Answer:
B) It will be lower, because the temperature of the room-temperature water will not increase as much.
Explanation: I took the test
CCl4(l) is placed in a previously evacuated container at 30°C , and some of the CCl4(l) evaporates. In the box below, draw a particulate diagram to show the species in the container after some of the CCl4(l) has evaporated. The phases of the species should be indicated by the spacing and distribution of the particles in the diagram. Some of the species shown in the legend will not be used.
Answer:
The phases of the species should be indicated by the spacing and distribution of the particles in the diagram
Explanation:
Evaporation would be a phase change from liquid to gas where intermolecular forces are broken CCl4 (l) -> CCl4 (g)
Diagram is attached below
We have that from the diagram that when CCl4(l) is placed in a previously evacuated container at 30°C , and some of the CCl4(l) evaporates that the molecules of CCl4(g) becomes loosely held and apart from while in its closely held in its liquid state.
From the question we are told
CCl4(l) is placed in a previously evacuated container at 30°C , and some of the CCl4(l) evaporates. In the box below, draw a particulate diagram to show the species in the container after some of the CCl4(l) has evaporated. The phases of the species should be indicated by the spacing and distribution of the particles in the diagram. Some of the species shown in the legend will not be used.
Generally
We will see from the diagram that when CCl4(l) is placed in a previously evacuated container at 30°C , and some of the CCl4(l) evaporates that the molecules of CCl4(g) becomes loosely held and apart from while in its closely held in its liquid state
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Please help!!!!!!!!! ASAP!!!
Answer:
0.00505
Explanation:
You can google the answer or try to learn how to convert it
Spongebob completed his experiment. He wrote a brief summary about the investigation. He also determined that his hypothesis statement was not right and explained why it wasn't right by providing evidence from the investigation. Spongebob utilized which step of the scientific method?
Answer:
In a 7-step scientific method, Spongebob utilized the 6th step when He wrote a brief summary of the investigation, and Spongebob utilized the 7th step when He also determined that his hypothesis statement was not right and explained why it wasn't right by providing evidence from the investigation.
Explanation:
Scientific Methods are organized ways employed by scientists to tackle problems by providing solutions to the problem or make hypotheses to which other scientists build on to provide solutions to the problem.
The steps of the scientific method are:
Step 1- Understand the Problem
Step 2- Make research
Step 3- Hypothesis.
Step 4- Conduct an experiment to test the hypothesis
Step 5- Observations.
Step 6-Results/Conclusion.
Step 7- Communicate your research
When Spongebob wrote a brief summary of the investigation, which means he had already conducted an experiment and had already made necessary observations and data collection, so he was at step 6. At step 6, he had analyzed the data collected.
When Spongebob determined that his hypothesis statement was not right and explained why it wasn't right by providing evidence from the investigation, then he was at the final step of the scientific method. Step 7 tells whether the hypothesis is true or false.
Answer:
hey im spongebob
Explanation:
:D
Create a sort of infomercial featuring a solution you created or designed.
Say a few statements about it.
please help
Answer:
Informercials, like the class Shamwow Informercial are an example of how structure and technique can have a huge effect on how a user or prospect is driven towards taking a specific action like clicking a buy button.
Informercials follow a specific structure that any small business can use to drive action but few businesses ever consider using it when they pitch their product or service. In this post, we'll describe the structure and give you examples of how you can use it in your business.
The question above wants to test your ability to create an infomercial using your creativity. For that reason, I can't create an infomercial for you, but I'll show you how to create one.
First, you need to know that an infomercial is an advertisement made to be played on television, usually associated with sales, but can be used to present information.
Based on this, you should create your newsletter as follows:
Establish the element that your infomercial wants to present.Show what are the issues related to this element.Show the solutions you want to present to these problems.Show how these solutions are truthful and reliable.In the image below, you can see a tutorial on how to make an infomercial.
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the amplitude of a wave is measured from
A. Trough to trough
B. Crest to resting position
C. Crest to crest
D. Crest to trough
1s^ 2 2s^ 2 2p^ 6 3s^ 2 3p^ 6 4s^ 2 3d^ 10 4p^ 2 what element is this
Answer:
please use shell notation
Is this a chemical reaction? Explain your reasoning. (Will give brainliest)
Answer:
No, it looks like there is no gas forming no foaming or burning so it is not
Explanation:
Explain the difference between potential energy and kinetic energy.
Sentence Starters
"Potential Energy is. . "
"Kinetic Energy is. . "
"The difference between potential energy and kinetic energy is. . ."
Answer:
Potential energy is the stored energy in an object or thing, while kinetic energy is the energy which an object contains because of a particular motion.
Explanation:
Potential energy is energy that is stored for example a wind up toy, it has energy but in order for you to get kinetic energy, it has to move. So kinetic energy is moving energy.
The difference is that potential is stored and kinetic is moving energy.
saturn is about 1 429 000 km from the sun. how many meters is saturn from the sun?
Answer:
1.493 trillion
Explanation:
Answer:
you must convert km to meters
Explanation:
What is the relationship between the atomic mass of an element and a mole of the element atoms?
The mass of a pure substance represents a specific number of pure substance 'molecules', as defined by molecular weight. The relative atomic mass (atomic weight) in grams/mole (g/mol) is the molar mass of a substance, which means it is the mass of one mole of that substance.
A student mixed several different 12 mm plastic beads together by mistake. Luckily the beads had different densities. One group of beads had a density of 0.6 g/cm3; the other beads had a density of 1.2 g/ cm3. Describe a method the student can use to sort the beads.
Answer:
The answer is "Each student will get a glass of water and drop the bead into it but the beads float 0.6 g / cm3 and slip down to 1.2 g / cm3
".
Explanation:
One's masses would've been dissimilar, even though their width and concentrations were also equal. Whenever the type-A mass is m, then the type-B mass is 2 m. One should measure then, therefore.
Water has a 1g / cm^3 density. Although Type A is higher than air, Type B is much more compact. it means will float if they place it in water type-A where type-B sinks.
animals need to consume other organisms for energy. how would you categorize them based on that information?
Answer:
They would be carnivores.
Explanation:
Which best compares a molecule that has a trigonal planar shape with one that has a trigonal pyramidal shape?
O They both contain three lone pairs of electrons around the central atom.
O They both contain three atoms around the central atom.
O The central atom of the trigonal planar molecule has two lone pairs around it, but the central atom of the trigonal
pyramidal molecule has only one.
O The central atom of the trigonal planar molecule has two atoms around it, but the central atom of the trigonal
pyramidal molecule has only one.
Answer:
B. They both contain three atoms around the central atom.
Explanation:
Answer: b
Explanation:
state four difference between the series and parallel connection?
Answer:
1- The components in a series circuit are arranged in a single path from one end of supply to another end. However, the multiple components in a parallel circuit are arranged in multiple paths where the two end terminals of the battery.
2- In the series circuit, different voltage exists across each component in the circuit. Whereas in the parallel circuit, the same voltage exists across the multiple components in the circuit.
3- The equivalent resistance in case of a series circuit is always more than the highest value of resistance in the series connection. While the equivalent resistance in the parallel circuit is always less than any of the individual resistances in parallel combination.
4- A fault in one of the components of the series circuit causes hindrance in the operation of a complete circuit. As against fault in a single component in a parallel network do not hinder the functioning of another part of the circuit.
The detection of a fault in case of a series circuit is difficult, but it is quite easy in parallel circuits.
3. magnesium oxide + ?______________________ magnesium nitrate + water
word equation:
________________________________________________________________
full equation:
________________________________________________________________
Ionic equation:
________________________________________________________________
Answer:MgO reacts with nitric acid
What is a polar molecule?
A. A molecule with symmetrical polar covalent bonds
B. A molecule with symmetrical nonpolar covalent bonds
C. A molecule with a negative pole and a positive pole
D. A molecule with two atoms of the same electronegativity
Explanation:
A molecule with a negative pole and a positive pole is called a polar molecule.
(d) A molecule with two atoms of the same electronegativity
What is meant by a polar molecule?A polar molecule is usually formed when the one end of the molecule is said to possess more positive charges and whereas the opposite end of the molecule has negative charges, creating an electrical pole.
What is a polar molecule example? Water (H2O) is a polar molecule. The bonds between hydrogen and oxygen are distributed so that the hydrogen atoms are both on one side of the oxygen atom rather than evenly spaced.Sodium Chloride (NaCl) which is an ionic compound acts as a polar molecule. Usually, the large difference in electronegativities in sodium and chlorine makes their bond polar.Learn more about polar molecule on https://brainly.com/question/11405437
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which is a limitation of a scientific model?
Answer:
A limitation of models in science is that they are usually simplified versions of the real situation or concept.sometimes, models spark debates leading to new and improved models.A model may be used when it is impossible to create the conditions necessary to test a concept of theory.
hope it is helpful...
What part of the atom is responsible for the behavior of the alpha particles?
Answer:
nucleus
Alpha particles are subatomic fragments consisting of two neutrons and two protons. Alpha radiation occurs when the nucleus of an atom becomes unstable (the ratio of neutrons to protons is too low) and alpha particles are emitted to restore balance.
Explanation:
Is the freezing point of this 5??
Please correct my mistake if it isn't.
Answer:
yes
Explanation:
Answer:
yes
Explanation:
you're smart have a nice evening
a single cell undergoes mitosis every five minutes how many cells will result from this cell in 20 minutes
Answer:
= 16 cells
Explanation:
Mitosis is the stage of cell division in nonsexual cells of eukaryotic organisms (that is, cells that have a nucleus). It takes place in several phases, begins after DNA duplication and ends with the separation of the two daughter cells.
It is a fundamental mechanism that occurs for the first time in the hours following fertilization.
After duplication of the genetic material, during interphase, it condenses and groups to form chromosomes with two genetically identical chromatids: this is the prophase. The nuclear membrane then dislocates, and the centromeres of the chromosomes (the area where the two chromatids of the same chromosome overlap) bind to the microtubules via the kinetochores. Gradually, all the chromosomes are sequestered at the equator of the cell: this is the metaphase.
Then, during anaphase, the chromosomes will split into two chromatids, each of which is pulled towards a pole of the cell. Thus, at each top of the cell, there is a copy of each chromosome. During telophase, the nuclear envelope will begin to reform around the set of chromosomes as the DNA gradually decondensed. The plasma membrane invaginates equatorially under the action of a ring of myosin and actin. Increasingly narrow, the bridge between the cells eventually breaks, and two cells are formed as a result of cytodieresis. Each of them can resume their growth.
Now; having understood what Mitosis is all about.
When a single cell undergoes mitosis every 5 minutes; we have the formation of two daughter cells.
Then in 20 minutes; we will have:
= [tex]2^{20/5}[/tex]
= [tex]2^4[/tex]
= 16 cells
In a chemical change, the same atoms are recombined into a new substances,
True
Or False
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3-Mention the trends in atomic size,atomic number,mass number,reactivity,boiling & melting points.
Answer:
1 sec......................
Answer:
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Explanation:
You are an employee at "cash for gold" and a customer comes in looking to exchange gold for money. They claim to have 3.47 gram nugget of fold. How many particles (atoms) of gold are in one nugget? With work shown
Answer:
The number of atoms in 3.47 gram nugget of gold is approximately 1.0606 × 10²² atoms
Explanation:
The given mass of gold = 3.47 grams
The molar mass of gold = 196.96657 g/mol
The number of moles of gold in 3.47 grams of gold = 3.47 grams/(196.96657 g/mol)
The number of moles of gold in 3.47 gram nugget of gold = 0.01762 moles
The number of atoms in one mole of gold = 6.02 × 10²³ atoms
The number of atoms in 0.01762 moles of gold = 6.02 × 10²³ atoms/mole × 0.01762 moles
The number of atoms in 0.01762 moles of gold ≈ 1.0606 × 10²² atoms
∴ The number of atoms in 3.47 gram nugget of gold ≈ 1.0606 × 10²² atoms.
Convert this mass to SI Unit: 2000g
Answer: 2 kg
Explanation:
What are some ways you can avoid the health risks of too much radiation
exposure?
Answer: when you go outside protect your skin with sunscreen, protective clothing, a hat, and sunglasses
Explanation:
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Snakes and similar animals are members of a group called reptiles.
How do reptiles differ from other animals?
Answer:
They have skin covered with scales.
C₂H₂
a. resonance
b. no resonance
Answer:
no resonance
Explanation:
Since there is only one possible lewis structure C2H2 does not have resonance. A molecule has resonance if more than one lewis structure can be drawn for that molecule. For molecules with resonance, each lewis structure individually does not accurately depict the structure of the molecule
The number of electrons in the first three energy levels for four neutral elements is shown in the table. The element with the highest ionization energy is-
Answer:
The correct option is;
Element 2
Explanation:
The ionization energy is the energy required to eject an electron from a gaseous ion or atom
The ionization energy increases across the period and increases up the group
The elements with the highest ionization energy are those that have the complete octet structure in their outermost shell, which are the noble gases
Therefore, given that element 2, which has the complete octet structure in the outermost shell, then it is an element of the noble gases which have the highest ionization energy in a period, and therefore has the highest ionization energy.
On the periodic table, the element with 10 electrons is Neon, with ionization energy of 2080.68 kJ/mol which is the second highest after helium, that has only 2 electrons.
What is the most important scientific process
Answer:
atoms bonding
Explanation: