How many grams of oxygen are required to react with 2.05 g
g
of dihydrogen sulfide?

Answer:

An atom is a particle of matter that uniquely defines achemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. ... The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons. A proton is positively charged.

Answer:

An atom is a particle of matter that uniquely defines achemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. ... The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons. A proton is positively charged.

Answer:

will you help us with that one please

The masses of dimethylamine and dimethylammonium chloride we need to prepare 8. 00 l of pH = 12. 00 buffer is 905 gm.

A buffer solution is defined as an acid or a base aqueous solution consisting of a mixture of a weak acid and its conjugate base, or vice versa whose pH changes very little when a small amount of a strong acid or base is added to it.

For above given information, the dimethylamine (CH₃)₂NH and dimethylammonium chloride (CH₃)₂NH * HCl are mixed to prepare a buffer solution

The concentration of the components is given as 0.5M , Volume = 5L

No. of moles = CV = 0.5 * 5 =2.5 moles

2.5 moles of dimethylamine = mass/ Molecular weight

Molecular weight of dimethylamine = 45 gm

Therefore the mass of dimethylamine required = 45 * 2.5 = 112.5gm

4 moles of dimethylammonium chloride = 362 gm

Therefore the mass of dimethylammonium chloride required = 362*2.5 = 905 gm

Thus, the masses of dimethylamine and dimethylammonium chloride we need to prepare 8. 00 l of pH = 12. 00 buffer is 905 gm.

Learn more about Buffer Solution, here:

brainly.com/question/3435382

#SPJ2

Answer:

C.

Explanation:

Hello there!

In this case, according to the given chemical reaction:

\(Pb(NO_3)_2 (aq) + Na_2S(aq) \rightarrow PbS(s) + 2 NaNO_3(aq)\)

We can see that at the end of the reaction solid PbS remain on the bottom of the beaker as it is a precipitate product whereas free sodium and nitrate ions remain in solution as sodium nitrate is an aqueous species. Therefore, the correct diagram would be C.

Best regards!

Among the given diagram, option C best represents the mixture after the reaction has proceeded as completely as possible.

A mixture is a combination of two or more substances which are combined together.

The Balanced equation for the actions:

\(\rm Pb(NO3)_2 (aq) + Na_2S(aq) \rightarrow PbS(s) + 2 NaNO_3(aq)\)

Diagram C shows that the vessel contains the precipitate PbS on the bottom of it whereas the solution contains the remaining ions that are \(\rm Na^+\ and \ NO_3^-\).

Therefore, the correct answer is option. C best represents the mixture.

Learn more about mixture here:

https://brainly.com/question/12160179

#SPJ6

Answer:

465.05

Explanation:

120.17 x 3.87

you take the molar mass of the compound and multiple it by the moles

The quantity of grams required per pound of body weight, given the prescription medication, is 0.00385714 g per pound.

You would first need to convert kg to lbs in order to translate the dosage of 8.50 mg per kg of body weight to the number of grams per pound of body weight. A kilogram weighs 2.20462 pounds. To calculate the dosage in mg per pound of body weight, divide the 8.50 mg dose by 2.20462.

= 8.50 mg / 2.20462

= 3.85714 mg per pound

Since 1g = 1, 000mg, we may convert mg to g. Thus, we can multiply 1000 by 3.85714 mg/lb to obtain the dosage in grams per pound.

= 3.85714 mg/lb / 1000

= 0.00385714 grams per pound

Find out more on body weight at https://brainly.com/question/28798122

#SPJ1

The pressure inside the canister at a campfire temperature of 1500°C is 0.227 atm

Given that the temperature of the campfire is 1500°C, the volume of the aerosol canister is 1500 milliliters, and the number of moles of gas in the canister is 3 moles.The ideal gas equation is given as PV = nRT, where P is pressure, V is volume, n is the number of moles of gas, R is the ideal gas constant, and T is the absolute temperature of the gas in Kelvin.To convert 1500°C to Kelvin, we use the equation: T(K) = T(°C) + 273T(K) = 1500 + 273T(K) = 1773 KSubstitute the values given in the ideal gas equation:P = (nRT) / VWe are given n, R, V, and T, hence we substitute and solve for P as follows:P = (3 × 0.082 × 1773) / 1500P = 0.227 atm.It is not safe to put an aerosol canister in a campfire because the pressure inside the canister will increase at higher temperatures. If the pressure in the canister continues to increase beyond the safe limit, it can explode. Therefore, always keep aerosol canisters away from sources of high temperatures.

for such more questions on pressure

https://brainly.com/question/24719118

#SPJ8

Answer:

hmmm

Explanation:

Answer:

True

Explanation:

Rate of evaporation is directly proportional to temperature. Thus, the rate of evaporation is higher on a warm day than a cold day having low temperature and clothes dry faster on a warm day.

To graph the function g(x) = f(-x), you can start with the graph of f(x) and then reflect it about the y-axis.

To find the graph of the function g(x) = f(-x), we can start with the graph of the function f(x) and then reflect it about the y-axis.

If the graph of f(x) is symmetric with respect to the y-axis, meaning it is unchanged when reflected, then g(x) = f(-x) will have the same graph as f(x).

However, if the graph of f(x) is not symmetric with respect to the y-axis, then g(x) = f(-x) will be a reflection of f(x) about the y-axis.

In either case, the resulting graph of g(x) = f(-x) will be symmetric with respect to the y-axis.

Learn more about the graph of functions at: https://brainly.com/question/17089414

#SPJ1

Answer:

We need more? What else is in the question? This is unanswerable.

Explanation:

An acylation phase and a diacylation phase are the first two phases of the reaction. The peptide bond is broken and an ester is created between the substrate and enzyme in the first phase.

To learn more about enzyme, refer to:

brainly.com/question/2536131

#SPJ4

Answer:

81.59%

Explanation:

First we convert 107.50 g of NH₃ into moles, using its molar mass:

Now we calculate how many moles of NO would have been formed by the complete reaction of 6.32 moles of NH₃:

Then we convert 6.32 moles of NO to grams, using its molar mass:

Finally we calculate the percent yield:

As the disturbance gets to the land the warm ocean waters are no longer around thus the hurricane would die off rapidly

The hurricane tends to occur when there is a rise of the warm air over the ocean. It should be noted that in the event of the hurricane there would be a sudden rising of the sea and this is going to rise so high that the violent waves would now begin to invade the land and cause a lot of destruction on its path as it is moving out from the ocean where the disturbance started.

Hence we can see that the origin of the hurricane is from some sort of a convection current that is taking place in the ocean and the hurricane must also be sustained by the existence of this convection current as the disturbance is moving away from the sea.

Learn more about Hurricane:https://brainly.com/question/13661501

#SPJ1

The ideal gas law equation is: PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature.

To determine the mass of NaCl that reacted with F2 at 290 K and 1.5 atm, we can rearrange the equation as follows: n = PV/RT. Substituting in the values for P, V, R, and T, we get: n = (1.5 atm)(18.0 L)/(0.0821 atm*L/mol*K)(290 K) = 0.835 mol NaCl.

To determine the mass of sodium chloride that can react with the same volume of fluorine gas at STP (standard temperature and pressure), we would use the same equation but with the values for P, V, R, and T corresponding to STP. At STP, P = 0.987 atm, V = 18 L, R = 0.0821 atm*L/mol*K, and T = 273 K. Therefore, n = (0.987 atm)(18 L)/(0.0821 atm*L/mol*K)(273 K) = 0.792 mol NaCl.

What is Sodium chloride?

Sodium chloride, also known as table salt, is an ionic compound composed of sodium and chloride ions in equal proportions. It is a mineral found naturally in most bodies of water, including sea water, and is widely used as a seasoning and preservative in food.

To know more about sodium chloride,

https://brainly.com/question/28106660

#SPJ1

Answer:

The ideal gas law equation is: PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature.

To determine the mass of NaCl that reacted with F2 at 290 K and 1.5 atm, we can rearrange the equation as follows: n = PV/RT. Substituting in the values for P, V, R, and T, we get: n = (1.5 atm)(18.0 L)/(0.0821 atm*L/mol*K)(290 K) = 0.835 mol NaCl.

To determine the mass of sodium chloride that can react with the same volume of fluorine gas at STP (standard temperature and pressure), we would use the same equation but with the values for P, V, R, and T corresponding to STP. At STP, P = 0.987 atm, V = 18 L, R = 0.0821 atm*L/mol*K, and T = 273 K. Therefore, n = (0.987 atm)(18 L)/(0.0821 atm*L/mol*K)(273 K) = 0.792 mol NaCl.

Explanation:

Answer:

Not sure sorry :(

Explanation:

Answer:

3) 1.25

Explanation:

I had the same question and somehow got it right :)

The new volume will be determined by molarity and which will be  1.25 ml.

The volume of an object is just a measurement of how much space it takes up.

The molality refers to the moles of a solute in relation to the mass of the solvent, whereas the molarity refers to the moles of a solute in based on the volume of the solution. It can be denoted by M.

The formula of Molarity is

\(M_{1} V_{1} =M_{2}V_{2}\)

where, M is molarity and V is volume.

Calculation of volume.

It is given that,\(M_{1} = 0.1 M, M_{2} =0.0025 M.\)

Now, puts the value of given data in molarity equation.

\(M_{1} V_{1} = M_{2} V_{2}\)

\(V_{1} = M_{2} V_{2} /M_{1}\)

\(V_{1}\) = 0.005×25/0.1 = 1.25 ml

Therefore, the correct answer will be option 3.

To know more about molarity and volume click here.

https://brainly.com/question/20366625.

#SPJ2

Answer:  I found a image to lewis structure for the molecule N2O.

I think this might help you to draw a lewis structure.

Explanation:

Answer:

I can say that knowledge of separating mixtures can help us in daily life and within society in the following ways:

1. Purification of water: Separation techniques are used to purify water for drinking and industrial purposes. It is essential to remove impurities from water to prevent diseases.

2. Recycling: Separation techniques are used to separate materials for recycling. This helps reduce the amount of waste in landfills and helps conserve resources.

3. Food industry: Separation techniques are used in the food industry to separate unwanted particles from food products. This helps ensure that the food we eat is safe and free from contaminants.

4. Medicine: Separation techniques are used in the pharmaceutical industry to separate and purify chemicals for use in medicine. This helps ensure that medicines are safe and effective.

5. Environmental protection: Separation techniques are used to remove pollutants from the environment. This helps protect our natural resources and prevent pollution-related health problems.

6. Oil and gas industry: Separation techniques are used to separate crude oil and natural gas into their various components. This helps in the production of energy and other useful products.

In summary, knowledge of separating mixtures is essential in our daily lives and within society. It helps ensure that we have access to safe and clean water, food, medicine, and energy, and also helps protect the environment.

Explanation:

Answer: trigonal bipyramidal

Explanation:

Number of electron pairs = \(\frac{1}{2}[V+N-C+A]\)

V = number of valence electrons present in central atom

N = number of monovalent atoms bonded to central atom

C = charge of cation

A = charge of anion

\(SbCl_5\) :

In the given molecule, antimony is the central atom and there are five chlorine as monovalent atoms.

The number of electron pairs are 5 that means the hybridization will be \(sp^3d\) and geometry of the molecule will be trigonal bipyramidal.

The new volume of the gas whose pressure was changed would be = 40 milliliters.

The initial volume(V1)of the gas= 20ml

The initial pressure(P1) = 4 atm

The final pressure(P2) = 2 atm

The final volume(V2) = ?

Using the general gas formula;

P1V1 = P2V2

V2 = P1V1/P2

= 4×20/2

= 40ml

Learn more about volume here:

https://brainly.com/question/27710307

#SPJ1

net ionic equation

H⁺(aq)+OH⁻(aq)⇒H₂O(l)

The electrolyte in the solution produces ions.  

The equation of a chemical reaction can be expressed in the equation of the ions  

For strong electrolytes (the ionization rate = 1) is written in the form of separate ions, while the weak electrolyte (degree of ionization <1) is still written as an un-ionized molecule  

In the ion equation, there is a spectator ion that is the ion which does not react because it is present before and after the reaction  

When these ions are removed, the ionic equation is called the net ionic equation  

For gases and solids including water (H₂O) can be written as an ionized molecule  

So only the dissolved compound is ionized ((expressed in symbol aq)  

Reaction

HF(aq)+RbOH(aq)⇒H₂O(l)+RbF(aq)

ionic equation

H⁺(aq)+F⁻(aq)+Rb⁺(aq)+OH⁻(aq)⇒H₂O(l)+Rb⁺(aq)+F⁻(aq)

net ionic equation

H⁺(aq)+OH⁻(aq)⇒H₂O(l)

The most accurate statement about signal transmissions among the given options is:

a) All signals in transmission will lose clarity with distance.

When a signal is transmitted over a distance, it can experience various types of degradation or attenuation. Factors such as distance, interference, noise, and the medium through which the signal travels can all contribute to a reduction in the clarity or quality of the signal. This means that as the distance between the source and receiver increases, the signal may become weaker, distorted, or prone to interference, resulting in a loss of clarity.

Answer: A

Explanation: I quizzed

The reaction which represents an acid-base reaction is: HNO3(aq) + NH3(aq) → NH4*(aq) + NO3(aq).

An acid-base reaction is a reaction in which a substance donate protons to another substance which then accepts the proton.

An acid-base reaction usually involves the formation of a salt.

From the given reactions, the acid-base reaction is given below:

In the given reaction, HNO3 donates a proton and NH3 accepts the proton.

Therefore, the reaction which represents an acid-base reaction is: HNO3(aq) + NH3(aq) → NH4*(aq) + NO3(aq).

Learn more about acid-base reaction at: https://brainly.com/question/15334816

#SPJ1

Answer:

\(\boxed {\boxed {\sf Almost \ all \ phosphates \ are \ insoluble}}\)

Explanation:

For magnesium phosphate to make an aqueous solution, it must be soluble in water.

Let's check the solubility rules. There are many different lists and versions, but it should mention a rule about phosphates.

Magnesium phosphate is included in "all phosphates" so it is insoluble and can't become an aqueous solution.

Magnesium Phosphate (Mg₃(PO₄)₂) would not make an aqueous solution because it is insoluble in water.

A solution is a homogeneous mixture of one or more solutes dissolved in a solvent.

According to the solubility rule, all phosphates are insoluble in water except sodium and potassium phosphates and thus magnesium phosphate does not form an aqueous.

Learn more about Solutions, here:

https://brainly.com/question/30665317

#SPJ6

Answer:

DNA , lipids , hydrocarbons, and the opposite would be molecules such as salt and wter

Answer:

Some drinks like Gatorade or powerade, some fruit drinks to