Answers
Answer:
There will be 2 nitrogen and 2 oxygen atoms in the product.
Explanation:
In a chemical reaction, atoms are neither created or destroyed, which means if there are 2 nitrogen atoms in the reactants, there will be 2 nitrogen atoms in the products. Similarly, if there are 2 oxygen atoms in the reactants, there will be 2 oxygen atoms in the products.
Let me know if this helps!
Related Questions
On a Summer day,Thomas is standing in his driveway waiting for his mother. Energy from the sun is making Thomas hot.This energy I'd being transmitted by three different methods. Which is the following is an example of convection?
Answers
Answer:literly same im doing the test. Now and its so hard
Explanation:
Anyone help plz
There is a law called conservation of energy which states that energy can neither be created nor be destroyed. It can be only transferred from one form to another form. Therefore, melting of ice is example of convection type of heat flow.
What is energy transfer in thermodynamics?Energy transfer is a phenomenon in which energy transfer from one matter to another matter. Energy can be transferred in two forms that are by doing work or by transferring heat.
To move any object energy is required so work has to be done by the gas to the piston. Heat can be transferred by three ways conduction, convection and radiation. In conduction, when two object are in direct contact, transfer of molecules takes place. Melting of ice is example of convection type of heat flow.
Therefore, melting of ice is example of convention type of heat flow.
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*25 POINTS PLEASE HELP ASAP!!!*
What happens when elements chemically combine?
1) All elements retain their original properties
2) New properties are formed
3) Only metals retain their original properties
4) New elements are formed
Answers
Explanation
Answer: b
Explanation:
Summary If you were a conservation scientist, what would you like most about your job?
Answers
Explanation:
A conservationist is someone who advocates and champions the cause to protect the environment and use earth's resource in a sustainable way.
One of the interesting perks of being a conservationist is the ability to preserve pristine nature.
This aspect would most fascinate me. The joy of having to enact laws and policies that would preserve very vital aspect of the ecosystem would such a great delight. Also, having to champion the cause of indigenous people in whose voices are not often disseminated is a good catchWhich hypothesis is testable using a scientific experiment? O A. Ancient people liked iron tools better than copper tools. O B. Copper statues look prettier than iron statues. O C. A 100 g iron bar is worth more money than a 100 g copper bar. O D. A copper wire conducts electricity better than an iron wire.
Answers
Answer:The answer would be D.
Explanation:
Conductivity can be tested.
What is the Molar Mass of SiO4?
Answers
A balloon is inflated to a volume of 1.25L .If the temperature of the air inside is cooled from 35°C to 15°C , what will be the final volume of the balloon?
Answers
Answer:
V₂ = 1.17 L
Explanation:
Given data:
Initial volume of balloon = 1.25 L
Initial temperature = 35°C
Final temperature = 15°C
Final volume = ?
Solution:
Initial temperature = 35°C (35+273.15K = 308.15 K)
Final temperature = 15°C (15+273.15 K = 288.15 K)
The given problem will be solve through the Charles Law.
Mathematical expression:
V₁/T₁ = V₂/T₂
V₁ = Initial volume
T₁ = Initial temperature
V₂ = Final volume
T₂ = Final temperature
Now we will put the values in formula.
V₁/T₁ = V₂/T₂
V₂ = V₁T₂/T₁
V₂ = 1.25 L × 288.15 K / 308.15 k
V₂ = 360.2 L.K / 308.15 k
V₂ = 1.17 L
Question 1.
Which is a limitation of using cellulose?
A.its lack of mass production
B.its lack of biodegradability
C.its harm to landfills
D.its high cost to recycle
Question 2.
Which refers to a macromolecule that forms as a result of the joining of multiple monomers?
A. amino acid
B. glucose
C. nucleic acid
D. polymer
Question 3
What does the octet rule state that explains why atoms bond?
A. Atom bonds have eight valence electrons to become stable.
B. Atom bonds lose eight valence electrons to become stable.
C. Atom bonds have eight valence electrons to become unstable.
D. Atom bonds to lose eight valence electrons to become unstable.
Question 4
Shameeka is studying for an exam. She took the notes below about calcium and chlorine, which are known to form ionic bonds.
Calcium, which is a metal, donates 2 electrons to chlorine.
The individual calcium atoms become ions with a negative 2 charge.
The bond between calcium and chlorine makes the atoms stable.
Calcium and chlorine attract each other.
Which best describes Shameeka’s error?
A.Calcium is a metal, so it donates protons, not electrons.
B.The individual calcium atom has a positive, not negative, 2 charge.
C.The bond formed makes the atoms unstable, not stable.
D.Calcium and chlorine repel, not attract, each other.
Answers
Explanation:
Question 1
D
Question 2
D
In a molecule of fluorine, the two shared electrons give each fluorine atom how many electron(s) in the outer energy level
Answers
Answer:
8 electrons
Explanation:
As per the octet rule, the atoms possess a tendency to bond in a manner that every atom must have at least eight(8) electrons in its outermost/valence shell. It can be done either by sharing, gaining, or losing electrons from one atom to another. According to this rule, flourine would have 8 electrons in its outer shell after two shared electrons are given to it.
There should be 8 electrons in the outer energy level.
The following information should be considered:
According to the octet rule, the atoms possess a tendency to bond in a manner that each & every atom should have minimum eight(8) electrons in its outermost/valence shell. It could be done via by sharing, gaining, or losing electrons from one atom to another.Learn more: brainly.com/question/17429689
Complete the sentence. When an acid is added to water, hydrogen ions __________.
A) increase
B) decrease
C) stay the same
D) disappear
Answers
Answer:
Increases
Explanation:
Help me pls ASAP if you know it thank you!
Answers
Answer:ASEXUAL: Single parent, Genetically identical, Replication,Budding, splitting / splicing and plant cutting propogation SEXUAL: Two parents, genetically unique, Humans and Cows
Explanationasexual is one parent or stays the same, sexual is where two combine
Which of the following statement is true about the crust?
The crust is always made of different materials under the mountains than under the oceans.
The crust is the same thickness both under the mountains and oceans.
The crust is thinner under the mountains than under the oceans.
The crust is thinner under the oceans than under the mountains.
Answers
Answer:
The crust is always made of different materials under the mountains than under the oceans.
Explanation:
Right answer
Mark me as brilliant and thank you.
Among the given statements option 4 is correct. The crust is thinner under the oceans than under the mountains. The composition of earth crust should vary from that under oceans.
What is crust ?The earth crust is made of rocks and soil made of different elemental compositions. The crest properties in region may varies in each region. The continental thickness of crest is always thicker than the oceanic crest.
The layer of granitic, sedimentary, and metamorphic rocks that makes up the continental crust is what gives rise to the continents and the continental shelves, or shallow seafloor regions adjacent to their shores. Since it is less dense than the mantle material, it "floats" on top of it.
Even though it is significantly thicker—typically 35 to 40 km vs the average oceanic thickness of roughly 7 to 10 km—continental crust is less dense than oceanic crust. Currently, continental crust covers about 40% of the Earth's surface.
The thinnest continental crust is found in rift zones, where it is finally split and replaced by oceanic crust after thinned by detachment faulting. (both sides of the Atlantic Ocean, for example). Hence, option 4 is correct.
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What happens when two magnets rappel each other hehe
Answers
Answer:
Every magnet has two sides: a north pole and a south pole. We use these names because if you hang a magnet from a thread, the magnet’s north pole points (almost) towards the north direction.
This is because the Earth’s core (its centre) is a large, weak magnet. Your little, strong magnet lines up with Earth’s magnetic core, so it points north. That’s how a magnetic compass works.
Write the formula for silicon pentabromide.
Answers
That would be SiBr4, hope this helps ^^
Silicon pentabromide has the formula SiBr₅ . It is a covalent compound formed by electron sharing between Si and Br atoms.
What is silicon pentabromide?Silicon pentabromide is a covalent compound formed by sharing of electrons between Si and Br atoms. Silicon is 14th group element and it has 4 valence electrons. It needs 4 more electrons to achieve octet.
Br is 17th group element having 7 valence electrons. It needs 1 more electron to achieve octet. Thus, it combines with other atoms by gaining or sharing electrons.
The compound SiBr₅ is in fact does not exist. Because Si does not have 5 electrons in its valence shell to share with each Br. But Br can share its one electron with Si, and Si will gain 9 electrons in its valence shell and thus deviates from rule of octet.
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7. I have 2.50 x 1023 atoms of titanium. How many moles of titanium dol
have?
Answers
Answer:
0.42mole
Explanation:
Given parameters:
Number of atoms of titanium = 2.5 x 10²³atoms
Unknown:
Number of moles = ?
Solution:
To solve this problem, we must understand that a mole of any substance contains the Avogadro's number of particles.
6.02 x 10²³ atoms makes up 1 mole of an atom
2.5 x 10²³ atoms will contain [tex]\frac{2.5 x 10^{23} }{6.02 x 10^{23} }[/tex] = 0.42mole
1 mole Fe2(CrO4)3 = ____g Fe2 (CrO4)3.
Answers
Answer:
459.6711 grams
Explanation:
The awnser
How far can a S-wave travel in 16 minutes?
Answers
Answer:
1500 meters per second
Explanation:
which is 15 football fields
Answer:
1 to 8 km per second.
What is the acceleration of a 5 kg object if a force of 50 N was applied to it?
a
45 m/s2
b
250 m/s2
c
10 m/s2
d
55 m/s2
Answers
Answer:
c.10 m/s²
Explanation:
By the newton's second law
Please I need this answer
Answers
Answer:
wave c i think
Explanation:
How many atoms are in 30 grams of sulfur?
Answers
Answer:
l think,probably 6.022 X 1023
Answer:
0.93559956338688
Explanation:
the cowardly lion and the hungry tiger objective
Answers
Answer:
It is one of the six Little Wizard Stories of Oz. The Cowardly Lion and the Hungry Tiger have grown bored with their guard duty at Ozma's throne in the Royal Palace of the Emerald City. The Lion wants to attack a man and make "chop suey of him." The Tiger longs, at last, to satisfy his hunger for a fat baby.
Explanation:
i hope this help u
Where is this gas produced? help ASAP
Answers
Answer: Natural gas is produced from onshore and offshore natural gas and oil wells and from coal beds.
Explanation:
Help Determine the number of lead (Pb) atoms that could fit into a 3.0 L container if the density of lead is 11.34 g/cm3
Show work pls
Answers
Explanation: You know that the mass of an individual lead atom is equal to
3.4
⋅
10
−
22
grams.
A substance's density tells you what its mass per unit of volume is. In this case, you know that lead has a density of
11.3 g/cm
3
, which means that each
cm
3
of lead will have a mass of
11.3 g
.
Now, your cube has a volume of
2.00 cm
3
, which means that its mass will be equal to
2.00
cm
3
⋅
density
11.3 g
1
cm
3
=
22.6 g
Now all you have to do is look at the mass of one lead atom and figure out exactly how many lead atoms would be needed to make the total mass of the cube equal to
22.6 g
.
22.6
g
⋅
the mass per atom
1 lead atom
3.4
⋅
10
−
22
g
=
6.647
⋅
10
22
lead atoms
Rounded to two sig figs, the number of sig figs you have for the mass of an individual lead atom, the answer will be
no. of lead atoms
=
6.6
⋅
10
22
atoms
You can double-check this result by using lead's molar mass, which tells you what the exact mass of one mole of lead is.
22.6
g
⋅
1 mole Pb
207.2
g
=
0.1091 moles Pb
Now use Avogadro's number to determine how many atoms of lead you have in that many moles
0.1091
moles
⋅
6.022
⋅
10
23
atoms
1
mole
=
6.57
⋅
10
22
atoms
To two sig figs, you will once again get
no. of lead atoms
=
In Figure 2.4, what is the total number of electrons that can occupy the n=
3 level? *
3
6
9
18
Answers
Answer:
18
Explanation:
The n - level given is 3
To find the number electrons that can occupy this level, we use:
2n²
n - is the energy level.
The energy level here is 3;
2 x 3² = 18
define acids and base???
Answers
Answer:
An acid is a substance that donates protons or accepts a pair of valence electrons to form a bond A base is a substance that can accept protons or donate a pair of valence electrons to form a bond.
Explanation:
Explanation:
An acid is a substance that donates protons (in the Brønsted-Lowry definition) or accepts a pair of valence electrons to form a bond (in the Lewis definition). A base is a substance that can accept protons or donate a pair of valence electrons to form a bond...........
Which statement describes the energy and bonding changes as two atoms of fluorine become a molecule of fluorine?
1
Energy is absorbed as a bond is broken.
2
Energy is absorbed as a bond is formed.
3
Energy is released as a bond is broken.
4
Energy is released as a bond is formed.
Answers
Answer:4
Explanation: I know because I got it right
Statement that gives description as regards energy and bonding changes between atoms such as fluorine become a molecule of fluorine is : 4:Energy is released as a bond is formed.
Bond energy can be regarded as the amount of energy that is needed in breaking apart a mole of molecules to component atoms.When atoms bond together, they use to attain lower energies compare when they were in individual atoms , hence energy will be released as bond is formed.Therefore, option 4, is correct.
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Why does the arrow labeled Fnorm point upward?
O A. Gravity pushes up.
O B. The statue pushes up.
O C. The ground pushes up.
O D. Air resistance pushes up.
Answers
Answer: The ground pushes up
Explanation:
What are 3 different units of measurement for measuring the amount of space a sample of matter occupies?
Answers
Answer:
Liters
Cubic centimeter
Cubic decimeter
Explanation:
The amount of space a matter occupies is the volume of the body. Gases takes up by far the largest amount of space because they fill into any available space.
There are several units of measuring volume but the more common one are:
Liters, Cubic decimeter and cubic centimeter.
The volume of a body can be derived in many ways. Some by measuring and others by indirect quantification.
Which of the following is NOT evidence of a chemical reaction
A. rotting food
B. wax burning in a candle
C. Bubbles forming when Alka Seltzer is placed in water
D. Steam from your shower condensing into water droplets on your mirror
Answers
Answer:
a I believe
Explanation:
Have a good day
Potassium permanganate, KMnO, and glycerin, C3H5(OH)3, react explosively according to the
following equation:
4 KMnO4, +4 C3H5(OH)5, -7K2CO3, + 7 Mn2O3, +5 CO2, + 16 H2O
What volume of Co2 at STP can be produced from 701,52 g of KMnO4?
Answers
The volume of CO2 at STP =124.298 L
Further explanationGiven
Reaction
4 KMnO4, +4 C3H5(OH)5, -7K2CO3, + 7 Mn2O3, +5 CO2, + 16 H2O
701,52 g of KMnO4
Required
volume of CO2 at STP
Solution
mol KMnO4 (MW=158,034 g/mol) :
mol = mass : MW
mol = 701.52 : 158.034
mol = 4.439
mol CO2 from equation : 5/4 x mol KMnO4 = 5/4 x 4.439 = 5.549
At STP 1 mol = 22.4 L, so for 5.549 moles :
=5.549 x 22.4
=124.298 L
how a cold front affects weather.
Answers
Answer:
A cold front forms when a cold air mass pushes into a warmer air mass. Cold fronts can produce dramatic changes in the weather. ... As the cold front passes, winds become gusty. There is a sudden drop in temperature, and also heavy rain, sometimes with hail, thunder, and lightning.
Answer:
Explanation:A cold front forms when a cold air mass pushes into a warmer air mass. Cold fronts can produce dramatic changes in the weather. As the cold front passes, winds become gusty. There is a sudden drop in temperature, and also heavy rain, sometimes with hail, thunder, and lightning.