A “supersaturated” solution contains more dissolved material. supersaturated solutions lies in the temperature of the water. more sugar will dissolve in hot water than in cold. Meaning that by separating the 2, only the supersaturated sugar would dissolve leaving the regular sugar untouched.
Which is an example of potential energy?
Question 7 options:
A fox chasing a mouse
A bowling ball rolling towards the pins
A car sitting at the top of a hill
A kite flying in the air
The ampere is a unit of
A. magnetism.
B. electric current.
C. electric charge.
D. temperature.
Answer: B
Explanation:
The reason its B because Ampere, unit of electric current in the International System of Units (SI), used by both scientists and technologists.
An electric current is a flow of electric charge in a circuit. More specifically, the electric current is the rate of charge flow past a given point in an electric circuit. The charge can be negatively charged electrons or positive charge carriers including protons, positive ions or holes.
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Contrast the three types of intermolecular forces.
Answer: The three major types of intermolecular interactions are dipole–dipole interactions, London dispersion forces (these two are often referred to collectively as van der Waals forces), and hydrogen bonds.
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Why does an ionic bond transfer electrons instead of sharing?
When there is a whole transfer of valence electron between the atoms is called an ionic bond. In this type of bond construction, the atoms get contrarily charged.
The ionic bonds are formed due to electronegativity. According to Pauling, the capability of an atom to draw electrons towards itself is called electronegativity.
When there is a huge contrast in electronegativity between the atoms, the electrons are completely transferred between the atoms.
The atom that relinquishes an electron are called a cation and is positive whereas the atom that acquires an electron are called anions and are negatively charged.
Therefore, due to electronegativity, ionic bonds are formed.
To learn more about ionic bonds follow the link:
https://brainly.com/question/14484184
MgO + HBr → MgBr2 + H2O
Answer:
MgO + 2HBr → MgBr2 + H2O
Explanation:
2 The polar structure of water allows it to act as a solvent for many substances. Which of the
following statements best explains why water is considered polar?
F The unequal sharing of electrons results in the water molecule having a slightly negative
charge near its oxygen atoms and a slightly positive charge near its hydrogen atom.
G The equal sharing of electrons by the hydrogen and oxygen atoms form weak bonds that are
easily broken during dissociation.
H The unequal sharing of electrons results in the water molecule having a slightly positive
charge near its oxygen atoms and a slightly negative charge near its hydrogen atom.
The equal sharing of electrons by the hydrogen and oxygen atoms create a molecule that is
neutrally charged.
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Answer:
to question two When plant roots grow downwards, it is an example of positive geotropism, because they are growing towards the stimulus, the soil. However, when plant shoots grow upwards, it is an example of negative geotropism as they grow away from the stimulus, the soil.Feb 21, 2018
Explanation:
0.190 moles cesium chloride converted to grams
Answer:
31.9881055
Explanation:
0.190*168.35=31.9881055
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Answer:
b
Explanation:
A radioactive substance has a half life of 2.5 days. How much of 25.0 z is left after 10 days?
1.563 g
Further explanationGiven
A half life of 2.5 days ⇒ t1/2 = 2.5 days
initial sample ⇒ 25 g
duration of decay ⇒ 10 days
Required
sample left after 10 days
Analysis
Use decay Formula :
[tex]\tt Nt=No.\dfrac{1}{2}^{T/t1/2}[/tex]
Solution
[tex]\tt Nt=25.\dfrac{1}{2}^{10/2.5}\\\\Nt=25.\dfrac{1}{2}^4\\\\Nt=\boxed{\bold{1.563~g}}[/tex]
Paraphrase
Substance left after 10 days = 1.563 g
How much electronic waste does Orlando produce ?
Answer:
20 to 50 million
Explanation:
What is the total amount of matter in an ecosystem doing?
AnsThe flow of matter in an ecosystem is not like energy flow. Matter enters an ecosystem at any level and leaves at any level. So, its always flowingwer:
Explanation:
Similarities between sliding and fluid friction
What is the density of laughing gas (N2O) at STP?
Help please
Answer:
1.977 g/L
Nitrous oxide
Names
Molar mass 44.013 g/mol
Appearance colourless gas
Density 1.977 g/L (gas)
Melting point −90.86 °C (−131.55 °F; 182.29 K)
Mass = 35g
Density = 5 g/cm3
∙What is the Volume?
Answer:
7cm3
.........
Which element cannot participate in hydrogen bonding?
Carbon dioxide
Explanation:
because when hydrogen mixes with oxygen carbon dioxide is canceled out
What Group would this element be in?
Which component is soluble in water
Answer:
salt
Explanation:
How would adding the catalyst nitrogen monoxide (NO) affect this reaction?
2SO2(g) + O2(g) → 2SO3(g)
A) NO increases the rate at which SO3 molecules are formed.
B) NO reacts with SO3 to produce more SO2 molecules.
C) NO decreases collisions between the SO2 and O2 molecules.
D) NO increases the concentration of the SO2 and O2 molecules.
E) NO increases the activation energy of the SO2 and O2 molecules.
Answer: A) NO increases the rate at which [tex]SO_3[/tex] molecules are formed.
Explanation:
A catalyst is a substance which increases the rate of a reaction by taking the reaction through a different path which involves lower activation energy and thus more reactant molecules can cross the energy barrier by undergoing collisions and convert to products.
[tex]2SO_2(g)+O_2(g)\rightarrow 2SO_3(g)[/tex]
Thus NO will increase the rate of reaction by lowering the activation energy and thus the colllisions among [tex]SO_2[/tex] and [tex]O_2[/tex] molecules will incraese which in turn will lead to formatioon of more [tex]SO_3[/tex] molecules.
Answer:
A) NO increases the rate at which molecules are formed.
Explanation:
PLATO
It takes much less energy to change the temperature of oil than it does to change the temperature of water
Answer:
i think so
Explanation:
If the statement is true, select True. If it is false, select False.
In a physical change, some of the physical properties of the substance may be altered and the chemical composition remains the same.
True
False
Answer:
True
Explanation:
Yes this statement is true.
In a physical change, some of the physical properties of the substance may be altered and the chemical composition remains the same.
Which word doesn't belong?
period, group, family, eighteen
Answer:
eighteen
Explanation:
If you have 23mg of water, at what temperature will it Boil?
Answer:
i believe it is in the 200
Explanation:
QUESTION 10
Which of the following is not a characteristic of ionic compounds?
A. Contains metals and non metals
B. Ions form a crystal structure
C. Conducts electricity in the solid state
D. High melting point
Answer: C. Conducts electricity in the solid state
Explanation:
What is the condensation point and freezing point of neon in KELVIN.
Answer:
-415.5°F (-248.6°C)
Explanation:
Answer: The melting point/condensation point of neon is 24.53888889. Of course, I'm sure you can round that. The freezing point would be 521.74. All of this is in Kelvin
What constitutes a solar system?
Which is larger potassium or bromine
Answer:
potassium.
Explanation:
located at start of period 3, will have larger radius
Answer:
bromine
Explanation:
Heated gaseous atoms of elements emit light in unique colored patterns as electrons drop from
excited energy states to ground energy states. Heated hydrogen atoms have only four colored
lines, red, green, blue and violet. What prediction did Niels Bohr make about electrons based on
this information?
Answer:
b
Explanation:
Consider the compound Al(OH)3. What type of solid does it form?
Answer: crystal lattice
Explanation:
Answer:
A and the next question is c
Explanation:
Edge 2020
Pls someone help ASAP
Answer:
i answed it in before
Explanation: