Which of the following photons frequency has the highest energy?
A. 8.02 x 10^-12
B. 23 x 10^-13
C. 20 x 10^13
D. 25 x 10^12

Explanation too please

Answer:

i.e. mass of 1 mole of glucose, C6H12O6 = (6 × 12.01 + 12 × 1.01 + 6 × 16.00) g = 180.18 g (using atomic weight data to 2 decimals) 1 mole of carbon atoms weighs 12.01 g and there are 6 moles of C atoms in 1 mole of glucose, so the mass of carbon in 1 mole of glucose = 6 × 12.01 g = 72.06 g.

Answer:

planets,meteoroids and asteroids  

Explanation:

The ice particles have a lower average kinetic energy. Consequently, ice is distinct from the water vapour that develops as the water starts to boil.

Chemistry defines an object's kinetic energy as the amount of work it produces when in motion. Activities like walking, climbing, tossing, and dropping consume kinetic energy.

Kinetic energy is a type of energy that a moving object or particle has. When an item undergoes work—the transfer of energy—by being subjected to a net force, it accelerates and acquires kinetic energy. A moving object or particle's kinetic energy, which depends on both mass and speed, is one of its properties. Any combination of movements, including translation, rotation along an axis, and vibration, may be used as the kind of motion.

Learn more about Energy here:

https://brainly.com/question/26996435

#SPJ4

Answer:

photosynthesis is in the chloroplast and the cellular respiration is in the Mitochondria

Explanation:

In the reation Mg(s) + 2HCl(aq) → MgCl₂(aq) + H₂(g), hydrochloric acid is the limiting reagent.

To find the limiting reagent, we must calculate the quantity of product that may be created from each reactant and compare it to discover which one creates the least amount of product. First, we must determine the amount of moles of each reactant.

Mg moles = 4 g / 24.3 g/mol = 0.165 moles

Moles of HCl = 5.48 g / 36.5 g/mol = 0.150 moles (since HCl has a molar mass of 36.5 g/mol, which is the sum of hydrogen and chlorine atomic masses)

Next, we need to determine the limiting reagent by comparing the moles of Mg and HCl. According to the balanced chemical equation, 1 mole of Mg reacts with 2 moles of HCl.

Therefore, if we assume that all the Mg reacts, it would need 2 x 0.165 = 0.330 moles of HCl to react completely. However, we only have 0.150 moles of HCl, which is not enough to react with all the Mg. This means that HCl is the limiting reagent, and Mg is in excess. Therefore, the hydrochloric acid is the limiting reagent.

To know more about limiting reagent, visit,

https://brainly.com/question/26905271

#SPJ1

To transform function f(x) into g(x) = f(x) + k, the value of k needs to be added to the function.

To transform function f(x) into g(x) = f(x) + k, we need to determine the value of k that will achieve the desired transformation. In this case, k represents a vertical shift of the graph of f(x) upwards or downwards. Adding a constant value k to the function f(x) will shift the entire graph vertically by that amount. By adjusting the value of k, we can control the magnitude and direction of the shift. Positive values of k will shift the graph upward, while negative values will shift it downward. The specific value of k will depend on the desired transformation and the characteristics of the original function f(x).

To learn more about function, click here:

brainly.com/question/30721594

#SPJ11

Answer:

A) It increases when the concentration of reactants increases.

Explanation:

When you increase the concentration, there is more of a substance, and therefore more opportunities for the reactants to collide together with enough energy to create a product.

Answer:

A) It increases when the concentration of reactants increases.

Explanation:

It's just right!!!

THF is a poor solvent for Friedel-Crafts reactions using aluminum chloride or boron trifluoride because THF forms stable adducts with these compounds, THF is a strong Lewis base, and THF has a very low boiling point. Here options B, C, and D are correct.

THF is a polar aprotic solvent that is commonly used for many organic reactions, but it is a poor solvent for Friedel-Crafts reactions that use aluminum chloride or boron trifluoride. This is because THF can form stable adducts with these compounds, which can reduce their reactivity and prevent them from effectively catalyzing the reaction. Therefore, option B is correct.

In addition, THF is a strong Lewis base, which means that it can coordinate with Lewis acids like aluminum chloride or boron trifluoride and form adducts. This further reduces the reactivity of the Lewis acid, making the reaction less effective. Therefore, option C is also correct.

Finally, the boiling point of THF is relatively low (66°C), which can make it difficult to maintain the reaction at the desired temperature. This can affect the reaction kinetics and the yield of the product. Therefore, option E is also correct.

To learn more about Friedel-Crafts reactions

https://brainly.com/question/30861499

#SPJ4

Complete question:

Why is THF (tetrahydrofuran) a poor solvent for Friedel-Crafts reactions that use aluminum chloride or boron trifluoride?

A. THF is unstable in the presence of these compounds

B. THF forms stable adducts with these compounds

C. THF is a strong Lewis base

D. THF is a strong Lewis acid

E. The boiling point of THF is too low.

Answer:

B for element 1 0 charge

Explanation:

Atomic Number

Atomic Mass Number

Protons

Neutrons

Electrons

Charge

Element 1

6

12

A

6

6

B

Element 2

6

13

6

C

D

1+

Look at the above table.

What charge (B) should Element 1 have

Question 2 options:

0

6

12

1+

from the data we can construct the following table

                                    element  1         element 2  

Atomic #                               6                     6

Atomic mass                         12                   13

protons                                   6                    6                          

neutrons                                  6                   7  

electrons                                  6                   5          

charge                                      0                   +1

the atomic # of both is 6, so they are both carbon with 6 protons

element 1 has a total of protons plus neutrons of 12, element 2 of 13

so element 1 has 6 neutrons,element 2 has 7

element 2 has a +1 charge with 6 protons, so it has only 5 negative electrons

element 1 with 6 protons has 6 electrons, so it has a 0 charge

To determine the formula of a hydrate, experimental data needed includes the mass of the hydrated and anhydrous compounds.

The process begins by measuring the mass of the hydrate before heating.

The hydrate is then heated to remove water molecules, leaving behind the anhydrous compound.

After heating, the mass of the anhydrous compound is measured.

The difference between the two masses is the mass of water lost.

Finally, using the molar masses of the anhydrous compound and water, you can calculate the mole ratio of water to the anhydrous compound, which is used to determine the formula of the hydrate.

Hence,  The formula of a hydrate is determined by obtaining experimental data on the masses of the hydrated and anhydrous compounds and calculating the mole ratio of water to the anhydrous compound.

learn more about mass click here:

https://brainly.com/question/86444

#SPJ11

Answer: The answer is true.

Explanation: Avogadro's number is a mole, which concludes that this statement is true.

If a titration net volume should be 20. 00 ml and a student accidentally goes one drop past the endpoint (~0. 05 ml),then the percent error is 0.25%.

Percent error is defined as the difference of experimental value and theoretical value and measures the accuracy of the result found. The greater the error, lesser is the accuracy and vice versa.

Vd = 1mL/20 drops

where,

Vd is volume of one drop

Vd = 0.05mL

Error is defined as the ratio of change in volume divided by real volume.

e(%) = {(Vr-Vt) /Vt}×100

where,

Vr = real volume

Vd = theoretical volume

e(%) = {((20+0.05) -20) /20} × 100

e(%) = 0.25%

Thus, we find that the percent error on adding one drop is 0.25%.

learn more about percent error:

https://brainly.com/question/3105259

#SPJ4

To determine the maximum amount of NaNO3 produced during the experiment, we need to use stoichiometry and the limiting reactant concept.

From the reaction equation, we know that 1 mole of Al(NO3)3 reacts with 3 moles of NaCl to produce 1 mole of NaNO3 and 1 mole of AlCl3. Therefore, we can calculate the amount of NaNO3 produced based on the limiting reactant.

First, we need to determine which reactant is limiting. We can do this by comparing the moles of each reactant to their stoichiometric ratio.

For Al(NO3)³:

4 moles Al(NO3)³ x (3 moles NaCl / 1 mole Al(NO3)3) = 12 moles NaCl

For NaCl:

9 moles NaCl / 3 = 3 moles Al(NO3)³

Since we have more NaCl than Al(NO3)³, Al(NO3)³ is the limiting reactant.

Therefore, the maximum amount of NaNO3 produced is determined by the amount of Al(NO3)³ used, which is 4 moles. According to the stoichiometry, 4 moles of Al(NO3)³ will produce 4 moles of NaNO3.

In summary, the maximum amount of NaNO3 produced during the experiment is 4 moles, which was determined based on the stoichiometry of the reaction and the limiting reactant concept.

To know more about limiting reactant, visit:

https://brainly.com/question/14225536

#SPJ1

Explanation:

first, balance the equation.

Al(NO3)3 + 3NaCl ---> 3NaNO3 +AlCL3

now start solving.

\(\frac{4molAl(NO3)3}{1} X \frac{3 mol NaNO3}{1mol Al(NO3)3} = 12mol NaNO3\)

\(\frac{9molNaCl}{1} X \frac{3molNaNO3}{(3molNaC} )= 9molNaNO3\)

making NaCl the limiting reactant

and Al(NO3)3 is the excess reactant

The theoretical yield of a chemical reaction is the maximum amount of product you would expect from the reaction due to a reactant running out before the others. The reactant that runs out first is the limiting reactant.

Answer:

Endothermic , this is correct answer

Approximately 4.8% of the electron's initial kinetic energy is transferred to kinetic energy of the hydrogen atom in a one-dimensional elastic collision.

In an elastic collision, both momentum and kinetic energy are conserved. The initial momentum of the system is given by the momentum of the electron, since the hydrogen atom is initially stationary. After the collision, the momentum of the electron and the hydrogen atom will be equal and opposite in direction. By conservation of momentum, we can calculate the final velocity of the hydrogen atom.

Since the collision is elastic, the total kinetic energy of the system is conserved as well. We can use the initial and final velocities of the hydrogen atom to calculate the percentage of the electron's initial kinetic energy that is transferred to the hydrogen atom. This percentage turns out to be approximately 4.8%, based on the relative masses of the electron and hydrogen atom.

Learn more about collision here:

https://brainly.com/question/31318883

#SPJ11

Answer

A

Explanation

The ionization of HCO₃⁻ in H₂O is:

The general ionization constant, Ka is given as:

Hence, the ionization (Ka) of HCO₃⁻ is equal to:

Option A is the correct answer.

Mammoth Cave NP contains deposits of potassium nitrate (KNO3) that were used in the past to produce saltpeter, an important ingredient in gunpowder. These nitrate deposits were exploited extensively (and virtually exhausted) to support military action during the War of 1812.

Mammoth Cave NP contains deposits of potassium nitrate (KNO3) that were used in the past to produce saltpeter, an important ingredient in gunpowder. These nitrate deposits were exploited extensively (and virtually exhausted) to support military action during the War of 1812.The park is 211.26 square kilometers in size and has approximately 400 miles of surveyed caves. The longest cave system in the world is located here.

Mammoth Cave was established in 1941 as a national park. Since then, scientists have discovered that Mammoth Cave National Park's cave system is among the most biologically diverse in the world. Mammoth Cave National Park has been designated a UNESCO World Heritage Site and a Biosphere Reserve as well. So therefore these nitrate deposits were exploited extensively (and virtually exhausted) to support military action is during the War of 1812.

Learn more about Mammoth Cave at:

https://brainly.com/question/8763948

#SPJ11

The atoms, subatomic particles, particles that are 10^-9m, microtechnology systems, neutrons and particles that are 10^-3m  will displays the effects of quantum mechanics.

As a result,  atoms, subatomic particles, particles that are 10^-9m, microtechnology systems, neutrons and particles that are 10^-3m  will displays the effects of quantum mechanics.

Learn more about Quantum Mechanics refer to :

https://brainly.com/question/26095165

#SPJ4

Answer: 1,2,4,5,7,8

Explanation: doing the quiz!

Answer:

18 electrons

Explanation:

Answer:

18 electrons

Explanation:

Ca has 20 electrons. Ca^2+ has 18 electrons

The pH of the solution is 5.70, which indicates that the solution is slightly acidic.

The pH of a solution is a measure of its acidity or basicity and is defined as the negative logarithm of the hydrogen ion concentration [H+].

The pH of a solution can be calculated using the formula: pH = -log[H+]. In this case, the [H+] concentration is 2.00 × \(10^{-6}\) M.

Substituting this value into the formula, we get pH = -log(2.00 × \(10^{-6}\)) = 5.70.

Therefore, the pH of the solution is 5.70, which indicates that the solution is slightly acidic.

To know more about ions, refer here:

https://brainly.com/question/13692734#

#SPJ11

When red blood cells are placed in Solution A, which contains 150 mM NaCl, no significant changes occur because the concentration of sodium chloride is similar to that of the cells' internal environment. The isotonic nature of Solution A ensures that there is no net movement of water across the cell membrane, resulting in the cells maintaining their normal shape and size.

However, when comparing the tonicity of Solutions B, C, D, and E to Solution A and each other, differences arise. Tonicity refers to the osmotic pressure exerted by a solution on a cell and is influenced by the concentration of solutes within the solution. Solutions B and E both contain additional solutes along with NaCl.

Solution B, consisting of 100 mM glucose and 100 mM NaCl, has a higher tonicity compared to Solution A. Glucose cannot freely cross the cell membrane, creating an osmotic gradient that draws water into the red blood cells, causing them to swell.

Solution C contains 100 mM Drug X, a small non-polar molecule, along with 150 mM NaCl. Since Drug X is non-polar, it can freely cross the cell membrane. The presence of Drug X does not significantly affect the tonicity compared to Solution A, as it does not create an osmotic gradient.

In contrast, Solution D, which contains 150 mM MgCl2, has a higher tonicity than Solution A. MgCl2 dissociates into Mg2+ and Cl- ions, both of which cannot cross the cell membrane easily. The higher concentration of impermeable ions creates an osmotic gradient, leading to water loss from the red blood cells and causing them to shrink.

Lastly, Solution E consisting of 300 mM fructose has a higher tonicity compared to Solution A. Fructose cannot freely cross the cell membrane, resulting in an osmotic gradient that draws water into the red blood cells, causing them to swell.

In summary, placing red blood cells in Solution A does not produce significant changes in the cells. However, when comparing the tonicity of Solutions B, C, D, and E to Solution A and each other, variations in osmotic pressure occur due to the presence of different solutes.

Learn more about red blood cells

brainly.com/question/12265786

#SPJ11

When NaF is in aqueous solution it dissociates into ions and reacts with water forming NaOH and HF.

The solution would be a mixture of a strong base and a weak acid. Both of these substances contribute to the pH of the solution. We calculate pH as follows: Ka + Kb = 1x10^-14 Kb = 1x10^-14 - 3.5x 10 ^-5mKb = 6.5 x10^-5Kb = [Na+] [OH-] / [NaF] We let x be the concentration of Na in equilibrium, Kb = (x) (x) /0.22 6.5 x10^-5 = x^2 /0.22 x = 3.78x10^-3 = [OH]pOH = -log [OH] pOH = 2.42 pH + pOH = 14  pH = 14 - pOH  pH = 14 - 2.42 pH = 11.58

Therefore, the pH of the solution would be 11.58.

Learn more about concentration here:

https://brainly.com/question/12970323

#SPJ11

The molarity of a solution with 55 grams of CaCl2 dissolved in 0.78 L is 0.64M. Details about molarity is found below.

The molarity of a solution can be calculated by dividing the number of moles of the substance by its volume.

However, the number of moles of a substance must first be calculated using the following expression:

no of moles = 55g ÷ 111g/mol

no of moles = 0.49mol

Molarity of CaCl2 solution = 0.49mol ÷ 0.78L

Molarity of CaCl2 solution = 0.64M

Therefore, the molarity of a solution with 55 grams of CaCl2 dissolved in 0.78 L is 0.64M.

Learn more about molarity at: https://brainly.com/question/2817451

The movement of potassium ions through leakage channels is responsible for establishing the negative membrane potential. These leakage channels are present in the cell membrane of most cells and allow a slow and constant movement of ions across the membrane.

As potassium ions have a higher concentration inside the cell than outside, they tend to move out of the cell through these channels, causing a slight negative charge to develop inside the cell. This negative charge, or membrane potential, is essential for many cellular processes, including the transmission of nerve impulses and the contraction of muscle fibers.

Other ions, such as sodium and calcium, also contribute to the membrane potential, but their movements are regulated by ion channels and pumps. In summary, the movement of potassium ions through leakage channels establishes the negative membrane potential, which is critical for the proper functioning of cells.

To know more about cell membrane visit:

https://brainly.com/question/13524386

#SPJ11

The molecule that is not a second messenger molecule (D) Steroids.

Steroids are not considered second messenger molecules. Second messengers are intracellular signaling molecules that transmit signals from receptors on the cell surface to target molecules inside the cell, thereby relaying and amplifying the initial signal.

The second messengers mentioned in the options are:

A. cGMP (cyclic guanosine monophosphate)

B. cAMP (cyclic adenosine monophosphate)

C. Calcium

E. Inositol-phospholipid system (which includes molecules such as inositol trisphosphate, diacylglycerol, and phosphatidylinositol)

These molecules are involved in various signal transduction pathways and act as mediators or regulators of cellular responses. However, steroids, such as cortisol or estrogen, are not classified as second messengers.

Steroids typically act as ligands for intracellular receptors, which directly influence gene expression rather than functioning as second messengers within signal transduction cascades.

To know more about the Steroids refer here :

https://brainly.com/question/31827935#

#SPJ11

The molarity of an aqueous solution that is 6.5% sucrose by mass is 0.2M.

Molarity is the number of moles of solute per liter of solution, while density is the mass of a solid, liquid, or gas divided by its volume. Since a liter is a unit of volume and a mole of a chemical is the atomic masses of its constituent atoms in grams, molarity is also a unit of density.

We should first determine the sample's mass.

if a sample of sucrose has 6.5% mass-based acetic acid

density is 1.06 g/ mL.

6.5% x density =  mass sample.

mass sample = 6.5% x 1.06 g/mL = 0.0689 g/mL, = 68.9 g/L.

After converting the solute's density to grams/liter, we can use the value to determine the sample's molarity by dividing it by the solute's molecular mass.

Molarity is = 68.9 g/L/342  g/mol = 0.2M.

learn more about molarity at brainly.com/question/24279958

#SPJ4

Stearic acid > myristic acid > Lauric acid > Oleic acid > Linoleic acid > Linolenic acid

An acid is any substance that in water solution tastes bitter, modifications blue litmus paper to red, reacts with a few metals to free up hydrogen, reacts with bases to shape salts, and promotes chemical reactions (acid catalysis).

Acetic acid, additionally referred to as ethanoic acid, is a weak acid with the chemical components CH3COOH. It's far recognised to be the lively issue of vinegar, that is a 4% – 7% solution of acetic acid in water.

Acetic acid is a vulnerable acid as it simplest partially dissociates into its constituent ions while dissolved in water.

Learn more about acids here:- https://brainly.com/question/25148363

#SPJ4

Answer:

Explanation:

The formula for concentration is C = n/V

Where C represents concentration in mol/L.

n represents moles in mol.

V respresents volume in L.

You have 550 mL, let's convert it to L (1000 mL= 1L)

550 mL / 1000 = 0.55 L

We got V and we need n. We can find n by this formula:

n = m/M

m represents mass in g.

M represents molar mass in g/mol.

We are given grams of iron (II) chloride (FeCl2)

Find the molar mass by the periodic table: 55.85 + (2*35.45) = 126.75 g/mol.

n = (350 g) / (126.75 g/mol) = 2.76134 mol

Back to our first formula: C = n / V

C = (2.76134 mol) / (0.55 L) = 5.0206 mol/L.

to 3 significant digits it's 5.02 mol/L, and that is how you find concentration.

The mass-volume percentage of the solution is 3%.

Mass-volume percentage is the amount of solute (in grams) dissolved in 100 mL of the solution.

Given, the mass of solute = 1.50 g

Volume of solution = 50.0 mL

To calculate the mass-volume percentage, we need to convert the volume to 100 mL.

Mass-volume percentage = (mass of solute/volume of solution) x 100

= (1.50 g/50.0 mL) x 100

= 3%

Therefore, the mass-volume percentage of the solution is 3%.

To learn more about mass-volume percentage, here

https://brainly.com/question/28998211

#SPJ4

Osmolarity is defined as the number of osmoles of solute per liter of solution. It is a measure of solute concentration in a solution. Intravenous (IV) solutions are categorized into three types, based on the osmolarity of the solution: isotonic, hypertonic, and hypotonic.

IV solutions can be classified into three groups according to their osmolarity:

Isotonic solutions - Isotonic solutions have the same osmolarity as blood plasma (around 280 mOsm/L), resulting in no osmotic gradient and no movement of water into or out of the cells. A few examples of isotonic IV solutions include normal saline (0.9 percent sodium chloride), lactated Ringer's solution, and D5W (dextrose 5% in water).

Hypotonic solutions - Hypotonic solutions have an osmolarity less than that of plasma, with a lower concentration of solutes. This causes water to flow into the cells, causing them to swell. A few examples of hypotonic solutions include 0.45% sodium chloride (half-strength normal saline) and 0.225% sodium chloride (quarter-strength normal saline).

Hypertonic solutions - Hypertonic solutions have an osmolarity greater than that of plasma, with a higher concentration of solutes. This causes water to move out of the cells and into the bloodstream, resulting in cell shrinkage. A few examples of hypertonic solutions include 10 percent dextrose in water, 3 percent sodium chloride, and 5 percent sodium chloride.Answer: The osmolarity of an isotonic solution is equal to that of serum.

To learn more about osmolarity : https://brainly.com/question/13258879

#SPJ11