Given what we know, we can confirm that as an ionic compound grows more complex, its melting point will increase.
What is an Ionic compound?An ionic compound is one in which atoms of elements share electrons between them to form compounds.These shared electrons generate powerful electrostatic forces that we refer to as ionic bonds. Electrostatic forces cause an increase in the melting point of a compound. As a compound grows more complex and adds more elements to its composition, it will gain new electrostatic forces, and thus increase its melting point.Therefore, as an ionic compound grows more complex, its melting point will increase due to the increasing number of strong electrostatic forces present in the compound.
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Answer: it INCREASES
if you don’t wanna read that long answer the other person put
Explanation:
what happens when you add vinegar to baking soda
Answer:
When baking soda is mixed with vinegar, something new is formed. The mixture quickly foams up with carbon dioxide gas. If enough vinegar is used, all of the baking soda can be made to react and disappear into the vinegar solution.
Explanation:
Write the chemical formulas and names for the following ionic compounds. Cobalt (III) and bromine
Answer:
CoBr2,CoBr2·6H2O,CoBr2·2H2O
Explanation:
I NEED MORE HELP ASAPP
Answer:
1) Gas
2) Higher
3) Increases
4) Higher
Explanation:
How many grams of water are needed to absorb 456 J if its temperature goes from 22.7 to 98.3 Celsius?
The mass of water needed to absorb 456 J is 1.44 g
We'll begin by calculating the change in the temperature of the water.
Initial temperature of water (T₁) = 22.7 °C
Final temperature (T₂) = 98.3 °C
Change in temperature (ΔT) =?ΔT = T₂ – T₁
ΔT = 98.3 – 22.7
ΔT = 75.6 °CFinally, we shall determine the mass of the waterHeat absorbed (Q) = 456 J
Change in temperature (ΔT) = 75.6 °C
Specific heat capacity of water (C) = 4.184 J/gºC
Mass of water (M) =?Q = MCΔT
456 = M × 4.184 × 75.6
456 = M × 316.3104
Divide both side by 316.3104
M = 456 / 316.3104
M = 1.44 gTherefore, the mass of the water is 1.44 g
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pls answer thisss it's due today
Answer:
1.correct
3.correct
Explanation:
pls mark me as brainliest
Answer:
I believe A is the correct answer.
Explanation:
I note that another response includes C. as another correct answer. It is possible, but it depends on what is meant by "fixed shape." I interpret "fixed shape" as the collection of the gases forming a fixed shape on their own. Gases fill the container they are in (be it a flask, room, or a planet, so they have a fixed shape by that definition. But a primary definition of gases is that that take on the shape of their container, not a shape of their own.
A. is correct because perfect gases have no interactions (AKA the Ideal Gas Laws). They may have interactions, and often do, but they are weak. That's why the ideal gas laws are a good first approximation to how gases change volume based on temperature and pressure.
If you were a scientist investigating the effects of antioxidants in foods, what would you test and why?
Answer:
One possible reason why many studies on antioxidant supplements do not show a health benefit is because antioxidants tend to work best in combination with other nutrients, plant chemicals, and even other antioxidants.
Explanation:
What is a control group?
A group that changes the variable
The group that applies the variable
The group that tests the variable
A test group where the variable is not changed or applied Which of the following objects is transforming electrical energy into energy of motion?
Answer:
The group that tests the variable.
Explanation:
The group that tests the variable is a control group.
Answer:
C when testing the group put the varible in control
Not every earthquake has a(n) ______, but every earthquake has _____that occur in _____ the mainshock.
1.
Aftershock
Foreshock <------
2.
Aftershock <-------
Foreshock
3.
Places far away from
The Same place as <------
Am i right?
Not every earthquake has a(n) Foreshock, but every earthquake has an Aftershock that occurs in the Same place as the mainshock.
What is an earthquake?
An earthquake is defined as a natural disaster in which there are tectonic plates that are present on the earth's crust collides with each other.
An Earthquake can be minor as well as natural depending upon the frequency it causes the damage. Earthquake is the Shaking of Earth and was much destruction of the economy and manpower.
Surroundings are being disturbed like trees will fall, and buildings will collapse which will cause damage to the economy as well as to human life.
Foreshock is the before shop which happens before the earthquake and aftershock is the other socks that happen after the earthquake
Thus, the correct options are 1. Foreshock, 2. Aftershock, 3. The Same place as.
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Figure 2
Describe how a dog grows. Describe their mode of reproduction
Explanation:
Although all puppies are officially considered adult dogs once they reach one year old, puppies continue to grow in height and size while their bones are still developing, which takes anywhere from 6 to 24 months. Their skeletal growth is what determines how tall they will become as adults.
Write the chemical formulas and names for the following ionic compounds. Barium and phosphate 
Barium is Ba. Atomic no. 56 and atomic mass =137.3.
Phosphate is naturally occurring form of phosphorus. Phosphate is P. Atomin no. 15 and atomic mass =31.0.
What is the difference between an element, compound, and a mixture
Answer:
Element: Pure substance consisting of one type of atom. Compound: Pure substance consisting of two or more different atoms. Mixture: Two or more different substances not chemically combined.
Explanation:
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What is the difference between a conductor and an insulator?
Answer:materials that impede the free flow of electrons from atom to atom and molecule to molecule.
Answer:
conductores can flow easily through the electrical component while the insulators not
Order the following elements according to the valence numbers from lowest to highest
1. Boron
2. Sodium
3. Chlorine
4. Beryllium
how many molecules are in 122 grams of Cu(NO3)2
Answer:
3.917 x 10 ^ 23
Explanation:
You just want to use dimensional analysis to solve. So first start with 122g of copper(II) nitrite, and divide by the molecular weight to get it into moles. Then you know that 1 mole = 6.022 x 10 ^23 molecules (Avogadro's Number) so multiply that by your current moles. A hint for these problems always convert what you were given to moles since it is easy to get to a lot of things through them. ** Use the molar mass/molecular weight for going from grams to moles or moles to grams and use Avogadro's number when going from moles to atoms/molecules or reverse.
Hope this helps!
how do the densities of crystalline and amorphous polymers of the same material that have identical molecular weights compare?
I NEED HELP!!!! URGENTLY!!!! I HAVE TO GET THIS DONE THIS WEEK!!!! WILL GIVE BRAINLIEST!!!!
1. You learned that waves in the ocean, sound waves, and light waves all have certain things in common. They all carry energy. The velocity, frequency, and wavelength of each is connected by the same equation. Which type of wave would you most want to learn more about? Why does it interest you? What would you want to find out about it? Write your answers in 2-3 paragraphs. (10 points) Would you like to know more about how waves in the ocean move, how sound travels, or how light works?
2. If you could somehow travel inside an atom and look around, what part of the atom would you want to look at? Why? What would you want to understand better as a result of your "travels"? Write your answers in 2-3 paragraphs. (10 points) Do electrons or the nucleus interest you more? What questions do you still have about how an atom works?
Answer:
Explanation:
1) I personally would want to learn more about how the waves in the ocean move. About what causes high tide. What causes low tide. Why some waves are big and some small.
I know it has something to do with the gravitational pull of the moon. But that is as far as my knowledge extends on the subject. I have always been fascinated with the secrets of the ocean and the secrets of space. To me learning, this is a little of both.
2) The nature of the interaction between neutrons and protons in the atomic nucleus, which binds the nucleons together, is the biggest wonder in the inside of the atom that I would like to really know. Protons have a positive charge, but neutrons do not. What form of interaction between a charged particle and an uncharged particle is possible? That is what I expect to learn more about as a result of my explorations into the inner workings of the atom.
The inside of the atom is made up of the nucleus and electrons that travel about in orbits. The nucleus is made up of protons and neutrons. Electrons have a negative charge, protons have a positive charge, and neutrons have none. The nucleus is held together by electrostatic interaction between electrons and protons. The majority of the mass of an atom is made up of protons and neutrons.
I'm interested in finding out more about ocean waves travel. regarding the reason for high tide. what brings on a low tide. Although some waves become also large while others are smaller.
What are ocean waves?Ocean waves seem to be alterations to the ocean's surface. They could be produced by water being moved by the wind, gravity, as well as other forces.
What are waves?A disturbance that moves from one place to another across a medium has been referred to as a wave. As an illustration of a wave, think of a sinuous wave.
Personally, I'm interested in finding out more about ocean waves travel. regarding the reason for high tide. what brings on a low tide. Although some waves become also large while others are smaller I'm certain that the moon's gravitational force is somehow implicated. Because that is basically the extent of my expertise on the matter. The mysteries of the water and the mysteries of space have always interested me. I'm still learning, so this combines a bit of both.The largest enigma in the interior of the atom something I would really like to understand is the nature of the connection involving neutrons as well as protons in the nucleus of an atom, which holds the nucleons together. Neutrons just don't have a positive electrical charge, whereas protons do. What kind of interactions is conceivable between charged as well as uncharged particles. Through my investigations into the internal workings of the atom, I hope to understand more about it.
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What are the names of the two levels?
Select two correct answers.
How many molecules are present in 2.00 mol of KCl?
Answer:
The question specified 2 moles of potassium chloride. Clearly, there are 2 moles of chloride ions. How many moles of chloride ions in 95.2 g
Chlorine has 7 valence electrons. Describe the type of bond that sodium would have
with chlorine. Write the chemical formula of the compound these two elements would form together. (i figured it out nvm)
can someone in here please answer there question for the love of god
When you knock on a door, what causes you to hear a sound?
Vibrations that cause bound beams
Vibrations that cause sound waves
Vibrations that cause sound circles
Vibrations that cause sound
Answer: B.
Explanation:
Microscopes are used to see tiny organisms. The specimen is thin kept on the grid in this microscope, and can be magnified more than a million times and can be viewed in the monitor. Name the Microscope
Answer:
The electron microscope is the answer.
how molecular structure affects solubility?
Answer:
The molecular structure affects solubility mainly biased on its polarity or bonded ions.
Explanation:
Polar molecules will better interact with the water molecules and will dissolve easier. Nonpolar molecules can dissolve if they are small enough, however they don't interact well with the polar molecules. Bonded ions, such as NaCl split into a cation Na and an anion Cl which the positive charge on the Na will be attracted to the oxygen, and the negatively charged Cl will be attracted to the positive Hydrogen.
**Remember this rule, like dissolves like, meaning nonpolar dissolves nonpolar and polar dissolves polar.
I hope this helps!
How many moles are in 9.12 x 1023 molecules of sugar?
Answer:
1.514 moles
Explanation:
For this problem you want to use dimensional analysis and cancel out your molecules of sugar and be left with moles of sugar. We know that 1 mole (of anything) = 6.022 x 10 ^ 23 molecules, so we should use that conversion to help us. Start with 9.12 x 10 ^23 molecules and divide by 6.022 x 10 ^ 23 molecules, and you will be left with moles.
Hope this helps!
PLS ANSWER ALL QUESTIONS FOR 67 POINTS
Atomic Structure
1. All atoms are made up of small particles called ____________________.
2. These small particles include the positively charged ________________, the negatively charged _____________ and the neutral ____________.
3. The atomic mass equals the ______________ and the ______________.
4. The atomic number tells you the number of ________________ which is equal to the number of _________ in a stable atom.
5. So, we can use the atomic mass and the atomic number to calculate the total number of just the neutrons. Calculate the number of neutrons in a Carbon atom.
[Picture of carbon]
Total number of neutrons = ________________
6. The lightest sub-atomic particle is the _____________
7. The center of the atom is called the __________
8. The area where the negatively charged particles can be found is called the _________________
9. Each of the charged particles are on what we call ____________ or ______________
a. There are how many on the 1st layer _________
b. On the 2nd layer _________
c. On the 3rd layer _________
d. Electrons on the outer level of any atom have a special name which is _____________________ and these outer electrons determine the atoms reactivity with other elements
Explanation:
1. subatomic particles.
2.proton, electron and neutron
3.The atomic mass of an element is actually the sum of the MASSES of protons and neutrons in AN atom of that element
4.An element's atomic number is equal to the number of protons in the nuclei of any of its atoms
5. Number of Protons = Atomic Number
Number of Electrons = Number of Protons = Atomic Number
Number of Neutrons = Mass Number - Atomic Number
For krypton:
Number of Protons = Atomic Number = 36
Number of Electrons = Number of Protons = Atomic Number = 36
Number of Neutrons = Mass Number - Atomic Number = 84 - 36 = 48
6. electron, lightest stable subatomic particle known. It carries a negative charge of 1.602176634 × 10−19 coulomb, which is considered the basic unit of electric charge. The rest mass of the electron is 9.1093837015 × 10−31 kg
7.The center of the atom is called a nucleus
8. Negatively charged particles are found in multiple layers outside the nucleus of the atom. These particles are called electrons, and they orbit in various energy levels around the atom's nucleus.
9. A charged particle is also called an ion
How many protons, neutrons, and electrons are in an atom of beryllium with a mass number of 9?
A) 5 protons,5 electrons,4 neutrons
B) 4 protons,4 electrons,4 neutrons
C) 4 protons,4 electrons,9 neutrons
D) 4 protons,4 electrons,5 neutrons
Answer:
c / a
correct me if im wrong
Answer:
D) 4 protons, 4 electrons, 5 neutrons
How many totals atoms are present in the compound : Mg(OH)2
A. 3
B. 4
C. 5
D. 7
1 atom Mg, 2 atoms O and 2 atoms H.
1 + 2 + 2 = 5, so correct answer is C
4. Pb + FeSO4 → PbSO4 + Fe
what type of reaction?
Oxidation- Reduction reaction
what is an example of force pair
he interaction between a baseball bat and a baseball
In the modern periodic table elements are arranged in order based on the number of:
Explanation: The elements in the modern periodic table are arranged in order of their atomic numbers, which is the number of protons in the nuclei of the atoms of an element. Each element has a unique atomic number.
