Necesito ayuda 3.- Anota las características que correspondan a cada tipo de hibridación. Tipo de hibridación, Arreglo geométrico, Angulo de enlace entre dos orbitales, No. De átomos que se pueden unir al carbono, Tipos de enlaces en el carbono, Tipo de compuesto donde se presenta sp3 sp2 sp
Answer:
ver explicacion
Explanation:
Los orbitales híbridos se obtienen mediante una combinación de orbitales atómicos.
En un átomo de carbono con hibridación sp3, el átomo de carbono es tetraédrico con un ángulo de enlace de 109,5 grados. Se pueden unir cuatro enlaces simples al átomo de carbono. Se pueden unir un total de cuatro átomos al carbono. Se puede unir un total de cuatro átomos al carbono, lo que ocurre en alcanos como el metano
Para un átomo de carbono con hibridación sp2, hay dos enlaces dobles y dos enlaces simples unidos al átomo de carbono que tiene una geometría plana trigonal con un ángulo de enlace de 120 grados. Se pueden unir un total de dos átomos al carbono. Se pueden unir un total de dos átomos al carbono. Esto ocurre en alquenos como el eteno.
Un átomo de carbono con hibridación sp tiene un ángulo de enlace de 180 grados y tiene una geometría lineal con un enlace triple y un enlace sencillo. Solo se puede unir un átomo al carbono. Esto ocurre en alquinos como el etino.
Is aloe vera a living or non-living thing?
Answer:
It is a living plant
Explanation:
4. Which of the following describes a hydrogen bond? *
a) the bond between two
hydrogen atoms within a molecule of water
b) the bond between hydrogen in one water molecule and another hydrogen in a different water molecule
c) the bond between hydrogen and oxygen within a molecule of water
d) the bond between hydrogen in one water molecule and oxygen in a different water molecule
The statement that describes a hydrogen bond is the bond between hydrogen in one water molecule and another hydrogen in a different water molecule. The correct option is b.
What are hydrogen bonds?Hydrogen bonds are the bonds that are formed between water molecules and other molecules that join with hydrogen. These are weak bonds. This bond is formed between hydrogen atoms and other atoms.
One of the bonds that allow molecules to associate is the hydrogen bond. It happens when hydrogen forms a covalent bond with an element that is extremely electronegative, such as oxygen, nitrogen, or sulfur.
Thus, the correct option is b) the bond between hydrogen in one water molecule and another hydrogen in a different water molecule.
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Potassium manganate(VI), K2MnO4, can be made to react with water,
forming potassium permanganate, KMnO4, potassium hydroxide,
KOH, and hydrogen gas. This reaction is used in industry to produce
potassium permanganate, which is widely used in analytical chemistry.
Write the balanced equation for this reaction
A piece of wood that measures 3 cm by 6 cm by 4 cm has a mass of 80 g. What is the density of the wood? If the density of water is 1 g/mL, would the wood float in water? Explain.
Answer: yes
Explanation:
what is the mass, in grams, of potassium in 12.5 g of k
Answer:
Option d)3.32 g is correct.
Explanation:
hope this helps
lord omg okay help pls lol
Explanation:
answer is A cell membrane
( you are bad at biology too anyways that's just a joke)
A plastic bag containing 2.2 L of gas at
1.0 atm pressure is cooled from 30°C to
0 °C. What will be the volume of the gas?
Answer: The volume of the gas is 1.98 L.
Explanation:
To calculate the final volume of the system, we use the equation given by Charles' Law. This law states that volume of the gas is directly proportional to the temperature of the gas at constant pressure.
Mathematically,
[tex]\frac{V_1}{T_1}=\frac{V_2}{T_2}[/tex]
where,
[tex]V_1\text{ and }T_1[/tex] are the initial volume and temperature of the gas.
[tex]V_2\text{ and }T_2[/tex] are the final volume and temperature of the gas.
We are given:
[tex]V_1=2.2L\\T_1=30^oC=(30+273)K=303K\\V_2=?\\T_2=0^0C=(0+273)K=273K[/tex]
Putting values in above equation, we get:
[tex]\frac{2.2}{303}=\frac{V_2}{273}\\\\V_2=1.98L[/tex]
Thus the volume of the gas is 1.98 L
3. Infer Do all elements have half-lives? Why or why not?
Answer:
Elements with short half lives exist because each element has stable isotopes, and the decay os isotopes create more isotopes as well.
Each solute in the table is mixed in a volume of 500 mL of water. Organize the solutions from least conductive to most conductive.
A)
4,2,1,3
B)
4, 1, 2, 3
C)
2, 4, 3,1
D)
1, 3, 4,2
Answer:
b
Explanation:
Answer:
B) 4,1,2,3
Explanation:
Did it on USA Test prep. :)
An ideal gas fills a balloon at a temperature of 227ºC and standard pressure. By what factor will the volume of the balloon change if the gas in the balloon is heated to 327ºC at standard pressure? Identify which gas law applies and show your work to receive full credit. Highlight the correct answer below. (2 points)
a. 227/327
b. 5/6
c. 6/5
d. 2/1
e. 327/227
Answer:
e. 327/227
Explanation:
This is the correct standard pressure.
An experiment requires 0.38 M NH3(aq). The stockroom manager estimates that 15 L of the base is needed. What volume of 15 M NH3(aq) will be used to prepare this amount of 0.38 M base? Answer in units of mL.
Answer:
480 mL
Explanation:
15L of 0.38M of NH3(aq.) means that we require 15x0.38 moles of NH3.
this is to be provided by 15M x V.
Where V is volume in Liters.
These are equal
⇒15M x V = 15x 0.48
Hence, Volume required V = 0.48L =480mL
: Calculate molar mass of the following compounds:
NaCl :
Ba(NO3)2:
K(MnO4):
Cl2:
CO2
Answer:
1. 58.5g/mol
2. 261g/mol
3. 158g/mol
4. 71g/mol
5. 44g/mol
Explanation:
The molar mass of a compound is the total mass of the sum of masses of all individual elements that make up the compound. First, we need to know the atomic masses of each element in a compound.
1. NaCl
Where; Na = 23, and Cl = 35.5
Molar mass of NaCl = 23 + 35.5
= 58.5g/mol
2. Ba(NO3)2:
Where; Ba = 137, N = 14, O = 16
Molar mass of Ba(NO3)2: 137 + {14 + 16(3)} 2
137 + (14 + 48)2
137 + (62)2
137 + 124
= 261g/mol
3. K(MnO4)
Where; K = 39, Mn = 55, O = 16
Molar mass of KMnO4 = 39 + 55 + 16(4)
= 94 + 64
= 158g/mol
4. Cl2
Where; Cl = 35.5
Molar mass of Cl2 = 35.5(2)
= 71g/mol
5. CO2
Where; C = 12, O = 16
Molar Mass of CO2 = 12 + 16(2)
= 12 + 32
= 44g/mol
Sodium is a compound
O True
or
O False
Answer:
i think false.
Explanation:
tell me if this is wrong
True or False: Once the formulas for the reactants and the products are determined, the subscripts may not be changed.
Answer:
true
Explanation:
tvyvyvtvtvtbbtbb
Lunar Eclipse. Choose ALL that apply
Question 1 options:
Earth casts its shadow on the moon
The moon turns dark
Light from the sun is blocked
Earth is directly between the moon and sun
Question 2 (0.5 points)
Solar Eclipse: Choose ALL that apply
Question 2 options:
The Earth is directly between the moon and sun
Earth casts a shadow on the moon
Moon moves between the sun and Earth
The moon blocks out the light of the sun and casts a shadow onto the Earth
In this exercise we have to use the knowledge of lunar eclipse to identify the alternatives that correspond to this effect, as follows:
Light from the sun is blockedEarth is directly between the moon and sunWhat is lunar eclipse?A lunar eclipse happens when the Earth is between the Moon and the Sun, at times when they are aligned. Depending on the position of the Moon, it is total, partial or penumbral. Different stages of a lunar eclipse on a full moon night.
Now, use the knowledge of solar eclipse to identify the alternatives that correspond to this effect, as follows:
Moon moves between the sun and EarthThe moon blocks out the light of the sun and casts a shadow onto the EarthWhat is the definition of solar eclipse?Solar eclipse is an astronomical phenomenon that occurs when the Moon is positioned between the Earth and the Sun, hiding the light emitted by the star towards the planet.
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What is the number of particles in 15.0 g of H2O?
Answer:
We know that 18 g of H2O contains 1 mole (or 6.022 x 10^23) molecules of water because the molar mass of H2O is 18 g/mol.
So 1 g water will contain 1/18 moles of H2O molecules.
Now 15 g of water will contain 15/18 moles of H2O.
So molecules of H2O = (15/18) x 6.022 x 10^23 = 5 x 10^23 molecules.
Explanation:
I learned this in science hope this helps.
What is the difference between compost and hummus
Answer:
A palavra 'composto' também vem do latim, e significa literalmente 'compor' alguma coisa. Então esta é a composição que podes ver no frasco à direita. O composto é uma composição de todos os tipos de substâncias orgânicas que se decompõem com o tempo e se tornam húmus. O húmus é uma unidade homogênea.
Explanation:
Answer:
below...
Explanation:
The main difference between Compost and Humus is that the Compost is a organic matter that has been decomposed and recycled as a fertilizer and soil amendment and Humus is a any organic matter that has reached a point of stability.
Which factor decreases the rate of solution?
an increase in the surface area of the solute
an increase in pressure
increased stirring
a decrease in temperature
Answer:
the correct answer is D) a decrease in decrease in temperature
have a good day! :)
Explanation:
The factor that decreases the rate of solution is a decrease in temperature. Details about rate of a solution can be found below.
What is a solution?A solution is a homogeneous mixture, which may be liquid, gas or solid, formed by dissolving one or more substances.
The rate at which a solution moves can be affected by the following:
The surface area of the soluteThe pressure appliedThe temperatureThis means that the factor that decreases the rate of solution is a decrease in temperature.
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Compare and contrast stomata with the pores found in liverworts. Compare and contrast stomata with the pores found in liverworts. Stomata doesn't allow CO2 to diffuse and cannot be closed if conditions become dry. Liverwort pores allow gas exchange and cannot be closed either if conditions become dry. Stomata allow CO2 to diffuse and can close to minimize water loss. Liverwort pores doesn,t allow gas exchange and cannot be closed if conditions become dry. Stomata allow CO2 to diffuse and can close to minimize water loss. Liverwort pores allow gas exchange and cannot be closed if conditions become dry. Stomata allow CO2 to diffuse and cannot be closed if conditions become dry. Liverwort pores allow gas exchange and can close to minimize water loss.
Answer: Stomata allow CO2 to diffuse and can close to minimize water loss. Liverwort pores allow gas exchange and cannot be closed if conditions become dry.
Explanation:
In the kingdom plantae, the liverworts belong to the phylum Bryophyta. A liverwort has a simple structure, ribbon- like body, that lies flat on the ground and is attached to the soil by many rhizoids. They grow in damp places on land and are capable of controlling gaseous exchange through the pores found on their leaf surfaces. Liverworts are non- vascular plants therefore they lack stomata. Unlike the stomata of vascular plants which close in dry weather, the air pores of liverworts remain open all the time. Liverworts cannot control their water loss (transpiration) through the pores.
Stomata are found in the epidermal layer of leaves in vascular plants. The opening and closing of stomata, through the help of the guard cells, control the flow of gases in and out of the leaves. This control is necessary to prevent excessive loss of water as vapour from the plant body throughout transpiration. Changes in the solute concentration of the guard cells cause water to flow in and out of the leaf epidermal cells.
Therefore, to COMPARE the stomata with pores of liverworts, they both allow gaseous exchange but in CONTRAST, stomata has the ability to control water loss as it can open and close while the pores lack this ability.
Calculate the amount of heat needed to heat a 100.0 g sample of distilled water from 25°C to 65°C
A rock collection comes from which part of Earth?
A. atmosphere
B. biosphere
C. geosphere
D. hydrosphere
Answer:
c
Explanation:
I looked the answer up it said it was geosphere
Answer:
the answer is geosphere
Explanation:
i hope it helps you
What volume of 2.0 M sodium phosphate must be used to make 4.0 L of 0.80 M sodium phosphate?
Answer:
the amount of soduim phosphate is will be 52 percemt
The main reason that we have different types of energy on the electromagnetic spectrum is because they have different
Answer:
Explanation:
The main reason is because they have different energy in the photon and different wavelength.
In the electromagnetic radiations, radio waves have little energetic photons, micro wave have more that radio waves, the visible light, ultraviolet x Ray's, and gamma Ray's have more energetic photons. They have different wavelength. The shorter the wavelength, the higher the frequency. Wavelength decreases while frequencies increases.
List at least three things that your body strives to keep constant. (9 points) Think about what
aspects of your body overall, of one body organ, or of your blood stay nearly unchanged all the time
Answer:
Temperature, heart rate and blood flow.
Explanation:
The three things that our body strives to keep constant in overall body aspect are Temperature, heart rate and blood flow.
What is the Importance of Life process ?Life processes are important to carry out daily life activities. They help to produce energy and maintain homeostasis in the body. The life processes help a body survive with the changes in the environment.A slight disturbance in any of the life processes disturbs the entire functioning of the body.
Therefore ,
The Three things that our body strives to keep constant in overall body aspect are Temperature, heart rate and blood flow.
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are you doing work when u are cleaning your teeth
Answer: Yes you are.
Explanation:
A deep teeth cleaning can remove a buildup of plaque and tartar on your teeth, reducing gum inflammation and improving gum health. Plaque is a sticky film that forms on teeth. It contains bacteria and develops when food particles mix with saliva. You can remove plaque, which collects on teeth daily, by brushing your teeth.
What does a wave carry
A.Energy B.Matter C.Molecule D.Particle
Answer:
Energy
Explanation:
As waves move from one place to another, they carry energy. Generally, the medium itself doesn't move much as it is the disturbance that is being transmitted
Answer:
energy because a wave isnt like a physical thing so it isnt gonna have matter or particles or molecules its just a movement of energy like a sound wave has no matter so it doesnt have particles and stuff
Explanation:
i know i sound very scientific XD
Explain each of these impacts and suggest a solution that would reduce the losses caused by bycatch.
Answer:
Bycatch can negatively affect species such as dolphins, sea turtles, protected fish, and whales by harming animals, contributing to population declines, and impeding population recovery. Other impacts of fisheries on marine mammals may include removal of their preferred prey and sometimes habitat damage.
Explanation: hey could i get to kno u or sum
Which 0.1 M solution has a pH greater than 7?
w
1. C6H1206
2.CH3COOH
3.КСІ
4.KOH
Answer:
4) KOH
Explanation:
Trust
0.1 M KOH has a pH greater than 7.
What is pH?
The pH of a solution is a measure of hydrogen ion (H+) concentration, which is, a measure of acidity.
What is POH?The pOH of a solution is measure of hydroxide ions (OH).which is a measure of basicity.
The pH of
CH3COOH is 2.88..КСІ is 7KOH is 12∴According to the question the pH greater than 7 is KOH
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Which separation technique could be used to separate a mixture based on differnces in boiling point.
a. filtration
b. distillation
c. chromatography