place, reactions also have an impact on the environment. The product of the pressure the system expands against and the change in the system's volume yields the quantity of expansion work that the reaction does.

w = PdeltaV -

When a system works on its surroundings, its internal energy diminishes, which is reflected in the equation's sign convention.

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