Answer:
CO2 I believe
Explanation:
It doesn't have any hydrogen
Plants grow in many different shapes and sizes. Much of their shape depends on an internal structure that is composed of carbon-containing molecules such as cellulose and lignin. Plants that have a strong internal structure can grow larger than other plants because their structure can support their size. Plants obtain the majority of the carbon necessary for building these structural molecules from
Carbon is very important to plants and they obtain the majority of it from the air in the form of carbon dioxide.
Uses of carbon dioxide in plants To make food through the process of photosynthesis. Source of carbon used in building structural molecules.In conclusion, carbon is very important to plants as they both use it to get food and to maintain their shape owing to their internal structure being made from carbon.
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The chemical equation below shows the reaction of methane (CH4) and oxygen gas (O2) to form carbon dioxide (CO2) and water (H2O).
Describe the Quantium Theory of electron orbits and clouds.
Answer:
The electron cloud model describes electrons as the most likely found around the nucleus of an atom. It is also found that electrons could seemingly be everywhere at one time.
Explanation:
Hope this helped
How does the air masses and fronts play a role in a hurricane? Explain.
answer below
Explanation:
Warm fronts often bring stormy weather as the warm air mass at the surface rises above the cool air mass, making clouds and storms. warm fronts move more slowly than cold fronts because it is more difficult for the warm air to push the cold, dense air across the Earth's surface.
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It is more difficult to remove a proton from an atom than an electron. Which of the following force must be overcome to remove a proton from an atom? A) centrifugal force B) gravitational force C) electromagnetic force D) strong force
Answer:The Strong Nuclear Force (also referred to as the strong force) is one of the four basic forces in nature (the others being gravity, the electromagnetic force, and the weak nuclear force). As its name implies, it is the strongest of the four. However, it also has the shortest range, meaning that particles must be extremely close before its effects are felt. Its main job is to hold together the subatomic particles of the nucleus (protons, which carry a positive charge, and neutrons, which carry no charge. These particles are collectively called nucleons). As most people learn in their science education, like charges repel (+ +, or - -), and unlike charges attract (+ -).Hope this helps
Explanation:
How did you get the light to shine? in science
Answer:
by using a lemon as a circuit and two positive and negative wires
A chemical ________
is like a recipe for a chemical substance.
Answer:
iron
Explanation:
A chemical formula is like a recipe for a chemical substance.
What is Chemical formula ?A chemical formula lists the elements that consist the compound as well as the number of atoms of each element in the compound's smallest unit, whether a molecule or a formula unit. Cognizing the elements' names and a few basic rules allows us to name simple compounds given a chemical formula.
Chemical formulas are classed into three types: empirical, molecular, and structural.
Empirical formulas depict the simplest whole-number ratio of atoms in a compound, whereas molecular formulas depict the number of each type of atom in a molecule and structural formulas depict how the atoms in a molecule are bonded to each other.
Thus, A chemical formula is like a recipe for a chemical substance.
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Write one cause and effect of global warming.
Explanation:
cutting down trees the effect is that there are not a lot of trees to help with carbon dioxide
Answer:
It is caused by increased concentrations of greenhouse gases in the atmosphere
WHY IS A CREEP(creep as the science def) HARD TO DETECT ?( please need help to answer this question!!)
Answer:
Creep is the imperceptibly slow, steady, downward movement of slope-forming soil or rock. Movement is caused by shear stress sufficient to produce permanent deformation, but too small to produce shear failure. ... Continuous, where shear stress continuously exceeds the strength of the material.
Explanation:
HELP
How many moles of Ag (silver) contain 4.49 x 1023 atoms Ag?
27.0 mol
0.746E23 mol
0.746 mol
0.746E24 mol
C, 0.746 mol Ag.
1 mol Ag = 6.022 x 1023 atoms of Ag -> 4.49 x 1023 atoms of Ag x 1mol Ag/6.022 x 1023 atoms -> 0.746 mol Ag
The moles of Ag that contain 4.49 [tex]\rm \times\;10^2^3[/tex] atoms have been 0.745 moles.
The number of atoms in a mole can be given by the Avagadro number. The Avagadro number has been equal to the number of atoms in a mole of compounds. The Avagadro number has been constant with a value of 6.023 [tex]\rm \times\;10^2^3[/tex].
6.023 [tex]\rm \times\;10^2^3[/tex] atoms = 1 mole
So, for the given 4.49 [tex]\rm \times\;10^2^3[/tex] atoms:
4.49 [tex]\rm \times\;10^2^3[/tex] atoms = [tex]\rm \dfrac{1}{6.023\;\times\;10^2^3}\;\times\;4.49\;\times\;10^2^3[/tex] moles
4.49 [tex]\rm \times\;10^2^3[/tex] atoms = 0.745 moles.
The moles of Ag that contain 4.49 [tex]\rm \times\;10^2^3[/tex] atoms have been 0.745 moles.
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What is the percent by mass of oxygen in table sugar?
51.41%
Percentage Composition from Formulas
A more complex example is sucrose (table sugar), which is 42.11% carbon, 6.48% hydrogen, and 51.41% oxygen by mass.
Or
53.3 %
Thus the % composition of glucose by mass is carbon 40.0 % oxygen 53.3 % hydrogen 6.7 % In this way, the % composition by mass of any compound can be calculated provided that its formula is known.
...
What is the percentage composition of sugar?
Element Symbol Mass Percent
Hydrogen H 6.714%
Carbon C 40.001%
Oxygen O 53.285%
Is the composition of air consistent? (Yes or no) Explain your thinking.
Answer:
No
Explanation:
The air is really a mixture of many different gases, and each gas has its own properties. The composition of air is not constant. It can vary from time to time and place to place
Discuss the shapes of Nh3 and H2O on the basis of VESPER theory?
Answer:
Ammonia has 4 regions of electron density around the central nitrogen atom (3 bonds and one lone pair). These are arranged in a tetrahedral shape. The resulting molecular shape is trigonal pyramidal with H-N-H angles of 106.7°.
Explanation:
Leon made a study chart about human-induced changes to the environment. Environmental Changes Caused by Humans X Y Results from introducing harmful substances into the environment Example: oil spill Results from natural areas being cleared and replaced by human development Example: deforestation Which headings best complete the chart?
X: Habitat Destruction Y: Pollution
X: Long-Term Changes Y: Short-Term Changes
X: Short-Term Changes Y: Long-Term Changes
X: Pollution Y: Habitat Destruction
Answer:D
Explanation:
Answer: D
Explanation: Edge 2020
How much force is required to accelerate a 2 kg mass at 3 m/s²?
Answer:
6 N
Explanation:
Force (Newtons) = mass (kg) times acceleration (m/s2)
2 kg x 3m/s2 = 6 kg/m/s2
What can you see in both the Map View and the Cross-Section View?
The mass of Carbon is 12 g/mol and the mass of oxygen is 16 g/mol. What is the approximate percent composition by mass of CO2 (formula mass = 44)?
20% carbon and 80% oxygen
23% carbon and 77% oxygen
25% carbon and 75% oxygen
27% carbon and 73% oxygen
Answer:
the last one
27% by 73%
Explanation:
12/44*100 for C
and
16/44*100 for O
Which of the following would you get from playing too much tennis?
A. Cerebral Palsy
B. Muscular Dystrophy
C. Tendonitis
D. ALS
Answer:
cerebral palsy
Explanation:
what does wavelength refer to?
Answer:
Wavelength, distance between corresponding points of two consecutive waves. ... Wavelength is usually denoted by the Greek letter lambda (λ); it is equal to the speed (v) of a wave train in a medium divided by its frequency (f): λ = v/f.
Explanation:
Which of the following compounds would contain an electrostatic attraction as bonds between ions?
Answer:
iron sulfate
Explanation:
Electrostatic attraction as bonds between ions is characteristic of the electrovalent bond or the ionic bond
In this type of bond, there is electron transfer from one atom to another. The atom that looses electrons become positively charged while the atom that gains electrons becomes negatively charged.
In iron sulfate, there is electrostatic attraction between Fe II ions and sulphate ions, making iron sulfate an ionic compound.
Psychology!! Will mark BRAINLIEST!!
Explain the three measures of retrieval and forgetting that Herman Ebbinghaus studied using nonsense syllables.
Answer:
There are three measures of retrieval and forgetting: recall, a measure in which an individual brings learned information back to conscious awareness; recognition, a measure in which a person identifies previously learned information; and relearning, a measure in which a person is asked to learn information a second time.
Explanation:
Answer:
Responses may vary but should include some or all of the following information:
There are three measures of retrieval and forgetting: recall, a measure in which an individual brings learned information back to conscious awareness; recognition, a measure in which a person identifies previously learned information; and relearning, a measure in which a person is asked to learn information a second time.
Explanation:
edge
If food spoils is this a chemical or physical change?
es un cambio químico
Explanation:
Porque es un cambio irreversible y cambia su naturaleza.
Answer:
Chemical
Explanation:
It includes the breakdown of the food particles by the organisms. It experiences acidic response and the breakdown of food into easier structure.
How many atoms are in 5Cao4?
Answer:
There are 30 atoms in total
Explanation:
There is 5 carbon, 5 of whatever A is and 4 oxygens but since the whole symbol has been multiplied by 5 there would be 20 oxygen
So 20 + 5 + 5 = 30 atoms
Select the correct terms to complete the statement. The words in red, type which word
completes the statement correctly.
Electron-dot notation shows only the electrons in the innermost/outermost energy shell of
an atom. These electrons are called valence/orbital electrons and are/ are not involved in
chemical reactions. Elements with a full outer energy shell are typically very reactive/
unreactive.
Answer:
Outermost energy shell
Valence electrons
are involved
Unreactive
Explanation:
Electron-dot notation shows only the electrons in the outermost energy shell of an atom. These electrons are called valence electrons and are involved in chemical reactions. Elements with a full outer energy shell are typically very reactive.
The notation shows only the chemical symbol of the element surrounded by dots that represents the valence electrons. The chemical symbol denotes the nucleus and all electrons except the valence electrons. These valence electrons are the outer shell electrons. They take part in chemical reactions and determines the chemical properties of an atom. Elements with completely filled outer orbitals are unreactive and they are the noble gases.What is the wavelength of a light of frequency 7.21 x 1014 Hz?
Answer:
The threshold frequency for a photosensitive metal is 3.3 x 1014 Hz. If light of frequency 8.2 x 1014 Hz is incident on this metal,
Explanation:8.2x1014Hz
If you have a mole of boron and a mole of carbon would they have the same number of
atoms in each mole? Please help ❤️
Answer:. that contains the same number of entities as there are atoms in 12 g of carbon-12. ... the same as the mass of one mole of the compound in grams. • Skill 3-1 Calculate the ... Molar mass has units of grams per mole (g/mol). Concept 3. ... of moles to mass: •We can do the reverse with 1/M, and convert any mass in grams to.
Explanation:
The number of atoms in a mole of boron and carbon is required.
A mole of carbon and a mole of boron have the same number of atoms.
The unit of amount of substance is called mole.
[tex]1\ \text{mole}=6.022\times 10^{23}\ \text{atoms, molecules, ions, or electrons}[/tex]
So, 1 mole of any element, whether it be carbon or boron has the same number of atoms which is [tex]6.022\times 10^{23}[/tex].
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what is diffusion and what is osmosis ?
Answer:
diffusion is the movement of gases from a higher concentration area to a lower concentration area
osmosis is the movement of water molecules from a higher concentration area to a lower concentration area
Which of the following is not a benefit of using biofuels instead of fossil
fuels?
A. Biofuels are more sustainable than fossil fuels.
B. Biofuels are renewable.
C. Biofuels produce less carbon dioxide when combusted.
D. Fossil fuels may be used in the production of biofuels.
SUBMIT
The answer option which is not a benefit of using biofuels instead of fossil fuels is: D. Fossil fuels may be used in the production of biofuels.
Renewable energy is also referred to as clean energy and it refers to a type of energy that is generated through natural sources or technology-based processes that are replenished constantly.
Some examples of these natural sources are:
Water (hydropower).Wind (wind energy).Sun (solar power).GeothermalBiomass.Waves.Non-renewable energy refers to a type of energy that is generated through artificial sources and as such cannot be replenished such as coal, natural gas, fossil fuels, petroleum.
In conclusion, fossil fuels cannot be used in the production of biofuels.
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It takes a car going 40 mph 3 seconds to come to a stop. What is the acceleration?
How is a metallic compound different from an ionic compound?
Select all that apply.
A. Metallic solids conduct electricity, while ionic solids do not.
B. When hit with a hammer, a metallic compound will change shape, while an ionic compound is likely to break.
C. Metallic compounds form crystal structures, while ionic compounds are often powders or gases.
D.Metallic compounds can conduct electricity only in molten form, while ionic compounds can conduct electricity in any form.
Answer:
Ionic compounds are compounds whereas metals are elements. Ionic compounds are electrolytes whereas metals are conductors. Ionic compounds are brittle whereas metals are malleable and ductile. ... Most ionic compounds will dissolve in polar solvents like water whereas metals will either be insoluble or react with water.