addition of 6 m hcl to which substance will not result in gas evolution?

Answer:

Substances have more kinetic energy in the gas state than in the Solid state.

Gas have more kinetic energy as it flows from here and there.It flows really fast as it have less space between the molecules

Solids have less Kinetic energy as it is hard and can't flow so easily like gas . It has tightly packed molecules

The mass of sodium in each sodium-containing food additive is:

a. NaCl (table salt): 3.36 g

b. Na₃PO₄ (sodium phosphate): 1.19 g

c. NaC₇H₅O₂ (sodium benzoate): 1.35 g

d. Na₃C₆H₅O₇ (sodium hydrogen citrate): 0.66 g

a. NaCl (table salt):

The molar mass of NaCl is 22.99 g/mol (sodium) + 35.45 g/mol (chlorine) = 58.44 g/mol.

To calculate the mass of sodium in NaCl, we need to determine the ratio of sodium to the total molar mass of NaCl:

Mass of sodium = (22.99 g/mol / 58.44 g/mol) × 8.5 g = 3.36 g

b. Na₃PO₄ (sodium phosphate):

The molar mass of Na₃PO₄ is 22.99 g/mol (sodium) × 3 + 30.97 g/mol (phosphorus) + 16.00 g/mol (oxygen) × 4 = 163.94 g/mol.

To calculate the mass of sodium in Na₃PO₄, we need to determine the ratio of sodium to the total molar mass of Na₃PO₄:

Mass of sodium = (22.99 g/mol / 163.94 g/mol) × 8.5 g = 1.19 g

c. NaC₇H₅O₂ (sodium benzoate):

The molar mass of NaC₇H₅O₂ is 22.99 g/mol (sodium) + 12.01 g/mol (carbon) × 7 + 1.01 g/mol (hydrogen) × 5 + 16.00 g/mol (oxygen) × 2 = 144.11 g/mol.

To calculate the mass of sodium in NaC₇H₅O₂, we need to determine the ratio of sodium to the total molar mass of NaC₇H₅O₂:

Mass of sodium = (22.99 g/mol / 144.11 g/mol) × 8.5 g = 1.35 g

d. Na₃C₆H₅O₇ (sodium hydrogen citrate):

The molar mass of Na₃C₆H₅O₇ is 22.99 g/mol (sodium) × 3 + 12.01 g/mol (carbon) × 6 + 1.01 g/mol (hydrogen) × 5 + 16.00 g/mol (oxygen) × 7 = 294.10 g/mol.

To calculate the mass of sodium in Na₃C₆H₅O₇, we need to determine the ratio of sodium to the total molar mass of Na₃C₆H₅O₇:

Mass of sodium = (22.99 g/mol / 294.10 g/mol) × 8.5 g = 0.66 g

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Answer:

a.N

b.Al

Explanation:

nitogen is N in upper case and aluminium is Al.always the second letter is lower case

Answer:

OJ.J. Thomson

Explanation:

The procalamine solution provides approximately 74.7 grams of protein per day.

To decide the quantity of grams of protein gave by the procalamine arrangement, we really want to know the complete number of kilocalories (kcal) given by the arrangement each day and the extent of kcal that come from protein.

How much glycerin in the arrangement is 3% or 0.03. The kcal given by the glycerin can be determined as:

125 ml/h x 24 h/day = 3000 ml/day

3000 ml/day x 0.03 = 90 g/day

90 g/day x 4.3 kcal/gm = 387 kcal/day

Additionally, how much amino corrosive in the arrangement is 3%. The kcal given by the amino corrosive can be determined as:

125 ml/h x 24 h/day = 3000 ml/day

3000 ml/day x 0.03 = 90 g/day

90 g/day x 4 kcal/gm = 360 kcal/day

The absolute kcal given by the arrangement each day is:

387 kcal/day + 360 kcal/day = 747 kcal/day

Accepting that 10% of the complete kcal given by the arrangement come from protein, the quantity of grams of protein given by the arrangement each day is:

747 kcal/day x 0.10 = 74.7 g/day

Thusly, the procalamine arrangement gives roughly 74.7 grams of protein each day.

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The pressure of the gas inside the cylinder is 52.90 atm

Given is the number of moles of gas, the temperature and the volume of the gas and we need to find the pressure of the gas inside the cylinder, for this we can use the ideal gas law equation:

PV = nRT

Where:

P = Pressure of the gas (in units of pressure, such as atm)

V = Volume of the gas (in liters)

n = Number of moles of the gas

R = Ideal gas constant (0.0821 L·atm/(mol·K))

T = Temperature of the gas (in Kelvin)

First, let's convert the temperature from Celsius to Kelvin:

T = 25.0 °C + 273.15 = 298.15 K

Now we can substitute the values into the ideal gas law equation:

P × 12.5 L = 27.0 moles × 0.0821 L·atm/(mol·K) × 298.15 K

Simplifying the equation:

P × 12.5 L = 661.2587 L·atm

Dividing both sides by 12.5 L:

P = 661.2587 L·atm / 12.5 L

P ≈ 52.90 atm

Therefore, the pressure of the gas inside the cylinder is approximately 52.90 atm.

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We can use the ideal gas law equation to determine the pressure of a gas within a cylinder:

PV = nRT

Where:

P is the pressure of the gas (in units of pressure, such as atm)

V is the volume of the gas (in units of volume, such as liters)

n is the number of moles of the gas

R is the ideal gas constant (0.0821 L·atm/(mol·K))

T is the temperature of the gas (in units of temperature, such as Kelvin)

we need to convert the temperature from Celsius to Kelvin:

T(K) = T(°C) + 273.15

T(K) = 25.0 °C + 273.15

T(K) = 298.15 K

Now we can plug the data into the ideal gas law equation as follows:

P * 12.5 L = 27.0 moles * 0.0821 L·atm/(mol·K) * 298.15 K

Simplifying the equation:

P = (27.0 moles * 0.0821 L·atm/(mol·K) * 298.15 K) / 12.5 L

Calculating the pressure:

P ≈ 5.046 atm

As a result, the gas inside the cylinder is under a pressure of about 5.046 atm.

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The state of Matter in which the  Forces of Attraction is the Weakest is the gaseous state.

The forces of attraction that depends on the intermolecular attractions or the repulsions. The intermolecular repulsions are greater in the gaseous state than the intermolecular forces of attraction. The molecules have the more randomness in the gaseous state as compared to other states. The state of matter that has the least intermolecular forces of the attraction is the gaseous state because of the reason they are in random in the motion.

Thus, in the gaseous state of the matter, the Forces of Attraction the Weakest.

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To completely react with the silver in a 25.0 ml 0.366 M aqueous silver nitrate solution, approximately 0.268 grams of solid sodium chloride must be added.

In order to determine the amount of solid sodium chloride required for the complete reaction, we need to use the balanced chemical equation for the reaction between sodium chloride (NaCl) and silver nitrate (\(AgNO_3\)), which yields silver chloride (AgCl) and sodium nitrate (\(NaNO_3\)). The balanced equation is as follows:

\(2AgNO_3 + NaCl\) → \(2AgCl + NaNO_3\)

From the equation, we can see that 2 moles of silver nitrate react with 1 mole of sodium chloride to produce 2 moles of silver chloride. Since the molarity of the silver nitrate solution is given as 0.366 M, we can calculate the number of moles of silver nitrate present in 25.0 ml (0.0250 L) of the solution using the formula:

moles of silver nitrate = molarity * volume in liters

Substituting the values, we find:

moles of silver nitrate = 0.366 M * 0.0250 L = 0.00915 moles

According to the stoichiometry of the reaction, 2 moles of silver nitrate react with 1 mole of sodium chloride. Therefore, to completely react with the silver, we need half the number of moles of sodium chloride, which is:

moles of sodium chloride = 0.00915 moles / 2 = 0.00458 moles

To convert moles to grams, we use the molar mass of sodium chloride, which is approximately 58.5 g/mol. Thus, the mass of solid sodium chloride needed is:

mass of sodium chloride = moles of sodium chloride * molar mass

= 0.00458 moles * 58.5 g/mol

≈ 0.268 g

Therefore, approximately 0.268 grams of solid sodium chloride must be added to the 25.0 ml 0.366 M aqueous silver nitrate solution to completely react with the silver.

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The fish are dying because the warm water from the manufacturing plant is causing the water's dissolved oxygen (DO) level to decrease. As the water is less able to hold the dissolved oxygen that fish and other aquatic animals need to survive.

When water gets warm, the solubility of gases, especially oxygen, decreases. The result is that warm water does not hold as much dissolved oxygen as cool water. This means that as the temperature of the water in the river increases, the amount of dissolved oxygen in the water decreases.

The oxygen level in the water is what has caused the fish to die in the river despite the absence of impurities (chemicals).

As water temperature increases, the solubility of gases decreases. This means that warmer water cannot hold as much dissolved oxygen as cooler water.

Fish and other aquatic creatures require oxygen to survive, therefore as the water temperature rises, the dissolved oxygen concentration in the water decreases.

As a result, the fish and other aquatic creatures are deprived of oxygen, causing them to perish.

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Answer:

71.92 kPa

Explanation:

Using the combined gas law equation;

P1V1/T1 = P2V2/T2

Where;

P1 = initial pressure (kPa)

P2 = final pressure (kPa)

V1 = initial volume (L)

V2 = final volume (L)

T1 = initial temperature (K)

T2 = final temperature (K)

According to the information provided in this question;

T1 = 50°C = 50 + 273 = 323K

V1 = 105L

T2 = -25°C = -25 + 273 = 248K

P2 = 105.4 kPa

P1 = ?

V2 = 55.0 L

Using P1V1/T1 = P2V2/T2

P1 × 105/323 = 105.4 × 55/248

105P1/323 = 5797/248

0.325P1 = 23.375

P1 = 23.375 ÷ 0.325

P1 = 71.92 kPa

Answer:

The moons orbit around planets.

Mass is the force that holds people ans objects to earths surface.

Explanation:

Answer:

A, C, E, G

Explanation:

I think they are your answer

Can I have brainliest

Answer: Dinitrogen trioxide

Explanation:

Answer:

In a radio, chemical energy is transformed into sound energy

The indivisibility of an atom was proved wrong: an atom can be further subdivided into protons, neutrons and electrons. ... According to Dalton, the atoms of same element are similar in all respects. However, atoms of some elements vary in their masses and densities. These atoms of different masses are called isotopes.

Answer:

3

Explanation:

Answer:

Light is one type of radiant energy. Sunshine is radiant energy, which provides the fuel and warmth that make life on earth possible. Thermal energy, or heat, is the energy that comes from the movement of atoms and molecules in a substance. Heat increases when these particles move faster. Geothermal energy is the thermal energy in the earth.

Explanation:

Answer:No, for example electricity doesn't work like physical energy

Explanation:

Answer:

Option A

Explanation:

The atomic number is the number of protons in the nucleus of an atom.

Answer:

atom

Explanation:

The smallest representative particle of an element is an atom.

Atoms are the fundamental building blocks of matter and the smallest unit of an element that retains the chemical properties of that element. Each atom consists of a nucleus at the center, composed of positively charged protons and neutral neutrons, surrounded by a cloud of negatively charged electrons.

Atoms combine to form molecules or ions through chemical reactions, but they themselves represent the basic structure and identity of an element. Each element has a unique number of protons in its nucleus, known as its atomic number, which determines its position on the periodic table and its distinct chemical properties.

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Explanation:

Carbohydrates provide 4 calories per gram, protein provides 4 calories per gram, and fat provides 9 calories per gram.

Ref www.nal.usda.gov

Answer:

5 g of H₂ are contained in the vessel

Explanation:

A typical excersise of conversion:

We determine molar mass of H₂.

This is a dyatomic molecule, as molar mass of H is 1g/mol, molar mass of H₂ will be 2g/mol.

Let's make the conversion of units:

2.5 mol . 2g/mol = 5 g

5 g of H₂ are contained in the vessel

Mass of hydrogen in the vessel = 5 grams

The number of moles is defined as the given mass over molar mass.

\(\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}\)

Given:

Number of moles= 2.5 mol

To find:

Mass of hydrogen=?

Molar mass of hydrogen =2g/mol

On substituting the values in the given formula we will get:

\(\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}\\\\\text{Given mass}=\text{Number of moles}*\text{Molar mass}\\\\\text{Given mass}=2.5 mol* 2g/mol\\\\\text{Given mass}=5 g\)

Thus, mass of hydrogen in the vessel is 5 grams.

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Answer:

A. Ferns

Explanation:

Explanation:

So,

There's an equation that we could use in order to find frequency, and it is the next one:

This equation tells us that the energy of the photon is equal to the product of the Plank constant (h), which is 6.626*10^-34 J.s, and the frequency.

In this problem, we know the value of E and the value of h, so we need to solve for v:

Therefore, the correct answer option is A.

Answer:

Explanation:

The moment magnitude scale is a scale that rates earthquakes by estimating the total energy released by an earthquake . Estimating the total amount of energy released, enables comparison of earthquakes more accurately

i hope this helps :)

Answer:

It is a metal

Explanation:

One of the properties of metals is that metals are malleable. What we mean by malleability is that the metal can be hammered into sheets that can be used for different applications.

Also, metals can react with chlorine when heated to yield diverse halides. This is true of most metal elements.

The number of moles of a substance is calculated from the given weight of the substance and its molecular mass by using the formula:

No. of moles = \(\frac{Mass of substance in grams}{Molecular mass of substance}\)

Molecular mass of Na₂SO₄.10H₂O is calculated to be

(23×2)+32+(16×4)+(10×18) = 46+32+64+180 = 322 g/mol

Thus, for 483g of Na₂SO₄.10H₂O, the number of moles would be

= \(\frac{322}{483}\) = 0.67 mol

For every 1 mole of Na₂SO₄.10H₂O, there are 2 moles of Na⁺ and 1 mole of SO₄²⁻.

Thus, 0.67 moles of Na₂SO₄.10H₂O will have 0.67×2= 1.34 moles of Na⁺ and 0.67 moles of SO₄²⁻.

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The mass of \(Na_2CO_3\) that will be required to be dissolved in water would be 15.9 grams

Recall that:  molarity = mole/volume in L

In this case, the volume is 0.3 L and the molarity is 0.5 M.

Thus, mole = molarity x volume = 0.5 x 0.3 = 0.15 moles

Mass of 0.15 moles  \(Na_2CO_3\) = 0.15 x 106 = 15.9 grams

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Launching a projectile over a significant distance, such as several hundred miles, presents a range of complex challenges that must be carefully addressed. The success of achieving such a long range relies on accounting for various factors that influence the projectile's trajectory, including aerodynamics, atmospheric conditions, Earth's curvature, and external forces.

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