Carbon monoxide (CO) burns readily in oxygen (O2), forming
carbon Dioxide (CO2). Which of the follow equations is shows
this reaction and follows the law of conservation of mass?

Answer:

Explanation:

A. Tabular form of the formation of the compound formed between X and Y (carbon and oxygen):

| Element | Electronic Configuration |

|---------|-------------------------|

| X       | 1s² 2s² 2p⁶ 3s²        |

| Y       | 1s² 2s² 2p⁶ 3s² 3p⁵   |

B. Formation of the compound:

The compound formed between X and Y is carbon dioxide (CO2). Carbon (X) has an electronic configuration of 1s² 2s² 2p⁶ 3s², and oxygen (Y) has an electronic configuration of 1s² 2s² 2p⁶ 3s² 3p⁵.

Carbon has 4 valence electrons in its outermost energy level, while oxygen has 6 valence electrons in its outermost energy level. In order to achieve stability, carbon needs to gain 4 electrons, while oxygen needs to gain 2 electrons.

To form the compound CO2, carbon will share electrons with two oxygen atoms. Carbon will share 2 electrons with each oxygen atom, resulting in a double bond between carbon and each oxygen atom.

The formation of the compound can be represented as follows:

O = C = O

2. Drawing the formation of the compound:

In text format, the formation of the compound CO2 can be represented as:

     O

    //

   C

    \\

     O

Here, the central carbon atom (C) is bonded to two oxygen atoms (O) through double bonds. The structure of carbon dioxide is linear, with the carbon atom in the center and the oxygen atoms on either side.

There are approximately 1.238 × 10^24 atoms in 2.05 moles of hydrogen in its monoatomic state.

To determine the number of atoms in 2.05 moles of hydrogen in its monoatomic state, we need to use Avogadro's number, which states that there are approximately 6.022 × 10^23 atoms in one mole of any substance.

Given that we have 2.05 moles of hydrogen, we can calculate the number of atoms using the following steps:

Determine the number of moles of hydrogen:

Number of moles = 2.05 moles

Use Avogadro's number to calculate the number of atoms:

Number of atoms = Number of moles × Avogadro's number

Number of atoms = 2.05 moles × (6.022 × 10^23 atoms/mole)

Performing the calculation:

Number of atoms = 2.05 × 6.022 × 10^23 atoms

Number of atoms = 1.238 × 10^24 atoms

Therefore, there are approximately 1.238 × 10^24 atoms in 2.05 moles of hydrogen in its monoatomic state.

It's important to note that hydrogen in its monoatomic state consists of individual hydrogen atoms. In other words, there are no molecules or compounds involved, and each mole of hydrogen corresponds to Avogadro's number of hydrogen atoms.

For more such questions on monoatomic state.visit:

https://brainly.com/question/14657757

#SPJ8

Answer:

You should get the catalyst back already.

Explanation:

A catalyst shouldn't be used up during a chemical reaction. It is used to speed up a reaction, but it shouldn't disappear/be used up by a chemical reaction.

According to the stoichiometry of the given chemical equation, the mass of solid product formed that is CuO  is 28.97 g.

It is the determination of proportions of elements or compounds in a chemical reaction. The related relations are based on law of conservation of mass and law of combining weights and volumes.

Stoichiometry is used in quantitative analysis for measuring concentrations of substances present in the sample.

123.55 g copper carbonate gives 79.54 g copper oxide thus, 45 g copper carbonate will give 45×79.54/123.55=28.97 g.

Thus,  the mass of solid product formed that is CuO  is 28.97 g.

Learn more about stoichiometry,here:

https://brainly.com/question/30215297

#SPJ9

Hands should be washed with soap and water.

When you finish working with chemicals, biological specimens, and other lab substances, always wash your hands with soap.

To learn more about lab practices visit:

https://brainly.com/question/17465599

#SPJ4

25.0 mL of HCl is required to react with the excess NaOH.

The number of mL of HCl required to react with the excess NaOH can be determined using the equation

M1V1 = M2V2,

where M1 is the molarity of NaOH, V1 is the volume of NaOH, M2 is the molarity of HCl, and V2 is the volume of HCl. First, we need to find the moles of NaOH using the given molarity and volume:

Moles of NaOH = M1V1 = (0.100 M)(50.0 mL) = 5.00 x 10^-3 moles NaOH

Next, we use the balanced chemical equation for the reaction between NaOH and HCl to determine the moles of HCl required to react with the excess NaOH:

NaOH + HCl → NaCl + H2O

According to the balanced equation, 1 mole of NaOH reacts with 1 mole of HCl. Therefore, the moles of HCl required to react with the excess NaOH is also 5.00 x 10^-3 moles HCl.

Finally, we use the equation M1V1 = M2V2 to find the volume of HCl required:

Moles of HCl = M2V2

5.00 x 10^-3 moles HCl = (M2)(V2)

V2 = (5.00 x 10^-3 moles HCl) / M2

If the molarity of HCl found in question 1 is 0.200 M, then:

V2 = (5.00 x 10^-3 moles HCl) / (0.200 M)

V2 = 25.0 mL HCl

To learn more about Molarity :

https://brainly.com/question/30404105

#SPJ11

Answer:

Since we're trying to find heat energy (Q) needed, we're going to use the formula for Q.

Q = (mass) x (specific heat capacity) x (change in temperature)

The mass of water is 5g here

The specific heat capacity of water is 4.18J/g (memorize the value since not many questions actually tell you the specific heat capacity)

The temperature change of water is 75 - 50 = so 25 degrees celsius

Now just plug them into the equation:

Q = (5g) x (4.18) x (25)

Q = 522.5 J (if you need this in kJ you have to divide the value by a 1000 or just move the decimal place to the left 3 times)

Therefore you need 522.5J or 0.5225 kJ of heat energy to raise the temperature of 5g of water from 50c to 75c

Assuming 8 ml of cyclohexanol is used in this reaction,  to two decimal places and do not include the unit is 6.27.

What is cyclohexanol ?

With the chemical formula HOCH(CH2)5, cyclohexanol is an organic molecule. By swapping out one hydrogen atom for a hydroxyl group, the molecule resembles cyclohexane. This substance is a deliquescent white solid with a camphor-like smell that, in extremely pure form, melts at or just below room temperature.

What is reaction?

One or more chemicals, sometimes referred to as reactants, are transformed into one or more distinct compounds, known as products, during a chemical reaction. Chemical elements and compounds are both substances.

cyclohexanol = amount = 8.0ml

density = 0.96g/ml ( mass= d*v)

mass of cyclohexanol used = 7.68g

molar mass of cyclohexanol = 100.16 g/ ml

moles of cyclohexanol  = mass/ molar mass

= 7.68g/ 100.16g/ mol

moles = 0.07667mol or 76.67 m mol

molar mass of cyclohexane = 82.14g mol⁻¹

mole of cyclohexane should form = 76.67 m mol* 82.14g mol⁻¹

= 6.27g

Therefore, assuming 8 ml of cyclohexanol is used in this reaction,  to two decimal places and do not include the unit is 6.27.

Learn more about cyclohexanol from the given link.

https://brainly.com/question/29404034

#SPJ4

Answer: exothermic reaction

Explanation: To create more heat, shift to the product side with the exothermic reaction. An exothermic reaction produces heat. The equation is:

N2(g) + 3H2(g) <-> 2NH3(g) + heat. It's exothermic because heat is a product.

Answer:

0.1 moles of N2 will react with 0.3034 moles of Mg.

Explanation:

\(\sf{balanced \ eqaution = 3Mg + N2 \rightarrow Mg3N2}\)

using molar ratio:

3Mg : N2

3 : 1

moles of N2:

\(\hookrightarrow \sf\frac{0.3034 }{3} *1\)

\(\hookrightarrow \sf 0.10113 \ moles \ of \ N2\)

Answer:

hydrogen bonds are also known as electrostatic dipole interaction

Hydroelectric, wind, solar, and nuclear power stations are not believed to directly impact the global climate because they all use renewable energy resources and do not negatively impact ecosystems.

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system.

Learn more about ecosystem,here:

https://brainly.com/question/13979184

#SPJ1

Answer:

I want to say its Lonic Bonding.

Explanation:

Ionic bonding is the complete transfer of valence electron(s) between atoms.

The principle of option D. Uniformitarianism states that the physical, chemical, and biological processes at work shaping the Earth today have also operated in the

Option D. Uniformitarianism is the principle stating that the physical, chemical, and biological processes at work shaping the Earth today have also operated in the geologic past. It is based on the idea that the present is the key to the past. In other words, the same natural laws that operate in the universe today have been operating since the beginning of time.

James Hutton was the first to propose this principle in the late 18th century. He suggested that the Earth was shaped by slow-acting geological forces such as erosion, sedimentation, and uplift over long periods of time. He believed that the same processes were still happening today and that they had operated in the past.

This principle is an important concept in geology because it allows scientists to interpret the Earth's history based on the processes that they observe today. By understanding how these processes work and how they have changed over time, scientists can reconstruct the history of the Earth and its environments.

Uniformitarianism has been tested and proven through many observations and experiments. For example, the study of sedimentary rocks has shown that they were formed in the past through the same processes that are observed today, such as deposition of sediment by water, wind, or ice.

Similarly, the study of volcanoes has shown that they are formed by the same processes as today, such as the movement of magma from deep within the Earth.

In conclusion, Uniformitarianism is the principle that allows us to interpret the Earth's history by observing the processes that shape it today. It is a fundamental concept in geology and has been tested and proven through many observations and experiments.

To know more about Uniformitarianism here

https://brainly.com/question/1324266

#SPJ11

Answer:

Subduction zone megathrust faults host Earth’s largest earthquakes, along with multitudes of smaller events that contribute to plate convergence. An understanding of the faulting behavior of megathrusts is central to seismic and tsunami hazard assessment around subduction zone margins. Cumulative sliding displacement across each megathrust, which extends from the trench to the downdip transition to interplate ductile deformation, is accommodated by a combination of rapid stick-slip earthquakes, episodic slow-slip events, and quasi-static creep. Megathrust faults have heterogeneous frictional properties that contribute to earthquake diversity, which is considered here in terms of regional variations in maximum recorded magnitudes, Gutenberg-Richter b values, earthquake productivity, and cumulative seismic moment depth distributions for the major subduction zones. Great earthquakes on megathrusts occur in irregular cycles of interseismic strain accumulation, foreshock activity, main-shock rupture, postseismic slip, viscoelastic relaxation, and fault healing, with all stages now being captured by geophysical monitoring. Observations of depth-dependent radiation characteristics, large earthquake slip distributions, variations in rupture velocities, radiated energy and stress drop, and relationships to aftershock distributions and afterslip are discussed. Seismic sequences for very large events have some degree of regularity within subduction zone segments, but this can be complicated by supercycles of intermittent huge ruptures that traverse segment boundaries. Factors influencing variability of large megathrust ruptures, such as large-scale plate structure and kinematics, presence of sediments and fluids, lower-plate bathymetric roughness, and upper-plate structure, are discussed. The diversity of megathrust failure processes presents a suite of natural hazards, including earthquake shaking, submarine slumping, and tsunami generation. Improved monitoring of the offshore environment is needed to better quantify and mitigate the threats posed by megathrust earthquakes globally.

Explanation:

The following statements on HPLC modes are true is more polar compounds elute first in normal-phase HPLC (Option E).

The liquid chromatography (HPLC) is a technique in analytical chemistry employed for the separation, identification, and quantification of elements. It is considered a highly sensitive method, and it works by separating the components in a mixture with the assistance of a solvent under high pressure.

There are two modes of HPLC: Reversed-Phase HPLC (RP-HPLC) and Normal-Phase HPLC (NP-HPLC). In RP-HPLC, a nonpolar stationary phase, such as C18, is used, and polar solvents, such as water, are used as mobile phases. Polar stationary phases, such as silica gel, are used in NP-HPLC, while nonpolar solvents, such as hexane, are used as mobile phases.

More polar compounds have a greater affinity for the polar stationary phase than less polar compounds, which have a higher affinity for the nonpolar mobile phase in NP-HPLC. As a result, less polar compounds elute first in normal-phase HPLC.

Thus, the correct option is E.

Learn more about HPLC: https://brainly.com/question/13490391

#SPJ11

Rounding to the nearest whole number, the percentage increase in the partial pressure of water vapor in the atmosphere for a 2-degree increase in temperature is approximately 7%

The percentage increase in the partial pressure of water vapor in the atmosphere for a 2-degree increase in temperature can be estimated using the Clausius-Clapeyron equation, which describes the relationship between temperature and the saturation vapor pressure of water.

The equation states that for every 1-degree Celsius increase in temperature, the saturation vapor pressure of water increases by approximately 7%. Since we have a 2-degree increase in temperature, we can expect the partial pressure of water vapor to increase by approximately 14%.

Therefore, rounding to the nearest whole number, the percentage increase in the partial pressure of water vapor in the atmosphere for a 2-degree increase in temperature is approximately 7%.

It's worth noting that the relationship between temperature and water vapor content is complex and influenced by other factors such as humidity, air pressure, and the presence of other gases in the atmosphere. However, the Clausius-Clapeyron equation provides a reasonable estimation of the relative increase in water vapor with temperature changes within a certain range.

learn more about temperature here:

https://brainly.com/question/17088012

#SPJ11

a)(i) Derive the mathematical expression for calculating the equilibrium constant (K) for a redox reaction at 25°CRedox reactions occur when electrons are transferred from one atom to another in the reactants.

The Nernst equation is used to calculate the potential of a redox reaction under non-standard conditions. The Nernst equation is:Ecell = E°cell - (RT/nF)ln Q where E°cell is the standard cell potential, R is the gas constant, T is the temperature in kelvins, n is the number of electrons transferred in the redox reaction, F is Faraday's constant, and Q is the reaction quotient.

To calculate the average current per spoon that must flow during the electroplating process, we use Faraday's laws of electrolysis :F = q/n F where F is the Faraday constant, q is the charge, n is the number of electrons transferred, and F is the Faraday constant. We know that the mass of silver deposited is 2.00 g and the molar mass of silver is 107.868 g/mol .

To know more about mathematical expression  visit:

brainly.com/question/30350742

#SPJ11

The amount of heat that is required to melt 5.50 mol of gallium at 1 atm pressure is 33 kJ/mol.

Given that,

Gallium sublimation heat = 277 kj/mol

Gallium vaporization heat = 271 kj/mol

Sublimation, as we know, transforms a sold substance into a gas. Changing from a liquid to a gas is called vaporization.                                        

Hence, using the provided Data, we can derive two equations;

Ga (s)  --> Ga (g) delta, Heat = 277 kJ/mol

Ga (l)  --> Ga (g) delta Heat = 271 kJ/mol

Ga (s) --> Ga (l) delta H = 6 kJ/mol is the result of differentiating these two equations to determine the amount of heat needed to melt one mol.

Therefore, it takes 6 kJ/mol of heat to melt one mol of gallium.

Therefore, 5.5 x 6 = 33 kJ/mol of heat is needed to melt 5.5 mol of gallium.

Learn more about Sublimation here:

brainly.com/question/29304516

#SPJ4

Answer:

For scientists working in classified areas, collaboration with university programs and researchers provides opportunities to expand their career opportunities and strengthen their science through the conduct of peer-reviewed, open literature research.

Explanation:

that's just how it works!

Answer:

Adding on to the previous answer, having collaboration allows you to broaden your scopes, and science is all about just collaborating and communicating with each other. We discuss with other fellow scientists about research to get different perspectives or to get advice. It's practically useful since you are all interdependently relying on each other while sharing what you know.

Answer:

+4

Explanation:

In PbO2, oxygen exhibits an oxidation number of -2 (since it's not a peroxide or superoxide):

Let the oxidation number of Pb be x. Then, for the compound to be neutral, the oxidation numbers of all atoms should add up to zero.

⇒ x + (−2) + (−2) = 0

x = +4

So the oxidation no. of Pb is +4.

I hope this helps.

Answer:

1. Potassium, K.

2. Calcium, Ca.

3. Gallium, Ga.

4. Carbon, C.

5. Bromine, Br.

6. Barium, Ba.

7. Silicon, Si.

8. Gold, Au.

Explanation:

Atomic radius can be defined as a measure of the size (distance) of the atom of a chemical element such as hydrogen, oxygen, carbon, nitrogen etc, typically from the nucleus to the valence electrons. The atomic radius of a chemical element decreases across the periodic table, typically from alkali metals (group one elements such as hydrogen, lithium and sodium) to noble gases (group eight elements such as argon, helium and neon). Also, the atomic radius of a chemical element increases down each group of the periodic table, typically from top to bottom (column).

Additionally, the unit of measurement of the atomic radius of chemical elements is picometers (1 pm = 10 - 12 m).

1. Li or K: the atomic radius of lithium is 167 pm while that of potassium is 243 pm.

2. Ca or Ni: the atomic radius of calcium is 194 pm while that of nickel is 149 pm.

3. Ga or B: the atomic radius of gallium is 136 pm while that of boron is 87 pm.

4. O or C: the atomic radius of oxygen is 48 pm while that of carbon is 67 pm.

5. Cl or Br: the atomic radius of chlorine is 79 pm while that of bromine is 94 pm.

6. Be or Ba: the atomic radius of berryllium is 112 pm while that of barium is 253 pm.

7. Si or S: the atomic radius of silicon is 111 pm while that of sulphur is 88 pm.

8. Fe or Au: the atomic radius of iron is 156 pm while that of gold is 174 pm.

The atoms in each pair which has the larger atomic radius is;

Definition:

Atomic radius is simply the distance from the centre of the nucleus to the outermost shell containing electrons.

In other words, the atomic radius is the distance from the center of the nucleus to the point up to which the electron cloud density is maximum.

Trend:

The atomic radius of atoms generally decreases from left to right across a period. The atomic radius of atoms generally increases from top to bottom within a group.

It is on this basis that atoms with the larger atomic radius are determined

Read more:

https://brainly.com/question/2848851

The correct qualities that define the tempera medium are:

Uses egg yolk or milk products as a binder

Slow drying and easy to correct mistakes

Retains brilliance and clarity of colors for centuries

The qualities that define the tempera medium are:

Uses egg yolk or milk products as a binder: Tempera traditionally uses egg yolk or milk products (such as casein) as binders to hold the pigments together.

Slow drying and easy to correct mistakes: Tempera has a slow drying time, allowing for easier correction of mistakes or adjustments to the artwork before it sets.

Retains brilliance and clarity of colors for centuries: Tempera has excellent color retention over time, often maintaining its brilliance and clarity for centuries when properly cared for.

Therefore, the correct qualities that define the tempera medium are:

Uses egg yolk or milk products as a binder

Slow drying and easy to correct mistakes

Retains brilliance and clarity of colors for centuries

To know more about Tempera :

https://brainly.com/question/32888798

#SPJ4

Answer:

Cl2 + 2Nabr = 2NaCl+Br2

Explanation:

Add coefficients to make sure you have the same number of atoms on each side.

The final isotope produced in the thorium decay series after losing 6 alpha particles and 4 beta particles in a 10-stage process is lead-208. This is because thorium-232 undergoes a series of alpha and beta decay, ultimately resulting in the stable isotope lead-208.

To find the final isotope produced, we need to track the changes in atomic mass and atomic number due to the loss of alpha and beta particles.

1. Alpha particles consist of 2 protons and 2 neutrons, so their loss will result in a decrease of 4 atomic mass units (AMU) and 2 atomic number units.
2. Beta particles are electrons emitted during the decay process, which leads to an increase of 1 atomic number unit without changing the atomic mass.

Now, let's apply these changes to thorium-232:

Initial isotope: Thorium-232 (atomic number 90, atomic mass 232)

Loss of 6 alpha particles:
- Decrease in atomic number: 90 - (6 * 2) = 78
- Decrease in atomic mass: 232 - (6 * 4) = 208

Loss of 4 beta particles:
- Increase in atomic number: 78 + (4 * 1) = 82

Final isotope: Atomic number 82 and atomic mass 208

The element with atomic number 82 is lead (Pb), so the final isotope produced is lead-208 (Pb-208).

Learn more about isotopes:

brainly.com/question/11680817

#SPJ11

Conduction, radiation, and convection are the three different ways that thermal energy is transferred. Only fluids experience the cyclical process of convection.

Internal energy is transferred during thermal energy transfer. Conduction, convection, and radiation are the three different ways that thermal energy may be transferred. Atoms come into touch directly during conduction, heated particles move during convection, and electromagnetic waves travel during radiation.

When the temperature rises, atoms and molecules move faster and collide, creating thermal energy (also known as heat energy). Thermal energy is the energy that results from the heated substance's temperature.

Learn more about Internal energy

https://brainly.com/question/25737117

#SPJ1