Na2O + H2O => NaOH *
Your answer
Balancing equations only the coefficient ratios

Answer:

Violet light has the highest energy, and red light has the longest wavelength

Explanation:

The correct answer would be that violet light has the highest energy, and red light has the longest wavelength.

Among the visible light rays, red has the shortest wavelength while violet has the longest. There is an inverse relationship between the energy and the wavelength of a wave. Hence, red light with the longest wavelength would have the lowest energy while violet light with the shortest wavelength would have the highest energy.

Without the sodium-potassium pump, the concentrations of sodium and potassium ions will eventually become equal on both sides of the cell membrane. This is because the sodium-potassium pump is responsible for maintaining the concentration gradient of these ions across the cell membrane.

The sodium-potassium pump is an active transport protein that pumps three sodium ions out of the cell and two potassium ions into the cell for every ATP molecule that is used. This creates a concentration gradient, with a higher concentration of sodium ions outside the cell and a higher concentration of potassium ions inside the cell.

Without this pump, the ions will diffuse across the membrane until their concentrations are equal on both sides. This can have serious consequences for the cell, as the concentration gradient of these ions is crucial for many cellular processes, including the generation of electrical signals in neurons.

Overall, the absence of the sodium-potassium pump will result in the loss of the concentration gradient of sodium and potassium ions, which can have detrimental effects on the cell's function.

To know more about sodium-potassium pump, refer here:

https://brainly.com/question/8507057#

#SPJ11

Answer:

Hydrophilic

Explanation:

A hydrophilic substance is any substance that interacts efficiently with water.

Since water is a polar solvent, a hydrophilic substance must also be polar in order to interact with water since like dissolves like in chemistry.

The fact that sugar disappears in hot water indicates that sugar is a polar hydrophilic substance because only a polar solute can dissolve in water

Based on her observation of sugar dissolving in hot water, she can properly

conclude that the sugar is hydrophilic.

A substance is said to be hydrophilic when it is able to react and dissolve in

water due to the attractive force between them. Hydrophobic substances

don't dissolve in water.

In this scenario, we were told the sugar dissolved completely in water which

means that the sugar is hydrophilic.

Read more on https://brainly.com/question/1600542

If the hydrogen gas is combusted and produces 645L of water vapor at 400 kelvin and 1.75 atm, 2796.96 g mass of the zinc is produced .

Using the ideal gas law equation:

PV = nRT

n = (PV) / (RT)

= (1.75 atm * 645 L) / (0.0821 atm·L/(mol·K) * 400 K)

= 42.71 moles

the balanced equation for the reaction between zinc and hydrochloric acid:

Zn + 2HCl -> \(ZnCl_{2}\)  + \(H_{2}\)

1 mole of zinc produces 1 mole of hydrogen gas. Therefore, the moles of zinc are also 42.71.

The molar mass of zinc is 65.38 g/mol.

Mass of zinc = moles of zinc * molar mass of zinc

= 42.71 moles * 65.38 g/mol

= 2796.96 g

Therefore, the mass of the zinc is 2796.96 grams.

learn more about hydrogen gas :

https://brainly.com/question/30829657

Answer:

\(\huge\fbox{Answer ☘}\)

Yes,a plane mirror can form a real image. A plane mirror can form a real image only for a virtual object. These converging rays of incidents light after reflection intersect at a point to give a real image.

hope helpful~

Plane mirrors always produce virtual images, because they never focus light into a single converging point.

Hence it does not produce real object or image

As power of the plane mirror is zero, hence, it neither converges nor diverges the rays.

Answer:

The answer is Unreactive.

Explanation:

This is an unreactive atom because it has completely filled out stable electrons in the outer shell.

8 electrons in the outer shell means stable.

If the final pressure of water vapor was 0.875 atm and the temperature is 400K, then 6.66 moles of H₂O was produced if we assume that the reaction went to completion in a 250L engine.

It is given to us that the pressure of water vapor is 0.875 atm and the temperature is 400K and the volume of the engine is 250L. Then, the number of moles of water could be found by the following formula,

PV = nRT

Here, R refers to the Universal Gas constant and n refers to the number of moles. Thus, by substituting the values we get the number of moles of H₂O as,

0.875x250 = nx0.0821x400

218.75 = 32.84n

n = 218.75/32.84

n = 6.66

Therefore, the number of moles of water molecules is 6.6

To know more about problems related to moles, click below:

https://brainly.com/question/15356425

#SPJ1

Answer:

A)strong and concentrated

Explanation:

I think. I haven't done chemistry since high school!

Answer:

Hello! Your answer would be (A)

Explanation: Hope this helped you out!

Answer:

1. Fr

2. cl

3.H20

4.2 mole

5. 3

6. c

A given mass of gas at 0.5 atm and 546 K is changed to STP, changes in the pressure are doubled and the temperature is halved.

Standard Temperature and Pressure (STP) is defined as a pressure of 1 atm and a temperature of 273 K. Therefore, to change the given mass of gas from 0.5 atm and 546 K to STP, the pressure must be doubled to reach 1 atm, and the temperature must be halved to reach 273 K.
So, the changes in pressure and temperature that occur as a given mass of gas at 0.5 atm and 546 K is changed to STP are: the pressure is doubled, and the temperature is halved.

Then the correct choice is the first choice.

Learn more about STP at https://brainly.com/question/29796637.

#SPJ11

The balanced equation will be \(CH_4 + 2O_2 --- > CO_2 + 2H_2O\)

The balanced equation of the reaction would be as follows:

\(CH_4 + 2O_2 --- > CO_2 + 2H_2O\)

The mole ratio of methane to carbon dioxide is 1:1.

10 grams of methane will give 10/16 = 0.625 moles

0.625 moles of carbon dioxide would give 0.625 x 44.01 = 27.506 grams.

Thus, 10 grams of methane will produce approximately 27 grams of carbon dioxide stoichiometrically.

The reaction obeys the law of conservation of mass because the atoms of all the elements before and after the reaction are balanced.

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

#SPJ1

The correct answer is (c) SO3.

The empirical formula shows the simplest possible ratio of elements present in a compound. By converting the given percentages of S and O into their corresponding mass, then dividing the mass by their respective atomic masses, the mole ratio between S and O atoms in the compound can be found. That mole ratio can be expressed as a whole number ratio and used to determine the empirical formula.

For the given percentages, we can find the empirical formula of the compound as follows:

a) The mass of sulfur in a 100 g sample of the compound is 40.05 g, and the mass of oxygen is 59.95 g. Using the atomic masses of sulfur and oxygen (32.06 g/mol and 15.99 g/mol, respectively), we can find the number of moles of each element in the compound: moles of S = 40.05 g / 32.06 g/mol = 1.249 moles moles of O = 59.95 g / 15.99 g/mol = 3.747 moles To find the simplest whole number ratio between S and O atoms, we divide each value by the smaller one: moles of S / 1.249 = 1 moles of O / 1.249 = 3Therefore, the empirical formula is SO3.

b) To find the empirical formula for S02, we would need to have the percentage composition by mass of the elements in that compound. The given percentages of 40.05% S and 59.95% O do not correspond to the compound S02.

c) Similarly, the given percentages do not correspond to SO4 either. d) The given percentages do not correspond to S04 either.

To know more about SO3 visit:

https://brainly.com/question/31042325

#SPJ11

Answer:

(CH3COO)2 + redP + Cl2 → ClCH2COOH + HCl

Explanation:

This is an example of halogenation of carboxylic acids at alpha carbon atom. In this reaction, red phosphorus and chlorine are treated with carboxylic acids having alpha hydrogen atom followed by hydrolysis to form alpha chloro carboxylic acid.

Speed in excess of 100 km/h, which is 208.8 km / h

Linear motion consists of 2: constant velocity motion with constant velocity and uniformly accelerated motion with constant acceleration  

• An equation of uniformly accelerated motion  

\(\large {\boxed {\bold {x=xo+vo.t+\frac {1} {2} at ^ 2}}}\)

vt = vo + at  

vt² = vo² + 2a (x-xo)  

x = distance on t  

vo / vi = initial speed  

vt / vf = speed on t / final speed  

a = acceleration  

I think it's not chemistry but physics

Δx = 290 m

vf = 0⇒stop

Δt = 10 s

We use the formula in the question

\(\tt \Delta x=\dfrac{1}{2}(vf+vi)\Delta t\\\\290=\dfrac{1}{2}(0+vi).10\\\\vi=58~m/s=\boxed{\bold{208.8~km/h}}\)

Answer:

12 (x + 7/10)

Explanation:

Algebra is a branch or aspect of mathematics that deals with the combination of numbers and alphabetic letters. In other words, a mathematical expression that contains letters is termed "algebraic".

According to this question, the following algebraic phase is given: "twelve times the sum of a number and seven-tenths". The algebraic expression is as follows:

- The sum of a number, which is represented by letter "x" and seven-tenths, which mathematically means 7/10 is x + 7/10.

- twelve (12) multiplied by this will give

12 × x + 7/10

= 12 (x + 7/10)

= 12x + 84/10

Below is the balanced chemical equation. 1.07 103 kilograms of carbon dioxide will be created. Every balanced chemical equation adheres to the principle of mass conservation.

A chemical equation is said to be balanced if the quantity of each type of atom in the reaction is the same on both the reactant and product sides. In a balanced chemical equation, the mass and the change are both equal.

Every balanced chemical equation follows the law of conservation mass , according to the information provided.

The total number of individual atoms on the reactant side and the total number of individual atoms on the product side must match,

according to this law.

The balancing chemical for the indicated reaction equation follows:

C₃H₈+5O₂→3CO₂=4H₂O

All the substances are present in gaseous state.

By Stoichiometry of the reaction:

1 mole of propane gas produces 3 moles of carbon dioxide gas.

So, 3.65 moles of propane gas will produce =  of carbon dioxide gas.

Now, calculating the mass of carbon dioxide using equation:

3/1×3.65

=10.95

Molar mass of carbon dioxide = 44 g/mol

Moles of carbon dioxide = 24.33 mol

Putting values in above equation, we get:

10.95=Mass of carbon dioxide÷44g/mol

         =4.50×10³g

Hence, the amount of  produced in the given reaction and expressed in scientific notation is 4.50×10³

to know more about balanced chemical equation visit;

https://brainly.com/question/15352767

#SPJ4

Answer:

false

Explanation:

Answer:

false

Explanation:

lava is on the earth

Answer:

How does the cuddle fish change its colors?

Please tell me if I'm wrong.

Polar covalent bonds are characterized by a partial positive charge on one atom and a partial negative charge on the other. Option a is correct.

In a polar covalent bond, the electrons are not shared equally between the atoms in the bond. Instead, one atom attracts the shared electrons more strongly than the other, resulting in a partial negative charge on the more electronegative atom and a partial positive charge on the less electronegative atom.

This creates a separation of charges across the bond, making it polar. The magnitude of the charge separation depends on the difference in electronegativity between the atoms. Hence option a is correct.

To know more about covalent bond, here

brainly.com/question/13915235

#SPJ4

Explanation:

When a substance is heated, it gains thermal energy. Therefore, its particles move faster and its temperature rises. When a substance is cooled, it loses thermal energy, which causes its particles to move more slowly and its temperature to drop.

When the temperature of a substance is increased, i.e., if you double the Kelvin temperature of a substance, you double the average kinetic energy of its molecules. When the average kinetic energy of the molecules goes up (a rise in temperature), the average speed of the molecules increases.

Answer:

Mass of 0.5 moles of CO2 is 22 gm.

Explanation:

1 mole of CO2 = 44 gm

0.5 mole of CO2 = 0.5 × 44 = 22 gm

The statement is FALSE. Non-ferrous metals can be hardened by heat treatment, although the mechanisms and processes involved may differ from ferrous metals.

Heat treatment techniques such as precipitation hardening can be used to increase the strength of non-ferrous metals. Non-ferrous metals are metals or alloys that do not include iron (or iron allotropes, such as ferrite, etc.) in significant quantities. Non-ferrous metals are employed because they have desired qualities like reduced weight (for example, aluminium), greater conductivity (for example, copper), non-magnetic characteristics, or corrosion resistance (for example, zinc), even though they are often more expensive than ferrous metals. In the iron and steel sectors, several non-ferrous materials are also employed. Bauxite, for instance, is used as a flux in blast furnaces, whereas wolframite, pyrolusite, and chromite are utilised to create ferrous alloys.

To know more about Non-ferrous metals

https://brainly.com/question/33291477

#SPJ11

Considering the frequency of non-polar bonds in each type of molecule, the molecule with the most potential energy should be the one with the highest number of non-polar bonds.

Non-polar bonds are stronger than polar bonds and so molecules with more of these bonds can store more energy due to their increased stability. For example, molecules with higher amounts of carbon-carbon and carbon-hydrogen bonds tend to have higher potential energies than molecules with more polar bonds such as oxygen-hydrogen bonds. Non-polar bonds are bonds between two atoms that have the same electronegativity, such as two atoms of carbon or two atoms of hydrogen. These bonds do not have a charge distribution and no molecules are attracted to them, which makes them non-polar. Polar bonds, on the other hand, are bonds between two atoms with different electronegativities, such as oxygen and hydrogen or nitrogen and hydrogen. These bonds have a partial charge distribution, which means that molecules are attracted to them, and this makes them polar.

To know more about electronegativity please refer:

https://brainly.com/question/17762711

#SPJ4

If solutions of barium nitrate and sodium sulfate are mixed and then poured into a filter, the solid remaining on the filter will be Barium sulfate. So option B is correct.

This occurs because barium nitrate and sodium sulfate undergo a double displacement reaction, resulting in the formation of the insoluble salt barium sulfate, which precipitates out of the solution and can be filtered. The reaction can be represented as:

Ba(NO3)2 + Na2SO4 -> BaSO4 + 2NaNO3

Barium sulfate is a solid salt that is insoluble in water, meaning it does not dissolve and remains as a solid precipitate. This allows the solid barium sulfate to be easily separated from the solution through filtration.

To learn more about Barium sulfate:

https://brainly.com/question/4417698

#SPJ4

Answer:

Barium Sulfate

Explanation:

BaSO4 is insoluble in water so it remains on a filter.

The answer is (3)

Answer:

The reaction rate is equal in both directions.

Explanation:

Equilibrium means equal.. so... you get the point.

Answer: the reaction rate is equal in both directions is the answer

Explanation:

hope this helps

Resonance is a key factor in determining the stability of the transition state and product formation. The major regioisomer will typically result from the pathway that allows for the most stable resonance structures.

To predict the products of the reactions and provide an explanation, we need to consider the terms given:

1. Endo or exo: These terms refer to the orientation of the substituents in the transition state of a Diels-Alder reaction. Endo refers to the substituents being closer to the electron-rich diene, while exo refers to them being farther away. The endo product is generally favored due to secondary orbital interactions.

2. COOMe: This represents an ester functional group, with COO- being the carboxylate ion and Me representing a methyl group. In this context, it is likely a part of the dieneophile.

3. Major regioisomer: This refers to the most abundant product formed in a reaction due to its favored formation pathway. In the context of a Diels-Alder reaction, the major regioisomer will be determined by the natural polarization of the diene and the dieneophile.

4. Natural polarization: In a Diels-Alder reaction, the diene and dieneophile have regions of electron-rich and electron-poor character. The natural polarization refers to the alignment of these regions in the transition state, leading to the most stable product.

To answer your question:

As you have not provided the specific reactions, I will explain the general concept.

When predicting the products of a Diels-Alder reaction, consider the following steps:

Step 1: Identify the diene and the dieneophile. The diene is the electron-rich molecule with alternating double and single bonds, and the dieneophile is the electron-poor molecule with a double or triple bond.

Step 2: Observe the natural polarization of the diene and dieneophile. Electron-rich areas on the diene will react with electron-poor areas on the dieneophile.

Step 3: Combine the diene and dieneophile, forming a new six-membered ring. Keep in mind the endo/exo preference.

Step 4: Identify the major regioisomer. This is the product that results from the preferred natural polarization alignment.

Step 5: Explain why only one regioisomer is formed by showing the natural polarization of the diene and dieneophile. The favored regioisomer is typically due to stronger orbital interactions and/or minimized steric hindrance.

Learn more about Resonance here:-
https://brainly.com/question/31039280

#SPJ11

Answer:

Although amino acids may have other formulas, those in protein invariably have the general formula RCH(NH2)COOH, where C is carbon, H is hydrogen, N is nitrogen, O is oxygen, and R is a group, varying in composition and structure, called a side chain.

Explanation:

(⁠◕⁠ᴗ⁠◕⁠✿⁠)(⁠◕⁠ᴗ⁠◕⁠✿⁠)(⁠◕⁠ᴗ⁠◕⁠✿⁠)

124 L is the correct answer

Thus, the volume of the helium is 124 L when the balloon rises to an altitude where the pressure is only 25 kPa.

What is temperature ?

Temperature is a measure of the thermal energy of a substance or system. It reflects the degree of hotness or coldness of a material, and is a crucial parameter in many physical and biological systems. It is usually measured in units of kelvins, Celsius, or Fahrenheit. The Kelvin scale is an absolute temperature scale, where 0 K represents absolute zero, the temperature at which all matter has no thermal energy. The Celsius and Fahrenheit scales are relative temperature scales, with 0°C and 32°F defined as the freezing point of water and 100°C and 212°F defined as the boiling point of water.

To learn more about temperature, click the given link,

https://brainly.com/question/25677592

#SPJ1