What was the gas that form in this chemical reaction

Answer:

\(MM_{C_5S_2}=132.19g/mol\)

Explanation:

Hello!

In this case, since the computation of the molar mass requires the molecular formula, we first realize that of pentacarbon disulfide is C₅S₂ due to the given prefixes. In such a way, we multiply the atomic mass of carbon by five and that of sulfur by two as shown below:

\(MM_{C_5S_2}=5m_C+2m_S\)

Thus, we plug in the atomic masses given in the periodic table to obtain:

\(MM_{C_5S_2}=5*12.01+2*32.07\\\\MM_{C_5S_2}=132.19g/mol\)

Best regards!

Sedimentation, filtration, and coagulation are the treatments that will help remove contaminants from minerals or from the pipes carrying water from a source.

Sedimentation is a process in which suspended particles settle out of water. It is one of the most basic techniques for removing particles from water. As particles settle, they become trapped in the bottom of a container or settle to the ground in an outdoor setting

Filtration is a method of removing particles from a fluid. It is a physical or chemical separation method that separates solids from fluids (liquids or gases) by adding a medium through which only the fluid can pass.

Coagulation is the process of using chemicals to remove contaminants from water. By creating a chemical reaction, coagulation destabilizes particles and causes them to clump together. This helps to remove the contaminants from the water.

Disinfection is the process of eliminating or destroying pathogens that cause infection. Disinfection eliminates harmful microorganisms by destroying or inactivating them. The disinfectant is a chemical or physical agent that is used to destroy or inactivate harmful microorganisms.

Know more about  Filtration   here:

https://brainly.com/question/29756050

#SPJ8

Answer:

6

Explanation:

As , 2H2 + O2 = 2H2O

with 6 H2, 4O2 is excess.

H2O molecules formed = 6

Answer: It is indeed A.Standard Solution.

Hope this helps you!

Initial temperature of the water was 62.5°C.

The specific heat capacity of water is the amount of heat required to raise the temperature of one gram of water by one degree Celsius. It is an important property of water because it makes it a good heat storage medium, which is why it is used in many cooling and heating systems.

We can use the formula Q = mcΔT, where Q is the heat absorbed, m is the mass of the water, c is the specific heat capacity of water, and ΔT is the change in temperature.

Since the water is heated until it just begins to boil, we know that ΔT = 100°C (the boiling point of water at atmospheric pressure).

The specific heat capacity of water is c = 4.184 J/(g·°C).

Plugging in the values we know, we get:

4.81×10^5 J = (2230 g) × (4.184 J/(g·°C)) × (100°C - initial temperature)

Simplifying and solving for the initial temperature, we get:

initial temperature = 100°C - (4.81×10^5 J) / (2230 g × 4.184 J/(g·°C))

= 62.5°C

Learn more about "specific heat" here:

https://brainly.com/question/11297584

#SPJ1

The claim that paraffin wax would float in ethanol (d = 789 kg/L) is accurate.

A 40–50% aqueous solution would have a density that could be adjusted to be just below that of paraffin wax, while regular alcohol (ethanol) has a density of roughly 0.8. The wax would then begin to sink. Warming causes the wax's density to significantly decrease (more than ethanol does), causing it to float.

Even with your lungs completely expanded, you cannot float in 80-proof (or 40%) alcohol since your body weighs more than the booze and will sink if you stop swimming.

To know more about paraffin wax visit:-

https://brainly.com/question/16121848

#SPJ1

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: C3H8 + 5O2 ---> 3CO2 + 4H2O

Explanation: This is an example!

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: C . A covalent bond

Answer:

89.6 F

Explanation:

Brain-List?

Answer:

1.227 x 10^-6

Explanation:

1 mole= 6.022 x 10^23 atoms

Answer: D.

Explanation:

In an exothermic reaction, the reactants have higher potential energy than the products, and energy is released. In an endothermic reaction, the reactants have lower potential energy than the products, and energy is absorbed. In this case, the statement that best describes the total energy change of the system is D. The reactants have higher potential energy, and energy is absorbed.

I hope this helps. Let me know if you have any other questions!

Answer:

1.6x10⁻⁶M

1.6x10⁻⁶m

0.1928ppm

192.8ppb

Explanation:

The first dilution of the solution is from 1mL to 15mL. The second from 2mL to 25mL and the third from 1.5mL to 250mL. That means molarity is:

50mM =

0.050M * (1mL / 15mL) * (2mL / 25mL) * (1.5mL / 250mL) = 1.6x10⁻⁶M

Molality is defined as the ratio between moles and kg. Assuming the density of the solution is 1kg/L, molality is 1.6x10⁻⁶m

ppm is the ratio between milligrams and Liters:

1.6x10⁻⁶mol / L * (120.5g /mol) * (1000mg / g) = 0.1928mg/L = 0.1928ppm

And ppb = 1000*ppm;

0.1928ppm*1000 = 192.8ppb

Answer:

The actual yield is 2.675 grams and the theoretical yield is 4.0543 grams.

Explanation:

Based on the given question the reaction will be,  

SiO₂ (s) + 4HF ⇒ SiF₄ + 2H₂O (l)

Let w be the concentration of silicon tetrafluoride generated by reacting silicon dioxide with hydrogen fluoride. The mass of silicon dioxide given in the question is 2.339 grams. The molar mass of silicon dioxide is 60 grams per mole and the molar mass of silicon tetrafluoride is 104 grams per mole.  

Therefore, it can be said that 60 grams of silicon dioxide is giving rise to 104 grams of silicon tetrafluoride. So, 2.339 grams of silicon dioxide will generate,  

As w is the weight of silicon tetrafluoride produced, so with the help of cross-multiplication we get,  

60 × w = 2.339 × 104

w = 2.339 × 104 / 60 = 4.054 grams is the theoretical yield. However, the actual yield is 2.675 grams. So, the percent yield will be,  

Percent yield = actual yield / theoretical yield × 100  

Percent yield = 2.675 grams / 4.054 grams × 100

Percent yield = 65.98 %

The theoretical yield would be 4.052 g while the actual yield is 2.675 g

The reaction between SIO2 with HF can be represented by the following equation:

\(SiO_2 + 4HF ---> 2H_2O + SiF_4\)

The ratio of SiO2 reacted to SiF4 produced is 1:1.

Theoretically:

mole of 2.339 SiO2 = mass/molar mass

                               = 2.339/60.08

                                   = 0.00389 moles

Thus, equivalent mole of SiF4 = 0.00389 moles

Mass of 0.00389 moles of SiF4 = mole x molar mass

                                                   = 0.00389 x 104.0791

                                                    = 4.052 g

Hence, the theoretical yield is 4.052 g while the actual yield is 2.675 g

More on reaction yields can be found here: https://brainly.com/question/7786567?referrer=searchResults

Complete Question

The complete question is shown on the first uploaded image

Answer:

The mass is \(m = 0.0349 \ g\)

Explanation:

From the question we are told that

   The Henry's Law constant is  \(k = 2.4 *10^{10} M/atm\)

   The volume of water is \(V = 525 \ ml = 0.525 \ L\)

   The partial pressure is  \(P = 1.90 \ atm\)

   The temperature is \(T = 25 ^oC\)

Henry's  law is mathematically represented as

       \(C = P * k\)

Where C is  the concentration of sulfur hexafluoride(SP)

substituting value

        \(C = 1.90 * 2.4*10^{-4}\)

        \(C = 4.56*10^{-4} \ M\)

The number of moles of  SP is mathematically represented as

        \(n = C * V\)

substituting value

       \(n = 0.525 * 4.56*10^{-4}\)

       \(n = 2.39 *10^{-4} \ moles\)

The mass of SP that dissolved is

          \(m = n * Z\)

Where Z is the molar mass of SP which has a constant value of

           \(Z = 146 g/mole\)

So

         \(m = 2.394*10^{-4} * 146\)

         \(m = 0.0349 \ g\)

Considering the definition of molar mass, there are 162 grams of Al in 6 moles of Al.

The molar mass of substance is a property defined as its mass per unit quantity of substance, in other words, molar mass is the amount of mass that a substance contains in one mole.

You want to determine the mass in 6 moles of Al. So, being the molar mass of Al is 27 g/mole, you can apply the following rule of three: If by definition of molar mass 1 mole of Al contains 27 grams, 6 moles of Al contains how much mass?

mass= (6 moles× 27 grams) ÷1 mole

mass= 162 grams

In summary, there are 162 grams of Al in 6 moles of Al.

Learn more about molar mass:

brainly.com/question/5216907

brainly.com/question/11209783

brainly.com/question/7132033

brainly.com/question/17249726

#SPJ1

Answer:

the theoretical yield of aspirin from 1.629 g of salicylic acid is 2.13 g.

Therefore, the flow rate of ammonia that should be delivered into the stream is 6.34 x 10⁶ L/s.

Concentration refers to the amount of a substance that is dissolved or present in a given volume or mass of a solution or mixture. It is usually expressed as the amount of solute per unit of solvent or solution. There are different ways to express concentration, including molarity, molality, mass percentage, volume percentage, and parts per million (ppm), among others. Concentration is an important parameter in many fields, including chemistry, biochemistry, environmental science, and engineering.

Here,

To solve this problem, we need to use the ideal gas law to calculate the number of moles of NO in the exhaust stream, and then use stoichiometry to determine how much ammonia is required to react completely with the NO. First, let's use the ideal gas law to calculate the number of moles of NO in the exhaust stream:

PV = nRT

where P is the partial pressure of NO, V is the volume of the exhaust stream, n is the number of moles of NO, R is the ideal gas constant, and T is the temperature of the exhaust stream.

We can rearrange this equation to solve for n:

n = PV/RT

Plugging in the values given in the problem, we get:

n(NO) = (21.8 torr) (335 L/s) / (0.08206 L·atm/mol·K) (955 K)

n(NO) = 972.4 mol/s

Now let's use stoichiometry to determine how much ammonia is required to react completely with the NO. According to the balanced chemical equation, 4 moles of NH₃ react with 4 moles of NO:

4NH₃(g) + 4NO(g) → 4N₂(g) + 6H₂O(g)

So the number of moles of NH₃ required is equal to the number of moles of NO, or:

n(NH₃) = n(NO) = 972.4 mol/s

However, the ammonia delivered to the stream is only 65.4% pure, so we need to calculate the actual flow rate of ammonia required to deliver this many moles of NH₃.

Let's first calculate the number of moles of ammonia that would be present in 1 L of the ammonia solution:

n(NH₃) = (65.4/100) (765 torr / 760 torr) (1 L) / (0.08206 L·atm/mol·K) (298 K)

n(NH3) = 0.0270 mol/L

Now we can use this value to calculate the flow rate of ammonia required:

Flow rate of ammonia = n(NH₃) / molarity of ammonia solution x purity of ammonia solution

Flow rate of ammonia = 972.4 mol/s / (0.0270 mol/L) / (65.4/100)

Flow rate of ammonia = 6.34 x 10⁶ L/s

To know more about concentration,

https://brainly.com/question/29276511

#SPJ9

The least polar is H-P when it is compared with H-O.

This is referred to as a term which is depicted by the separation of electric charge leading to a molecule or its chemical groups having an electric dipole moment, with a negatively charged end and a positively charged end.

H-P is actually non polar since the difference was zero while H-O bond which is present in a water molecule is polarized due to the large difference in the electronegativity values of the oxygen and hydrogen atoms and is therefore the reason why the least polar substance in this scenario is H-P.

Read more about Polarity here https://brainly.com/question/17118815

#SPJ1

The bond that is least polar is H-P

Polarity refers to the distribution of electrical charge within a molecule or ion. Polarity arises from the unequal sharing of electrons in a covalent bond, or from the presence of ions with different charges.

Polarity plays an important role in determining the chemical and physical properties of a substance, as well as in its interactions with other polar or non-polar substances. For example, polar substances tend to dissolve well in polar solvents, while non-polar substances tend to dissolve well in non-polar solvents.

Learn more about polarity:https://brainly.com/question/29217577

#SPJ1

Work can be totally transformed into heat (for example, by friction), whereas heat can only be partially converted into work.

A model is a depiction of something that is frequently too difficult to directly observe or display. Although experimental testing validates a model, it is only accurate in explaining specific characteristics of a physical system.

Work is defined as the transfer of energy to or from a system by any means other than heat.

A transfer of energy to or from a system by any means other than heat is called “work”. Work can be completely converted into heat (by friction, for example), but heat can only be partially converted to work. The Second Law of Thermodynamics, states that the complete conversion of heat into work is impossible.

Heat transmission in materials can be described using the kinetic particle model. Heat energy always travels from a high-temperature zone to a low-temperature region.

Thus, heat can do work by constructing a model.

To learn more details about heat here:

brainly.com/question/1429452

#SPJ1

Answer:

x/2

Explanation:

X = 2 molecules of H2

For 2 molecules of H2, there's only 1 molecule of O2. Meaning, there's twice the amount of H2, so O2 = x/2 molecules.

I hope I'm understanding this question right.

The pressure of the helium gas in the tank is 0.990 atm (at 25°C and with a volume of 5.0 L).

To solve this problem, we can use the ideal gas law:

PV = nRT

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

First, we need to convert the given temperature of 25 degrees Celsius to Kelvin:

T = 25°C + 273.15 = 298.15 K

Next, we need to calculate the number of moles of helium gas using its mass and molar mass:

n = m/MW

where m is the mass of helium and MW is the molar mass of helium, which is 4.003 g/mol.

n = 2.0 g / 4.003 g/mol = 0.499 moles

Now we can put in the values we have into the ideal gas law and solve for P:

P = nRT/V

P = (0.499 mol)(0.08206 L·atm/mol·K)(298.15 K) / 5.0 L

P = 0.990 atm

Therefore, the pressure of the helium gas in the tank is 0.990 atm (at 25°C and with a volume of 5.0 L).

Learn more about Helium Gas at

brainly.com/question/13645498

#SPJ1

Answer:

d

Explanation:

The amount of water on Earth is indeed constant, but the availability and distribution of clean and usable water are not.

Water crisis is experienced by people in some communities and countries due to various reasons such as climate change, population growth, urbanization, pollution, over-extraction, inefficient use, and unequal access. Climate change alters the water cycle and leads to more frequent and severe droughts, floods, and storms.

Population growth and urbanization increase water demand and wastewater production, stressing water resources and infrastructure. Pollution from industrial, agricultural, and domestic sources contaminates water sources and harms human health and ecosystems. Over-extraction of groundwater and surface water for irrigation, industry, and domestic use leads to depletion and subsidence. Inefficient use of water, such as leakage, evaporation, and over-irrigation, wastes water and energy. Unequal access to water and sanitation, due to social, economic, and political factors, creates inequities and conflicts.

Learn more about water crisis, here:

https://brainly.com/question/1289268

#SPJ1

Answer: I think so.. (sorry if i am wrong)

Explanation:  Familiar examples of physical properties include density, color, hardness, melting and boiling points, and electrical conductivity. A physical property is a characteristic of matter that is not associated with a change in its chemical composition.

The volume of the CO2 gas is approximately 21.0 L.

We can use the ideal gas law equation

\(PV = nRT\)

where

We need to convert the temperature from Celsius to Kelvin:

T = 273 + 43 = 316 K

Next, we can calculate the amount of gas (n) using the mass of CO2 and its molar mass:

n = m/M

where m is the mass of the gas and M is the molar mass of CO2.

Molar mass of CO2 = 12.01 + 2(16.00) = 44.01 g/mol

n = 45 g / 44.01 g/mol = 1.022 mol

Now we can rearrange the ideal gas law to solve for the volume:

V = nRT/P

V = (1.022 mol)(0.0821 L·atm/mol·K)(316 K)/(1.24 atm)

V = 21.0 L

Therefore, the volume of the CO2 gas is approximately 21.0 L.

Learn more about ideal gas law here : brainly.com/question/20348074

#SPJ1

The volume of the base that we are going to require in the process would be 28.5 mL

A neutralization reaction is a chemical reaction that occurs when an acid reacts with a base to form a salt and water. It is called a neutralization reaction because the resulting solution is neutral, with a pH of around 7.

We have that;

CAVA/CBVB = NA/NB

CAVANB = CBVBNA

VB = CAVANB/CBNA

VB = 0.132 * 12 * 2/0.111 * 1

VB = 28.5 mL

We are going to use the base that would have a volume of 28.5 mL

Learn more about neutralization:https://brainly.com/question/14156911

#SPJ1

Answer:

The answer to your question is given below

Explanation:

To prepare 3 M solution of NaOH, do the following:

1. Determine the number of mole of NaOH in the solution. This can be obtained as follow:

Molarity of NaOH = 3 M

Volume = 1 L

Mole of NaOH =?

Mole = Molarity × Volume

Mole of NaOH = 3 × 1

Mole of NaOH = 3 moles

2. Determine the mass of 3 moles of NaOH. This can be obtained as follow:

Mole of NaOH = 3 moles

Molar mass of NaOH = 23 + 16 + 1

= 40 g/mol

Mass of NaOH =?

Mass = Mole × molar mass

Mass of NaOH = 3 × 40

Mass of NaOH = 120 g

3. Measure 120 g of NaOH and dissolve in 1 L of water in a volumetric flask to produce 3 M of the solution.

An impact of the specific heat of the water on the planet is that islands and coastal places have moderately pleasant climates. Therefore, option A is correct.

The specific heat of water is relatively high compared to other substances. This means that water requires a significant amount of heat energy to increase its temperature. As a result, water has a stabilizing effect on the climate of coastal and island regions.

The high specific heat of the water helps to moderate temperature changes, resulting in milder and more pleasant climates in these areas.

Learn more about specific heat, here:

https://brainly.com/question/31608647

#SPJ1

The following are categorized into polar or nonpolar molecules:

a) Beryllium chloride (BeCl₂) is a nonpolar molecule. The Be-Cl bond is polar due to the electronegativity difference between beryllium and chlorine, but the molecule is linear with the two polar bonds pointing in opposite directions, resulting in a net dipole moment of zero.

b) Hydrogen sulphide (H₂S) is a polar molecule. The H-S bond is polar due to the electronegativity difference between hydrogen and sulfur, and the molecule has a bent shape, resulting in a net dipole moment that is not zero.

c) Sulphur trioxide (SO₃) is a nonpolar molecule. The S-O bonds are polar due to the electronegativity difference between sulfur and oxygen, but the molecule is trigonal planar with the three polar bonds pointing in different directions, resulting in a net dipole moment of zero.

d) Water (H₂O) is a polar molecule. The H-O bond is polar due to the electronegativity difference between hydrogen and oxygen, and the molecule has a bent shape, resulting in a net dipole moment that is not zero.

e) Trichloromethane (CHCl₃) is a polar molecule. The C-Cl bonds are polar due to the electronegativity difference between carbon and chlorine, and the molecule has a tetrahedral shape, resulting in a net dipole moment that is not zero.

Find out more on polar or nonpolar here: https://brainly.com/question/17118815

#SPJ1

Answer:

B.) Dull

C.) Poor conductors

D.) Brittle