what is the molecular geometry around an atom that is sp3d hybridized and has one lone pair of electrons?

Answer: Reacting 12 g of C with 32 g of O2 to form 44 g of CO2

Explanation: I took the test just now, and the law of conservation of mass means to energy and that is exactly what they do in this answer!  

Answer:

A

Explanation:

When a predetermined level of ionization is reached in an ionization chamber, the machine typically triggers a response or action based on the intended purpose of the device or system.

The specific action taken can vary depending on the application and design of the machine. Here are a few examples;

Radiation Monitoring; In radiation monitoring devices or systems, an ionization chamber is often used to detect and measure radiation levels. When the ionization chamber detects a predetermined level of ionization, it may activate an alarm or warning signal to alert operators or individuals of potentially hazardous radiation exposure.

Particle Detection; Ionization chambers are also used in particle detectors to measure the passage of charged particles. When a predetermined level of ionization is reached, the machine may initiate data recording or trigger further analysis of the detected particles.

Feedback Control; In certain industrial or scientific processes, ionization chambers are integrated into feedback control systems. When the ionization level reaches a set threshold, the machine may automatically adjust process parameters, such as flow rates, voltage, or radiation shielding, to maintain a desired condition or response.

To know more about ionization chamber here

https://brainly.com/question/33352711

#SPJ4

The molar concentration of a 12% sodium chloride solution is approximately 2.05 M.

To determine the molar concentration of a 12% sodium chloride solution, we need to convert the given percentage concentration into molarity.

First, we need to understand that the percentage concentration refers to the mass of the solute (sodium chloride) relative to the total mass of the solution.

In this case, a 12% sodium chloride solution means that there are 12 grams of sodium chloride in 100 grams of the solution.

To convert this into molar concentration, we need to consider the molar mass of sodium chloride, which is 58.5 g/mol.

We can start by calculating the number of moles of sodium chloride in 12 grams:

Moles of sodium chloride = mass of sodium chloride / molar mass of sodium chloride

Moles of sodium chloride = 12 g / 58.5 g/mol = 0.205 moles

Next, we calculate the volume of the solution in liters using the density of the solution. Since the density is not provided, we assume a density of 1 g/mL for simplicity:

Volume of solution = mass of solution / density

Volume of solution = 100 g / 1 g/mL = 100 mL = 0.1 L

Finally, we calculate the molar concentration (Molarity) by dividing the number of moles by the volume in liters:

Molar concentration = moles of solute / volume of solution

Molar concentration = 0.205 moles / 0.1 L = 2.05 M

Therefore, the molar concentration of a 12% sodium chloride solution is approximately 2.05 M.


To learn more about molarity click here: brainly.com/question/31545539

#SPJ11

The volume of a substance is generally measured in Milliliters, Liters, cm³, m³ and sometimes in galloons. The volume of 29.7ml of water graduated cylinder is 29.7.

The volume of a substance is the measure of the capacity that an object holds. For example, if a beaker can hold 100 mL of water then the volume of the beaker is said to be 100 mL. The SI unit of volume is m³ .

The volume can be calculated from the density and mass as:

Density = Mass / Volume

Volume = Mass / Density

Thus the capacity of 29.7ml of water graduated cylinder is 29.7.

To know more about volume, visit;

https://brainly.com/question/3426490

#SPJ1

First, we calculate the moles of each element taking the percentages as a mass:

We divided the number of moles by the smaller number of moles. In this case, C is the smallest:

These numbers give us the empirical formula wich is: CH2

Platinum has a face-centered cubic crystal structure and a density of 21.5 g/cm^3. The radius of the platinum atom is 139pm.

The radius of the platinum atom can be found by the relation of density and radius of atom.

Platinum has a face-centered cubic (fcc) crystal structure which means that 4 atoms are present in each structure.

Hence no. of atoms, Z=4

The radius of atom can be found out by substitution in the below formula:

Relation of density and radius of atom:

Density, d = Z × M / Nₐ × a³    

∴ where, Z is the no. of atoms = 4                

M is the Molecular mass of platinum = 195 g/mol    

 N is the Avogadro's number = 6 × 10²³ / mol                

 a is the radius of the atom = ?                

d is the density = 21.5 g/cm³

⇒ a³ = Z × M / Nₐ × d

⇒ a³ = 4 × 195 / 6 × 10²³ ×  21.5

⇒ a = 139 × 10⁻¹²m

a = 139pm

Hence, the radius of the platinum atom is 139pm.

Learn more about FCC here, https://brainly.com/question/21327238

#SPJ4

The answer is 139pm

The relationship between density and radius of an atom may be used to calculate the radius of a platinum atom.

Platinum has a face-centred cubic (fcc) crystal structure, which implies that each structure has four atoms.

As a result, the number of atoms is Z=4.

Substitution in the following formula yields the radius of an atom:

Atomic density and radius relationship:

Density,\($d=Z \times M / N_{a} \times a^{3}$\)

\($\therefore$\) where, Z is the no. of atoms =4

\($\mathrm{M}$\) is the Molecular mass of platinum \($=195 \mathrm{~g} / \mathrm{mol}$\)

\($\mathrm{N}$\)is the Avogadro's number \($=6 \times 10^{23} / \mathrm{mol}$\)

a is the radius of the atom = ?

\($\mathrm{d}$\) is the density \($=21.5 \mathrm{~g} / \mathrm{cm}^{3}$\)

\($$\begin{aligned}&\Rightarrow a^{3}=Z \times M / N_{a} \times d \\&\Rightarrow a^{3}=4 \times 195 / 6 \times 10^{23} \times 21.5 \\&\Rightarrow a=139 \times 10^{-12} m \\&a=139 p m\end{aligned}$$\)

What is platinum atom?

To learn more about platinum atom visit:

https://brainly.com/question/2860249?

#SPJ4

Carbon dioxide molecules can absorb and emit infrared radiation, and they are one of the most abundant constituents of Earth's atmosphere.

Thus, the correct options are:d) Are one of the most abundant constituents of Earth's atmospheree) Can move in many ways, thus absorbing and emitting infrared radiation

Carbon dioxide is a trace gas present in the Earth's atmosphere. It's a vital component of Earth's carbon cycle, which helps to regulate Earth's temperature and support life as we know it. Carbon dioxide molecules are one of the most common gases in the atmosphere, accounting for around 0.04% of the Earth's atmosphere.

The greenhouse effect is caused by carbon dioxide, methane, and other greenhouse gases. When the Sun's energy reaches the Earth's surface, it is absorbed and then radiated back into space as infrared radiation. Greenhouse gases absorb this radiation and trap it in the atmosphere, which causes the Earth's temperature to rise and the climate to change.

Carbon dioxide molecules are capable of absorbing and emitting infrared radiation due to their molecular structure, which consists of one carbon atom and two oxygen atoms. This property of carbon dioxide is the main reason it's classified as a greenhouse gas.

To know more about Carbon dioxide molecules visit:

https://brainly.com/question/12770212

#SPJ11

Answer:

door

Explanation:

door I guess..................

An addition reaction results in the formation of a new compound when two of the same molecules add to each other.

Addition reactions are chemical reactions where atoms are added to a double or triple bond. The double bond is usually broken in this reaction.

Alkenes and alkynes are examples of compounds that may undergo addition reactions.

Addition reaction is an organic reaction that is characterized by two or more molecules joining together to produce a larger molecule. One of the reactants in the reaction is unsaturated, while the other reactant is saturated.

It is possible to define an electrophilic addition reaction as an addition reaction in which a reactant with many bonds, such as a double or triple bond, has its bond broken and two new bonds are produced.

This kind of addition reaction is known as an electrophilic addition reaction.

The unsaturated reactant contains a double or triple bond, while the saturated reactant contains only single bonds.

The reaction of an unsaturated organic compound with an electrophilic reagent that yields a saturated compound is referred to as an addition reaction.

To know more about the addition reaction https://brainly.com/question/13200481

#SPJ11

Voltage-gated Na+ channels are vital for the functioning of the apprehensive device. They permit Na+ ions to go into the cellular upon membrane depolarization, starting up the movement potential.

In the context of neurophysiology and the technology of nerve impulses, voltage-gated Na+ channels play a vital role. These membrane channels open in response to membrane depolarization, allowing Na+ ions to diffuse into the mobile.

This inflow of definitely charged ions triggers an action ability, which is characterized by the aid of a speedy trade in electric ability along the neuron or muscle cellular membrane. During an action capacity, a couple of events arise, which include depolarization, repolarization, and hyperpolarization. An action ability is crucial for transmitting alerts and data inside the frightened system.

The importance of voltage-gated Na+ channels in producing motion potentials is highlighted via their involvement in the initiation and propagation of nerve impulses. These channels are accountable for the speedy inflow of Na+ ions, mainly for the depolarization of the cellular membrane.

This depolarization then triggers the hole of adjacent voltage-gated Na+ channels, resulting in the propagation of the motion ability alongside the neuron.

In the end, voltage-gated Na+ channels are vital for the functioning of the apprehensive device. They permit Na+ ions to go into the cellular upon membrane depolarization, starting up the movement potential. Understanding the mechanisms of voltage-gated channels and their role in movement capability technology affords insights into the essential methods underlying nerve impulses and neurological features.

To know more about depolarization,

https://brainly.com/question/26502153

#SPJ4

voltage-gated Na+ channels are membrane channels that open when the membrane depolarizes. They allow Na+ ions to diffuse into the cell, leading to the generation of an action potential. These channels are crucial for the proper functioning of the nervous system, as they enable the rapid transmission of electrical signals between neurons.

In the context of neurophysiology, voltage-gated Na+ channels are membrane channels that play a crucial role in the generation and propagation of action potentials in neurons. These channels are responsible for the rapid depolarization phase of the action potential. When the membrane depolarizes, voltage-gated Na+ channels open, allowing Na+ ions to diffuse into the cell. This influx of positive ions leads to a rapid change in membrane potential, resulting in the generation of an action potential.

The opening and closing of these channels are voltage-dependent, meaning they respond to changes in membrane potential. When the membrane potential reaches a certain threshold, voltage-gated Na+ channels rapidly open, allowing a large influx of Na+ ions into the cell. This influx of positive charge depolarizes the membrane, creating a positive feedback loop that propagates the action potential along the neuron.

Without voltage-gated Na+ channels, the generation and transmission of action potentials would not be possible. These channels are essential for the proper functioning of the nervous system, as they allow for the rapid and efficient transmission of electrical signals between neurons.

About voltage-gated Na+ channels here:

https://brainly.com/question/32179369

#SPJ11

The relative molecular mass of sodium trioxonitrate, NaNO₃ is 85 g/mol.

The molecular mass of a substance is the sum of all atomic masses of all atoms in a molecule. It is measured in Dalton.

The compound is NaNO₃ and the atomic mass of all atoms are given below:

Atomic Mass of sodium (Na) = 23 g

Atomic Mass of nitrogen (N) = 14 g

Atomic Mass of oxygen (O) = 16 g

Now add the atomic masses of atoms of the molecules:

Molecular mass of = 23 +14 +16(3) = 85 g/mol.

Thus, the relative molecular mass of sodium trioxonitrate is 85 g/mol.

To learn more about molecular mass, refer to the link:

https://brainly.com/question/18446366

#SPJ1

Answer:

Yeah. Mhm. So on this question, it asked about finding the highest density for a few gasses all at the same temperature. And since gasses will all have the same volume, if they have the same number of moles, your density would be The mass of each over the volume of 25°C. Now the volume of 0°C is 22.4. In order to find the volume at 25°C, you could do PV Equals NRT and plug in one mole, 25°C Plus 2 73. Right to get to Calvin's. Um The pressure value which I don't believe was given in the question of one atmosphere of pressure. Okay, so one atmosphere of pressure, the R value and atmospheres and then you would find the volume. Each of them. You would take their molar mass over that volume. Or if all you want to do is rank them. The highest molar mass would be the most dense. So if you needed the actual density, okay, you would do the molar mass Over the volume. For one mole, each gas would have the same volume. But if all you have to do is rank them. The one with the highest molar mass is the most ends and the one with the lowest molar mass would be the least ends.

Explanation:

PLEASE MARK AS BRAINLIEST

Answer:

P₂ =  50 mmHg

Explanation:

Given data:

Initial volume of gas = 80 mL

Initial pressure of gas = 100 mmHg

Final volume = 160 mL

Final pressure = ?

Temperature = constant

Solution:

The given problem will be solved through the Boyle's law,

"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

Mathematical expression:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = initial volume

P₂ = final pressure

V₂ = final volume  

Now we will put the values in formula,

P₁V₁ = P₂V₂

100 mmHg × 80 mL = P₂ × 160 mL

P₂ = 8000 mmHg. mL/ 160 mL

P₂ =  50 mmHg

Final temperature = (12.6 x 180 + 25.7 x 125) / (12.6 + 25.7)

Final temperature = (2268 + 3212.5) / 38.3

Final temperature = 5481 / 38.3

Final temperature = 142.6 degrees c

What is temperature?

Temperature is the measure of how warm or cold something is. It is measured in degrees on a scale such as Celsius or Fahrenheit. Temperature affects many aspects of our environment such as the growth of plants and animals, the melting and freezing of water, the formation of clouds and rain, and the circulation of ocean currents. Temperature also has a direct effect on our bodies, from our body temperature to our metabolism and sweating. Changes in temperature can trigger a variety of reactions in our bodies, including shivering, sweating, and changes in blood pressure.

Therefore, Final temperature = 142.6 degrees c

To learn more about temperature

Here: https://brainly.com/question/25677592

#SPJ1

1/4  temperature must give Mass of nitrogen at 0°c heated so that both it volume and pressure will be double.​

To double both the volume and pressure of a given mass of nitrogen at 0°C, we can utilize the combined gas law, which relates the initial and final states of a gas. The combined gas law is expressed as:

(P1 * V1) / T1 = (P2 * V2) / T2

Where P1 and P2 are the initial and final pressures, V1 and V2 are the initial and final volumes, and T1 and T2 are the initial and final temperatures.

Since we want to double both the volume and pressure, we can set P2 = 2P1 and V2 = 2V1. Plugging these values into the combined gas law equation, we get:

(2P1 * 2V1) / T1 = P1 * V1 / T2

Simplifying the equation, we find:

4P1V1 = P1V1 / T2

Cancelling out the common terms, we have:

4 = 1 / T2

Rearranging the equation, we find:

T2 = 1 / 4

Therefore, to double both the volume and pressure of the given mass of nitrogen at 0°C, it must be heated to a temperature of 1/4 or 0.25 times its initial temperature.

Know more about combined gas law here:

https://brainly.com/question/13154969

#SPJ8

Answer:

9 g/cm³

Explanation:

Since density is calculated by mass divided by volume, the density of the salt water is (36000/4000) g/cm³ = 9 g/cm³.

Hope this helped!

Answer:

Hailey should add, they are inexpensive to produce.

Explanation:

Reason being why they are inexpensive to produce, is due to them being chemical based and easy to product in the factory setting. Which makes them extremely cheap to make.

Reason being why the others are wrong, synthetic polymers are not biodegradable as they are made in a factory with oils. Synthetic polymers are not flexible due to them being used for harder products. Synthetic polymers are not recycled cheaply as they are made with chemicals which makes it very hard to recycle.

answer:D

Explanation: i took it

The identity of the unknown metal would be potassium.

At STP, 1 mole of gas = 22.4 liters of 22400 mL

Thus, 251 mL would be:  251/22400 = 0.0112 mol of gas.

X and hydrochloric acid react to produce hydrogen according to the following chemical equation:

\(X + 2HCl --- > XCl_2 + H_2\)

The mole ratio of X and hydrogen gas is 1:1. Thus, the equivalent mole of X that reacted would be 0.0112 mol.

Recall that: mole = mass/molar mass

Molar mass = mass/mole = 0.45/0.0112 = 40.18 g/mol

In other words, the molar weight of the metal is approximately 40. The metal with a molar weight that is close to 40 is potassium. Thus, X is potassium.

More on stoichiometric problems can be found here: https://brainly.com/question/14465605

#SPJ1

Answer:

2 miles per hour.

Explanation:

10/5=2

To solve this we must be knowing each and every concept related to speed  and its calculations. Therefore, the correct option is option C.

Speed may be defined as the distance traveled by an item in the amount of time it requires to travel that distance. In other words, it measures how rapidly an item travels but does not provide direction.

The Scientific unit system is most typically used to express speed. Speed is determined in metres per second, or m/s, since distance is recorded in metres while time is recorded in seconds.

Mathematically,  

speed= distance/ time

distance= 10 miles

time= 5 hours

substituting all the given values in the above equation, we get

speed=10/5

on calculations, we get

speed = 2 mph

Therefore, the correct option is option C.

To learn more about speed, here:

https://brainly.com/question/13263542

#SPJ2

Answer:

V2 = 0.941 L

Explanation:

This follows the Charles' law, a gas law.

Using this eq \(\frac{V1}{T1} =\frac{V2}{T2}\)

From the given, the missing variable is V2

\(\frac{752 ml}{298 K} =\frac{V2}{373 K}\), change ml to SI unit of Volume (L)

752 ml = 0.752 L

\(\frac{752 L}{298 K} =\frac{V2}{373 K}\), then cross multiply

\(280.496 L (K) =298K (V2)\)

\(\frac{280.496 L (K) }{298K} = (V2)\)

\(V2 = 0.941 L\)

Answer: Carbon Dioxide, Methane, Nitrous Oxide and Fuorinated Gases

Explanation:Carbon dioxide (CO2): Carbon dioxide enters the atmosphere through burning fossil fuels (coal, natural gas, and oil), solid waste, trees and other biological materials, and also as a result of certain chemical reactions (e.g., manufacture of cement). Carbon dioxide is removed from the atmosphere (or "sequestered") when it is absorbed by plants as part of the biological carbon cycle.

Methane (CH4): Methane is emitted during the production and transport of coal, natural gas, and oil. Methane emissions also result from livestock and other agricultural practices and by the decay of organic waste in municipal solid waste landfills.

Nitrous oxide (N2O): Nitrous oxide is emitted during agricultural and industrial activities, combustion of fossil fuels and solid waste, as well as during treatment of wastewater.

Fluorinated gases: Hydrofluorocarbons, perfluorocarbons, sulfur hexafluoride, and nitrogen trifluoride are synthetic, powerful greenhouse gases that are emitted from a variety of industrial processes. Fluorinated gases are sometimes used as substitutes for stratospheric ozone-depleting substances (e.g., chlorofluorocarbons, hydrochlorofluorocarbons, and halons). These gases are typically emitted in smaller quantities, but because they are potent greenhouse gases, they are sometimes referred to as High Global Warming Potential gases ("High GWP gases").

The following substances can behave as Bronsted-Lowry acids in aqueous solution: HNO₃ and  NH₄+

The correct answer is a and b.

The Bronsted-Lowry acid theory is a chemical theory that explains acids and bases and their reactions. It defines acids as proton donors and bases as proton acceptors.

According to the definition provided by Bronsted–Lowry, an acid is a proton (H+) donor, while a base is a proton acceptor. At the point when a Brønsted-Lowry corrosive loses a proton, a form base is shaped. Similarly, a conjugate acid is produced when a Bronsted–Lowry base acquires a proton.

Learn more about Bronsted-Lowry acids:

brainly.com/question/30460067

#SPJ11

Answer:

When water dissolves a substance, the water molecules attract and “bond” to the particles (molecules or ions) of the substance causing the particles to separate from each other. The “bond” that a water molecule makes is not a covalent or ionic bond. It is a strong attraction caused by water’s polarity.

Explanation:

Answer:

A natural gas stove converts chemical energy from burning into thermal energy used to cook food.

Answer:

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

\(volume = \frac{mass}{density} \\\)

From the question we have

\(volume = \frac{78}{7.8} \\ \)

We have the final answer as

Hope this helps you

After the solutions are mixed, a white precipitate of calcium oxalate will form, while the Li+ and Cl- ions will remain in the resulting solution.

When the solutions of CaCl2 and Li2C2O4 are mixed, a double displacement reaction occurs. The calcium ions (Ca2+) from CaCl2 react with the oxalate ions (C2O42-) from Li2C2O4 to form a precipitate of calcium oxalate (CaC2O4) according to the following equation:

CaCl2 + Li2C2O4 → CaC2O4 + 2 LiCl

Since calcium oxalate is insoluble in water, it will form a solid precipitate. The precipitate will appear as a white, finely divided solid in the solution. The remaining ions, Li+ and Cl-, will stay in the solution.

Therefore, after the solutions are mixed, a white precipitate of calcium oxalate will form, while the Li+ and Cl- ions will remain in the resulting solution.

know more about calcium oxalate here

https://brainly.com/question/19329309#

#SPJ11

The factor that should be calculated to estimate the ability of a specific chemical to enter lipid-rich tissue is the octanol-water partition coefficient (Kow). Kow is a measure of the relative solubility of a compound in octanol (lipid-like) compared to water.

The higher the Kow value, the more likely a chemical is to accumulate in lipid-rich tissue, such as adipose tissue in animals. This is because the chemical has a greater affinity for lipids than for water, and lipid-rich tissues provide a larger reservoir for storage of lipophilic chemicals.

Kow can be used to estimate the bioaccumulation potential of a chemical and its potential for biomagnification in food chains. Chemicals with high Kow values are more likely to accumulate in the fatty tissues of animals and biomagnify up the food chain, potentially causing adverse effects in top predators.

Other factors such as the octanol-air partition coefficient (Koa), the soil-organic carbon partition coefficient (Koc), and the dissolved organic carbon partition coefficient (Kd) may also be relevant for estimating the fate and transport of toxic compounds, depending on the specific environmental compartment of interest. However, for estimating the potential for accumulation in lipid-rich tissue, Kow is typically the most relevant parameter.

To know more about toxic compounds,

https://brainly.com/question/28459917

#SPJ11

Answer:

B

Explanation: