What is the Lewis structure for H2CS, with the central atom of C. Is the molecular polar or nonpolar? Identify the intermolecular forces present?
Answers
We know that carbon contains 4 valence electrons, all of which are unpaired in the excited state, making carbon the central atom. One electron is unpaired in hydrogen. As a result, there will be a link between these two electrons and these two electrons. In its outermost cell, sulpur possesses 6 valence electrons, of which 2 are unpaired. Consequently, sharing between these two and these two will occur. Every atom's octet, which consists of the elements hydrogen, carbon, and sulpur, is complete. As a result, the ultimate structure we get is a single bond with a double bond. The shape of this molecule is trigonal planar, and the carbon atom is sp2 hybridized. In the case of this connection, the dipole moment will point toward carbon. Additionally, in the case of a c double bond, this will be in the direction of carbon and the net will be upwards since the initial dipole and the end dipole will both point upward. As a result, we may infer that this molecule is polar in nature since it possesses a net dipole moment. It is now aware of the forces at work, which are intermolecular forces. Dipole forces will be at work, causing reactions between dipoles.
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Related Questions
plsss help ASAP!!!
BRAINLIEST
Answers
Answer:
-175.15
Explanation:
1.0 °C = 274.15 K
2.0 °C = 275.15 K
3.0 °C = 276.15 K
4.0 °C = 277.15 K
5.0 °C = 278.15 K
6.0 °C = 279.15 K
7.0 °C = 280.15 K
8.0 °C = 281.15 K
9.0 °C = 282.15 K
What is an atom?
A An atom is a round spherical object found inside most objects made of
matter
B. An atom is a round spherical object found inside objects made of matter
C. An atom is a basic building block of matter.
D. An atom is a subunit of longer extended structures.
Answers
Explanation:
what is an atom?
An atom is a basic building block of matter.
This chemical equation is not balanced. Which element is not conserved?
AgNO3 + CaCl2 → AgCl + CaNO3
Answers
Answer:
D. CI
Explanation:
a p e x
Chlorine is the element which is not conserved in the given chemical equation AgNO\(_3\) + CaCl\(_2\) → AgCl + CaNO\(_3\). The correct option is option D.
What is balanced chemical equation?An equation per a chemical reaction is said to be balanced if both the reactants as well as the products have the same number of atoms and total charge for each component of the reaction. In a nutshell, the two components of the reaction have an equal balance of mass and charge.
The components and byproducts of a chemical reaction are listed in an imbalanced chemical equation, but the amounts necessary to meet the conservation of mass are not specified. Chlorine is the element which is not conserved in the given chemical equation AgNO\(_3\) + CaCl\(_2\) → AgCl + CaNO\(_3\).
Therefore, Chlorine is the element which is not conserved in the given chemical equation AgNO\(_3\) + CaCl\(_2\) → AgCl + CaNO\(_3\). The correct option is option D.
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Scientists developed a device capable of lowering temperatures in order to slow molecular motion to almost a complete stop. Which of these temperatures is theoretically able to make this happen?
0 K
0°C
273 K
273°C
Answers
Answer:
273k
Explanation:
Soooo... This is a complicated problem.
I dunno. Like... Is this a trick question? Trivia, maybe?
Nahhhhh...
It's just not telling us facts...SOME facts, but we need to use past learning to help us.
FIRST of all, what the heck does K even mean?
Is this a memo? A demo? A KO?
Okay, it's nither of these things.
So, let me tell you what the "K" means.
The K means "Kelvin" which is basically a word form for "-"
I AM NOT MAKING A FACE. IT'S THE WORD FORM FOR MINUS. STOP LAUGHING!!!!
And so... To bring objects to a COMPLEETE SKRRRRRRRRRRRRRRRRRRRRRRT...
It will need to be -273.
This means that the answer is 273k.
Which reminds me, Ima play 2k.
And ima rap to-day.
And now I'm being lame.
Just answer the question :/
the chemical behavior of different elements is determined by the number of electrons in the outermost energ level
Answers
The amount of electrons in an atom's outermost shell impacts its reactivity, or proclivity to form chemical interactions with other atoms. This outermost shell is referred to as the valence shell.
What do you mean by electrons?An electron is a negatively charged subatomic particle that can be attached to or released from an atom (not bound). A bound electron is one of the three major types of particles within an atom, the other two being protons and neutrons. The nucleus of an atom is made up of electrons, protons, and neutrons.The electron is a subatomic particle with an elementary electric charge of -1. Electrons are the first generation of the lepton particle family and are considered elementary particles since they lack any known components or substructure.
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Question 6 of 10
What happens in a single-replacement reaction?
O A. Two reactants combine to form one product.
OB. One reactant replaces an element in another reactant.
OC. Two reactants exchange elements with each other.
D. One reactant breaks apart to form new compounds.
SUBMIT
Answers
Answer:D
Explanation:
A single-replacement reaction occurs when one element replace another in a single compound.
B. One reactant replaces an element in another reactant.
Explanation:Chemical reactions occur when reactants bond or break apart to form new substances known as the products.
Types of Reactions
There are a few main types of reactions:
SynthesisDecompositionSingle ReplacementDouble ReplacementAll of these are different ways chemical reactions can occur.
Synthesis
Synthesis occurs when two different reactants form one product. This would be a match for answer choice A.
An example includes: \(C+O_{2}\) → \(CO_{2}\)Decomposition
Decomposition occurs when one reactant breaks down, usually through heat, to form 2 different products, which matches answer choice D.
One example is: NaCl → Na + ClSingle Replacement
Single replacement occurs when there are 2 reactants, a substance and an element, and the singular elements replaces one of the elements in the substance to form new products. Since this matches answer choice B, this is the correct answer.
For example, K + NaCl → KCl + NaDouble Replacement
Finally, double replacement is when there are 2 reactants and each switches an element with the other. This is seen in answer choice C.
One example includes: \(3KNO_{3} +AlCl_{3}\) → \(Al(NO_{3})_{3} +3KCl\)For this example remember that \(NO_{3}\) is a polyatomic ion and acts as a singular element.
Select the correct answer. Construction is under way at an airport. This map shows where the construction is taking place. If Road A and Road B are parallel, what is the distance from P to Q on Road C
Answers
On Road C, the separation between P and Q is 975 feet. Option B is correct.
In mathematics, triangles show a number of similarities. They have three sides and three angles, making them polygons. Their inner angles add up to 180 degrees in all cases. Triangles can be categorized depending on the dimensions of their sides and angles. They serve as the foundation for calculations, proofs, and theorems in geometry and trigonometry. Triangles are essential in applications like calculating areas and resolving trigonometric problems.
In this instance, we can see that there is a triangular similarity issue.
After that, we can use the following connection to find a solution:
\(\frac{650+x}{800+1200} = \frac{650}{800}\)
We now remove the value of x.
So, we have:
\(650+x=\frac{650}{800}(800+1200)\)
We have rewritten:
\(650+x=\frac{650}{800}(2000)\)
\(650+x=1625\\x=1625-650\\x=975 feet\)
Thus, On Road C, the separation between P and Q is 975 feet. The B option is correct.
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The correct question is: Construction is underway at an airport. This map shows where the construction is taking place. If Road A and Road B are parallel, what is the distance from P to Q on Road C?
A) 433 feet
B) 975 feet
C) 1,050 feet
D) 1,477 feet
The image is given below.
Mg(s) + HCl (l) --> H2 (g) +MgCl2 (s) A student conducted an experiment with 2g of magnesium and 3 mL of 6M hydrochloric acid. Equal volumes (3mL) of hydrochloric acid and magnesium strips (2g) were put into each tube. What are the reactants in this reaction?
Answers
Answer: Do you have an image so I can solve it?
Which of the following are functions of the stomach?
Answers
Answer:
1-Temporarily store food.
2-Contract and relax to mix and break down food.
3-Produce enzymes and other specialized cells to digest food
why does turmeric stain on white shirt is turned to red when it is washed with soap?
Answers
The element X forms the chloride XCl4 ( 4 being a sub script of Cl ) containing 75% Cl by mass. What is element X?
Answers
The element X forms the chloride XCl₄ ( 4 being a sub script of Cl ) containing 75% Cl by mass. The X element in the compound is titanium.
The molecular weight of chlorine is 35.5 g/mol.
Four chlorine atoms, or molecules, make up the chemical XCl₄and account for 0.75 of its total weight.
All four chlorine atoms weigh a total of 4×35 = 140 g/mol
The compound's total weight of all chlorine atoms is now 140/0.75.
The compound's overall weight is now equal to 186.66≈ 187
The mass of element X is equal to 187 - 140 = 47 g/mol.
If we match any element from the periodic table, we can discover that the molecular weight of titanium is almost equivalent to 47.
TiCl₄ is the substance, and its molecular weight is 140 g/mol.
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In 1787, the same year the US constitution was signed, Dr. Charles discovered that as he increased the temperature of a balloon, the volume ____________.
A. Decreases
B. None of these
C. Stays the same
D. Increases
Answers
When Dr. Charles increased the temperature of a balloon, the volume of balloon increased.
In 1787, the same year the US constitution was signed, Dr. Charles discovered that as he increased the temperature of a balloon, the volume increases. Dr. Charles’s Law or the Law of volumes is a gas law that states that the volume occupied by a given mass of gas is directly proportional to the temperature of the gas, given its pressure is kept constant.
The law of volumes or Gay-Lussac's Law is a gas law that states that the pressure of a gas is directly proportional to its temperature given the constant volume of the gas kept.
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how does resistance change with temperature? is there more resistance or less resistance at higher temperatures?
Answers
Answer:
resistance becomes lower at higher temperatures.
Explanation:
molecules expand instead of compact
Need help ASAP!
How many moles of gas does it take to occupy 520 mL at a pressure of 400 torr and a temperature of 340 K? Use the conversion factors 760 torr = 101.3 kPa and 1 mL = 0.001 L. Show all of your work.
Answers
Answer: B - 0.0098 moles
Explanation:
<3
How many liters of wine can be held in a wine barrel whose capacity is 30.0 gal? You had been given a new penny to test if it is made up of pure copper or not. You measured the mass of the penny which was 2.49 g. You then find that the penny displaces 0.349 cm3 of water. Is the penny made of pure copper? (Density of pure copper = 8.96 g/cm3)
Answers
The first step in this calculation is to know how many liters is equal to 1 gallon, and the value is 3.785 liters, so now we have to make the following calculation:
1 gal = 3.785 Liters
30.0 gal = x Liters
x = 3.785 * 30.0
x = 114 Liters
How many milliliters of 0. 250M NaOH is required to neutralize 30. 4mL of 0. 152M HCl?
Answers
Approximately 18.4832 mL of 0.250 M NaOH is required to neutralize 30.4 mL of 0.152 M HCl.
To determine the volume of 0.250 M NaOH required to neutralize 30.4 mL of 0.152 M HCl, we can use the concept of stoichiometry and the balanced chemical equation for the neutralization reaction between NaOH and HCl:
NaOH + HCl -> NaCl + H2O
From the balanced equation, we can see that the stoichiometric ratio between NaOH and HCl is 1:1. This means that for every mole of NaOH, we require an equal number of moles of HCl to neutralize.
First, let's calculate the number of moles of HCl present in the given volume:
Moles of HCl = concentration of HCl * volume of HCl
= 0.152 M * 30.4 mL
= 4.6208 mmol (millimoles)
Since the stoichiometric ratio is 1:1, the number of moles of NaOH required to neutralize the HCl is also 4.6208 mmol.
Now, let's calculate the volume of 0.250 M NaOH needed to contain 4.6208 mmol:
Volume of NaOH = (moles of NaOH) / (concentration of NaOH)
= 4.6208 mmol / 0.250 M
= 18.4832 mL
Therefore, approximately 18.4832 mL of 0.250 M NaOH is required to neutralize 30.4 mL of 0.152 M HCl.
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Identify a predator from a Himalayan Mountain ecosystem. How else can this animal be classified in terms of feeding relationships? What is its prey? How else can its prey animal be classified in terms of feeding relationships?
Answers
Answer:
A snow leopard is one of the top consumers in the Himalayas who lives in dens that are close to somewhere to look down to watch its prey. They also use it's large paws to climb up slopes and snow and a long tale to balance on thin spaces to catch markhhors.
Explanation:
(:Answer:
The snow leopard is a secondary consumer in the Himalayas. They use their large paws to catch prey and have a long tail to keep their balance on balance on tight places to pounce on prey.
Explanation:
The majority of the mass of the atom is located in the___
Answers
Answer:
Nucleus
Explanation:
Since electrons are 1/1840 of the weight of a proton or a neutron, all of which are in the nucleus, scientists often don't include them.
WILL GIVE BRAINLIEST Which effect is one likely result of a forest fire? a. extinction b. adaptation c. speciation d. forced migration
Answers
Answer:
d. forced migration
Explanation:
Certain hazardous occurrences affect living organisms in their natural habitat. One of those occurrences is forest fire. Forest fire or vegetation fire is an uncontrollable break out of fire in a vegetation, affecting the inhabitants of the area.
The occurrence of a forest fire will lead to a forced migration of organisms from their natural habitat. Animals and other mobile organisms will be forced to leave behind their devastating habitat and migrate to a less threatened area in order to survive.
Answer:
D
Explanation:
The guy above is correct but I’m saying this for those who don’t want an explanation
2. a) If you had a 1000.0 g copper pot, how many calories of heat energy would it
take to raise its temperature by 60.0°C?
b) How many calories of heat energy would it take to raise an iron pot with the
same mass by 60.0°C?
Answers
(a) it would take 23.1 kJ of heat energy to raise the temperature of a 1000.0 g copper pot by 60.0°C.
(b) it would take 26.9 kJ of heat energy to raise the temperature of a 1000.0 g iron pot by 60.0°C.
What is the heat energy required?The specific heat capacity of copper is 0.385 J/g·°C.
To calculate the amount of heat energy required to raise a 1000.0 g copper pot by 60.0°C, we can use the formula:
Q = m × c × ΔT
where;
Q is the amount of heat energy, m is the mass of the object, c is the specific heat capacity, and ΔT is the change in temperature.Plugging in the values, we get:
Q = 1000.0 g × 0.385 J/g·°C × 60.0°C
Q = 23,100 J or 23.1 kJ
The specific heat capacity of iron is 0.449 J/g·°C.
Using the same formula as before, we can calculate the amount of heat energy required to raise a 1000.0 g iron pot by 60.0°C:
Q = 1000.0 g × 0.449 J/g·°C × 60.0°C
Q = 26,940 J or 26.9 kJ
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Which of these triangle pairs can be mapped to each other using a translation and a rotation about point A? Triangles Q R A and K P A are connected at point A. Triangle K P A is rotated to form triangle Q R A. Triangles Q R A and K P L are shown. Triangle Q R A is reflected and then shifted to the right to form triangle K P L. Triangles Q R A and K P L are shown. Triangle Q R A is reflected and then shifted to the right to form triangle K P L. Triangles Q R A and K P L are shown. Triangle Q R A is rotated about point A and then is shifted down and to the left to form triangle K P L.
Answers
Answer:
lol its D
Explanation:
cuz i know maths
Answer:
D
Explanation:
edge
What is the reaction to . Na2SO3 + 2 HC2H3O2 → H2SO3 + 2 NaC2H3O2
Answers
rank the ions in each set in order of increasing size. a. li , k , na b. se2– , rb , br – c. o2– , f – , n3–
Answers
The correct order of increasing size is in each set is: Li⁺ < Na⁺ < K⁺, Br⁻ < Se²⁻ < Rb⁺, and N³⁻ < O²⁻ < F⁻.
a. In order of increasing size, the ions in set a are: Li, Na, K. This is because they all have the same charge (+1), but as you move down the periodic table, the atomic radius increases.
b. In order of increasing size, the ions in set b are: Br-, Se2-, Rb. This is because Br- and Se2- have the same charge (-1), but as you move down the periodic table, the atomic radius increases. Rb has a larger atomic radius than Se, which gives it a larger ionic radius.
c. In order of increasing size, the ions in set c are: N3-, O2-, F-. This is because they all have the same charge (-1), but as you move across the periodic table, the atomic radius decreases. F- has the smallest atomic radius, which gives it the smallest ionic radius.
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PLEASE HELP ME 40 POINTS RIGHT ANSWERS ONLY!!!!! :)
Consider the solubility curve at right. which solid material is a solid solute?
Answers
Substance C is a solid solute because the solubility of a solid increases with increasing temperature. Therefore, option B is correct.
Solubility refers to the ability of a solute to dissolve in a solvent and form a homogeneous mixture called a solution. It is a measure of how much of a solute can dissolve in a given amount of solvent under specific conditions, such as temperature and pressure.
Solubility is typically expressed as the maximum amount of solute that can dissolve in a specified amount of solvent. The solubility of a substance is influenced by various factors, including the nature of the solute and solvent, temperature, pressure, and the presence of other substances.
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Answer: it's substance A hope it helps.!
Iron and aluminum are examples of
Answers
Answer:
Iron and aluminum are both examples of metals that are used commonly in everyday life.
aluminium is obtained industrially by the electrolysis of aluminium oxide heated to high temperatures.
the positive electrodes used in electrolysis of aluminium oxide are made of carbon
these electrodes slowly disappear over time as they are converted to a gas
suggest the identity of this gas
Answers
Answer:
Explanation:
????? i am having trouble according this
Which one of the following is a Bronsted-Lowry acid? How do you know? a) (CH3)3NH+ b) CH3COOH c) HF d) HNO2
Answers
CH3COOH is one of the following is a Bronsted-Lowry acid.
The Bronsted-Lowry theory defines an acid as a substance that donates a proton (H+) and a base as a substance that accepts a proton.
Among the given choices, CH3COOH, HF, and HNO2 all have a hydrogen ion that can be donated, making them potential Bronsted-Lowry acids. (CH3)3NH+, on the other hand, already has a positive charge and is unlikely to donate a proton.
To determine which of the three compounds is an acid, we need to look at their chemical properties. CH3COOH is a weak acid because it only partially ionizes in water to form H+ and CH3COO-. HF is a strong acid because it completely ionizes in water to form H+ and F-. HNO2 is also a weak acid because it only partially ionizes in water to form H+ and NO2-. Therefore, the answer to the question is either CH3COOH which is Bronsted-Lowry acids that can donate a proton.
Option B is the correct answer.
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The movement of substances from regions where their concentration is higher to regions where their concentration is lower is called
Answers
The movement of substances from regions where their concentration is higher to regions where their concentration is lower is called diffusion.
Diffusion is a process by which particles or molecules spread out and move from areas of higher concentration to areas of lower concentration. It is a result of the random thermal motion of particles. As particles move, they collide with one another, leading to a net movement from regions of higher concentration to regions of lower concentration. This process continues until an equilibrium is reached, where the concentration becomes uniform throughout the system. Diffusion plays a crucial role in various biological, chemical, and physical phenomena, such as the exchange of gases in the lungs, the movement of nutrients within cells, and the mixing of substances in solutions.
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Circle the significant figures in the following 55.0
Answers
Answer and Explanation
There are 2 significant figures.
Which molecule is shown below?
A. 2-ethylheptane
B. 2-methylheptane
C. 3-ethylheptane
D. 3-methylheptane
Answers
Answer:
★ D. 3-methylhelptane
Explanation:
Hope you have a great day :)
The given molecule contains 7 carbons in the long chain and one methyl group in the 3rd carbon. Hence, its name is 3-methaylheptane.
What is IUPAC nomenclature of hydrocarbons?The International Union of Pure and Applied Chemistry (IUPAC) nomenclature of hydrocarbons is a set of rules used to name organic compounds that contain only carbon and hydrogen atoms.
The nomenclature is based on the number and arrangement of the carbon atoms in the molecule, and it provides a systematic way to name hydrocarbons based on their structure.
There are several categories of hydrocarbons, each with its own set of naming rules. The most common types of hydrocarbons are alkanes, alkenes, and alkynes. Here are some of the basic rules for naming each type:
Alkanes:
Find the longest continuous carbon chain in the molecule.
Number the carbon atoms in the chain from the end closest to the first substituent.
Name the compound using the prefix for the number of carbons in the chain (e.g. meth-, eth-, prop-, but-, pent-, hex-, etc.) followed by the suffix -ane.
As per this rule the name of the given compound is 3-methylheptane.
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