5. During factory inspection, Just Lemons, Inc. discovered that a water valve to the
lemonade mixing station was not functioning. Once they repair it, more water will
enter the mixing station. From what you know about the limiting and excess
ingredients for current lemonade production, what advice would you give engineers
about the upcoming increase in water?

Answer:

It would generate a electro lithium nucleous

Answer:

4 PH₃ + 8 O₂ -----> P₄O₁₀ + 6 H₂O

Explanation:

An equation is balanced when there is an equal amount of each element on both sides of a chemical reaction. Remember, the reactants are the molecules that lie on the left of the reaction arrow and the products are the molecules that lie on the right.

The unbalanced equation:

PH₃ + O₂ -----> P₄O₁₀ + H₂O

Reactants: 1 phosphorus, 3 hydrogen, 2 oxygen

Products: 4 phosphorus, 2 hydrogen, 11 oxygen

As you can see, there is an unequal amount of each element. To balance the equation, we can add coefficients to change the quantity of particular molecules. By doing this, you subsequently change the amount of the elements.

The balanced equation:

4 PH₃ + 8 O₂ -----> P₄O₁₀ + 6 H₂O

Reactants: 4 phosphorus, 12 hydrogen, 16 oxygen

Products: 4 phosphorus, 12 hydrogen, 16 oxygen

****P₄O₁₀ technically has a coefficient of 1

A ternary phase diagram shows the phases of a ternary system. These phases are usually represented by triangular diagrams. The vertices of the triangle represent the three pure components, and the distance from the vertices is a measure of their cardinality.

A phase diagram is a graphical representation of the different stages of a substance or mixture of substances that coexist in thermodynamic equilibrium and undergo phase changes under different operating conditions such as temperature pressure and volume.

The diagram is divided into three regions representing the solid-liquid and gaseous states of matter. The best way to remember the regions that correspond to each of these states is to remember the temperature and pressure conditions most relevant to solids liquids and gases. A phase diagram shows the temperatures and pressures at which different phases of matter solids liquids and gases can exist.

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With a balanced reaction, we can determine the moles of products. The balanced equation will be:

FeCl3 + 3NH4OH → Fe(OH)3 + 3NH4Cl

They says that NH4OH is in excess, so, the limiting reactant will be FeCl3 and we will do all the calculations with this reactant.

We have to calculate the moles of FeCl3, we will use the molar mass:

Now, to calculate the moles of the products we must take into account the product/reactive ratios, for this we are guided by the coefficients that accompany the molecules.

Ratio Fe(OH)3 to FeCl3 = 1/1

Ratio NH4Cl to FeCl3 = 3/1

Moles of each product

Moles of Fe(OH)3

Moles of NH4Cl

The grams of each product we will find by multiplying the moles by the molar mass. So we have.

g of Fe(OH)3

g of NH4Cl

When 0.900mol of octane is burned in air it reacts with oxygen Oxygen gas to produce carbon dioxide gas and water vapor, then 7.20mole of carbon dioxide is produced.

Combustion reaction is a reaction in which a substance, basically hydrocarbons burns in presence of oxygen to produce carbon dioxide and water.

The balanced reaction is

[tex]2C_{8} H_{18}+25O_{2} \rightarrow16CO_{2} +18H_{2}O[/tex]

The mole ratio of octane to carbon dioxide is 2:16 that is 1:8

2 mole of octane produce =16 mole of carbon dioxide

1 mole of octane produce = 8 mole of carbon dioxide

0.900mol of octane produce= 8× 0.900

                                                = 7.20mole

Thus the mole of carbon dioxide produced is 7.20mole.

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ANSWER

Moles of water is 3.50 moles

EXPLANATION

Given that:

The mole of hydrogen gas is 3.50 moles

Firstly, write a balanced equation for the reaction

In the reaction, 2 moles of hydrogen will give you 2 moles of H2O

Since the number of moles of hydrogen given id 3.5 moles, then the number of moles of water.

Answer

Explanation

Given:

2Al + 3Cl₂ 2AlCl₃

Molar mass of AlCl3 => 133 g/mol

Moles of Cl₂ = 25.0 mol

What to find:

The grams of aluminum chloride that can be produced.

Step-by-step solution:

Step 1: Determine the mole of AlCl₃ produced.

From the given chemical equation for the reaction,

3 mol Cl₂ produce 2 mol AlCl₃

So 25.0 mol Cl₂ will produce

16.67 moles of AlCl₃ produced.

Step 2: Calculated the grams of AlCl₃ produced.

Using the mole formula

Before Europe colonized the Americas indigenous peoples used controlled burning to alter the landscape. Controlled fires were part of the environmental cycles and wildlife habitat protection that underpinned the cultures and economies of the Native American peoples.

Before European invasion tribes used controlled burning to remove shrubs that acted as craters returning nutrients to the soil preventing overcrowding and excessive competition for nutrients and water and maintaining healthy forests pastures. and cleared grasslands for wildlife such as water buffalo Prevent forest fires.

For many indigenous peoples fire was an essential part of life. Native Americans Alaskan Natives and Native Hawaiians used fire to clear land for crops and travel to cultivate land for certain plant and animal species to hunt game and for many other important purposes. used. Indigenous peoples were able to survive many natural disasters because they learned to move quickly when a disaster struck an area.

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Uranium-238 is an unstable nuclide that emits an alpha particle, three neutrons, and

gamma particles and produces a daughter nuclide Thorium.

The atomic mass of alpha particle is 4g and atomic number 2. Since an alpha particle emits, so there is reduction in the atomic mass 4 and atomic number 2.

The atomic number of neutron is 0 and the atomic mass of neutron is 1. When three neutrons emit the atomic mass reduces to 3 while atomic number remains same.

Gamma particles have no mass and charge. So, atomic number and atomic mass remains same.

Total reduction in atomic mass : 238 - 4 - 3 = 231.

Total reduction in atomic number = 92- 2 = 90

Therefore, the daughter nuclide is Thorium.

Thus, we concluded that the Uranium-238 is an unstable nuclide that emits an alpha particle, three neutrons, and gamma particles and produces a daughter nuclide Thorium.

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Atomic mass of zinc is 65. Simply dip one strip into the water for 3 seconds, remove it and shake once to remove excess water, wait 20 seconds for the color to develop, and compare it to the closest color match to determine your zinc concentration.

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Answer:

b.Carbon has a total of four bonded pairs of electrons around it.

Hydrogen (H-1),  (H-2), and  (H-3) are the three isotope of hydrogen. the values of a,b, and c in the table are: a=1 , b=1, c=2.

               no. of proton      no. of electron     no. of neutron  

H-1                   1                             1                          0

H-2                  a= 1                         1                       b= 1

H-2                    1                            1                       c=  2

Isotope can be defined as the element having same no. of protons but different no. of neutrons. we can also defined as elements having same atomic number but different mass no. Hydrogen (H-1),  (H-2), and (H-3) are the three isotopes of hydrogen. ¹H has only 1 proton and zero neutron having ,mass number 1. ²H has one proton and one neutron having mass no. 2. ³H has one proton and two neutron and having mass number 3.

Thus, Hydrogen (H-1), (H-2), and (H-3) are the three isotope of hydrogen. the values of a,b,and c in the table are: a=1,b=1,c=2.

              no. of proton      no. of electron     no. of neutron

H-1                   1                             1                          0

H-2                a = 1                         1                       b = 1

H-2                    1                            1                       c =  2

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For a chemical equation to be balanced, the total moles at the reactant must be equal to that of the product. According to the given question, the reactants are magnesium and sulphur dioxide.

• Magnesium = Mg

• sulphur dioxide = SO₂

If they form magnesium oxide (MgO) and sulphur (S), these will be the product. The balanced chemical reaction is shown below:

This gives the balanced equation for the reaction

-ZnO is the compound illustrated by the law of constant composition.

According to the rule of constant proportion, the elements are always present in certain amounts to one another by mass in chemical compounds. For instance, regardless of how or where water is obtained, it always contains H2O, hydrogen, and oxygen in a mass ratio of 1:8, according to an example.

for sample A

mass Zn = 8.11g

mass of O =10-8.11=1.89g

Zn= 8.11/65 = 0.1

O= 1.89/16 =0.1

ratio is 1:1

compound = ZnO

for sample b

Zn= 10.70g

O= 13.2-10.7=2.5g

Zn= 10.70/65 =1

O= 2.5/16 =0.16=1

ratio = 1:1

compound= -ZnO

Therefore, it is shown that the figures illustrate the law of constant composition.

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The Lewis dot model of a molecule is shown as -

On the basis of this model, the statement which is true is Carbon has a total of four bonded pairs of electrons around it.

Formaldehyde, HCHO has two hydrogen atoms, one carbon atom and one oxygen atom. Oxygen and carbon has double bond between them. Carbon atom is located at the center in the lewis dot structure. Valence electrons in the outer shell of carbon is four. Four electrons of carbon are bonded as it is bonded with two hydrogen atoms and one oxygen atom and oxygen and carbon atom has double bond between them.  

Therefore, Carbon has total of four bonded pairs of electrons around it. Hence, this statement is true.

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• We are given that Lidocaine is available as 0.5%(w/v) , 0.5%(w/v) represents the amount of Lidocaine in grams per 100mL. so, 0.5% is the same as 0.5g of Lidocaine in 100ml.

• Since our solution has a volume of 6.0mL:

mass of Lidocaine = 6mL * (0.5g /100mL)

= 0.03g of Lidocaine in 6.0mLsolution.

This means that, in 6.0ml of this injection solution, we have 0.03g of Lidocaine .

The percentage of mass of 0.101g in 2.093g of vinegar comes out to be 4.8%. Mass percentage does not have any unit as numerator and denominator contains the same unit.

Mass percentage represents the the percentage of each element that is making a particular compound.

mass of vinegar solution =density of vinegar solution× volume of  vinegar solution

                                          =0.996 g/mL×2.00 mL

                                           =1.992g

Percentage of mass=(mass of acetic acid ÷ total mass of solution) x 100%

                                  =[0.101÷(0.101+1.992)]×100

                                 =0.048×100

                                  =4.8%

Thus the mass percentage of acetic acid is 4.8%

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Using the periodic table, THE molecule that has a stable configuration that satisfies the octet rule for all atoms is option B: MgO

MgO (Magnesium Oxide) and (Magnesium Oxide) establish an ionic bond thanks to the electrostatic attraction that develops between them. A MgO molecule contains two atoms with stable octet arrangements.

Note that when we study the octet rule of the MGO Lewis structure. The octet rule is satisfied by the oxygen atoms and magnesium in the MgO Lewis structure. Since oxygen only requires two electrons, the condition transfers two electrons. Oxygen receives these two electrons from magnesium, a metal having two electrons in its valence shell.

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The mass of the piece of porcelain is 27.3 oz.

1st) It is necessary to calculate the mass of the porcelain with the density formula:

2nd) Now it is necessary to convert the gram unit to oz. Here we need to use the relation that 1 g is equal to 0.035 oz:

So, the mass of the piece of porcelain is 27.3 oz.

In acetylene (H-C=C-H) three pairs of electrons are shared between two atoms of carbon forming a triple bond, while a single pair of electrons is shared between a carbon atom and a hydrogen atom.

With a negative one elementary charge electric charge, the electron is a subatomic particle. Given that they have no known components or substructure and are a member of the first generation of lepton particles, electrons are typically regarded as elementary particles.

Approximately 1/1836th of a proton's mass is that of an electron. An intrinsic half-integer value angular momentum (spin) with units of the reduced Planck constant,, is one of the electron's quantum mechanical properties.

The Pauli exclusion principle states that since electrons are fermions, they can never share the same quantum state. Electrons, like all elementary particles, have the ability to interact with other particles and behave like waves when they are diffracted, similar to how light does.

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The half-life of N₂O₅ at 70°C then it is 50s or 0.8min

Half life is the the interval of time required for one half of the atomic nuclei of a radioactive sample to decay

The first-order rate constant for the decomposition of N₂O₅ and reaction is

2N₂O₅(g) → 4NO₂(g)+O₂(g)

The half life is the time at which the concentration of  N₂O₅ is the half initial concentration that is [ N₂O₅ ] = 1/2 [ N₂O₅ ]₀

Using this same equation then

ln ([N₂O₅]) = -2kt + ln ([N₂O₅]₀)

We replace [ N₂O₅ ] by 1/2[ N₂O₅ ]₀ and solve for t

ln (1/2 [N₂O₅]₀) = -2kt + ln ([N₂O₅]₀) applying logarithmic property

ln 1/2 + ln([N₂O₅]₀) = -2kt + ln ([N₂O₅]₀)  solving for t and applying logarithmic property (ln 1/2 = ln 1 - ln 2 = 0 - ln 2 = - ln 2)

t = ln 2/2k

t = 50s or 0.8min

The half-life of N₂O₅ at 70°C then it is 50s or 0.8min

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In order to separate the mixture of toluic acid, p-bromo-aniline, and anthracene, the difference in their physical properties such as solubility in organic or inorganic solvents is utilized.

The flow chart for the separation method is found in the attachment.

Mixtures are substances that consist of two or more substances that are physically combined together.

The physical properties of the components of the mixture are employed in the separation of the constituents of the mixture

In separating the given mixture, it is first dissolved in dichloromethane, and then dilute NaOH is added to separate the toluic acid in the aqueous phase. The toluic acid is then precipitated by adding HCl.

Dilute HCl is then added to the organic phase to separate p-bromo-aniline into an aqueous phase and then precipitated by adding 10% NaOH.

Anthracene is left in the organic phase.

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Answer:

0.0017 mole

Explanation:

1 mole = 6.02 x 10^23 atoms

so the number of mole in 1.0 × 10^21 atoms is

(1.0 × 10^21)/(6.02 x 10^23) = 0.00166112956 or 0.0017 mole

The heat energy that is required to melt all the ice at temperature of 0° C is 7.28x10^5 cal.

What is heat energy?

Heat energy is created by the movement of tiny atoms, molecules, or ions in solids, liquids, and gases. It is possible to transfer heat energy from one thing to another. Heat is a flow or transfer that happens when two objects have different temperatures from one another.

We know that the initial temperature of the ice (T) is 0° C

Latent heat of ice is given in the question as 80.0 cal/g

The mass of ice given in question is 9.10 kg

So, the heat required to change the phase of the ice is given as:

[tex]Q=mL[/tex]

[tex]Q =(9.10 \times 10^3)(80)[/tex]

[tex]Q = 728 \times 10^3[/tex]

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Hello.  This is Mr. Biederman, your science teacher at Insight School of Michigan.  You are obviously one of my students.  Posting content here is against school policy.  Just ask me directly for help.  I am always happy to help with anything!

Here are all names of compounds in aqeous solution.

What is aqeous solution?

An aqeous solution is one in which the solvent is liquid water .

In this solution water act as a solvent.

Sol-

HBr- Hydrogen bromide

1-HBrO- hydrobromic acid

2-HCL-hydrochloric acid

3-H2O3- hydrogen peroxide

4- HC2H3O2- glacial acetic acid

5-H2SO4-sulfuric acid

6- H3ASO3- Arsenous acid

7- HNO2- Nitrous acid

8- HC104- Perchloric acid

9-H2C2O4- oxalic acid

10- H3pO4- phosporic acid

11-H2CrO4- chromic acid

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Answer:

It is a nuclear reaction as Thorium here undergoes beta decay which is nuclear reaction

Explanation:

Beta decay occurs when an unstable nucleus emits a beta particle and energy. A beta particle is either an electron or a positron. Positron can be considered as an anti-electron as it has a positive charge unlike electrons. When the beta particle is an electron, the decay is called beta-minus decay. When the beta particle is a positron, the decay is called beta-plus decay. Beta-minus decay occurs when a nucleus has too many neutrons relative to protons, and beta-plus decay occurs when a nucleus has too few neutrons relative to protons. Thorium undergoes beta minus decay and produces Actinium and an electron.

Answer:

Explanation:

Here, we want to know the volume of chlorine gas necessary to complete the reaction

We can start by writing a balanced equation of reaction as follows:

From the balanced equation, we can see that 1 mole of chlorine gas requires 2 moles of sodium metal

Now, let us get the number of moles of sodium metal that actually reacted

We have that as the mass of sodium metal divided by the atomic mass

The atomic mass of sodium metal is 23 amu

Thus, we have the number of moles as:

Since the mole ratio is 2 to 1, half of this number of moles is needed by the chlorine gas

Mathematically, 1 mole of a gas occupies a volume of 22.4 L at STP

the volume occupied by the calculated number of moles will be:

A risk-benefit analysis compares the risks and benefits of a situation and determines whether the advantages outweigh the disadvantages. 

Strengths

Risk-benefit analysis calculates the amount of time will be worth it to the production of technology and whether the technology will have a healthy impact on the industry or not.

Weaknesses

Risk-benefit analysis cannon determine product implementation and the outcomes of real life experiences of individual customers. It has some drawbacks like benefits of customer is take under consideration but pollution in nature is not calculated.

Implication

Risk-benefit analysis is implied in almost all technical industry as it the decision maker of any developing team to work on a particular project or not. Some examples are automobile industry and smartphone industry.

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We are asked to find the temperature of hydrogen gas (H2) given certain pressure and temperature conditions. Since the pressure to which the gas will be subjected is low we can apply the ideal gas law which is represented by the following equation:

Where,

P= Pressure = 140kPa = 1.38169 atm

V= Volumen = 224 L

R= Ideal gas constant = 0.08206 (atm L)/(mol K)

n= Number of moles

T= Temperature in K

Now we are going to find the number of moles of the gas, n. We will use the molar mass of the hydrogen gas (2.01594g/mol). So, we have:

Now, we will clear the temperature T from the first equation:

We replace the known values:

So, the temperature of hydrogen gas will be 376.40K