Answer: possibly diffusion
Explanation:
all particles are in motion unless at a certain degree so they'd spread throughout the room diluting as they continue to spread out.
please please answer this question!!!!!!
cell membrane - phospholipd bilayer
pigmented - chloroplasts
chloroplasts - oval shaped with two membranes
rectangular or cubed - plant cell
nucleus - control centre
hope that's what you are looking for
How many grams of copper would you need to produce 50.0g of silver? 1 Cu + 2 AgNO3 ----> 2 Ag + 1 Cu(NO3)2
What do Cl-35 and Cl-36 have in common?
Answer:
they have same atomic number as they are the same element & electrons
Answer: they both have the atomic (proton number) as they are the same element hence they also they have the same number of electrons. Therefore they have similar chemical properties, as the electrons determine the chemical property of an element.
Explanation: The numbers 35 and 37 are the mass numbers for the two isotopes of chlorine. They both have the same atomic number (proton number ) as they are the same
What is the significance of cell division?
A. to make ATP
B. to prevent replication
C. to repair and replace other cells
D. to make glucose
which particle diagram represents a sample of oxygen gas at stp
The diagram in image (4) in the image attached represents a sample of oxygen gas at stp.
Oxygen is a diatomic molecule, a diatomic molecule is a molecule that consists of only two atoms of the same element. In this case, the oxygen molecule consists of two oxygen atoms.
If we look at the diagram in the image attached very well, we will discover that the image in diagram (4) shows a molecule composed of two atoms of the same element and this fits exactly into the description of the oxygen molecule.
Learn more about diatomic molecules:
Particle diagram 4 represents the particles of oxygen at standard temperature and pressure.
A model of molecular (or diatomic) oxygen, which is made up of two oxygen atoms attached to each other through a covalent bond.
Dioxygen, also known as oxygen, is a naturally occurring molecule made up of two oxygen atoms that attach to each other with a strong covalent bond to form oxygen (dioxygen). Oxygen is sp3-hybridized, i.e. it has 4 sp3 hybrids. One of these hybrid orbitals overlaps with the s orbitals of hydrogen to create the O-h sigma bonds.
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The diagram in question is attached below.
Large networks of ators covalently bonded together are called:
a) Giant covalent structures
b) Molecular structures
c) Giant ionic lattices
d) Superconductors
Answer:
Giant Covalent Structures, Diamond and Graphite are giant covalent structures since they're allotropes of Carbon.
Answer:
Giant covalent structures contain very many atoms. , each joined to adjacent atoms by covalent bonds. The atoms are usually arranged into giant regular lattices - extremely strong structures because of the many bonds involved.
Significant digits for the number 80
Answer:
8 and 0
Explanation:
8 and 0 together make 80
substance x reacts with sodium carbonate to form a gas . The gas turns lime water cloudy. What is substance K and which process takes place in the reaction?
When sodium carbonate reacts with hydrochloric acid, Carbon dioxide gas is released. Pass the gas through calcium hydroxide,the solution turns milky indicating that the gas is Carbon dioxide .
The substance K is hydrochloric acid and this is called as neutralisation.
hope this helps u
◌⑅⃝●♡⋆♡MICKZMINNZ♡⋆♡●⑅◌
Substance x is an acid. The process that takes place in the reaction is a Neutralization reaction
Neutralization reactionFrom the question, we are to determine what substance x is.
First, we will identify the gas given off.
The gas that turns lime water milky is carbon (IV) oxide (CO₂) gas.
RECALL: Acids react with carbonate to produce salt and water with the release of carbon dioxide gas.
Hence, substance x is an acid. The process that takes place in the reaction is a Neutralization reaction.
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HELP WILL MARK BRAINLIEST
If an electrically charged plastic bag is placed close to an uncharged cloth, what will happen?
The charge of the bag will change.
The charge of the cloth will change.
The plastic bag will attract the cloth.
The plastic bag will repel the cloth.
Answer:the plastic bag will attract the cloth
Explanation:
Answer:
c
Explanation:
hope this helps
PLEASE help in the middle of a test: When table salt forms, which action occurs between the reacting elements?(1 point)
Answer:
don't know if this is what your looking for but it might be a NEUTRILIZATION REACTION.
Answer:
i think its sodium donates an electron to chlorine
Explanation:
Normal human sex cells have 23 chromosomes. Use the art to determine the number of chromosomes a sex cell may have if the nondisjuction occured during Meiosis I. Include all possible chromosome totals.
Answer:
46.....................
23.
What would happen to the substance in the jar if energy was added?
Answer:
it would explode
Explanation:
dont put that as an answer i need point for finals
-
Which image shows in nonrenewable resource?
Answer:
1
Explanatio
right on edge
Among the given images, the one which is an example of non-renewable source of energy is image -1 the cooking gas is a petroleum product and it is non-renewable.
What are non-renewable energy sources?Non-renewable energy sources are sources of energy that come from finite resources that cannot be replenished on a human timescale. They are called non-renewable because their reserves are being depleted faster than they can be replenished. These energy sources include:
Fossil fuels: Coal, oil, and natural gas are the three main types of fossil fuels. They are formed over millions of years from the remains of plants and animals that lived long ago. Fossil fuels are currently the most widely used sources of energy for electricity generation, transportation, and industrial processes.
Nuclear energy: Nuclear energy is produced through the process of nuclear fission, which involves splitting atoms of uranium or plutonium to release energy. Nuclear power plants generate electricity using this process.
Non-renewable energy sources are a major contributor to greenhouse gas emissions, which contribute to climate change. As a result, there is a growing need to transition to renewable energy sources that are sustainable and have a lower environmental impact.
Here, image 1 - cooking gas is non-renewable.
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How long is a bench? Select the best estimate.
4 centimeters
4 milllimeters
4 kilometers
4 meters
Answer:
4 meters
Explanation:
4 centimeters and millimeters are too small, while 4 kilometers is too large.
which compound contains both ionic and covalent bonds
Answer:
Any compound that contains a metal ion and a polyatomic ion would work. Polyatomic ions are covalently bonded non-metals that have some overall charge. Examples of common polyatomic ions include OH⁻ (hydroxide), NH₄⁺ (ammonium), and NO₃⁻ (nitrate). So answers to this question can be something like KOH (potassium hydroxide), but really, anything works if it contains a metal ion and a polyatomic ion.
either elements or compounds which are present prior to a chemical reaction
Answer:
Do you mean the reactants? They are present prior to the reaction taking place. The products are the results of the reaction.
Find the mass in kilograms of the liquid air that is required to produce 600L of oxygen. In normal condition, 1L of liquid air has 1.3g
Explanation:
1L is 1.3 g so 600L is 780 g
1kg= 1000g so
780 g = 0.78kg
I GUESS
Mass in kilograms of liquid air required = 0.78 kg
Given that
1 Litre of liquid air contains 1.3 grams of oxygen ( air )
Determine the amount of liquid air in Kg
volume of air given = 600 L
mass of liquid air required = x
1 litre = 1.3 grams
600 L = x
∴ x ( mass of liquid air ) = 1.3 * 600
= 780 g = 0.78 kg
Hence we can conclude that Mass in kilograms of liquid air required = 0.78 kg
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Which two elements have more protons per atom than phosphorus?
Answer:
nitrogen have more protons per atom than phosphorus
Oxygen and fluorine are the two elements that have more protons per atom than the element phosphorus.
What is phosphorus?Phosphorus (P), a nonmetallic chemical element of something like the nitrogen group (Group 15 [Va] of the periodic table), is a colorless, semitransparent, soft, sticky solid that glows in the dark at room temperature.
Hennig Brand, a German businessman with an interest in alchemy, appears to have discovered phosphorus around 1669. Brand left 50 buckets of pee alone till they putrified and "produced worms." He then reduced the urine to a paste and burned it with sand to extract elemental phosphorus first from combination. Oxygen and fluorine are the two elements that have more protons per atom than phosphorus.
Therefore, oxygen and fluorine are the two elements that have more protons per atom than phosphorus.
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how many atoms of mercury are in 50.15 g of mercury?
Answer:
please mark brainliest
Explanation:
The correct answer to this question is 0.2500 mol
Formula to calculate moles:
Moles = mass ÷ molar mass (n=m/M)
Mass = 50.15g
Atomic mass: 200.59 amu
Moles = 50.15g/200.59
= 0.2500 mol.
HELP PLSS ASAP PLEASE
Answer:
5.24 x 10^23
Explanation:
Avogadro's constant is 6.02 x 10^23
1 mol = 6.02 x 10^23
0.87 mol = 6.02 x 10^23 x 0.87 = 5.24 x 10^23 (2.d.p)
Write the shape of s and p-orbials.
s-orbitals are spherical, while p-orbitals are similar to a 3-D infinity symbol. I have attached an image of the comparison.
10. Would it be possible for an earthquake at this same location to be felt where you live? Why or why not ?
Answer:
yes if big no if weak
Explanation:
According to new research, a large earthquake can not only cause other quakes, but also large ones on the opposite side of the Earth.
What is an earthquake and how it is caused?An earthquake is a sudden movement of rock materials beneath the earth's surface that causes a weak to violent shaking of the ground. The earthquakes are caused by tectonic plate boundaries.
Every day, earthquakes occur all over the world, along both tectonic plate edges and interiors. Earthquakes happen along faults, which are fractures in the rock that allow the blocks to move relative to one another.
Earthquakes are typically caused by underground rock suddenly breaking and rapid movement along a fault. The seismic waves that cause the ground to shake are caused by this sudden release of energy.
A large earthquake can not only cause other quakes, but also large ones on the opposite side of the Earth, according to new research.
Thus, it is possible for an earthquake at this same location to be basically felt where you live.
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Melting gold with other metals makes 10-karat gold. Which term best describes 10-karat gold?
homogeneous mixture
compound
heterogeneous mixture
pure substance
Answer: a
Explanation:
Gold is known to be an element. The term that best describes 10-karat gold is that it is an homogeneous mixture.
Gold as an element of often has an ideal state of purity where there contains nothing but gold atoms.
A heterogeneous mixture is known to be a mixture that cannot be chemically sound everytime. Gold jewelry is known to be a homogeneous mixture as it is always will look good and remain unchanged for a long time.
As good example of homogeneous products, e.g a 1-kilogram 24-karat gold bar has unique properties.
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Why can the grasses now grow when they couldn’t earlier?
Grasses can grow where they could not earlier because the soil conditions, water volume, or rate of sunlight have evolved.
Each species of plant requires specific conditions to thrive. These conditions include:
Nutrients from the soil.SunlightSpecific amount of water.This implies that if the conditions for a specific species are not provided in terms of sunlight, radiation, and water, the plant will not grow in that specific zone. In the same way, if the conditions of a zone change and they are not suitable for a plant species the plant will grow even if this was not possible before.
This key idea is the reason why some plants including grasses can now grow in zones where they did not exist before. Some of the factors that have contributed to this are:
Fertilization: This provides soils with necessary nutrients.Climate change: This has affected climate patterns, and therefore it can increase or decrease radiation.Irrigation: This increases the amount of water available for plants.Learn more about grass in: https://brainly.com/question/3671945
The work you do on a machine is called the_________________
Answer:
THE WORK YOU DO ON A MACHINE IS CALLED WORK INPUT
7. You should see a diagonal band from top left to bottom right across your graph. These are called "main sequence stars". Describe the general trend or relationship they show between temperature and brightness.
Answer: mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
Explanation:
Is mercury an electrolyte at room temperature?
Answer:
No
Explanation:
Despite mercury being a metal, it is a liquid at room temperature. It cannot be an electrolyte. This is because most of the liquids that can conduct electricity or acids bases and salts whereas mercury is a metal.
At room temperature, all the metalloids are solids, while most nonmetals are
Answer:
at their own state.
That leaves only five elements: carbon, phosphorus, sulfur, selenium, and iodine, which are all non-metals and are solid at room temperature.
electric current is passed through water, it decomposes inti hydrogen and oxygen. write full balanced chemical equation for the reaction
Answer:
2H2O ------------------] 2H2 + O2
isotopes of an element contain different numbers of