One or more of the following molecules are substrates or products in the glycolytic pathway. Identify them. Check all that apply. View Available Hint(s) a. glucose b. pyruvate c. arachidonic acid
d. ATP
e. NADH

Answer:

Non point source pollution

Explanation:

Point source pollution is when any contaminant enter the environment from an easily from an easily identified and confined place.

Non point source pollution is pollutants released in a wide space. Including oil, grease, and toxic chemicals.  

Rubidium sulfide( Rb2S)

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Answer:

Graphing data can help you to recognize changes in what your doing.

Explanation:

Answer:

Explanation:

To identify trends, make predictions, and recognize anomalous data. Helps you understand what your data means or a picture of your graph. A graph wich the points form a straight line.

Answer:

The correct answer is B, "Specific heat capacity of the substance."

Explanation:

I just took the test. I hope this helps!

Heat absorbed changes the bonds of the molecules or the compounds to alter their state. The specific heat capacity affects the amount of heat absorbed. Thus, option B is correct.

Specific heat capacity is defined as the amount of heat or energy absorbed by the kilogram of the solid reactant when the system experiences a rise in temperature. It is measured in J/(kg K) or J/(kg °C).

The specific heat capacity, the mass of the substance, temperature, and the phase of the substance affects the absorption of the heat from the surrounding. The specific heat affects absorption as it tells about the substance's ability to take the heat energy.

Therefore, specific heat capacity affects heat absorption.

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Answer:

Solution

Explanation:

A solution is generally defined as an homogeneous mixture.

What this means is that it has only a single phase.

A solution is generally formed as a result of a solute coming in contact with a solvent.

The solvent is the liquid while the solute is the solid. It is the solute that is dissolved in a solvent.

When a solution is thus formed from the interaction between the two , an homogeneous phase is formed.

Kindly note that all other options in the question are of 2 phases and thus are heterogeneous

Answer:

b. solution

Explanation:

on edg

The total charge that flows while the battery is being charged is approximately 193,939.39 Coulombs.

To calculate the total charge that flows while the battery is being charged, we can use the relationship between electrical energy, potential difference, and charge.

The electrical energy (E) stored in the battery is given as 64 mega Jules (64 MJ). The potential difference (V) provided by the battery is 330 volts. We know that the energy (E) is equal to the product of the potential difference (V) and the charge (Q):

E = V * Q

Since the charging process is 100% efficient, all the electrical energy supplied is stored in the battery. Therefore, we can rearrange the equation to solve for the charge (Q):

Q = E / V

Substituting the given values, we have:

Q = 64 MJ / 330 V

To perform the calculation, we need to convert mega Jules (MJ) to joules (J) since the SI unit of energy is joules. One mega Joule is equal to 1 million joules:

Q = (64 * 10^6 J) / 330 V

Calculating the division:

Q ≈ 193,939.39 Coulombs

Therefore, the total charge that flows while the battery is being charged is approximately 193,939.39 Coulombs.

This value represents the quantity of electric charge transferred during the charging process, and it indicates the amount of electricity that enters the battery.

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Answer:

Zinc is Zn and Magnesium is Mg

Answer:

d

Explanation:

Answer:

There are 126 neutrons in the bismuth atom.

Explanation:

We are given that a Bi atom has an atomic mass of 209 amu and an atomic number of 83.

We want to find how many neutrons the bismuth atom has.

The atomic mass of an atom is equal to the mass of the protons + mass of neutrons (n.b. the electrons are part of the mass too, however they are very, very small. Therefore, we tend to count the mass of the electrons as 0 when calculating the atomic mass).

Recall that protons and neutrons both have a mass of about 1 amu.

Also recall that the proton number is also the atomic number. Because of this, the bismuth atom has 83 protons. And since that protons have a mass of about 1 amu, the atomic mass of the protons will be:

83 protons × \(\frac{1 amu}{1 proton}\) = 83 amu

That means that if the atomic mass is 209 amu, it is equal to the proton mass (83 amu) + an unknown mass of neutrons (let's say it is x amu).

As an equation, it will be:

83 + x = 209

Subtract 83 from both sides.

x = 126

This means that the neutrons will weigh 126 amu.

Since every neutron is about 1 amu, the amount of neutrons will be:

126 amu × \(\frac{1 neutron}{1 amu}\) = 126 neutrons

Answer:

126

Explanation:

To calculate for neutron #, subtract atomic # from atomic mass.

t hus 09- 83= 126

The atomic ratio of carbon to oxygen in carbon monoxide (CO) is 1:1, and the atomic ratio of carbon to oxygen in carbon dioxide (CO₂) is 2:1.

Firstly, we can analyze the decomposition of carbon monoxide (CO) and carbon dioxide (CO₂) to determine the atomic ratios involved.

Let's denote the atomic ratio of carbon to oxygen in carbon monoxide as x, and the atomic ratio of carbon to oxygen in carbon dioxide as y.

According to the given data;

Decomposition of carbon monoxide (CO);

Oxygen produced = 3.36 g

Carbon produced = 2.52 g

We know that the atomic mass of carbon is 12 g/mol, and the atomic mass of oxygen is 16 g/mol. Using these values, we can calculate the number of moles for each element;

Number of moles of oxygen = mass / atomic mass = 3.36 g / 16 g/mol = 0.21 mol

Number of moles of carbon = mass / atomic mass = 2.52 g / 12 g/mol = 0.21 mol

Since the atomic ratio of carbon to oxygen in carbon monoxide is x, we can write the following equation;

0.21 mol C / (0.21 mol O) = x

Simplifying the equation, we have;

x = 1

Therefore, the atomic ratio of carbon to oxygen in carbon monoxide is 1:1.

Decomposition of carbon dioxide (CO₂);

Oxygen produced = 9.92 g

Carbon produced = 3.72 g

Following the same calculations as before;

Number of moles of oxygen = mass / atomic mass = 9.92 g / 16 g/mol = 0.62 mol

Number of moles of carbon = mass / atomic mass = 3.72 g / 12 g/mol = 0.31 mol

Since the atomic ratio of carbon to oxygen in carbon dioxide is y, we can write the following equation;

0.31 mol C / (0.62 mol O) = y

Simplifying the equation, we have;

y = 0.5

Therefore, the atomic ratio of carbon to oxygen in carbon dioxide is 1:0.5, which can be simplified to 2:1.

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--The given question is incomplete, the complete question is

"Missed this? watch kcv: atomic theory; read section 2.3. you can click on the review link to access the section in your text. carbon and oxygen form both carbon monoxide and carbon dioxide. when samples of these are decomposed, the carbon monoxide produces 3.36 g of oxygen and 2.52 g of carbon, while the carbon dioxide produces 9.92 g of oxygen and 3.72 g of carbon. Calculate the atomic ratio of carbon to oxygen in carbon monoxide, and carbon dioxide."--

Explanation:

Volume = mass ÷ density

             =  116 g  ÷  0.925 g/mL

             =  125.41 mL

Answer:

Salinity is a measure of the 'saltiness' of seawater, or more precisely the amount of dissolved matter within seawater.

If Kp for the reaction at this temperature is 0.0118, then NO₂'s equilibrium pressure is 0.084 atm.

The equilibrium will move to the part of the reaction where there are less moles of gas as pressure builds up. The equilibrium will move toward the reactant side where there are more gas molecules when the pressure is decreased.

NO(g) + SO₃(g) → NO₂(g) SO₂(g)

Initial:                 0.86       0.86        0          0

Change:              -x             -x         +x        +x

Equilibrium:    0.86-x      0.86-x      x           x

Given the data provided, the expression for Kp is as follows:

Kp = [NO₂] [SO₂] / [NO] [SO₃]

Kp = x.x / (0.86-x)²

The answer's value for Kp is 0.0118.

We plug this value into the equation above

0.0118 = x² / (0.86-x)²

When the quadratic equation is solved, the value of x is found to be 0.084 atm.

As a result, NO₂ has an equilibrium pressure of 0.084 atm.

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Answer:

D- Arsenic (As)

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The Arsenic (As) element's symbol could replace the question mark in the diagram. Therefore, option D is correct.

An electron dot diagram is a diagram used to represent the valence electrons of an atom in a simple way. Valence electrons are the electrons in the outermost shell of an atom, which are involved in chemical bonding.

In an electron dot diagram, the symbol of the element is used to represent the nucleus and inner electrons of the atom, and dots are placed around the symbol to represent the valence electrons. Each dot represents one valence electron, and the dots are placed on each of the four sides of the symbol (top, bottom, left, and right) before doubling up.

Thus, the Arsenic (As) element's symbol could replace the question mark in the diagram. Therefore, option D is correct.

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Your question is incomplete, most probably the full question is this:

Which element’s symbol could replace the question mark in the diagram?

boron (B)

neon (Ne)

rubidium (Rb)

arsenic (As)

Gold is an element that belongs to the periodic table.Elements are the simplest form of substances that can exist, and they cannot be divided into simpler substances by chemical methods. Each element is defined by the number of protons present in the atomic nucleus.

Gold is an element that has 79 protons and is represented by the symbol Au.Gold has several properties that distinguish it from other elements. It is a soft, shiny, dense metal with excellent conductivity. Gold is also a noble metal, meaning it is resistant to corrosion and oxidation and does not react with most acids. Its properties have made it useful for many purposes, including jewelry, currency, and electronics.

Heterogeneous mixtures contain two or more substances that are not uniformly distributed and can be separated by physical means. Solutions are homogeneous mixtures composed of a solute dissolved in a solvent. Compounds are substances composed of two or more elements chemically combined in a fixed ratio. Thus, none of these classifications accurately describes gold.

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Answer:

2.8 moles

Explanation:

The number of water needed to react with 8.4 moles of NO₂ is equal to 4.2 moles.

A mole can be defined as a scientific unit that is used to determine a large number of atoms, molecules, and ions. The mass of 1 mole of any chemical element is atomic mass and that of any chemical compound is molar mass.

The number of particles in one mole is equal to 6.023 × 10 ²³ which is known as Avogadro’s constant.

The balanced chemical equation of water and nitrogen dioxide NO₂ is:

\(H_2O + 2NO_2\longrightarrow HNO_3 +HNO_2\)

From the equation, we can say that two moles of nitrogen dioxide (NO₂) react with one mole of water.

8.4 moles of nitrogen dioxide react with water = 8/4/2 = 4.2 mol

Therefore, 4.2 moles of water are needed to react with 8.4 moles of nitrogen dioxide NO₂.

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Charles law states that there is a directly proportional relationship between the volume and the temperature of the gas at certain pressure.

Therefore,

V1/T1 = V2/T2

V1 is unknown

T1 = 159K

V2 = 15.5m3

T2 = 456K

V1/159 = 15.5/456

V1 = (15.5*159)/456 = 5.404m3.

When the volume of a gas is changed from 5.404 m3 to 15.5 m3 the temperature will change from 159 K to 456 K.

Answer:

2.4 Moles of Phosphoric acid are required to neutralize 7.2 moles of potassium hydroxide

Explanation:

Phosphoric acid =  Formula: H3PO4

Potassium hydroxide = Formula: KOH

H3PO4 + 3KOH = K3PO4 + 3H2O

Ratio 1:3

7.2 mol Potassium hydroxide = Formula: KOH

7.2/3 = 2.4 Mol Phosphoric acid =  Formula: H3PO4

The final volume of the gas is 209.35 mL.

To find the final volume, we can use the formula W = P * ΔV, where W is the work done, P is the pressure, and ΔV is the change in volume.

We can rearrange the formula W = P * ΔV to solve for ΔV:

ΔV = W / P.

Substituting the given values,

ΔV = 147 J / (1.04 atm) = 141.35 mL.

To find the final volume, we add the change in volume to the initial volume:

Final volume = Initial volume + ΔV = 68.0 mL + 141.35 mL = 209.35 mL.

So, the final volume of the gas is 209.35 mL.

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The specific exergy of the system is 718 kJ/kg.

Given data:

Mass of Hydrogen (H2) = 3 pounds

Temperature of Hydrogen (H2) = 70 °C

= (70+273.15)

= 343.15 K

Pressure of Hydrogen (H2) = 1.2 MPa

Dead state temperature = 20 °C = (20+273.15) = 293.15 K

Dead state pressure = 101.325 kPa

Properties of hydrogen and water:

Here, we need to calculate the specific exergy of the system by using dead state temperature and pressure.

The specific exergy is defined as the maximum work obtainable when a system is brought to the dead state.

The formula for specific exergy is given as:

Exergy = h - hds

Where,h = specific enthalpy of the system

hds = specific enthalpy of the system at the dead state

We need to first calculate the specific enthalpy of Hydrogen (H2) at 70 °C and 1.2 MPa using the following table:

Hydrogen 70°C, 120k Pa 3162 54.7 4578 11.8

Here, Specific enthalpy of Hydrogen (H2) at 70 °C and 1.2 MPa

(h) = 4578 kJ/kg

Similarly, we need to calculate the specific enthalpy of Hydrogen (H2) at dead state conditions of 20 °C and 101.325 kPa:

Hydrogen 20°C, 101.325 kPa 2650 53.13 3860 11.94

Here,

Specific enthalpy of Hydrogen (H2) at dead state conditions of 20 °C and 101.325 kPa (hds)

= 3860 kJ/kg

Therefore, the specific exergy of the system is:

Exergy = h - hds

Exergy = 4578 - 3860

Exergy = 718 kJ/kg

Therefore, the specific exergy of the system is 718 kJ/kg.

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Answer:

The molecules are held closely together in a regular pattern called a lattice. If the ice is heated, the energy of the molecules increases. ... This is why liquid water is able to flow: the molecules have greater freedom to move than they had in the solid lattice.

Explanation:

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If more \(H_{2}\) and \(N_{2}\) are added to the reaction 3\(H_{2}\) + N2 → 2\(NH_{3}\) after it reaches equilibrium, two events will occur Shift in Equilibrium and Increased Yield of \(NH_{3}\)

1. Shift in Equilibrium: According to Le Chatelier's principle, when additional reactants are added, the equilibrium will shift in the forward direction to consume the added reactants and establish a new equilibrium. In this case, more \(NH_{3}\) will be produced to counteract the increase in \(H_{2}\) and \(N_{2}\).

2. Increased Yield of \(NH_{3}\): The shift in equilibrium towards the forward reaction will result in an increased yield of \(NH_{3}\). As more \(H_{2}\) and \(N_{2}\) are added, the reaction will favor the production of \(NH_{3}\) to maintain equilibrium. This will lead to an increase in the concentration of \(NH_{3}\) compared to the initial equilibrium state.

It is important to note that the equilibrium position will ultimately depend on factors such as the concentrations of \(H_{2}\), \(N_{2}\), and \(NH_{3}\), as well as the temperature and pressure of the system. By adding more reactants, the equilibrium will adjust to achieve a new balance, favoring the formation of more \(NH_{3}\).

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Based on the equation of the reaction, the moles of chlorine gas initially in the vessel is 0.12 moles

The moles of chlorine initially present is determined using the equation of the reaction:

At STP, 1 mole of P4 reacts with 6 moles of chlorine.

Molar mass of P4 = 124.0 g

Molar mass of chlorine = 71.0 g

Mass of P4 in reaction vessel = 250 mg = 0.25g

moles of P4 in 0.25 g = 0.25/124 = 0.02 moles

0.02 moles of P4 will react with 0.02 × 6 moles of chlorine = 0.12 moles of chlorine.

Therefore, the moles of chlorine gas initially in the vessel is 0.12 moles.

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Explanation:

As CO2 concentrations rise, excess CO2 is absorbed by the oceans. CO2 in the oceans can react chemically with water to form acid. ... The difference in pH units between two acidic solutions is three.

Explanation:

\(CO _{2} \: and \: H _{2} O\)

Reactants must be on the left hand side of the reaction

Answer:

First, I will convert from grams to moles. This will give me approximately 4.032 moles of carbon, 6.740 moles of hydrogen, and 3.344 moles of oxygen. Then, I will calculate the mole ratio, using whole numbers. I must also identify the least amount of moles in an element for this step, which is oxygen at 3.344 moles.

Oxygen = 3.344/3.344 = 1

Carbon = 4.032/3.344 = 1

Hydrogen = 6.740/3.344 = 2

The empirical formula will be COH2.

Now that we have the molar mass of the molecular formula, we can calculate for the molecular formula. First, we will begin by discovering the molar mass of the empirical formula, which will be C molar mass x 1 + O molar mass x 1 + H molar mass x 2. That will be equal to 60.949. After that, we can divide the molecular mass by the empirical formula molar mass, giving us approximately 3. Now we will multiply the empirical formula by 3, giving us our molecular formula, which will be equal to C3O3H6.

Answer:

No I don't have a graph of the Boyle's law