describe what the isotopes of an element have in common and how are they different.

Answers

Answer 1

Answer:

Isotopes of an element are atoms of the same element that have different number of neutrons.

Describe What The Isotopes Of An Element Have In Common And How Are They Different.
Answer 2
Yea what she said^^^^^

Related Questions

Camk1 and camk2 are in the same gene family. camk1 is a kinase that phosphorylates target proteins in the cytosol. what can you infer about camk2?

Answers

Based on the information provided, we can infer that camk2 is also a kinase, since it belongs to the same gene family as camk1. Camk2 is likely to have a similar function as camk1, which is phosphorylating target proteins in the cytosol.



Gene families are groups of genes that share a common ancestry and have similar functions. Since camk1 and camk2 are in the same gene family, they are likely to have similar characteristics and functions. Camk1 is specifically mentioned as a kinase that phosphorylates target proteins in the cytosol.

Therefore, it is reasonable to infer that camk2, being in the same gene family, would also be a kinase and have a similar function of phosphorylating target proteins in the cytosol. In summary, camk2 is inferred to be a kinase that phosphorylates target proteins in the cytosol, similar to camk1.

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Ammonia NH3 chemically reacts with oxygen gas O2 to produce nitric oxide NO and water H2O.
What mass of water is produced by the reaction of 6.5g of ammonia?

Round your answer to 2 significant digits.

Answers

The stoichiometric coefficient is used here to determine the mass of water produced. Here we use the ratios from the balanced equation to calculate the amount of a substance. The mass of water is 10.30 g.

Stoichiometry is an important concept which use the balanced equation to determine the amounts of reactants and products.

Here the balanced equation is:

4NH₃ + 5O₂ → 4NO + 6H₂O

Molar mass of NH₃ = 17.031

Mass of NH₃ from equation = 4 ×  17.031 = 68.124 g

Molar mass of H₂O = 18 g/mol

Mass of H₂O from the balanced equation = 6 × 18 = 108 g

6.5 g of NH₃ produce, 6.5 × 108 / 68.124 = 10.30 g

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How often do girls normally experience menstruation a.once every 30 days b. once every 29 c.once every 28 d.once every 27


pa sagot po pls .pag na sagot nyo bibigyan ko kayo ng 5 point stars and heart .promise po basta pasagot lang po ​

Answers

Answer:

i think answer is a, every 30 days

Answer:

Once every 28 days

Explanation:

I am not 100% sure because i am not female but i do remember that in my health class it said it was once every 28 days

True or False? In the quantum model of the atom, with its s, p & d orbitals, these circles represent the paths on which the electrons travel as they go around the nucleus

Please i am being timed please help

True or False? In the quantum model of the atom, with its s, p & d orbitals, these circles represent

Answers

I believe its true thats amp d orbitals since its a quantum model

Are there Muslims?
For Muslims

Are there Muslims?For Muslims

Answers

Answer:

there are Muslims i am also a Muslim

Explanation:

Answer:

i am muslim! waaleikumassaslam

Explanation:

This type of bonding can be described as a "cooperation" A. lonic B. metallic C. covalent​

Answers

Answer:

Covalent

Explanation:

C. Covalent

The type of bonding which  can be described as a "cooperation" is covalent bonding as there is sharing of electrons.

What is covalent bonding?

Covalent bonding is defined as a type of bonding which is formed by the mutual sharing of electrons to form electron pairs between the two atoms.These electron pairs are called as bonding pairs or shared pair of electrons.

Due to the sharing of valence electrons , the atoms are able to achieve a stable electronic configuration . Covalent bonding involves many types of interactions like σ bonding,π bonding ,metal-to-metal bonding ,etc.

Sigma bonds are the strongest covalent bonds while the pi bonds are weaker covalent bonds .Covalent bonds are affected by electronegativities of the atoms present in the molecules.Compounds having covalent bonds have lower melting points as compared to those with ionic bonds.

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Arrange the following compounds from lowest vapor pressure to highest vapor pressure.a. H2O b. CHCI3c. CS2

Answers

The higher the boiling point lower will be the vapor pressure. Thus, the correct order of vapor pressure is \(H_{2}O\) < \(CHCL_{2}\) < \(CS_{2}\).

The boiling factor of a substance is the temperature at which the vapor strain of a liquid equals the stress surrounding the liquid and the liquid modifications right into a vapor. The boiling point of a liquid varies depending on the encompassing environmental stress.

The boiling point for any material is the temperature point at which the fabric transforms into the gas segment in the liquid phase. This happens at a hundred ranges centigrade for water. The boiling point of a pure substance is the temperature at which the substance transitions from a liquid to the gaseous segment. At this point, the vapor stress of the liquid is equal to the implemented stress of the liquid. The boiling point at a strain of 1 ecosystem is known as the regular boiling factor.

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Write a hypothesis for the investigation above by pretending you don't know the outcome.

Answers

Hypothesis: Nothing

what is the valency and symbol of chromium ?​

Answers

Answer:

two valence states: trivalent chromium (Cr III) and hexavalent chromium (Cr VI)

hope this helps, i can change it if it doesn't.

Scientists can tell recycling reduces atmospheric emissions by knowing which of the following? o it takes more Btu to manufacture recycled products than new ones O recorded emissions from manufacturing plants are down there are fewer manufacturing plants now, thus reducing emissions 0 it takes less Btu to manufacture recycled products than new ones Mark this and return its science ​

Answers

Answer:

According to the Environmental Paper Network's Paper Calculator, it takes about 32 million BTUs of energy to produce 1 ton of virgin paper fiber. To produce 1 ton of recycled paper, it takes about 22 million BTUs.

so the answer could be it takes less Btu to manufacture recycled products than new ones

A liquid has a volume of 26.0mL and has a mass of 36.4 grams. What is its density?

Answers

The density of liquid is 1.4g/ml


Here, given volume of a liquid is 26.0 ml= 0.026 L

given mass of liquid is 36.4 g

density = mass/volume    
                =36.4 /26.0

                =1.4g/ml

                =1400g/L

density is  mass of a unit volume of a any substance.
The formula of density is d = M/V, where d =density, M = mass, and V = volume.

The  units  of density are  grams per cubic centimetre,g/ml or g/L
For example,The density of gaseous oxygen is 0.0014 g/cm3, compared with liquid oxygen  has a density of 1.1 g/cm3. So, solid masses have a high density as the particles are very close together, liquid masses are slightly less dense, and gas masses have  very low density where particles are much further apart from each other.

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Please help How many moles of a gas sample are in 5.0 L container at 215 K and 342 kPa(The gas constant is 8.31 L kPa/mol K) Round your answer to one decimal place and enter the number only with no units.

Please help How many moles of a gas sample are in 5.0 L container at 215 K and 342 kPa(The gas constant

Answers

Answer

1.0 mol

Explanation

Given:

Volume, V = 5.0 L

Temperature, T = 215 K

Pressure, P = 342 kPa

The gas constant, R = 8.31 L kPa/mol K

What to find:

The number of moles of the gas sample.

Step-step-solution:

The number of moles of the gas can be determine using the ideal gas equation formula:

\(PV=nRT\)

Put the given values into the formula and calculate for n:

\(\begin{gathered} 342\times5.0=n\times8.31\times215 \\ 1710=1786.65n \\ \text{Divide both sides by 1786.65} \\ \frac{1710}{1786.65}=\frac{1786.65n}{1786.65} \\ n=0.9571\text{ mol} \\ To\text{ one decimal place,} \\ n=1.0\text{ mol} \end{gathered}\)

The number of moles of the gas sample is 1.0 mol.

A sample of crystalline compound when heated in an open test tube, produced several droplets of water on the upper part of the test tube. When the residue is dissolved in water, a yellow brown solution is formed. In contrast to The colorless solution formed when a sample of the original compound is dissolved in water. what evidence would lead you to conclude that the compound is not truly hydrate

Answers

To be considered a true hydrate, a compound must follow a few rules, and one of these rules is the color being the same before and after heating. In this case we have a difference in the color, the residue after heating when dissolved in water is forming a yellow brown solution, and in the meanwhile, a colorless solution is formed when a sample of the original compound is dissolved in water, which is not a characteristic of a true hydrate.

Which correctly lists the three methods of heat transfer?

absorption, conduction, convection
conduction, convection, radiation
convection, absorption, reflection
radiation, conduction, reflection

Answers

answer: conduction, convection, radiation

explanation: heats transferred using these three methods and all of them are used in different ways, convection is heat through solids, conduction being used as liquid/gas, radiation being used as electromagnetic waves.

hope this helped!!

The correct list of three methods of heat transfer is conduction, convection, and radiation. The correct option is B.

What is heat transfer?

A phenomenon known as "heat transfer" occurs when heat is transferred between two physical objects. High temperatures always transfer heat to lower temperatures. A hot body always loses heat to a cool body. Conduction, convection, and radiation are the three processes involved in the transport of heat.

Heat is conveyed via conduction when two things are in direct touch with one another. Convection is the process by which heat is moved within the fluid. Without the usage of particles, electromagnetic waves carry heat during radiation. The heat transfer is triggered by the temperature difference.

Thus, the correct option is B. conduction, convection, and radiation.

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15 POINTS
Terms such as boil, freeze, condense, vaporize, or melt in chemistry generally refer to a ______ in matter.

Answers

Answer:

change

Explanation:

These terms refer to the change into the different states of  matter.

BRAINLIEST.

Tell me honnnnnn.

An increase in the number of moles of gas in a fixed container would cause...

Select one :

A higher pressure, because there would be more collisions between more gas particles.

A lower volume, because the collisions between gas particles would be more forceful.

A higher pressure, because the collisions between gas particles would be more forceful.

A lower volume, because there would be more collisions between more gas particles .

Answers

A lower volume. Because there would be more collisions between more gas particles

When a species cannot respond to environmental changes, members of that species begin to die. When the last member of a species dies, the species becomes _________.

When a species cannot respond to environmental changes, members of that species begin to die. When the

Answers

Extinct

When all of the members of species die out it is called extinct

The dehydration product of CH3-CH2-CH2-O-H in the presence of acid is O cyclopropene O propene O propyne O cyclopropane CH2=C=CH2

Answers

The dehydration product of CH3-CH2-CH2-O-H in the presence of acid is propene.

The dehydration of CH3-CH2-CH2-O-H (propanol) in the presence of an acid catalyst, such as concentrated sulfuric acid, results in the formation of an alkene.

In this case, the product formed is propene (CH2=CHCH3). During the reaction, the acid catalyst protonates the hydroxyl group (-OH) of propanol, which makes it a better leaving group. The protonated propanol then loses a molecule of water, resulting in the formation of propene.

The other options listed as possible products, including cyclopropene, cyclopropane, and CH2=C=CH2 (allenes), are not formed as the result of dehydration of propanol in the presence of an acid catalyst. These compounds may be formed from other reactions, but not from the dehydration of propanol.

In summary, the dehydration product of CH3-CH2-CH2-O-H in the presence of acid is propene (CH2=CHCH3).

Therefore, the correct option is propene.

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A man can walk at a speed of 20 mi/day. How far will he walk in 5 days?

Answers

Answer:

100 miles

Explanation:

20 miles = 1 day

to find 5 multiply both numbers by 5

100 miles = 5

Answer:

100 mi

Explanation:

if he walks 20 mi a day and we're determining how far he'll walk in 5 days then 5 x 20 = 100

How many gram of olid alumnuim ulfied can be prepared by the reaction of 10. 0 gram of alumnium and 15. 0 gram of ulfur?how much of the non limiting
reactant in exce?

Answers

The mass of \(Al_{2} S_{3}\) produced is 15.616 grams.

The reaction taking place is as follows:

\(2Al+ 3S\) →\(Al_{2} S_{3} (s)\)

Moles of Al = mass/molar mass = 10.0g/27.0g/mol

= 0.370 mol

Moles of S = mass/molar mass = 15.0g/(32.065g/mol)

= 0.468 mol

Al and S reacts in the molar ratio of 2:3.

2 moles of Al reacts with 3 moles of S

0.370 moles of Al will react with S = (3/2)*0.370mol

= 0.555 mol

Similarly, 0.468 moles of S will react with Al = 2/3 *0.468mol

= 0.312 mol

Thus, Al is in excess and S is the limiting reactant (some of Al will be left over ,S will completely react)

So, moles of \(Al_{2} S_{3}\) produced=1/3*0.312 mol of S

= 0.104 mol

Mass of \(Al_{2} S_{3}\) produced = moles*molar mass of \(Al_{2} S_{3}\)

= 0.104mol*150.158g/mol

= 15.616 grams

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Match the following molecules with the number of atoms they contain.

1. 2Fe two
2. 2Al3O2 seven
3. 4O2 five
4. 5C ten
5. H2SO4 eight


ANWER ASAP PLEASSEEEE

Answers

Hi I wanna was the one who was talking about the devil in the squad room for a quiz

10) element x is in group I of the periodic table. X reacts with element Y to form an ionic compound. Which equation shows the process that takes place when X forms ions

10) element x is in group I of the periodic table. X reacts with element Y to form an ionic compound.

Answers

We require the equation to understand the process that occurs when X reacts with Y to form an ionic compound.The chemical equation for the formation of the ionic compound between X and Y would be: X + Y → XYwhere X represents the alkali metal in group I and Y represents a non-metal that is most likely in group VII. This equation represents the process of how the two elements react with each other to create an ionic compound.

Element X is found in group I of the periodic table, which means it belongs to the alkali metal group. Alkali metals are well-known for their reactivity, with the exception of lithium, which is the least reactive alkali metal. Alkali metals react with other elements to form ionic compounds. Let’s take a closer look at this process.Element X reacts with Element Y to create an ionic compound, which means that Element X becomes an ion in the process. Since Element X is an alkali metal, it has only one valence electron.

To form a positive ion, it loses this valence electron.Element Y, on the other hand, is probably a non-metal since it’s reacting with an alkali metal. Non-metals, unlike alkali metals, have a high electronegativity. As a result, they have a tendency to take electrons from other elements in order to complete their valence shells.

As a result, Element Y gains an electron in this instance.Since X loses its valence electron and Y gains an electron, X becomes a positive ion and Y becomes a negative ion. The resulting ionic compound is formed by the attractive forces between the positive and negative ions. The formula of the ionic compound is determined by the ratio of the ions present.

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Determine the products of the reaction between tin(ii) oxalate and lithium chloride

Answers

The reaction between tin (II) oxalate and lithium chloride is that it forms tin (II) chloride and lithium oxalate, which are the products of the reaction. The balanced chemical equation for the reaction is  SnC₂O₄ + 2 LiCl → SnCl₂ + Li₂C₂O4.

Tin (II) oxalate reacts with lithium chloride to form a precipitate of tin (II) chloride and lithium oxalate. The reaction between tin (II) oxalate and lithium chloride is given below.

SnC₂O₄ + 2 LiCl → SnCl₂ + Li₂C₂O4

The balanced chemical equation for the reaction is as follows:

SnC₂O₄ + 2 LiCl → SnCl₂ + Li₂C₂O4 .

SnC₂O₄ is tin (II) oxalate, while LiCl is lithium chloride.

SnCl₂ is tin (II) chloride, while Li₂C₂O4 is lithium oxalate.The products of the reaction between tin (II) oxalate and lithium chloride are tin (II) chloride and lithium oxalate. Tin (II) chloride is a white crystalline powder that is soluble in water, whereas lithium oxalate is a white solid that is insoluble in water.The reaction between tin (II) oxalate and lithium chloride is a double displacement reaction, which is also known as a metathesis reaction. When a double displacement reaction takes place, two compounds exchange their cations and anions, resulting in the formation of two new compounds.

The reaction is a double displacement reaction or metathesis reaction where two compounds exchange their cations and anions to form two new compounds.

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spontaneous redox reaction occurs when electrons are transferred to an element that has a greater tendency to _____ them from an element that has a greater tendency to _____ them.

Answers

Spontaneous redox reaction occurs when electrons are transferred to an element that has a greater tendency to accept them from an element that has a greater tendency to donate them.


 A spontaneous redox reaction occurs when electrons are transferred to an element that has a greater tendency to accept them from an element that has a greater tendency to lose them.In simpler terms, redox reactions involve the transfer of electrons from one substance to another. In a redox reaction, electrons can never be “lost”; if one substance loses electrons, another substance must gain an equal number of electrons.

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Using an unplugged iphone is what kind of energy

what is its energy transformation?

Answers

Answer:  0.26 watts

Explanation:   The U.S. Energy Department says cellphone chargers use 0.26 watts of energy when plugged in after the phone is disconnected and 2.24 watts when the phone is charged and still connected.

how many ionic bonds are in copper?

Answers

The number of ionic bond in copper is zero.

Pure copper or any pure metal for that matter are examples of metallic bonds, which are neither ionic nor covalent. The copper atoms are stacked very tightly in a solid lattice. In fact it has a face centered cubic lattice which is the closed packing of atoms possible. Each atom has twelve nearest neighbors which allows their 4s orbitals (mostly) to have the optimal overlap. All of these orbitals therefore combine in one gigantic band of delocalized orbitals that spans the entire crystal with its myriad atoms. This band is only partly filled and the difference in energy between one state and the next is puny, which explains copper’s outstanding conductive properties.

Therefore, the bonding in copper has a metallic character.

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In which orbitals would the valence electrons for carbon (C) be placed?

Answers

Answer: orbitals supernumerary

Explanation:

Answer:

both S orbital and p orbitals

Explanation:

took the exam got the question right.

What is 745000 nanometers converted to millimeters?

Answers

Answer:

0.745 millimiters

i looked it up on google and this is the right answer

What is the world's largest country

The percent composition of nh42c2o4

Answers

Answer: Percent composition by element

Element Symbol Mass Percent

Hydrogen H 6.498%

Carbon C 19.357%

Nitrogen N 22.574%

Oxygen O 51.571%

HOPE THIS HELPS

What is the mass of an object if it produces a 20 N force with a 4m/s/s
acceleration?

Answers

Answer:

The answer is 5 kg

Explanation:

To find the mass given the force and acceleration we use the formula

\(mass = \frac{force}{acceleration} \\ \)

From the question

force = 20 N

acceleration = 4 m/s²

We have

\(mass = \frac{20}{4} \\ \)

We have the final answer as

5 kg

Hope this helps you

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How many smarties will each of them Receive? 555 centigrams = 55. 5 ________A decigramsB gramsC decagramsD hectograms To Faulkner, what is the difference between enduring and prevailing?Enduring is overcoming that fear and those dangers. Prevailing is merelysurviving the fear and the dangers of life. To endure is to triumph.Enduring is merely surviving the fear and the dangers of life. Prevailing isovercoming that fear and those dangers. To prevail is to triumph.Enduring is never getting over your fears. Prevailing is living in the past. In the red heart, write a note for the roles and responsibilities of parents well attended and followed in child rearing and caring. Jevonte surveyed 400 of the students in his school about their favorite color. 95% said their favorite color was red. How many students' favorite color was red? The half-life of radon-222 is 3.8 days. How much of a 100 kg sample is left after 15.2 days? 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Create your own seal or set of seals.a) Think about symbols, patterns, or designs that you would like to represent yourself, your family, or your community. Keep in mind that these symbols should be simple enough to carve, and should have strong lines.b) Cut the potato in half. If youd like, you may wish to cut each potato into smaller stamps, but make sure to retain one flat surface for each piece.c) Use tools to carve a design into the flat surface of at least one piece of potato. You may create as many different stamps as youd like. Note that the simpler and cleaner the designs you create, the clearer and bolder your stamp will appear.Step 3: Use the seal(s) to create a design on the paper or fabric.a) Dampen the sponge and wring it out. Place the sponge on the wax paper or foil. 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