38
Both ionization and dissociation produce ions of the solute in solution.
How do the two processes differ? Write two differences. *​

Answers

Answer 1

Answer:

Detail is given below

Explanation:

Differences:

Ionization involves the formation of ions while in dissociation substance are break into atoms, ions or molecules.

In ionization atoms and molecules gain positive or negative charge.

While in dissociation positive and negative ions are not essentially formed substance could be break into neutral small particles.

Ionization occur in covalent compounds while dissociation occur in ionic compound.

Ionization example:

Cl + e⁻    →  Cl⁻

Dissociation example:

NaCl   →   Na⁺ + Cl⁻

Here sodium and chloride ions are formed but in sodium chloride these ions were already present.

Another example:

N₂O₄   →     2NO₂


Related Questions


If an object has a velocity of 8 m/s and
a momentum of 40 kg.m/s, what is the
mass of the object

Answers

Answer:

Explanation:

The Kinetic Energy (K.E) of an object can be calculated as:

We are given:

K.E = 480 K

Velocity of the object = v = 8 m/s

Using the values, we get:

Thus, the mass of the object will be 15 kg.

The mass of the object at the given momentum and speed is determined as 5 kg.

Momentum of the object

The momentum of the object is calculated as follows;

P = mv

where;

m is mass of the objectv is speed of the object

m = P/v

m = 40/8

m = 5 kg

Thus, the mass of the object at the given momentum and speed is determined as 5 kg.

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#SPJ2

Which of the following is NOT needed for photosynthesis to take place?


A. glucose

B. chlorophyll

C. water

D. light energy

Answers

You do not need Glucose
A. Glucose
you only need 4 things to form photosynthesis

Question 2
5 pts
(03.01 MC)
The nucleus of an atom is dense and positively charged. What was observed when
positively charged particles were radiated onto a gold atom during Rutherford's
experiment because of this?
O Negative charges were concentrated at the center of the atom.
N
Particles that struck the center of the atom were repelled.
Particles that struck the edges of the atom were repelled.
Positive charges were distributed all over the atom.

Answers

Answer:

The correct answer is particles that struck the center of the atom were repelled.

Explanation:

Rutherford performed an experiment which is called the gold foil experiment. In the gold foil experiment of the Rutherford, a gold foil is bombarded with the positively charged alpha particles. The bombardment of the alpha particles shows the unexpected result to Rutherford.

He thought these particles go through the gold foil but to his surprise, some particles bounced back and some deflected after colliding with foil. On the basis of these, he suggested that there is a positive charge present in the center of an atom that repelled the positive charge of alpha particles and leads to deflection and bouncing back.

Thus, the correct answer is particles that struck the center of the atom were repelled.

What is a transform boundary, and how does it affect the land?

Answers

Answer:

simple

Explanation:

A transform fault or transform boundary is a fault along a plate boundary where the motion is predominantly horizontal.[1] It ends abruptly where it connects to another plate boundary, either another transform, a spreading ridge, or a subduction zone.[2]

What is formed when atoms of elements combine? (5 points)
оа
Compounds
Ob
Electrons
ос
Protons
Od
Neutrons

Answers

Answer:

Its compounds

Explanation:

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Using the diagram below and the labels attached to it answer the following:

Transverse Wave Anatomy

1. Define the crest and trough of a wave and identify TWO points that represents a crest or a trough.

2. Define wavelength and identify TWO points that could be used in the diagram to measure it.

2. Determine the frequency of this wave if the waves the diagram represents occurred within 1 second.

Answers

Answer & Explanation:

Crest is a point in the cycle where maximum or peak amplitude exists. In another way, it is a point on the positive side of a wave where maximum amplitude exits. Trough is a point in the cycle where minimum amplitude exists.

Crest: points A and E

Trough: points C and J

Wavelength is the distance between two crests or two troughs. One example is distance between points A and E.

Frequency is 3 because there are 3 oscillations in 1 second (follow the line from beginning to point D, then D to G, the G to end).

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find the pOH of a solution made by dissolving 10.4g of HCl in a 500mL solution of water

Answers

The pOH of a solution : 13.756

Further explanation

Mass HCl=10.4 g

mol HCl (MW=36.5 g/mol) :

[tex]\tt mol=\dfrac{mass}{MW}=\dfrac{10.4}{36.5}=0.285[/tex]

Volume of HCl = 500 ml = 0.5 L

[tex]\tt M=\dfrac{n}{V}\\\\M=\dfrac{0.285}{0.5}=0.57~M[/tex]

HCl ⇒ H⁺ + Cl⁻

[H⁺]=[HCl]=0.57 M

pH= - log[H⁺]

pH=-log[0.57]=0.244

pH+pOH=14

pOH=14-0.244

pOH=13.756

what is the wavelength of a red laser with a frequency of 4.3 x 10^54 Hz

Answers

Answer:

The wavelength is 7.0x10⁻⁴⁷ m

Explanation:

To solve this problem we can use the equation:

c = λ*v

Where:

c is the speed of light (3x10⁸m/s)λ is the wavelenght (in m)v is the frequency (in Hz)

We put the data given by the problem:

3x10⁸ m/s = λ * 4.3x10⁵⁴ Hz

And solve for λ:

λ = 7.0x10⁻⁴⁷ m

if you start with 55 grams of sodium flouride naf how many grams of magnesium fluride mgf2 will be produced

Answers

Answer:

Mass of MgF₂ formed = 40.5 g

Explanation:

Given data:

Mass of NaF = 55 g

Mass of MgF₂ formed =  ?

Solution:

Chemical equation:

2NaF  +  Mg      →     MgF₂ + 2Na

Number of moles of NaF:

Number of moles = mass/molar mass

Number of moles = 55 g / 41.98 g/mol

Number of moles = 1.3 mol

now we will compare the moles of sodium fluoride with magnesium fluoride.

                     NaF       :          MgF₂

                       2          :             1

                     1.3          :        1/2×1.3 =  0.65 mol

Mass of magnesium fluoride:

Mass = number of moles × molar mass

Mass = 0.65 mol × 62.3 g/mol

Mass = 40.5 g

sandy is looking though a stanstance that that absorbs some of the light waves and others others through. what type of light transmission is sandy seeing?
A. Translucent
B. opaque
C. transparent
D. a substance with color ​

Answers

Answer:

A. Translucent

Explanation:

Sandy is seeing a light transmission through a translucent medium. Or we can say this is a translucent light transmission.

In a translucent light transmission, some of the light are allowed to pass through and some are cut off. An example is frosted glass, tinted glassAn opaque object is does no allow any light to pass through. It simply does no transmit light. An example is paper, leaf and a bookA transparent transmission allows all of the light to pass through.

PLEASE HELP!!!! 60 points

Answers

Answer:

Have a nice Day , I would appreciate it if you could mark my answer brainliest

if 1 teacher cant teach all subjects how come 1 student can learn all subjects ?

Answer:

d

d.d.d.d.d.d..d.d.d.d.d.d.d.d..d.d.d.d.d.d.d

Explanation:

Aqueous magnesium chloride is added to aqueous silver nitrate. A white precipitate forms. Write the chemical equation for this reaction.

Answers

Answer:

1. Molecular equation

BaCl2(aq) + 2AgNO3(aq) –> 2AgCl(s) + Ba(NO3)2 (aq)

2. Complete Ionic equation

Ba²⁺(aq) + 2Cl¯(aq) + 2Ag⁺(aq) + 2NO3¯ (aq) —> 2AgCl(s) + Ba²⁺(aq) + 2NO3¯(aq)

3. Net ionic equation

Cl¯(aq) + Ag⁺(aq) —> AgCl(s)

Explanation:

Answer:

The symbol for magnesium chloride is MgCl2 and silver nitrate is Ag(NO3)2 so the equation will be :

MgCl2 + Ag(NO3)2 → AgCl2 + Mg(NO3)2

please help im stuckkkk

Answers

B) mid ocean ridge because a rise is a underwater mtn range located where tectonic plates are spreading apart

Answer:

Just in case you want confirmation yes, its mid ocean ridge

A gas occupies 200ml at a temperature of 26 degrees Celsius and 76mmHg pressure. Find the volume at -3degree Celsius with the pressure remaining constant.

Answers

Answer:

184.62 ml

Explanation:

Let [tex]p_1, v_1,[/tex] and [tex]T_1[/tex] be the initial and [tex]p_2, v_2,[/tex] and [tex]T_2[/tex] be the final pressure, volume, and temperature of the gas respectively.

Given that the pressure remains constant, so

[tex]p_1=p_2[/tex] ...(i)

[tex]v_1[/tex] = 200 ml

[tex]T_1= 26 ^{\circ}C = 273+26 =299[/tex] K

[tex]T_2= 3 ^{\circ}C = 273+3 =276[/tex] K

From the ideal gas equation, pv=mRT

Where p is the pressure, v is the volume, T is the temperature in Kelvin, m is the mass of air in kg, R is the specific gas constant.

For the initial condition,

[tex]p_1v_1=mRT_1 \\\\mR= \frac{p_1v_1}{T_1}\cdots(ii)[/tex]

For the final condition,

[tex]p_2v_2=mRT_2 \\\\mR= \frac{p_2v_2}{T_2}\cdots(iii)[/tex]

Equating equation (i), and (ii)

[tex]\frac{p_1v_1}{T_1}=\frac{p_2v_2}{T_2}[/tex]

[tex]\frac{v_1}{T_1}=\frac{v_2}{T_2}[/tex]  [from equation (i)]

[tex]v_2=\frac{T_2}{T_1} \times v_1[/tex]

Putting all the given values, we have

[tex]v_2=\frac{276}{299} \times 200 = 184.62 \; ml[/tex]

Hence, the volume of the gas at 3 degrees Celsius is 184.62 ml.

pleaseeee help me solve this answer

Answers

Answer:

A open system

I think plz tell me if i'm wrong

Explanation:

Answer:

A- an Open System

Explanation:

D
Magnesium carbonate decomposes on heating to form magnesium oxide and carbon dioxide as
shown.
MgCO3 → MgO + CO2
How much magnesium carbonate is needed to make 5.0g of magnesium oxide?
А
3.5g
B 4.09
C 6.5g
D 10.59

Answers

The correct answer is b

The amount of 10.5 g magnesium carbonate is needed to make 5.0g of magnesium oxide.

So, option D is correct.

Given that, Magnesium carbonate decomposes on heating to form magnesium oxide and carbon dioxide as

                  MgCO₃ → MgO + CO₂

Molar mass of MgCO₃ = 24 + 12 + 48 = 84 g/mole

Molar mass of  MgO = 24 + 16 = 40g/mole

40 gram MgO is produced  from 84 gram of MgCO₃

1 gram of MgO produced  from  [tex]\frac{84}{40}=2.1[/tex] gram of MgCO₃

Therefore, 5 gram of MgO produced  from [tex](5*2.1=10.5gram)[/tex] of MgCO₃

Thus, option D is correct.

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is p2 polar or no polar

Answers

Answer:

Non-polar

Explanation:

The way to determine if something is polar is by subtracting their electronegativity values. The two atoms in this molecule are both phosphorous which have equal electronegativity values (since they are both phosphorus). Anything minus itself will equal 0. If the final difference between the electronegativity values is less than 0.4, it will be non-polar. Since the result is 0, P2 is non-polar.

In P₂ molecule there is absence of partial charges, thus the molecule has been nonpolar.

The molecules have been differentiated based on polarity as polar and nonpolar molecules. The molecules that have been comprised of the difference in the electronegativity of the elements and develop partial charges have been termed polar compounds.

The compounds with no difference in electronegativity and absence of partial charges are termed nonpolar molecules. In the P₂ molecule, there have 2 phosphorus molecules with the same electronegativities.

Since there has been an absence of polarity in the molecule, the molecule of P₂ is nonpolar.

For more information about polar molecules, refer to the link:

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Exercise 1.6
4students measered a mass of a piece of metalwhose accurate mass
34. 75 g Their results are 34.2 g, 33.75 g, 35.0 g, and 34.69 g.
a.What is the best estimate for the mass of the piece of metal? Explain why?
b.Explain whether the results are precise or accurate?

Answers

class???????????? and which chapter?????????

What kind of bond is present in HCI

A. Valence Bond
B. Ionic Bond
C. Metallic bond
D. Covalent Bond​

Answers

The correct answer is D. Covalent Bond

NEED ASAP!!

Which statement describes a chemical property of a mineral?

A. The mineral forms gas bubbles when a sample is stored in water.
B. The mineral's surface is easily scratched by other materials.
C. The mineral's color can be white, pink, or yellow.
D. The mineral's luster is dull, even if you polish it.

Answers

Answer:

B

Explanation:

sorry I have to write here

Answer:

a

Explanation:

i got it right

536 cm 53.6 greater, less or equal

Answers

Answer:

they are equal

Explanation:

=

Answer:

well i think if im remember correctly 536 is greater than 53.6 but i may be wrong please tell me if i am

Explanation:

In animals, energy is produced by the:

A. chloroplast
B. endoplasmic reticulum
C. mitochondria
D. nucleus

Answers

Answer:

C. Mitochondria

Explanation:

C. mitochondria there you goooo

6.3 moles of water h20

Answers

Answer:

6.3 moles of water = 6.3*18=113.4 grams per mole

Explanation:

define effervesence​

Answers

Answer:

is the getting out of a gas in a water solution or it the property of forming bubbles

This drawing shows a human body system.



What is the primary function of this body system?

A. The transport of nutrients, water, and oxygen to body cells.

B. The chemical breakdown of food into smaller pieces.

C. The protection of vital organs from injury.

D. The production of hormones that regulate growth and metabolism.

Answers

Answer:

This question is incomplete

Explanation:

This question is incomplete because of the absence of the drawing  referred to in the question.

However, each option refers to a particular respiratory system and with the organs and the tissues mentioned here one can eventually identify which option is correct when the drawing is available.

A) The system described here is the cardiovascular system (or the circulatory system). This system involves the heart, blood vessels and the blood (which are what help in the transport of the materials mentioned in the question).

B) The system described here is the digestive system. This system involves the gastrointestinal tract and organs (that assist in the production/secretion or storage of chemicals that breakdown food into smaller pieces) such as the mouth, esophagus, stomach, small intestine, large intestine, rectum and the anus.

C) The system described here is the skeletal system. This system involves all the bones and joint in the body (the skeleton) which also helps in protecting organs in the body.

D) The system described here is the Endocrine system. This system involves several internal glands (such as the thyroid gland and the adrenal glands) in the body.

NOTE: Identify which organ and/or tissue is present in the diagram and use that to select the appropriate option from the description of each of the options provided above.

Answer:

b

Explanation:

What are the different states of matter and how do they transition from one to
the other? Help plz

Answers

Solid is the state in which matter maintains a fixed volume and shape; liquid is the state in which matter adapts to the shape of its container but varies only slightly in volume; and gas is the state in which matter expands to occupy the volume and shape of its container.??.....

which model best shows the movement of oxygen during photosynthesis

Answers

All photosynthesis eukaryotic cells contain chloroplast that use the radiant energy of sunlight to convert carbon dioxide and water into carbohydrates. As a byproduct of photosynthesis, oxygen gas is also released into the atmosphere through tiny openings in the leaves called stomata

What do electric conducts and thermal conducts have in comman?

Answers

Usually electrical conductors have loosely bound electrons. Materials that conduct heat are thermal conductors

Which compound has both ionic and covalent bonding? *
Ethanol
Glucose
Calcium carbonate
Dichloromethane

Answers

Answer:

Calcium carbonate

Explanation:

Ionic compounds that tend to have one or more polyatomic ions are the ones that tend to exhibit both ionic and covalent bonding. The only one that meets this is calcium carbonate.

-how dose photosynthesis work on animals and what is it called.

Answers

Explanation:

carbon dioxide is it gas that is present in the air plants collect carbon dioxide through tiny holes called Stomates. during the process of photosynthesis, Stomates are also used to expel a gas called oxygen. Oxygen is very important for animals like human -- we need it to breathe !

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Divisional Income Statements For the Year Ended December 31, 20161 Passenger Division Cargo Division2 Revenues $3,045,000.00 $3,045,000.003 Operating expenses 2,425,000.00 2,748,000.004 Income from operations before service department charges $620,000.00 $297,000.005 Less service department charges:6 Training $126,900.00 $126,900.007 Flight scheduling 96,300.00 96,300.008 Reservations 151,200.00 151,200.009 Total service department charges $374,400.00 $374,400.0010 Income from operations $245,600.00 $(77,400.00)The service department charge rate for the service department costs was based on revenues. Because the revenues of the two divisions were the same, the service department charges to each division were also the same.The following additional information is available: Passenger Division Cargo Division TotalNumber of personnel trained 320 220 540Number of flights 650 1,150 1,800Number of reservations requested 21,000 0 21,000Required:A. 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At this rate, how much would 10 pairs of socks cost? 6. Fill in the blanks with the correct verb form of the future perfect tense.1. By next February 1(write) my third book.2. I hope you ...(not/ forget) my name by tomorrow.3. By next week we........ (re-decorate) the house....she .......... (use) a motorbike for 5 years by next month?5. I hope(not/ make) a lot of mistakes in this exam when Ifinish it.6. By the end of this year I ......(drive) more than one hundredthousand kilometers with this car.7. I hope it(stop) raining before the match starts.8....he ........(have) an operation when you turn back? Read the paragraph.Violence in video games is essentially to blame for violence in our society. When children are bombarded with monstrous images, they begin to think that these types of actions are normal or acceptable. Children and teenagers are spending excessive numbers of hours playing video games, and they may begin to use them as a guideline for how to act and behave. 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