I would expect the compound NaBr to: (select all that apply) dissolve in oil dissolve in water have a crystalline structure conduct electricity if dissolved in water

Answer:0

Explanation: zero because it is the most stable form of oxygen in its standard state

True. Do not use oil-based products such as Vaseline and body lotions because they destroy latex. Latex is a natural rubber, and when it comes into contact with oil-based products, it reacts chemically.

This reaction causes latex to degrade and lose its elasticity, making it prone to breakage. Therefore, it is important to avoid oil-based products when using latex products, such as condoms, gloves, and other medical supplies. Instead, use water-based products that are safe to use with latex. Water-based products are gentle on the skin and do not react chemically with latex, making them ideal for use with latex products.

learn more about chemically

https://brainly.com/question/12145141

#SPJ11

The density of the substance that has a mass of 4.2 grams and a volume of 6 milliliters is 0.7g/mL.

The density of a substance is a measure of the mass of matter contained by a unit volume.

The density of a substance can be calculated by dividing the mass of the substance by its volume.

According to this question, a sample of a substance has a mass of 4.2 grams and a volume of 6 milliliters. The density can be calculated thus;

Density = 4.2g ÷ 6mL

Density = 0.7g/mL

Therefore, the density of the substance that has a mass of 4.2 grams and a volume of 6 milliliters is 0.7g/mL.

Learn more about density at: https://brainly.com/question/15164682

#SPJ1

Answer:

2.7 mL

Explanation:

The equation of the reaction is;

2AlBr3 + 3Cl2 -----> 2AlCl3 + 3Br2

Number of moles in 2.12 x 1022 formula units of aluminum bromide

1 mole of AlBr3 = 6.02 * 10^23 formula units

x moles = 2.12 x 1022 formula units

x = 2.12 x 1022 formula units  * 1 mole/ 6.02 * 10^23 formula units

x = 0.0352 moles of AlBr3

According to the reaction equation;

2 moles of AlBr3 produces 3 moles of Br2

0.0352 moles of AlBr3 produces 0.0352 moles  *  3 moles /2 moles

= 0.0528 moles of Br2

Mass of Br2 produced = 0.0528 moles of Br2 * 159.808 g/mol

Mass of Br2 produced = 8.44g

But density = mass/volume

volume = mass/density

volume of Br2 = 8.44 g/ 3.12 g/mL

volume of Br2 =  2.7 mL

Answer: Fluorine

Explanation:

The answer is fluorine as it is in the 9th

Answer:

The answer is decomposition of stone during acid rain

Explanation:

The reason being is that decomposition is most likely a result of a chemical change.

Answer:

The inner core is solid by intense pressure of all the layers above it.

Explanation:

The inner core is made up of heavy elements such as iron and nickel. It therefore possesses an unusually high pressure that makes the expanded inner core which arose from effects of high temperature to be nullified.

Thus, we can say that the inner core is solid by intense pressure of all the layers above it.

Answer:

Number 3

Explanation:

Answer:

freezing is a phase change from liquid to solid at atmospheric pressure

According to the given statement The nitrate ion has a molarity of 0.241 M.

We divide the molar mass of solute but by total volume of liter of solution to determine the molarity of a solution.

Mass of copper(II) nitrate = 3.40 grams

Volume of the sodium chromate 0.20 M aqueous solution is 150 mL, or 0.15 L.

Step 2: The balanced equation

Cu(NO3)2 + Na2CrO4 → CuCrO4 + 2NaNO3

→ 2Na+ + 2NO3-

Step 4: Calculate moles of nitrate ion

When we consume 1 mole of Cu(NO3)2, we make 2 moles of NO3- This works out to 0.0181 mole of Cu(NO3)2 and 0.0362 moles of NO3-

Step 5: Calculate molarity of the nitrate ion

Molarity : Moles / volume

Molarity NO3-

= 0.0362 moles / 0.150 L

Molarity NO3-

= 0.241 M

The nitrate ion has a molarity of 0.241 M.

To know more about  Molarity visit:

https://brainly.com/question/8732513

#SPJ4

The complete question is -

Suppose 3.40g of copper(II) nitrate is dissolved in 150.mL of a 0.20M aqueous solution of sodium chromate. Calculate the final molarity of nitrate anion in the solution. You can assume the volume of the solution doesn't change when the copper(II) nitrate is dissolved in it. Round your answer to 3 significant digits.

As an intermediate precautionary measure, I should isolate the leak area in all directions for 50 metres(150 feet).

These manuals advise a 150-foot initial isolation in all directions. Responders should always strive to position themselves uphill, upwind, and upstream of the incident when responding to a scene involving hazardous materials.

Small spills (less than 52.83 gallons, or 200 litres): 100 feet in all directions should be isolated first (30 m). then during the day, safeguard those who are downwind: 0.2 mi (0.2 km). then throughout the night, safeguard those who are downwind: 0.8 mi (1.2 km).

To know more about Small Spill :

brainly.com/question/6321746

#SPJ4

Answer:

It would take sound 104.998 seconds to travel across lake tahoe.

Explanation:

First let's convert the miles to meters, so, 21.6 miles = 34754.4 meters

Now, we will divide this number in meters by 331. So, 34754.4 / 331 = 104.998

And what will the unit be? Seconds will be the unit for time here so 104.998 seconds.

Answer: New Hampshire

Explanation:

If it is the dark green then its New Hampshire :)

Answer:

New Hampshire ;)

Explanation:

New Hampshire is the dark green state on this map, and it is apart of the first 13 colony I hope that helped.

Answer:  yes, Air is a homogeneous mixture of the gaseous substances nitrogen, oxygen, and smaller amounts of other substances. Salt, sugar, and substances dissolve in water to form homogeneous mixtures. A homogeneous mixture in which there is both a solute and solvent present is also a solution

Explanation:

Answer:

the neutral formula for magnesium chlorite is Mgcl2

\(\rm Mg(ClO_2)_2\) is the neutral formula for magnesium chlorite. The chlorite ion, also referred to as the \(\rm ClO_2^-\) ion.

The \(\rm ClO_2^-\) ion, also known as the chlorite ion, is what is commonly meant when the word "chlorite" is used. The positive and negative charges in a compound must be equal in order for it to be neutral. Since the magnesium ion (\(\rm Mg^{2+}\)) is a cation and has a +2 charge, it must shed two electrons in order to become stable. Because oxygen (O) generally has a -2 charge and in this instance there are two oxygens, the total charge is -2, the chlorite ion (\(\rm ClO_2^-\)) has a -1 charge. It has a -1 charge since the molecule only contains one chlorite ion.

Balance the charges in order to make the compound electrically neutral. We require two chlorite ions to balance the charge because the chlorite ion has a -1 charge and the magnesium ion has a +2 charge. As a result, \(\rm Mg(ClO_2)_2\) is the proper formula for magnesium chlorite.

To know more about magnesium chlorite, here:

https://brainly.com/question/29749134

#SPJ6

The rate of change of the concentration of Na₂C₂O4 is -0.0551 M/s.

To determine the rate of change of the concentration of sodium oxalate (Na₂C₂O4), we can use the rate equation:

Rate = (Δ[Na₂C₂O4]) / (Δt)

where Δ[Na₂C₂O4] represents the change in concentration of Na₂C₂O4 and Δt represents the change in time.

In this case, the initial concentration of Na₂C₂O4 is 1.34 M, and after 19.3 seconds, the concentration is 0.276 M.

Substituting the values into the rate equation, we have:

Rate = (0.276 M - 1.34 M) / (19.3 s - 0 s)

Rate = (-1.064 M) / (19.3 s)

Rate = -0.0551 M/s

Therefore, the rate of change of the concentration of Na₂C₂O4 is -0.0551 M/s.

The negative sign indicates that the concentration of Na₂C₂O4 is decreasing over time, as the reactant is being consumed in the reaction.

It's important to note that the rate of a reaction is influenced by various factors, such as the reaction mechanism, temperature, and presence of catalysts. The rate can be determined experimentally by measuring the change in concentration of a reactant or product over a specific time interval.

The given information allows us to calculate the rate of change for the specific reaction involving Na₂C₂O4. However, without additional information about the reaction, it is not possible to determine the exact nature or stoichiometry of the reaction, as well as any other reactants or products involved.

For more such questions on rate of change visit:

https://brainly.com/question/29000078

#SPJ8

CNO cycle differ from the proton-proton chain due to , Option 1,2, 3 is correct and it is similar because of option 1,2 and 3.

the CNO cycle differ from the proton-proton chain

It is similar due to following reason

The CNO cycle (carbon-nitrogen-oxygen cycle) and the proton-proton chain are two different nuclear fusion reactions that occur in stars.

The CNO cycle is a fusion reaction that occurs in stars that are more massive than the Sun. In this reaction, carbon, nitrogen, and oxygen nuclei are used as catalysts for the fusion of four protons into a helium nucleus. The CNO cycle produces helium nuclei, as well as other byproducts such as gamma rays and neutrinos. The CNO cycle requires higher temperatures (around 15 million Kelvin) and is less efficient than the proton-proton chain at converting hydrogen into helium.

On the other hand, the proton-proton chain is the primary fusion reaction that occurs in stars like the Sun. In this reaction, four protons are fused together to form a helium nucleus, which releases energy in the form of gamma rays and positrons. The proton-proton chain also produces helium nuclei, as well as other byproducts such as neutrinos. The proton-proton chain does not use carbon nuclei as catalysts and occurs at lower temperatures (around 10 million Kelvin) compared to the CNO cycle.

In terms of similarities, both the CNO cycle and the proton-proton chain are fusion reactions that occur in stars and produce energy and helium nuclei. They also occur at similar temperatures and produce some of the same byproducts, such as neutrinos. However, they differ in the specifics of the reactions, the temperatures required for the reactions to occur, and the byproducts produced.

For more question on proton-proton chain click on

https://brainly.com/question/29440537

#SPJ11

correct question would be

How does the CNO cycle differ from the proton-proton chain? (Select all that apply:)

1. The CNO cycle uses carbon nucleus a5 catalyst for the reaction whereas the proton-proton chain does not;

2. The CNO cycle produces different byproducts

3. The CNO cycle requires higher temperatures

4. The CNO cycle produces energy, whereas the proton-proton chain does not:

5. The CNO cycle produces helium nucleus whereas the proton-proton chain does not;

How is it similar? (Select all that apply:)

1. They both produce energy:

2. They both produce helium nuclei.

3. They occur at similar temperatures

4. They both produce the same byproducts

5. They both use carbon nucleus as catalyst for the reaction.

The energy is coming from the battery that is in the torchlight.

In the case of an object in motion, energy is coming from the kinetic energy of the object. Kinetic energy is the energy an object possesses due to its motion. This energy is transferred to the object by an external force, such as a push or a pull, which causes the object to start moving or to change its motion.

Energy is the ability to do work and can take many forms, such as thermal, kinetic, potential, and chemical energy. Energy can be transformed from one form to another and can also be transferred from one object to another.

Therefore, In the case of an object being put into motion, energy is coming from the potential energy of the object. Potential energy is the energy an object possesses due to its position or configuration. This energy is transferred to the object by an external force, such as gravity, which causes the object to start moving or to change its motion.

Learn more about energy from

https://brainly.com/question/2003548

#SPJ1

Answer:There are 1.51 × 1024 atoms

Explanation:

Answer:

2 lol

Explanation:

The safety data sheet is used while working in a laboratory and handling chemicals. According to SDS, hydrochloric acid should be stored in a cool, well-ventilated area. Thus, option 2 is correct.

Hydrochloric acid has been defined as a strong acid that is liquid formed by the two elements, hydrogen gas, and chloride. Because of their corrosive nature and high reactivity they are recommended to be stored in dark-colored glass bottles.

They should be stored in a cool and well-ventilated area as they can easily react with other metals, alkalis, oxidizing agents, etc. The reaction results in heat formation and gaseous vapors that are harmful when coming in contact.

Therefore, option 2. hydrochloric acid should be stored in dark and cool places.

Learn more about hydrochloric acid, here:

https://brainly.com/question/14201872

#SPJ2

Answer:in can

Explanation:

Answer:

What are your subjects you need help with?

Answer:

HELIUM IS HE ANSWER

Explanation:

GOOD LUCK

Phosphorus trichloride is a chemical compound with the formula PCl3, it is a colorless, fuming, and highly reactive liquid. This compound can be decomposed into its constituent elements, phosphorus and chlorine gas, by applying heat or light.

The decomposition reaction is represented as:2PCl3 (g) → P2 (g) + 3Cl2 (g)The standard entropy change, ΔS°, for the decomposition of phosphorus trichloride (PCl3) into its constituent elements, phosphorus and chlorine gas, is calculated as follows:ΔS° = ΣS°(products) - ΣS°(reactants)The standard entropies of formation for the products and reactants are listed below:P2 (g): S° = 232.5 J/mol.KCl2 (g): S° = 223.0 J/mol.KPCl3 (g): S° = 373.2 J/mol.KUsing these values, we can calculate the standard entropy change, ΔS°, for the reaction:ΔS° = (2 x 232.5 J/mol.K + 3 x 223.0 J/mol.K) - 373.2 J/mol.KΔS° = 462.5 J/mol.K - 373.2 J/mol.KΔS° = 89.3 J/mol.KThe positive value of ΔS° indicates that the decomposition reaction of phosphorus trichloride into its constituent elements is favorable from an entropy perspective. It indicates that the reaction is spontaneous and will occur spontaneously under appropriate conditions.

For more information on decomposition reactionvisit:

brainly.com/question/21491586

#SPJ11

The kind of light that has the longest wavelength is infrared light. Light is a form of electromagnetic radiation, and its wavelength determines the color that we perceive.

The visible spectrum of light is composed of different colors, each with its own wavelength, from red to violet. Ultraviolet light has a shorter wavelength than visible light, and is responsible for sunburn and other skin damage. On the other hand, infrared light has a longer wavelength than visible light, and is responsible for heat radiation.
Infrared light is also used in a variety of technologies, from remote controls to night vision devices. It is also used in the medical field, for example in thermal imaging to diagnose diseases. Additionally, infrared light is important in studying the universe, as it can penetrate dust clouds and reveal the hidden structure of stars and galaxies.
In summary, infrared light has the longest wavelength of the given options, and is responsible for heat radiation, used in various technologies and medical applications, and is important in astronomical studies.

learn more about infrared light Refer: https://brainly.com/question/31387197

#SPJ11

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