what is a good use of 385 protocol in English​

Answers

Answer 1

Answer:

375

Explanation:


Related Questions

A chemist who frequently carries out a complex experiment is
likely to have high:
a. Precision, but low accuracy
b. Precision
c.Accuracy, but low precision
d.Accuracy

Answers

Answer:

c.

Explanation:

This is because the chemist will get the average of the experiment from multiple attempts but not precision because the experiment is complex rather than simple.

The chemist will most likely have high accuracy, but low precision. A

chemist who has been performing experiments frequently will be accurate

when taking the required measurements for the experiment due to the

frequency.

Precision however won't be affected because precision deals with how

close his results from the experiment are. The complexity of the

experiment and the different variables used makes him likely to have low

precision.

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Why is it important to possess fundamental research skills in pursuing your study?

Answers

Answer:

Research Skills enable people to identify a problem, collect informational resources that can help address the problem, evaluate these resources for quality and relevance and come up with an effective solution to the problem.

Explanation:

It is important because it might increase you critical thinking skills and it's much more easy for you to collect data. It also helps you analyze information from different sources off the internet.

How many electrons does an alpha particle contain

Answers

An alpha particle is identical to a helium atom that has been stripped of its two electrons

How are valence electrons and ionization energy related?

Answers

Ionization energy is correlated with the strength of attraction between the positively-charged nucleus and the negatively-charged valence electrons. The higher the ionization energy, the stronger the attractive force between nucleus and valence electrons, and the more energy is required to remove a valence electron.

suitable electrolytes for fuel cells​

Answers

Answer:

Alkaline fuel cells use an alkaline electrolyte such as potassium hydroxide or an alkaline membrane that conducts hydroxide ions rather than protons.

Explanation:

OR USE GATORADE AND POWERADE. BE A MAN.

Pls help me, I’ll give 30 points

Answers

The amplitude increases

i need help TnT

do you think someday human beings will become extinct also because of diseases and pandemics?

What program or projects you would like to propose to avoid the extinction of human beings to happen?

Write your advocacy program or projects on the space provided below. (You may state your answers with a minimum of 5 sentences in a paragraph or bulleted paragraph form). *​​​

Answers

Explanation:

I don't think human beings will ever extinct

cause they are smart and adaptive

in MY OPINION

Q1. I don't know the future but I would say that Humans will not become extinct because of diseases and pandemics.

I need help with this

Answers

1. 26
2. 115
THIS IS TO REACH 20 CHARACTERS
1. 26
2. 115

I hope this helps:)

THIS IS DUE LIKE REALLY SOON I RLLY NEED HELP :,)

Answers

double displacement

Why and how does heat transfer? When does it stop transferring?

Answers

The transfer of heat will continue as long as there is a difference in temperature between the two locations. Once the two locations have reached the same temperature, thermal equilibrium is established and the heat transfer stops.

Heat is transferred from a warm body to a cooler body. The temperature of the warm body drops while the temperature of the cooler body rises. When the two temperatures are equal, thermal equilibrium is attained, and the heat transfer stops.

density is 6g/mL and volume is 40 mL what is the mass

Answers

Answer:

240g

Explanation:

Using the equation m=pV, where m=mass, p=density, and V=Volume

m=(6)(40)=240

m=240

What’s boiling/melting point

Answers

Answer:

Melting point is the temperature at which solid and liquid phases of a substance are in equilibrium.

Boiling point is the temperature at which its vapour pressure is equal to the external pressure.

Answer:

melting point is the temperature at which a solid changes into a liquid.  

boiling point, temperature at which the pressure exerted by the surroundings upon a liquid is equaled by the pressure

Explanation:

Which of the following correctly completes the statement?
Cations are always _____ than the parent atom and anions are always _____ than the parent atom.

Answers

Answer: smaller, larger

Explanation:

Cations are always {smaller} than the parent atom. Anions are always {larger} than the parent atom.

Cations are always smaller than the parent atom, and anions are always greater than the parent atom.

What is parent atom ?

The term "parent atom" refers to an atom that has not yet undergone any chemical transformation. A parent atom is one that is discovered in its initial state.

Because they contain fewer electrons while maintaining the same nuclear charge, cations are always smaller than their parent atoms. Because the protons in the nucleus are holding the remaining electrons more tightly, their radii are less than those of the parent atoms. In the case of anion, this is the opposite.

Due to variations in electron-electron repulsion, the ionic radii of cations and anions are always less or bigger than the parent atom, respectively. The trends in ionic radius follow those in atomic size.

Thus, Cations are always smaller than the parent atom, and anions are always greater than the parent atom.

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What does it mean for a unit to be "derived"?

Answers

Answer:

you differentiate to find the derivative

Explanation:

Answer:

A derived unit is a unit that results from a mathematical combination of SI base units.

OR

A unit of measurement obtained by multiplication or division of the base units of a system without the introduction of numerical factors.

Explanation:

i dont know if that answered your question

the basic fact that determines molecular shapes is that

Answers

Answer:

The shape of a molecule is mostly determined by repulsion among the pairs of electrons around a central atom.

Suppose you discovered a Group 2 element that has an atomic number larger than radium (Ra). What do you expect the melting and boiling points to be? Explain.

Answers

Answer: The melting point would be lower and the boiling point would be higher

Explanation: From Beryllium to Barium the melting point and the boiling point were constantly decreasing. after that, Radium's boiling point starts to increase in temperature. So I would assume that if there was an element in group 2 with a higher atomic number than Radium it's melting point would continue decreasing while the boiling point increased.

When, we discovered a Group 2 element having an atomic number larger than radium (Ra). Then, we expect that the melting and boiling points of Group 2 elements generally decrease as you move down the group. This is because the outermost electrons are farther from the nucleus due to the increased number of electron shells.

Group 2 elements are alkaline earth metals, and they exhibit certain trends in their physical properties as you move down the group in the periodic table. Radium (Ra) is the last naturally occurring element in Group 2. If we discover a hypothetical Group 2 element with an atomic number larger than radium, it would likely be an artificially synthesized element, and its properties would be subject to speculation.

As we move down Group 2, the atomic number increases, and the elements have more electron shells. This leads to several trends:

Melting and Boiling Points:

The melting and boiling points of Group 2 elements generally decrease as you move down the group. This is because the outermost electrons are farther from the nucleus due to the increased number of electron shells. As a result, the metallic bonds that hold the atoms together weaken, making it easier to break the lattice structure and transition from solid to liquid or gas.

If the hypothetical Group 2 element has an atomic number larger than radium, it would likely have more electron shells and thus a lower melting and boiling point compared to radium. This trend follows the pattern observed in other Group 2 elements.

Density:

Group 2 elements also tend to become less dense as you move down the group. This is because the increase in electron shells leads to larger atomic sizes, and the increased atomic volume decreases the packing efficiency in the solid state.

A Group 2 element with an atomic number larger than radium would likely have a lower density than radium, following the trend observed in the rest of the group.

Reactivity:

Group 2 elements become more reactive as you move down the group. This is because the outermost electrons are farther from the nucleus and are more easily lost, leading to more vigorous chemical reactions, especially with water and oxygen.

The hypothetical Group 2 element might exhibit increased reactivity compared to radium and other elements in the group.

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Which of the tests would involve a chemical change in the mineral?

Answers

hmmm water

Explanation:

Water can change if you put food coloring

in it

What is the mass of phosphorus that contains twice the number of atoms found in 14
g of iron?
[Relative atomic mass : P = 31; Fe = 56]

Answers

Answer:

15.5 gm

Explanation:

What is the mass of phosphorus that contains twice the number of atoms found in 14 g of iron?

[Relative atomic mass : P = 31; Fe = 56]

14 gm Fe = 14gm/ 56 gm/mole = 14 mole gm/56gm = 14/56 mole

0.25 moles

2 X 0.25 = 0.5 moles

1 mole P = 31 gm

so

0.5 moles P =31/2 =15.5 gm

Based on their definitions, electron affinity could be considered the opposite of

Answers

Based on their definitions, electron affinity could be considered the opposite of electron affinity. This is the force required to remove an electron from an atom while it is gaseous, or the propensity of an atom to lose electrons.

What is meant by electron?

The electron is a subatomic particle with a negative one elementary charge electric charge. Due to their lack of components or substructure, electrons, which are part of the lepton particle family's first generation, are typically regarded to be elementary particles.

An electron is a negatively charged subatomic particle that can exist either free or bound to an atom (not bound). Along with protons and neutrons, electrons are one of the three primary types of particles that make up an atom. Together, protons, neutrons, and electrons make up the atom's nucleus.

This is the force required to remove an electron from an atom while it is gaseous, or the propensity of an atom to lose electrons. Conceptually, this is the polar opposite of electron affinity.

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The answer would be ionization energy

3. Which part of a cell is not found in the cytoplasm?
a. chromosomes
b. Golgi body
c. ribosome
d. vacuole

Answers

Answer:

vacuole

Explanation:

Brainliest please

a 50.0 ml beaker contains 680. g mercury what is the density of mercury

Answers

Answer:

5.43 grams

Explanation:

because, Its one of the smallest planets, and is also very close to the Sun.


Which two options are examples of chemical changes?

Answers

Answer:

gas and liquid ;-;

Explanation:

correct me if im wrong

What compound is this?

Answers

Answer:

Carbon Tetrachloride

Explanation:

1 Carbon atom, 4 chlorine atoms (hence "tetra" prefix)

Sulphuric acid (H2SO4) is titrated against 25.00cm3 of 0.200 mol/dm3 Sodium hydroxide solution (NaOH). It is found that 23.20 cm3 of sulphuric acid is required for neutralization. Calculate the concentration of Sulphuric acid

Answers

My answer,
Approximately 0.108 mol dm^-3

Explanations,
1. Make the balance chemical equation
2. Convert the 25 cm^3 to 0.025 dm^3 by multiplying 25 with 10^-3 (or 25 / 1000)
3. Concentration is equal to = moles of substance over volume of solution
4. Calculate how many number of moles present in 0.025dm^3 of sulphuric acid.

Mole = concentration x volume
^ rearranged from conc = mole/volume

Mole = 0.200 x 0.025 = 0.005 mol

5. Use the balance chemical equation ad mole ratio. In this case,

H2SO4 + 2NaOH —> 2H2O + Na2(SO4)

Thus the ratio between Sulphuric acid and Sodium Hydroxide is 1:2

Hence, the mole of H2SO4 is 0.005/2 = 0.0025 mol

6. Calculate the concentration of the sulphuric acid by using conc. = mole/volume

Hence the answer is 0.0025/(23.20 x 10^-3) = 0.108 mol dm^-3 rounded off at the 3 Sigfigs

I hope u understand sorry for any mistakes done.

Who know the answers for both of these or know were to get them from

Answers

Answer:

kdkekejdjejeneneenendjenejekeke do do do do do do d

Answer:

go ahead bro

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(Boost your knowledge questions)
1. Can you light Diamond on fire?

2. What is the difference between a Chemical Process and a Physical Process?

3. How many electrons fit in each shell around an atom?​

Answers

Answer:

a) Diamond can indeed be set on fire since it is made of carbon. ... Although diamond requires a higher temperature to burn, it does indeed burn via normal carbon combustion. You can even burn diamond in a regular flame if you are patient and conditions are right.

b) In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed. The distinction between physical and chemical change is not clear cut.

c) Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. The general formula is that the nth shell can in principle hold up to 2(n2) electrons.

MARK ME AS A BRAINLIST PLZ

1) What is the most dangerous room in the world? How is it secured?

Answers

Answer:

Radioactive Basement in Chernobyl

"We had to be especially cautious near roads and in the city of Pripyat, there are regular security patrols in those areas. Unfortunately, the legal 'day' tours are not allowed to enter any of the buildings in Pripyat as the structural integrity of some buildings is questionable."

Explanation:

Kinda confused on this. i need some help.​

Answers

Balancing chemical equations is like a small puzzle. The ultimate goal is to end up with the same number of atoms on both sides of the arrow.

To start, check to make sure it isn’t already balanced. If coefficients aren’t present, it’s assumed to be one. In this case, there’s just one aluminum on both sides, but the right hand side has one more fluorine than the left. This means that we’ll have to change the coefficients to make them match. Since we can’t multiply the two fluorines to make three with a whole number, we have to change this one and the one in front of the aluminum fluoride. Let’s put a 3 in front of F2 and a 2 in front of AlF3. So far, we have:

Al + 3F2 -> 2AlF3

Check the number of fluorines; sure enough, we have six on both sides. However, we’ve imbalanced the aluminums by balancing the fluorines. The fix is easy, though; change the coefficient from one to two in front of the aluminum to make them match. The result is therefore:

2Al + 3F2 -> 2AlF3

Check your element totals again; sure enough, they’re all balanced. This is the balanced chemical equation.

Hope this helps!

The primary way in which the amount of carbon dioxide in the atmosphere can be increased is by ____.

Answers

the burning of fossil fuels

A 12.0 L helium balloon is inflated in an air-conditioned store at 21.0C. Assuming that the pressure remains constant, how large is the balloon when it is taken outside on a hot day at 40.0C?

Answers

The ballon will be 22.86L large when it is taken outside on a hot day at 40⁰C

According to pressure law, the volume of a given mass of gas is directly proportional to the temperature. This is expressed as:

V = kT

k = V1/T1 = V2/T2

Given the following parameters

V1 = 12.0L

T1 = 21⁰C

T2 = 40.0⁰C

Required

Final volume

Substitute the given parameters into the formula

12/21 = V₂/40

21V₂ = 12 * 40

21V₂ = 480

V₂ = 480/21

V₂ = 22.86L

Hence the ballon will be 22.86L large when it is taken outside on a hot day at 40⁰C.

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