2) Balance the redox reaction by inserting the appropriate coefficients.
redox reaction:HNO3+H2S-> NO2+S+H2O

Answer: Radio Waves

Explanation:

electromagnet transmit Radio waves

Answer:

V = 21.2 cm³

Explanation:

Given data:

Diameter of block = 3.0 cm

Volume of block = ?

Solution:

Formula:

V = 2πr³

First of all we will calculate the radius from diameter.

r = d/2

r = 3.0 cm/2

r = 1.5cm

V = 2(22/7) (1.5cm)³

V = 2(3.14) (3.375cm³)

V = 21.2 cm³

Answer:

a subshell is a subdivision of electron shells that are separated by electron orbitals.

Explanation:

(subshells are labeled s,p,d, and f in an electron configuration)

Do you have the answers for this test ?!?Im taking it right now and grades are due this friday so I need to pass this test

Answer:

(D) is the correct option.

Explanation:

Molar mass of NO = (14+16) g/mol = 30 g/mol

Molar mass of NO₂ = (14+16×2) g/mol = 46 g/mol

Molar mass of N₂O = (14×2+16) g/mol = 44 g/mol

Molar mass of N₂O₅ = (14×2+16×5) g/mol = 108 g/mol

Number of moles = mass/molar mass

mass = n × M, M = molar mass

n = 1 mol in each case

Higher the molar mass, greater is the mass of the compound. The molar mass of N₂O₅ is greatest of all other cases. It will have greatest mass.

The article aims to highlight the most recent improvements in the PCET procedures for electrocatalysis at clearly characterized electrode–electrolyte interfaces.

Aim : Here, we focus on the most recent developments in the PCET methods for electrocatalysis at clearly defined electrode–electrolyte interfaces.

Method: Since the groundbreaking and ongoing studies made by Frumkin and his colleagues initiated in the 1930s, non-covalent interaction, which is controlled by the cation/anion features, is known to play a crucial role in the interfacial water and adsorbate environments correlated to electrode–electrolyte catalytic properties.

The microscopic perspective of this interaction is still a significant scientific mystery, nevertheless. Recent research based on the well-defined surface and solid-liquid interfacial structure of single-crystal model electrodes revealed novel characteristics of the cation effect.

Practical usage: Designing high-performance electrode and electrolyte materials requires an understanding of the roles played by the electrical double layer (EDL) structure in proton-coupled electron transfer (PCET) electrode processes.

Learn more about  electrode–electrolyte here:

https://brainly.com/question/10427575

#SPJ4

Its distance above the ground at that instant is approximately 0.600 meters.

To find the distance above the ground at this instant, we need to calculate the potential energy of the particle and then use the formula for potential energy to find the height. Here's the solution:

1. Total mechanical energy (E) = 73.4 J
2. Kinetic energy (KE) = 55.7 J

Since the total mechanical energy is the sum of kinetic and potential energies, we can find the potential energy (PE):

3. Potential energy (PE) = E - KE = 73.4 J - 55.7 J = 17.7 J

Now we can use the formula for potential energy to find the height (h):

4. PE = m * g * h, where m is the mass, g is the acceleration due to gravity (approximately 9.81 m/s²), and h is the height above the ground.

Rearranging the formula for height:

5. h = PE / (m * g) = 17.7 J / (3.00 kg * 9.81 m/s²) ≈ 0.600 m

So, the particle is approximately 0.600 meters above the ground at this instant.

Learn more about potential energy here: https://brainly.com/question/30692819

#SPJ11

Answer:

All of these answers are correct.

Explanation:

They are all correct because producers make their food(energy) through photosynthesis, they provide food to herbivores and therefore the rest of the food chain, and without them, the food chain would collapse and all the consumers would starve.

To determine the molar solubility of BaF2 in a solution containing 0.0750 M LiF, we need to use the common ion effect.

First, we need to write the balanced equation for the dissolution of BaF2:

BaF2(s) ⇌ Ba2+(aq) + 2F-(aq)

The Ksp expression for BaF2 is:

Ksp = [Ba2+][F-]2

We are given that Ksp = 1.7 × 10^-6.

Next, we need to consider the effect of the added LiF on the solubility of BaF2. Since LiF also contains F- ions, it will shift the equilibrium to the left, decreasing the solubility of BaF2.

Let's assume that x moles of BaF2 dissolve in the presence of 0.0750 M LiF. Then, the equilibrium concentrations of Ba2+ and F- will be:

[Ba2+] = x
[F-] = 2x + 0.0750

We can substitute these into the Ksp expression and solve for x:

1.7 × 10^-6 = x(2x + 0.0750)2

Solving this quadratic equation gives us:

x = 8.5 × 10^-7 M

Therefore, the molar solubility of BaF2 in a solution containing 0.0750 M LiF is option B) 8.5 × 10^-7 M.

For more questions on molar solubility : https://brainly.com/question/28202068

#SPJ11

Answer:

Bro its expired milk duh

Explanation:

Answer:

Getting carried down a moutain side or a cliff and they are relocated.

Explanation:

Glaciers are responsible for moving rocks from one place to another

The half life is 0.47906yr

The uncertainty principle governs radioactive decay, making it impossible to predict with precision when a given nucleus will split apart and release a particle.

However, we can estimate the likelihood that a nucleus will dissolve in a specific amount of time.

We can foretell what portion of a huge number of nuclei will dissolve during that time.

Regardless of the isotope's quantity, this fraction will fluctuate based on each isotope's stability.

Alternatively, we can consider the issue in terms of how long it will take a specific fraction of an isotope to dissociate.

We have r0 = 6608 min–1 g–1, while r = 2932  min–1 g–1, and t = 7.29 days. Substituting into

we then have

ln r/r0 = −0.693*t / t1/2

ln (2932/6603) = -0.693 * 7.29 / t1/2

ln (0.44404) = -0.693*7.29/t1/2

t1/2 = (-0.693/-0.8118) * 7.29days

t1/2= 0.8536*7.29days

1yr = 28.1yrs

0.0199yr (7.29days)  = 0.56123yr

t1/2 = 0.8536*0.56123

Half Life = 0.47906yr.

Hence the half life is 0.47906yr

Learn more about Half life here

https://brainly.com/question/25750315

#SPJ4

The acceleration of the objection is 0.9375 m/s² if the players still push with a force of 150 N.

From the formula:

F = ma

a = F/m

a = 150/160

a = 0.9375 m/s²

Thus, the acceleration of the object is 0.9375 m/s² if the players still push with a force of 150 N.

The word 'force' has a very precise meaning. Force can be described as push or a pull. A force is not something that an object contains or has in it. A force is exerted on one object by another. The idea of a force is not confined to living things or non-living things.

The SI unit of force is the newton, symbolised as N. The base units suitable to force are: metre, unit of length — symbol m. The kilogram, unit of mass — symbol kg. The second, unit of time — symbol s.

To know more about Force, visit:

https://brainly.com/question/13191643

#SPJ4

The acceleration of the objection is 0.9375 m/s² if the players still push with a force of 150 N.

The word 'force' has a very precise meaning. Force can be described as push or a pull. A force is not something that an object contains or has in it. A force is exerted on one object by another. The idea of a force is not confined to living things or non-living things.

From the formula:

F = ma

a = F/m

a = 150/160

a = 0.9375 m/s²

Thus, the acceleration of the object is 0.9375 m/s² if the players still push with a force of 150 N.

To know more about acceleration visit :-

https://brainly.com/question/3046924

#SPJ1

Answer:D

Explanation:

Answer:

79

Explanation:

This is the answer I نخل جکڑ disparity disguising

Answer:

A) An oxygen atom shares an electron pair with each H atom.

Explanation:

Answer:

Ch4 have the lowest boiling point.

Answer  usually expressed In the units of the last Qrder of the value of the ... one, two or three significant figures, we find the value of the root in the tn ... The numbers in the table can be regarded as the right-hand ... 1.63 5.1039 0.1959.

Explanation: I hope this helps <3

The slope of a titration curve represents the rate at which pH changes with respect to the concentration of the acid or base being titrated. The slope is steeper for stronger acids and flatter for weaker acids.

This means that for the strongest acid, a small change in concentration results in a larger change in pH compared to the weakest acid.
The relationship between pH and concentration is inversely proportional, meaning as the concentration of an acid or base increases, the pH decreases. This relationship is evident in the titration curves where the steeper slope for stronger acids indicates a faster decrease in pH with increasing concentration, while the flatter slope for weaker acids indicates a slower decrease in pH with increasing concentration.
In summary, the slope of the titration curve for the strongest acid is steeper compared to the weakest acid, indicating a faster change in pH with increasing concentration. This relationship reflects the inverse proportionality between pH and concentration, where stronger acids have lower pH values due to their higher concentrations.

learn more about titration

https://brainly.com/question/31271061

#SPJ11

When both parents shared different traits either it will be heterogeneous or homogenous traits,in that case offspring traits neither belongs to parents.However,chances are very that traits of children neither belongs to parents.

Unaffected parents can create impacted offsprings assuming that the two guardians are transporters (heterozygous) for the attribute being followed in the family. Latent traits are normally not communicated in each age. Finally, guys and females are similarly prone to communicate a latently acquired characteristic.

In the event that the latent characteristic is more than prevailing, the recessive traits will really become predominant and the predominant attribute will become recessive.Recessive alleles are meant by a lowercase letter (a versus A). Just people with an aa genotype will communicate a latent characteristic; consequently, posterity should get one passive allele from each parent to display a latent traits.

To know more about traits,visit here:

https://brainly.com/question/16307346

#SPJ4

The conclusion I may draw is that the density of an object is proportional of its mass and the volume that occupies, because both metal has a density of 4 g/ mL

The density of an object is the relation that exist between the mass and the space that the object occupies and we can confirm it using the general formula of the density with the information of the problem:

Density formula:

ρ = m/v

Where:

Information about the problem:

Applying the density formula we get:

ρ₁ = m₁/v₁

ρ₁ = 80 g / 20 mL

ρ₁ = 4 g/ mL

ρ₂ = m₂/v₂

ρ₂ = 56 g / 14 mL

ρ₂ = 4 g/ mL

Both metals have the same density, so it depends on the mass and the space that each metal occupies.

It is a physical quantity that expresses the ratio of the body mass to the volume it occupies.

Learn more about density in: brainly.com/question/1354972

#SPJ4

Explanation:

No observable change because nitrogen is an inert gas...

False. An electrolytic cell is an electrochemical cell in which an external electric current is used to drive a non-spontaneous redox reaction. In contrast, a galvanic or voltaic cell is an electrochemical cell in which a spontaneous redox reaction generates an electric current.

The process involves applying an external voltage to drive an otherwise non-spontaneous reaction, resulting in a flow of electrons through the external circuit. In an electrolytic cell, the anode is the electrode at which oxidation occurs, while the cathode is the electrode at which reduction occurs. The electrolyte solution contains ions that are reduced or oxidized at the electrodes. Electrolytic cells are used in various industrial processes, such as the production of metals and the purification of substances.

Find out more about electrolytic cell

brainly.com/question/31355338

#SPJ4

Answer:

fractionao distillation of two colourless liquids

Answer:

wavelength = 6 cm .

Explanation:

frequency given = 5 x 10⁹ .

wavelength = velocity of light / frequency

= 3 x 10⁸ / 5 x 10⁹

= .06 m

= 6 cm

Answer:

Impure substances tend to have a slightly lower melting point than the pure substance.

Explanation:

Answer:

No it is not a physics because in this there is about classification of element so it is in chemistry that's why it is not physics.

Answer:

1) 60°

2) 60°

3) 45°

4) E

5)90°

6) E