Answer:
Depends since Chemical equation is not written clearly...
Explanation:
if if the comma represents an equal sign then I would assume that this would be a single replacement... however if this is all one equation I would assume it is a double replacement.
The type of chemical reaction shown in the question is a: A. Single replacement.
A chemical reaction can be defined as a chemical process involving the continuous transformation (rearrangement) of either the ionic, atomic or molecular structure of a chemical element, especially through the breakdown and formation of chemical bonds, in order to produce a new chemical compound.
In Chemistry, there are five (5) main types of chemical reaction and these include;
Combination reaction.Combustion reaction.Double-replacement reaction.Decomposition reaction.Single-replacement reaction.A single-replacement reaction is also referred to as a single-displacement reaction and it can be defined as a type of chemical reaction wherein a single (one) chemical element of the reacting chemical compound is replaced (substituted) by a similar chemical element.
Basically, a single-replacement reaction typically involves a single element ([tex]O_2[/tex]) replacing another element ([tex]Cl_6[/tex]) within a chemical compound ([tex]SeCl_6[/tex]).
[tex]SeCl_6+O_2[/tex] ----> [tex]SeO_2 + 3Cl_2[/tex]
In conclusion, the above chemical reaction is a single-replacement reaction because oxygen gas replaces the chlorine molecules in selenium hexachloride.
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Describe the role of the ocean in the water cycle?
Answer:
Don't get me wrong the seas are, by distant, the biggest store of water on soil, over 96% of all of Earth's water exists within the seas. Not as it were do the seas give dissipated water to the water cycle, they moreover permit water to move all around the globe as sea streams. I mean, that's all i know man, give me a break.
Explanation:
Compare a mixture and a compound. How are they alike?
Contrast a mixture and a compound. How are they different
Answer:
1.Difference.
Mixtures are physically combined and can be separated by physical means while compounds are chemically combined and are separated by chemical means.
2.Mixtures do not have mixed boiling and melting points while compounds have mixed boiling and melting points.
2.Similarity.
Both mixtures and compounds are composed of two or more substances or elements combined.
Both can be separated.
Mixtures and compounds are alike in the following ways:
1. Both mixture and compound contains two or more substances.
2. Both mixture and compound can be separated.
3. Both mixture and compound have physical properties.
Differences between mixture and compound:Mixtures and compounds are different in the following ways:
1. A mixture contains two or more substances that are not chemically combined together while a compound contains two or more substances chemically combined together.
2. A mixture can be separated by physical methods while a compound can only be separated by chemical methods.
3. Mixtures can not be represented using a chemical formula. Compounds can be represented by chemical formula.
4. Examples of mixtures include: milk, kerosene in water etc. Examples of compounds include water, sodium chloride etc
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With a force of 5 newtons, Amanda pushes the stack of books to the right. At the same time, Jeremy, her little brother, pushes the stack of books to the left with a force of 10 newtons.
Answer:
A. 5 N to the left
Note: The question is incomplete. The complete question is given below:
With a force of 5 newtons, Amanda pushes the stack of books to the right. At the same time, Jeremy, her little brother, pushes the stack of books to the left with a force of 10 newtons.
What is the direction and magnitude of the resulting force?
A. 5 N to the left
B. 5 N to the right
C. 10 N to the right
D. 10 N to the left
Explanation:
Forces are vector quantities.
Vector quantities are quantities that can be represented both in magnitude and direction.
Forces have both magnitude and direction. Forces can be directed positively or negatively.
For example, in the question above, if forces acting to the right are considered to be in the positive direction, forces acting to the left are considered to be acting in a negative direction.
In the addition of forces, both their magnitude and direction are taken into consideration.
In the example above, taking forces acting to the right as positive and to the left as negative, the sum of the forces is:
Resultant force, F = (5 N) + (-10N)
F = -5 N
Therefore, the net force is 5 N and is directed towards the left
Answer:
5 N to the left
True or False:Excessive thermal energy will result in the removal of salt from the oceans.
Answer:
false
Explanation:
the excessive heat would cause the water to evaporate so it wouldn't remove the salt it would remove the water. what you would get would be an ocean bed with tons of salt at the bottom.
1. Give the similarity (or similarities) between Cl and CI^(-1).
Answer:
1) atomic number is the same. Both, chlorine atom and anion, have atomic number 17. They have 17 protons in nucleus of an atom.
2) both are the same element.
Explanation:
CAN SOMEONE PLEASE HELP ME WITH THIS
Answer:276ml
Explanation:
What is the overall charge of the compound, NaF?
+2
-2
-1
0
Answer: -1
Explanation: It is neutral because the Na and F atoms are transferring their valence electrons in order to become stable. This results in an overall stable atom. If we were to identify the individual charges of verbalized atoms, Na would have a positive charge, and F a negative charge - both of 1.
It's not -1.
the answer is (0), hope this helped
In the future, what would you expect to happen to the distances between galaxies?
The distances between galaxies are expected to increase.
This is due to the endless expansion of the universe, proposed by cosmological inflation.
What does chemical weathering do to the original minerals (THIS IS SCIENCE BUT I COULDN'T FIND SCIENCE CATAGOREY)
Answer:
Chemical weathering changes the composition of the original minerals.
Explanation:
Four substances are tested for different properties. The results of the tests are in the table below.
Substance
Combustible
Reactivity
Solubility in water
Solubility in ether
Boiling point (ºC)
W
Yes
Yes
Soluble
Insoluble
883
X
Yes
No
Insoluble
Insoluble
2,750
Y
Yes
No
Insoluble
Soluble
196
Z
No
Yes
Soluble
Soluble
98
Which substance is most likely an alkane?
W
X
Y
Z
Answer:
Element Y, or the third option
Explanation:
Alkanes are insoluble in water, but soluble in ether. Their boiling points are pretty low, barely reaching 200 degrees, so element Y is an alkane.
Answer:
c.
Explanation:
Which procedure is an attempt to correct a genetic disorder by replacing a mutated gene with a normal allele?
selective breeding
cloning
artificial selection
gene therapy
Answer:
Hi, the answer is C. Artificial Selection
I know this becasue I just finished my test
Explanation:
What is the temperature of someone with a fever? Select the better estimate.
40°F
40°C
Answer:
40°C
Explanation:
THIS S VERY HIGH FEVER
AS 40°C = 104°F
whats a proton? answer
Answer:
a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
Explanation:
can i get brainliest
Answer:
a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
Explanation:
what happens to molecules when the temperature drops or lowers
A the molecules stop moving
B the molecules get closer together
C the molecules start moving faster
D the molecules become smaller
Why are ions usually formed during the interaction of metal with nonmetal and not between two metals?
Explanation:
Ions are always formed when metals and non-metals interact because metals are electropositive. They willing release electrons to non-metals that are electronegative.
This activity results in charge separation. The transfer of electrons from one specie to another is what results in an ionic bond and the precedence of charged particles.
Between non-metals, the electrons are jointly shared. Therefore, there is no charge separation.
A beaker contains 318 mL
m
L
of a 5.75 M
M
HCl(aq)
H
C
l
(
a
q
)
solution. Determine the new concentration of the solution after it is diluted by adding 143 mL
m
L
of water to the beaker.
Answer:
3.97 M
Explanation:
Given data:
Initial volume V₁ = 318 mL
Initial molarity M₁ = 5.75 M
New volume V₂= 461 mL
New concentration M₂= ?
Solution:
New volume V₂= 143 mL+ 318 mL
New volume V₂= 461 mL
Formula:
M₁V₁ = M₂V₂
M₂ = M₁V₁ / V₂
M₂ = 5.75 M × 318 mL / 461 mL
M₂ = 1828.5 M. mL/ 461 mL
M₂ = 3.97 M
Which belief is the basis of Ptolemy's geocentric model of the solar system?
Answer:
"Earth-centered," or "geocentric" Ptolemy thought that all celestial objects — including the planets, Sun, Moon, and stars — orbited Earth. Earth, in the center of the universe, did not move at all.
Explanation:
Answer:
Geocentric
Explanation:
Its the belief that earth was the center of the solar system instead of the sun
A person is pushing a box with a mass of 25 kg. If it accelerates at 0.3 m/s2, what is the force being applied to the cart?
Answer:
The answer would be 80kg
Explanation:
Have a good day.
An object has a mass of 60 ounces and a volume of 30 cups. What is the density? _______ oz/cup (your answer should *only* be a number, round to one decimal place if needed) *
Answer:
2.0
Explanation:
Given data:
Mass of object = 60 ounce
Volume of object = 30 cups
Density = ?
Solution:
d = mass/ volume
d = 60 ounce/ 30 cup
d = 2.0 oz/cup
Thus, density of object is 2.0 oz/cup.
Determine a skier's velocity in km/h, if it takes her 1.7 min to ski down a
1.67 km slope.
Answer:
103
Explanation:
do not listen to the haters
If a neutral compound is composed of carbon and hydrogen and you know that it has exactly 2 carbons connected by a double bond, how many hydrogens will the compound have?
Answer: 4 hydrogens
Explanation:
This is what the structure will look like C=C. Remember that it's important that all structures have a complete octet. As it looks right now each carbon is sharing 4 valence electrons so each needs 2 more bonds to hydrogen complete its octet.
Answer: 4 hydrogens
Explanation:
Which option will increase the rate of reaction?
A) removal of one of the reactants
B) decrease the volume of container
C) lower the temperature of reaction
D) reduce the pressure in the container
Answer:
B
Explanation:
when you increase the pressure of a closed container , its volume decreased.
in general when pressure is increased, rate of reaction is increased.
A student needs to use sodium nitride in an experiment and finds a chemical with the formula NaNO3 . Is this the correct compound? Why or why not?
A. Yes, NaNO3 is the formula for sodium nitride.
B. No, NaN is the formula for sodium nitride; NaNO3 is the formula for sodium nitrate.
C. No, NaN is the formula for sodium nitride; NaNO3 is the formula sodium nitrite.
D. No, Na3N is the formula for sodium nitride; NaNO3 is the formula for sodium nitrat
Answer:
Yes, NaNO3 is the formula for sodium nitride.
Calculate the average atomic mass of antimony
Antimony-121 has a mass of 120.904 amu and a natural % abundance 57.21
Antimony-123 has a mass of 122.904 amu and a natural % abundance of 42.79
can you give the work aswell trying to understand how to do it
Answer:
Wow, now this one is a hard one, took me quite a while to figure it out but here it is
The abundances of the two isotopes is:
Antimony-121 = 57.2%
Antimony-123 = 42.8%
Explanation:
Help me please guys :)
Explanation:
1. Methane
2. Diamond
3. not sure : )
8 words of environmental problems
What is the half life of an atom that goes from 16000 g to 125 g in 163.24 days.
Answer:
[tex]23.32\ \text{days}[/tex]
Explanation:
N = Final mass of atom = 125 g
[tex]N_0[/tex] = Initial mass of atom = 16000 g
t = Time taken = 163.24 days
[tex]t_{1/2}[/tex] = Half life
We have the relation
[tex]N=N_0\dfrac{1}{2}^{\dfrac{t}{t_{1/2}}}\\\Rightarrow 125=16000\times \dfrac{1}{2}^{\dfrac{163.24}{t_{1/2}}}\\\Rightarrow \dfrac{125}{16000}=\dfrac{1}{2}^{\dfrac{163.24}{t_{1/2}}}\\\Rightarrow \ln0.0078125=\dfrac{163.24}{t_{1/2}}\ln0.5\\\Rightarrow t_{1/2}=\dfrac{163.24\times\ln0.5}{\ln0.0078125}\\\Rightarrow t_{1/2}=23.32\ \text{days}[/tex]
The half life of the atom is [tex]23.32\ \text{days}[/tex].
what is 43 mg into grams
Hello there :) here are the answers and hope you a GREAT Thanksgiving :)
0.043 grams
Based on the diagram, which statement explains how energy is conserved during this chemical reaction? (A) is also gained by the surroundings. B. The potential energy changes indicated by C and B involve energy lost by the surroundings. C. The potential energy lost by the reaction system (C) is also lost by the surroundings. D. The potential energy lost by the reaction system (B) is gained by the surroundinas
Based on the diagram, the statement explains how energy is conserved during this chemical reaction is the potential energy lost by the reaction suystem (B) is gained by the surroundings.
What is exothermic reactions?Those reactions in which eneregy is released during the whole process, because energy of product is less than the energy of reactants.
In the given diagram it is given that energy of the reactants are more as compare to the products, so the reaction is exothermic in reaction means heat is released during this reaction. This released energy will absorb by the surrounding of the reaction system to maintain the law of conservation of energy.
Hence, option (D) is correct.
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The statement that explains how energy is conserved during this chemical reaction is the potential energy lost by the reaction system (B) is gained by the surroundings.
What is conservation of energy?The law of conservation of energy says that the energy of an isolated system never changed.
The energy neither be created nor destroyed.
Thus, the correct option is D. the potential energy lost by the reaction system (B) is gained by the surroundings.
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Identify the following examples as either physical or chemical change.
(Ill give brainliest if right)
Answer:
7. Chemical
8. Chemical
9. Physical
10. Physical
11. Physical
12. Physical
Explanation: