Gas
Gas particles got the most energy because of how freely the molecules move
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Inside the box is a list of endangered animals in the Philippines. Group the animals in three ways and make a diagram of your groupings in the space below.
Cual es el número maximo de electrones en el subnivel 4s
Answer:
Translated < what is the maximum number of electrons in the sublevel 4s?
answer 32 electrons
Someone pls help me I will make you brain
Answer:
A
Explanation:
I talked about it in Economic Geography and Earth Science, I rememBer this
A mixture of neon and argon gases exerts a total pressure of 2.39 atm. The partial pressure of the neon alone is 1.84 atm, What is the partial pressure of the argon?
Answer:
0.55 atm
Explanation:
According to Dalton's law of partial pressures,
The total pressure is the summation of the partial pressures of individual gases in a sample of non-reactive gases.
Since Neon and Argon are noble gases, they do not react with each other. So we can apply Dalton's partial pressure law.
P total = P Ar + P Ne
2.39 atm = P Ar+ 1.84 atm
P Ar = 2.39 atm - 1.84 atm
= 0.55 atm
According to the Dalton's law of partial pressure the partial pressure of the argon is 0.55 atm.
What is pressure?Pressure is defined as the force applied on an object perpendicular to it's surface per unit area over which it is distributed.Gauge pressure is a pressure which is related with the ambient pressure.
There are various units by which pressure is expressed most of which are derived units which are obtained from unit of force divided by unit of area . The SI unit of pressure is pascal .
It is a scalar quantity which is related to the vector area element with a normal force acting on it.It is distributed over solid boundaries and across arbitary sections of fluid normal to the boundaries at every point.
In this case, pressure of gas argon is obtained by subtracting pressure of gas neon from the total pressure ,that is 2.39-1.84=0.55 atmosphere.
Thus ,the partial pressure of gas argon in atmosphere is 0.55 atmosphere.
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True or false
9.Circuit breaker is used to protect the user of appliance from an electrical shock.
10.Earthing or Grounding involves attaching to the ground a conductor in one line of the circuit to make that line electrically common with the earth. *
Answer:
1. true
2. false
Explanation:
PROMISE PROMISE to make the most of the su in the WORLD CUP and chemica are u doing the meetings with
Which of the following has electrons in a d orbital?
Mg
Si
Cr
Са
Someone pls help me I will make you brain
Answer:
It is true answer. Ozone = O3
is a skateboard matter or no matter
Answer:
it is matter cus everything is made up of matter
Explanation:
Answer: yes
Explanation:
Matter makes up everything
convert 1 bromopropane to bromoethane.
Answer:
The Dehydrohaogenation of 1-bromo propane with alcoholic KOH gives propene which on again hydrohalogenation with HBr gives 2-bromo propane due to Markonikove's rule for addition.
Explanation:
Potassium and bromine combine to make KBr. What is the name of this compound?
potassium bromine
potassium bromide
bromine potassium
bromine potassiumide
2. DEFINE CHEMICAL BOND IN YOUR OWN WORDS.
Answer:
chemical bond are bonds that are strong lasing between chemicals and irons and morecles
Use the following image to answer the following questions. A student was performing an experiment using two identical cups made of styrofoam. The student had Cup A holding water at 90℃ and Cup B holding water at 20℃. The student then put an Aluminum Bar into each cup that was touching the water. As time passed, the student noticed that the temperature of the water in Cup A and Cup B began to change. Question:
A. Predict what will happen to the temperature of the water in Cup A and Cup B after 1 hour has passed.
B. Explain and give evidence for what type of heat transfer is occurring between the 2 cups.
Whoever answers my question gets brainliest
Answer:
The water will eventually become the same temature (A)
How many Atoms are in H2COCH? Need asap pleassseee!
What is the reaction type
2 Mgl2+ Mn(SO3)2 → 2 MgSO3 + Mnl4
Answer:
The reaction type is double displacement
why does it smell like burning when i turn my heat on?
Answer:
your lightbulb is mot likely burnt out
Explanation:
How do you know where something fits on the electromagnetic spectrum? I currently have the Hz but do I need to convert that into something else?
Answer:
can oxygen exist as a liquid and solid
Explain the formation of planets based on our knowledge of the solar system
Planets form from particles in a disk of gas and dust, colliding and sticking together as they orbit the star. The planets nearest to the star tend to be rockier because the star's wind blows away their gases and because they are made of heavier materials attracted by the star's gravity.
How much heat is needed to raise the temperature of 100g of an iron from 25°C to
110°C?
(The specific heat of iron is 0.45 J/g∙°C).
Answer:
382.5J
Explanation:
Use the formula:
E = mcΔθ or Q = mcΔT
m = 100g
c = 0.45 J/g°C
ΔT or Δθ = 110 - 25 = 85°
Sub in the values:
E = 100 × 0.45 × 85
= 382.5J
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help pls now now now
5- perfume sprayed in the air
6- I'm really sorry but I'm not sure
Is chlorine a substance or a mixture
Answer:
its a substance
Explanation:
Ionic bonds form between which two types of elements?
Answer:
Ionic bonds usually occur between metal and nonmetal ions. For example, sodium (Na), a metal, and chloride (Cl), a nonmetal, form an ionic bond to make NaCl.
Explanation:
Answer:
metal and nonmetal ions
Explanation:
When baking soda and vinegar react bubbles are produced. What mostly occurred?
Answer:
a chemical reaction
Explanation:
Answer:
When vinegar comes in contact with baking soda, a cascade of two chemical reactions takes place. The result is carbon dioxide gas—a product of the reactions—bubbling up in a water solution. The bubbles create the fizz and sizzling sound.Baking soda is bicarbonate (NaHCO3) and vinegar is acetic acid (HCH3COO). One of the products this reaction creates is carbon dioxide, which makes the bubbles. When the baking soda meets the vinegar, there is a chemical reaction as carbon dioxide gas is created and fills the balloon causing it to inflate.
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2. Water should not be used to put electrical fires?
Answer:
You should never throw water on an electrical fire because water conducts electricity and you could be electrocuted.
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According to the ideal gas law, which will occupy a larger volume - 100 g of helium or 100 g of oxygen, if both are at the same temperature and pressure.
Answer:
Helium
Explanation:
The pressure of He gas would be greater than that of O2 gas
Where is a mid-ocean ridge exposed above sea level?
Question 11 options:
Himalaya Mountains
Mariana Trench
The Big Island of Hawaii
Iceland
Answer:
ice land should be it
Explanation:
Answer:
Iceland is the answer.
Explanation:
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What are the factors affecting chemical reaction??? 4 points.
Answer:
Surface areaTemperature Concentration Amount of catalyst usedThe nucleus’ pull on its electrons, taking into account any attractions weakened by shielding is called the:
Answer:
It's called the shielding effect
Explanation:
It describes the decrease in attraction between an electron and the nucleus in any atom with more than one electron shell. (I hope this helps)
The attraction pull of the nucleus on its electron weakened by the shielding of the inner shell electron is called the shielding effect.
What is the shielding effect?The shielding effect is the valence electrons are shielded from the attraction toward the nucleus of an atom. The shielding effect is the resistance offered by the inner shell electrons to the attraction of the valence electrons toward the nucleus.
This effect increases down the group in the periodic table as the atomic radii also increase and remains the same in the period. This effect is generated by the electrons present in the middle of the nucleus and valence electrons act as shields that repel those outer electrons.
Therefore, the effective nuclear charge acting on the valence electrons decreases. More shielding effect causes less electronegativity of an atom. The shielding effect describes how easily the electron can be removed from the atom making it more reactive.
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