Answers
In the given molecular geometry, two atoms (C and O) have a tetrahedral molecular geometry.
What is tetrahedral geometry?The tetrahedral geometry is formed when there are four bonds all on one central atom. According to the VSEPR theory, the bond angles between the bonds are 109.5°.
Methane has tetrahedral geometry and the four equivalent bonds in 3 D corresponding to the four corners of a tetrahedron centered on the carbon atom.
In the given molecule, the carbon is attached to three hydrogens and one carbon atom with bond angles of 109.5° have a tetrahedral geometry and shape.
The oxygen atom is attached to two carbon atoms with bond angles of approximately 104.5° and contains two lone pairs. The oxygen atom has a tetrahedral molecular geometry. The oxygen atom is of the form AX₂E₂ and has bent shapes similar to the shape of water.
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Two atoms (C and O) in the specified molecular geometry have a tetrahedral molecular geometry.
When four bonds are present on the same core atom, the tetrahedral geometry is created. The bond angles between the bonds are 109.5° in accordance with the VSEPR hypothesis.
The four analogous bonds in three dimensions that make up methane correspond to the four corners of a tetrahedron that is centred on the carbon atom. Methane has a tetrahedral shape.
One carbon atom with a bond angle of 109.5° and a tetrahedral geometry makes up the carbon in the given molecule, which is joined to three hydrogen atoms.
Thus, with bond angles of roughly 104.5° and two lone pairs, the oxygen atom is joined to two carbon atoms. Tetrahedral molecular geometry characterises the oxygen atom.
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Related Questions
Calculate the percentage by mass of oxygen in trioxonitrate (v) acid, (HNO3). [ H=1, N=14, O=16]
Answers
Answer:
Percentage by mass of oxygen = 76.20% (Approx)
Explanation:
Given:
HNO3
H=1, N=14, O=16]
Find:
Percentage by mass of oxygen
Computation:
HNO3
Total mass = 1 + 14 + 3(16)
Total mass = 63
Mass of oxygen = (3)(16) = 48
Percentage by mass of oxygen = [48/63]100
Percentage by mass of oxygen = 76.20% (Approx)
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Nasha left a hot bowl of soup in a cool room. Her friend tells her that her soup will get cold if she forgets to eat it. How cold could it get?
Answers
Answer:
The temperature of soup will decrease.
The soup will get as cold as the room temperature.
The temperature of soup will decrease. The soup will get as cold as the room temperature.
What is room temperature?Room temperature is a range of air temperatures that most people prefer for indoor settings.
Room temperature is defined differently in different places. It generally refers to a range somewhere between 68 and 74 degrees Fahrenheit.
The temperature of soup will decrease. The soup will get as cold as the room temperature.
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name the type of chemical bonding involved in the formation of ammonium ion from ammonia
Answers
Answer:
When the ammonium ion, NH4+, is formed, the fourth hydrogen is attached by a dative covalent bond
Explanation:
because only the hydrogen's nucleus is transferred from the chlorine to the nitrogen. The hydrogen's electron is left behind on the chlorine to form a negative chloride ion.
Calculate: A. Mercury has a specific Heat Capacity of 0.14 J/goC. How much heat is needed to raise the thermometer temperature 15 oC to 95 oC. There is 5 g of mercury in the thermometer.
Answers
Answer:
[tex]\boxed {\boxed {\sf 56 \ Joules}}[/tex]
Explanation:
We are given the mass, specific heat, and temperature, so we must use this formula for heat energy.
[tex]q=mc \Delta T[/tex]
The mass is 5 grams, the specific heat capacity is 0.14 Joules per gram degree Celsius. Let's find the change in temperature.
ΔT= final temperature - initial temperature ΔT= 95°C - 15°C = 80°CWe know the variables and can substitute them into the formula.
[tex]m= 5 \ g \\c= 0.14 \ J/ g \ \textdegree C \\\Delta T= 80 \ \textdegree C[/tex]
[tex]q= (5 \ g )( 0.14 \ J/ g \ \textdegree C ) ( 80 \ \textdegree C)[/tex]
Multiply the first numbers. The grams will cancel.
[tex]q= 0.7 \ J/ \textdegree C(80 \ \textdegree C )[/tex]
Multiply again. This time the degrees Celsius cancel.
[tex]q= 56 \ J[/tex]
56 Joules of heat are needed.
A neutral solution has what ratio of [H+] and [OH-] ions?
Answers
Which of these is an example of a hypothesis?
HELP ASAP
Answers
Answer:
C. Temperature changes may be due to wind patterns.
Explanation:
A hypothesis is an attempt to explain why something happens. The other answer choices are different parts of the scientific method.
"A" is part of the experiment or procedure.
"B" is part of the experiment or procedure.
"D" is a question that may lead to a hypothesis.
Only C offers a potential testable explanation for a phenomenon.
Answer:
the answer is C: temperature changes may be due to wind patterns.
The first organic compound synthesized was
urea
carbon dioxide
none of these
O
ammonia
Answers
urea is the answer :)
1. Al Einstein drives north 3 blocks, then turns east and drives 3
blocks. Al then turns south and drives 3 blocks.
a. Plot Al's trip on the graph
b. How could Al have made his traveling distance shorter
while maintaining the same displacement?
Answers
Which of the following is a shape that has two foci?
A. A ray
OB. A sphere
O C. A circle
D. An ellipse
Answers
Answer:
It is D.
Explanation:
hellppppp!!!!
Which of the following is an example of chemical energy?
A. the heat of an oven
B. a plugged in toaster
C. an apple
D. a nuclear power plant
Answers
Pls answer I will mark brainiest!!!
Look at the dots around each symbol and the energy levels from the resources above
Be specific with your responses for each question. Your teaching the reader via answers!
Please answer the following questions:
Why does Na(sodium) have only one dot?
Why do none of these diagrams show more than 8 dots?
What relationship do you notice between the dots in these two charts?
The number of dots that hydrogen and helium have in their dot diagram is the same as the number of electrons shown for them on the Periodic Table. Why? (Hint: OCTET RULE)
Answers
Hi! I'd love to help you if I can. Is there a picture that was provided? I'm sure I can assist you, but there seems to be some missing information.
Which molecule has the most atoms?
A. CO2
B. N202
C. CO
D. H₂O S
Answers
N202 ~ 4 atom
CO ~ 2 atom
H2OS ~ 3 atom
B
Classify the following as a chemical or
physical property:
Aluminum is a shiny, silver color.
chemical
physical
Answers
Answer:
physical
Explanation:
You are practicing classification by sorting pictures into groups based on the characteristics of the kingdoms. While you are sorting, your little brother asks why you placed the above picture in the fungi kingdom. Which of the following explanations should you give your brother?
A.
It belongs in the fungi kingdom because it is unicellular and heterotrophic
B.
It belongs in the fungi kingdom because it is multicellular and can perform photosynthesis
C.
It belongs in the fungi kingdom because it can perform photosynthesis and does not have cell walls
D.
It belongs in the fungi kingdom because it has cell walls and is heterotrophic
Answers
Answer: D
Explanation: fungi kingdom is Hetrotropiv and is unicellular
due in a bit! please help tysm btw!
Answers
Answer:
Unbalanced
Explanation:
cooking gas
pure substances or mixtures
Answers
Answer: Cooking gas is a Mixture
Explanation:
A pure substance is a substance which contains definite composition of only one type of component. Hence, it cannot be separated by physical means.
On the other hand, a mixture is a substance which contains two or more than two types of components and they can be separated by physical means as well.
Cooking gas is a made up of a combination of different hydrocarbons (methane, ethane , butane etc) and thus is a mixture.
which has the strongest intermolecular forces
Answers
Answer:
I think it is B
Explanation:
Answers: A
Explanation: just took the quiz on usatestprep
how many moles of oxygen are needed to
completely react with 8 moles of zinc?
Answers
Answer:
I Hope it help you and Please mark me as Brilliant
Explanation:
Consider this balanced chemical equation:
2 H2 + O2 → 2 H2O
We interpret this as “two molecules of hydrogen react with one molecule of oxygen to make two molecules of water.” The chemical equation is balanced as long as the coefficients are in the ratio 2:1:2. For instance, this chemical equation is also balanced:
100 H2 + 50 O2 → 100 H2O
This equation is not conventional—because convention says that we use the lowest ratio of coefficients—but it is balanced. So is this chemical equation:
5,000 H2 + 2,500 O2 → 5,000 H2O
Again, this is not conventional, but it is still balanced. Suppose we use a much larger number:
12.044 × 1023 H2 + 6.022 × 1023 O2 → 12.044 × 1023 H2O
These coefficients are also in the ratio of 2:1:2. But these numbers are related to the number of things in a mole: the first and last numbers are two times Avogadro’s number, while the second number is Avogadro’s number. That means that the first and last numbers represent 2 mol, while the middle number is just 1 mol. Well, why not just use the number of moles in balancing the chemical equation?
2 H2 + O2 → 2 H2O
is the same balanced chemical equation we started with! What this means is that chemical equations are not just balanced in terms of molecules; they are also balanced in terms of moles. We can just as easily read this chemical equation as “two moles of hydrogen react with one mole of oxygen to make two moles of water.” All balanced chemical reactions are balanced in terms of moles.
Example 8
Interpret this balanced chemical equation in terms of moles.
P4 + 5 O2 → P4O10
Solution
The coefficients represent the number of moles that react, not just molecules. We would speak of this equation as “one mole of molecular phosphorus reacts with five moles of elemental oxygen to make one mole of tetraphosphorus decoxide.”
Test Yourself
Interpret this balanced chemical equation in terms of moles.
N2 + 3 H2 → 2 NH3
Answer
One mole of elemental nitrogen reacts with three moles of elemental hydrogen to produce two moles of ammonia.
Silver has a charge of +1.
A 29 gram piece of jewellery made of silver is lefr out on a counter for two weeks. At the end of the two weeks, there is a layer of residue on the jewellery (product), and its mass is 31 grams. Explain this increase in mass.
PLEASE HELP!!!
Answers
The sulfur comes from hydrogen sulfude from air pollution this may result in an increase in mass or you can say: When iron or any other metal oxidizes, oxygen from the air combines with the iron to make iron oxide or rust. So the weight increases, due to the increased weight of oxygen which has combined with the iron either one they are both correct.
Hope this helped ya
Describe a dinner you would like to eat that includes all the main nutrients, but is low in the nutrients that you should limit.
Answers
Dinner including grilled chicken,roasted brussels sprouts and cooked quinoa have all main nutrients and are low in carbohydrates.
What are carbohydrates?
A carbohydrate is defined as a bio-molecule which consists of carbon,hydrogen and oxygen atoms which are usually in the ratio of 2:1 with the empirical formula C[tex]_n[/tex](H₂O)[tex]_n[/tex].
This term is most commonly used in biochemistry as a synonym of saccharide which is a group of sugars, starch and cellulose.
They perform various functions in living organisms. They serve as an energy source and as well as structural components . They are a key component in providing nutrition and are found in wide variety of natural as well as processed foods.
Carbohydrates occur as cellulose in the cell walls of plants and is one of the components of insoluble dietary fibers.
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The empirical formula of a compound is CH3- The molecular formula of this compound could be C2H6 CH4 C3H6 C2H4
Answers
Answer:
C2H6
Explanation:
Sandra pushed a wooden block and it slid across the floor. The wooden block gradually slowed down and stopped after moving 10 meters.
Why did the block stop moving?
Answers
Answer:
Because it lost momentum!
Explanation:
Hope this helps! Plz mark brainliest! :)
can yall please help answer these two ?
Answers
Answer:
19) Refraction will be the answer.
20) Diffuse reflection will be the answer.
Diffuse refraction
Do you think a mutation (created during reproduction) in one gene is likely to result in a new trait in an offspring? Why or why not?
Answers
Answer:
Yes and no
Explanation:
It can be silent or neutral mutation that has no effect on the structure or functioning of the organism
OR
It can be a useful (advantageous to the organism)
or a harmful mutation (causes genetic disorders)
Mutation created during reproduction in one gene may some times results in a new trait in offspring that can be of good or bad to the offspring.
What is mutation ?Genetic mutation is modification to a small section of a genome's nucleotide sequence One nucleotide is frequently replaced by another in point mutations; other changes involve the insertion or deletion of one or more nucleotides.
Errors in DNA replication or the harmful effects of mutagens, such as chemicals and radiation, which react with DNA and alter the architecture of individual nucleotides, are the two main causes of mutations.
The mutations occurred during reproduction most probably passes to the offspring as new a trait and commonly results in a genetic disorder. In some occasional cases these genetic variations can lead to silent or good characteristics.
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Which example describes how the water cycle carries on energy transfer? a flooding river depositing silt on a floodplain a warm ocean current warming the air above it ocean water depositing sand particles on a shore water seeping through the soil and dissolving salts
Answers
Answer:
The water cycle is driven primarily by the energy from the sun. This solar energy drives the cycle by evaporating water from the oceans, lakes, rivers, and even the soil. Other water moves from plants to the atmosphere through the process of transpiration.
In an ecosystem, the water cycle carrying on energy transfer is best exhibited the example of a warm ocean current warming the air above it .
What is an ecosystem?Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.
Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.
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19 What is the "skin" of the cell?
Answers
Answer:
d cell membrane:)
Explanation:
Which event is caused by gravity?
Answers
Answer:
C
Explanation:
Cause waves causes gravity to make higher waves
how much is the mass of a man if
he has to do 2500 joules of work in
climbing a tree 5 meters tall
Answers
Answer:
50kg
Explanation:
Using the formula for potential energy, which is the amount of energy due to position;
P.E = m × g × h
Where;
m = mass (kg)
g = acceleration due to gravity (10m/s²)
h = height (metres)
According to the information provided in this question, m = ?, P.E = 2500J, h = 5m
Using P.E = m × g × h
m = P.E/gh
m = 2500/(5 × 10)
m = 2500/50
m = 50kg
The mass of the man is 50kg.
Please help with this question, the options are circled in yellow.
Answers
2. — a solid forms
3. — the colour changes
4. — energy is released
5. — the odor changes
When managed for human consumption, a renewable resource represents a balance between an ecosystem’s health and human needs. A resource that is renewable is readily available or easily replenished, but often requires management in order to prevent depletion.
What is an example of a renewable resource that needs to be closely managed?
A) wind B) solar C) timber D) coal
Answers
Answer:
C) Timber
Explanation:
"Let's look more closely at renewable natural resources. They are the ones that can grow again. Trees are a good example. If cut down, they can regrow from seeds and sprouts."