draw the two major products of this reaction BH3​−THF2.H2​O2​,NaOH,H2​O. use wedge and dash bonds to indicate stereochemistry where appropriate

The frequency of a red laser that has a wavelength of 676 nm would be 4.43 x \(10^{14\) hertz.

The frequency and wavelength of a wave are related by the following equation:

λf = c

Where λ is the wavelength of the wave in meters, f is the frequency in Hertz, and c is the speed of light in a vacuum.

in this case, λ = 676 nm = 6.76 x \(10^{-7\) m

c = 299,792,458 m/s

Making f the subject of the formula:

f = c/λ

  = 299,792,458/6.76 x \(10^{-7\)

  = 4.43 x \(10^{14\) hertz

In other words, the frequency of a red laser that has a wavelength of 676 nm would be 4.43 x \(10^{14\) hertz.

More on waves can be found here: https://brainly.com/question/29334933

#SPJ1

Answer:

2 nitrogen and oxygen+ nitrogen 2

Answer:

2H+(aq) is the net ionic equation.

Answer:

Because: The mixtures contain unwanted substances which may be harmful and may degrade the properties of mixtures. So we, need to separated them and extract useful substances.

Answer:

The composition of the mixture is very important, as a result of nature exists solely by its properties, and also the reactions may be separated.

Answer:

In organic chemistry, a homologous series is a sequence of compounds with the same functional group and similar chemical properties in which the members of the series can be branched or unbranched, or differ by -CH2.

Explanation:

brainliest plz

Answer:

Convection

Explanation:

What are the three types of heat transfer? Conduction, Convection, and Radiation. Conduction would be like touching a hot piece of metal (think of it like conducting electricity except it's heat). Convection is like this example where the hot water on the bottom rises because it is lighter in weight (the same reason a hot air balloon raises) and is cooled at the top which makes it heavy so it sinks down. This happens in a boiling pot of water, the earth, and the sun. Radiation is like light energy from standing in sunshine or near a fire.

Answer:

If you have genetic variation then a community is more likely to survive because the population is more likely to have individuals who are fine if there are environmental changes. Then natural selection will happen and the species will evolve to he adapted to the new environment. If everyone in a population has the same genetics, than one thing could take them all out.

Answer:

Explanation:

P.E=M*G*H

P.E=250*10*295

P.E=737,500J

Answer:

The study population is the subset of the target population available for study (e.g. schizophrenics in the researcher's town). The study sample is the sample chosen from the study population.

Explanation:

In research terminology the Population can be explain as a comprehensive group of individuals, institutions, objects and so forth with have a common characteristics that are the interest of a researcher. Any value which is identified or measured from the characteristics of entire population can be called as Parameter.

Removing a parallel circuit won't stop the circuit from working, but it won't be a good idea to remove that component as it would not allow current to flow through the circuit when an equal amount of current is passed through the circuit.

Parallel Circuit                  

All components in a parallel circuit are connected to the same electrical nodes. Since all parallel components share the same voltage, the total current is equal to the sum of all the branch currents.

When one pathway is blocked, electricity continues to flow in a parallel circuit. Multiple-bulb lighting fixtures is the most common example. The light fixture functions even if just one of the fixture's bulbs fails.

To read more about parallel circuit refer to:

brainly.com/question/12069231      

#SPJ4

Gold cannot replace Magnesium from a compound as gold is placed lowest in the reactivity series of metals. It won't even react with the compound let alone replace it. Gold has great ductile strength and malleability.

 Features of Reactivity Series of Metals

Therefore Gold cannot replace Magnesium from a compound as it is the least reactive metal and therefore, comes lower than Magnesium in the reactivity series

Learn about reactivity series

https://brainly.com/question/15304384

Answer:

2, 15, 12, 6.

Explanation:

Answer: 2.00

Explanation:

2 rounded to the nearest hundredth is 2.00

your welcome :)

answers for all three:

1. 4.00

2. 16.04

3. 2.00

Tertiary or intermediate colors can be created from color mixing.

In a particular color system like RGB, CMYK (more modern), or RYB[2], a tertiary color or intermediate color is created by combining complete intensity of one primary color with half saturation of another primary color and none of a third primary color (traditional).

For the RGB color wheel and the RYB color wheel, tertiary hues have generic names that vary slightly. The following titles are displayed. Another meaning of tertiary color is offered by color theorists like Moses Harris  and Josef Albers , who propose that tertiary colors are produced by combining complimentary colors or sets of secondary colors, such as orange-green, green-purple, and purple-orange.

Learn more about  Tertiary Colors

https://brainly.com/question/15007803

#SPJ1

Answer: The answer is C- comets!                                                                            

Explanation:  Callisto is composed mainly of rock and water ice, although other ices like ammonia ice and carbon dioxide ice may be present. Water ice occurs at the surface of Callisto so it would be comets.

Thermoluminescence can date sediments and rocks directly

Radiocarbon dating, also known as carbon-14 dating, is a technique used to estimate the age of carbon-containing materials that have been preserved in the last 50,000 years. It is widely used in geology, archaeology, and paleontology.The theory behind carbon dating is straightforward: living organisms absorb carbon from their environment and use it to create new organic compounds. Carbon-14 is a radioactive isotope of carbon that is absorbed by organisms at the same rate as ordinary carbon. Carbon-14 decays at a constant rate, and measuring the amount of carbon-14 in a sample can provide an estimate of how long it has been since the organism died or the carbon-containing material was formed.

Thermoluminescence (TL) dating, on the other hand, is a technique used to date sediments and rocks directly. It is based on the fact that when rocks are heated, they emit light energy. This light energy is trapped within the crystal structure of the rock, and over time, it accumulates. By measuring the amount of light energy trapped within a sample, scientists can estimate how long it has been since the sample was last heated.

Learn more about radiocarbon dating : https://brainly.com/question/11397015

#SPJ11

Answer:

d . a and b are correct

Explanation:

The law of superposition allows us to determine the age of rock layers and also that of the fossils within them.

The law of superposition states that "in an undeformed sequence of strata, the oldest rock layer is at the bottom and the youngest is on top".

47. True.In the small intestine, chylomicrons, which are large lipoprotein particles, are indeed picked up by lymphatic vessels called lacteals. Chylomicrons contain dietary fats (triglycerides) and are responsible for transporting these fats from the small intestine to the lymphatic system and eventually to the bloodstream.

On the other hand, simple sugars and amino acids, which result from the digestion of carbohydrates and proteins, respectively, are directly absorbed into the bloodstream through the small intestine's capillaries. They do not require the lymphatic system for transport and enter the blood directly.

48.True.Cytosol is indeed the intracellular fluid present within the cytoplasm of cells. It is a gel-like substance that surrounds the organelles and other cellular structures. Cytosol consists of water, ions, small molecules, and various proteins that are dissolved or suspended within it. It plays a crucial role in cellular metabolism, transport of molecules, and the overall functioning of the cell.

To know more about   intracellular , visit;

https://brainly.com/question/14445684

#SPJ11

Answer:

lewis structures :

Explanation:

4 electrons

6 electrons outer shell

3 outer shell

2 outer shell

7 outer shell

1 outer shell.

v

The most common way of preventing bumping is by adding one or two boiling chips to the reaction vessel. However, these alone may not prevent bumping and for this reason it is advisable to boil liquids in a boiling tube, a boiling flask, or an Erlenmeyer flask.

Formation of precipitate/colored complex, gas evolution, pH change.Ions that do not participate in a reaction and remain unchanged are called spectator ions.

At the point when two arrangements are blended during subjective inorganic investigation, there are a few perceptions that can show the event of a response. One perception is the development of an encourage or a hued complex, which can be a sign of the development of another compound because of a substance response.

One more perception is the development of gas, which can happen because of the arrival of gas from a reactant, for example, the creation of carbon dioxide gas from the response of a corrosive with a carbonate or bicarbonate.

Furthermore, an adjustment of the pH of the arrangement can likewise show the event of a response, as acidic or fundamental arrangements can influence the dissolvability and reactivity of particles.

Onlooker particles are particles that don't partake in a compound response and stay unaltered all through the response. These particles can be available in an answer when a response, however they don't influence the result of the response or respond with different particles.

At the end of the day, observer particles are not engaged with the substance condition for the response and are thusly excluded while composing a net ionic condition.

An illustration of an onlooker particle is a metal cation in an answer of an ionic compound that stays unaltered when the compound responds with a corrosive, delivering an alternate ionic compound and water. The metal cation isn't engaged with the response and is viewed as an observer particle.

Onlooker particles are essential to consider in subjective inorganic examination since they can influence the dissolvability and reactivity of particles in an answer, however they don't add to the distinguishing proof of particles present in an example.

To learn more about spectator ions, refer:

https://brainly.com/question/20355041

#SPJ4

Answer:

300,000 years

Explanation:

100g=0 years

50g=100,00 years

25g=200,00 years

12.5g=300,000 years

The first permanent European settlement on future United States soil was established in 1565 at St. Augustine, Florida.

The Spanish established the settlement, which served as a military outpost and a center for trade and colonization in the region. The settlement was founded by Don Pedro Menéndez de Avilés, a Spanish explorer and governor, and it is considered to be the oldest continuously inhabited European-established settlement in the United States. The settlement played a significant role in the history of the United States and the development of the region, and it continues to be an important cultural and historical site today.

The Spanish established the first permanent European settlement on future United States soil at St. Augustine, Florida in 1565. The settlement was founded by Don Pedro Menéndez de Avilés, a Spanish explorer and governor, who led a group of settlers to the region in search of a new location for a Spanish colony. The settlement was established as a military outpost and a center for trade and colonization, and it played a significant role in the history of the United States and the development of the region.

Learn more about European settlement Visit: brainly.com/question/28746014

#SPJ4

The chlorine element is present in group 7.

The elements which has 7 valence electrons , is kept in group 7.

1) Chlorine (Cl):

The atomic number of chlorine is 17 and its electronic configuration is 2,8,7. It has 7 valence electrons. Hence, it will be kept in group 7.

2) Oxygen (O):

The atomic number of oxygen is 8 and its electronic configuration is 2,6.

It has 6 valence electrons. Hence, it will be kept in group 6.

3) Lithium (Li)

The atomic number of chlorine is 3 and its electronic configuration is 2,1. It has 1 valence electrons. Hence, it will be kept in group 1.

4) Calcium (Ca):

The atomic number of calcium is 20 and its electronic configuration is 2,8,8,2. It has 2 valence electrons. Hence, it will be kept in group 2.

Therefore, chlorine element will be kept in group 7.

To know more about element

https://brainly.com/question/1513999

#SPJ1

Answer:

It's simple substitution reaction and there is no balance for the equation. It's right written.

Explanation:

Answer:

Hi there

Thermal Energy and Chemical Reactions

The device controlled the activation as shown by the water holding room temperature for 15 seconds until activation by crushing the pills. The temperature rose 30° over two minutes,showing a measurable exothermic reaction from the Calcium Chloride dissolving in the water.

Pour 5mL water in a quart bag

Place Thermometer in the bag to make contact

Fill two gelatin 000 capsules with 1 gram of Calcium Chloride

Place capsules into the bag

Wait 15 seconds to crush the capsules while they are submerged in the water

-Temperature

0 seconds 75 degrees

15 seconds - Activation 75 degrees

30 seconds 85 degrees

60 seconds 95 degrees

90 seconds 104 degrees

120 seconds 105 degrees

Conclusion: During a reaction, thermal energy from the environment is converted into chemical energy stored in the products.

Brainliest plz

Answer:

D - combining it's potential energy with it's kinetic energy