Answers
A valid lewis structure of cannot be drawn without violating the octet rule is IF₃.
According to the octet rule the atoms will be more stable if the valence electrons in the valence are eight electrons.
a) NF₃ = in the lewis structure of NF₃ the atom will contains the eight valence electrons in the valence shell. thus it follows the octet rule.
b) SO₄²⁻ = SO₄²⁻ , lewis structure follows the octet rule . atoms contains the eight valence electrons.
c) PF₃ = phosphorus valence electrons is 5 and the fluorine valence electron is 7 and fulfil the octet rule.
d) IF₃ = in the lewis structure IF₃ , it does not follows the octet rule . it contains the more than eight electrons .
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Related Questions
What is the correct formula that would result from the combination of the two ionic species? Cu2+ and SO42-
Answers
CuSO4.
brainliest???
The rate of deforestation to create new buildings and farmland has increased over the last 100 years. What effect could this have on the atmosphere in the future?
Answers
The increase in deforestation can have a significant impact on the atmosphere in the future, mainly by reducing the number of trees that absorb carbon dioxide during photosynthesis.
Trees take in carbon dioxide and release oxygen as a byproduct, reducing the amount of carbon dioxide in the atmosphere. However, when trees are cut down, the carbon they have stored is released back into the atmosphere, contributing to increased levels of greenhouse gases.
The increase in greenhouse gases can lead to global warming and climate change, which can have a range of negative effects on the environment and human health, such as rising sea levels, increased frequency and severity of natural disasters, and more intense heat waves. Additionally, deforestation can lead to soil erosion, loss of biodiversity, and disruption of local ecosystems.
It is important to find ways to reduce deforestation and promote sustainable land use practices to mitigate the potential impacts on the atmosphere and the environment as a whole.
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Do you think there’s an advantage of process 1 over process 2 for this species?
Answers
Answer:
witch one witch species witch bone of 1 and 2
Answer:
Yes, process 1 has an advantage over process 2 for the planarian worm. Process 1 requires only one parent. If the planarian can’t find a mate, the life cycle will continue because it can still reproduce.
Explanation:
i did it
What volume would 0.435 moles of hydrogen gas, Hz, occupy at STP?
Answers
Answer:
will be 9.7 Liters
Explanation:
100.0 g CO2 reacts with 100.0 g H2O according to the equation below.
6CO2 + 6H2O -> 6O2 + C6H12O6
How many grams of glucose, C6H12O6 form from the 100.0 g H2O
[ ? ] g C6H12O
Answers
The mass of glucose produced from 100.0 g H2O is 166.8 g C6H12O6.
Given:100.0 g CO2 reacts with 100.0 g H2O according to the equation below.
6CO2 + 6H2O → 6O2 + C6H12O6
How many grams of glucose, C6H12O6 form from the 100.0 g H2O
According to the reaction, 6 moles of water react with 6 moles of carbon dioxide to produce one mole of glucose and 6 moles of oxygen.
Balanced Chemical Equation:
6CO2 + 6H2O → 6O2 + C6H12O6
We have given the mass of H2O, so first, we will calculate the number of moles of H2O.
Number of moles of H2O:
Mass of H2O = 100.0 g
Molar mass of H2O = 18 g/mol
Number of moles of H2O = Mass/Molar mass
= 100.0 g/18 g/mol
= 5.56 moles
Now, we know that 6 moles of water react with 1 mole of glucose.
So, the number of moles of glucose produced:Number of moles of glucose:
6 moles H2O → 1 mole glucose5.56 moles H2O → (1/6) x 5.56 = 0.9267 moles glucose
Now we will calculate the mass of glucose from the number of moles of glucose.
Mass of glucose:Number of moles of glucose = 0.9267 moles
Molar mass of glucose = 180.2 g/mol (C6H12O6)
Mass of glucose = number of moles x Molar mass
= 0.9267 moles x 180.2 g/mol
= 166.8 g
Therefore, the mass of glucose produced from 100.0 g H2O is 166.8 g C6H12O6.
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Gelatin is a solid that can strengthen protein networks. How would yogurt that contains gelatin be different from yogurt that does not contain gelatin? Explain your answer.
Answers
Ice cream that contains gelatin will have a thicker consistency than on that does not contain gelatin.
What is gelatin?Gelatin is a proteoglycan which is made from boiling tendons.
Gelatin is used as a thickening agent.
Therefore Ice cream that contains gelatin will have a thicker consistency than on that does not contain gelatin.
In conclusion, gelatin is used to thicken foods.
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Calculate the molarity of 3.00 moles of KCL dissolved in 2.00L of solution.
Answers
Answer:
1.5 Molar solution in KCl
Explanation:
Definition of molarity => moles of solute / Volume of solution in Liters
Given 3.00 moles of solute dissolved in 2Liters of solution
Molarity of [KCl] = 3.00 moles KCl / 2Liters solution = 1.5 Molar solution in KCl
Explain the relationship between heat and thermal energy.
Answers
Answer:
Thermal energy gives the total kinetic energy the system possesses. It is used to determine the internal energy of a system.
Heat is the flow of thermal energy between two objects of different temperature.
Explanation:
Lots of good info out there on this - search, read, and enjoy :)

Someone unscramble the first mystery element because I don’t know how to.
-unnecessary comments will be reported
Answers
Answer:
Calcium
Explanation:
The symbol for the element with a mass number of 27 is actually Al for Aluminum instead of Co for Cobalt. Mass number refers to atomic mass, not atomic number.
Aluminum has an atomic mass of 26.982 or 27.
The letters to unscramble are I, M, C, Al, U, and C.
The mystery element is Calcium.
Hope that helps.
Which of the following pure compounds will exhibit hydrogen bonding?
a.) CH3CH2OH
b.) CH2O
c.) C2H4
d.) C2H2
e.) CH3OCH3
f.) CH3NH2
g.) C3H8
h.) NH3
Answers
Answer:
A, F, H
Explanation:
Hydrogen bonding occurs between compounds that make N-H, O-H, and F-H bonds. Just because a compound has a N, O, and F atom in the molecule doesn't mean that the compound will exhibit hydrogen bonding. The N, O, or F must be bonded to a hydrogen. Carbon-hydrogen bonds do not cause hydrogen bonding.
This means that A, F, and H will have hydrogen bonding.
Answer:
CH3CH2OH
CH3NH2
NH3
Explanation:
Hydrogen bonds are formed when hydrogen is bonded to an electronegative atom such as oxygen or nitrogen.
Hydrogen bonds accounts for the solubility of alcohols and amines in water. Similarly, it accounts for the high boiling point of ammonia. All the compounds chosen above exhibit a significant degree of hydrogen bonding.
HURRY! NEED WITHIN 10 MINS
Answers
The equation of photosynthesis is shown in the image attached to this question.
What is photosynthesis?The term photosynthesis has to do with a kind of reaction that helps plants to make their own food. The process involves the combination of carbon dioxide and water in the presence of sunlight to give glucose and water only.
We know that the green plants are autotrophic thus they are able to make their own food. The process of photosynthesis produces the food that is passed along the food chain in the ecosystem.
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how may liters are in 0.8291moles of hexane (c6h14)?
Answers
In 0.8291 moles of hexane (\(C_6H_1_4\)) there are 20.8 liters in 0.8291 moles of hexane at room temperature and atmospheric pressure.
To determine the number of liters in 0.8291 moles of hexane (C6H14), we need to use the ideal gas law equation:
PV = nRT
where:
P = pressure (atm)
V = volume (L)
n = moles of gas
R = gas constant (0.0821 L*atm/mol*K)
T = temperature (K)
We need to rearrange this equation to solve for V:
V = nRT/P
First, we need to calculate the number of moles of hexane:
n = mass/molar mass
The molar mass of hexane (C6H14) is:
6(12.01 g/mol) + 14(1.01 g/mol) = 86.18 g/mol
n = 0.8291 moles
Next, we need to convert the temperature to Kelvin. Assuming room temperature (25°C or 298 K):
T = 298 K
Finally, we need to assume a pressure value. Let's assume atmospheric pressure (1 atm).
P = 1 atm
Now we can plug in the values and solve for V:
V = (0.8291 mol)(0.0821 L*atm/mol*K)(298 K)/(1 atm)
V = 20.8 L
Therefore, there are 20.8 liters in 0.8291 moles of hexane at room temperature and atmospheric pressure.
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How many grams of calcium fluoride are in 1.5 moles of calcium fluoride?
Answers
The number of grams of calcium fluoride in 1.5 moles of calcium fluoride is 88.5grams.
How to calculate mass?The mass of a substance or compound can be calculated by multiplying the number of moles of the substance by its molar mass as follows:
mass = no of moles × molar mass
According to this question, there are 1.5 moles of calcium fluoride (CaF). The molar mass of calcium fluoride can be calculated as follows:
CaF = 40g/mol + 19g/mol = 59g/mol
mass = 59g/mol × 1.5mol
mass = 88.5grams.
Therefore, 88.5grams of calcium fluoride is present in 1.5 moles of the compound.
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What happens to the potential energy of the molecules in a reaction? A. The reactants only lose potential energy when forming products. B. The potential energy of the products is equal to that of the reactants. C. The potential energy of the molecules does not change in a reaction. D. The potential energy of the molecules changes during a reaction.
Answers
Potential energy is changed into kinetic energy throughout this process, which is the heat produced during reactions. On the contrary, this happens in an endothermic process.
What happens to the molecules' potential energy during a reaction?Bonds break, new bonds form, and protons and electrons move from a structure with greater potential energy to one with lower potential energy during an exothermic reaction. Potential energy is changed into kinetic energy throughout this process.
What is a reaction's potential energy?The energy that is held inside the bonds and phases of the reactants and products is measured by potential energy. The internal energy includes this potential energy. The internal energy of chemical reactions, also known as enthalpy, stands in for the system's total energy.
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Starting with 0.3500 mol CO(g) and 0.05500 mol COCl2(g) in a 3.050 L flask at 668 K, how many moles of CI2(g) will be present at equilibrium?
CO(g) + Cl2(g)》COCl2(g)
Kc= 1.2 x 10^3 at 668 K
Answers
At equilibrium, the number of moles of \(Cl_2\) (g) will be 0.2025 mol.
1: Write the balanced chemical equation:
\(C_O\)(g) + \(Cl_2\)(g) ⟶ \(C_OCl_2\)(g)
2: Set up an ICE table to track the changes in moles of the substances involved in the reaction.
Initial:
\(C_O\)(g) = 0.3500 mol
\(Cl_2\)(g) = 0.05500 mol
\(C_OCl_2\)(g) = 0 mol
Change:
\(C_O\)(g) = -x
\(Cl_2\)(g) = -x
\(C_OCl_2\)(g) = +x
Equilibrium:
\(C_O\)(g) = 0.3500 - x mol
\(Cl_2\)(g) = 0.05500 - x mol
\(C_OCl_2\)(g) = x mol
3: Write the expression for the equilibrium constant (Kc) using the concentrations of the species involved:
Kc = [\(C_OCl_2\)(g)] / [\(C_O\)(g)] * [\(Cl_2\)(g)]
4: Substitute the given equilibrium constant (Kc) value into the expression:
1.2 x \(10^3\) = x / (0.3500 - x) * (0.05500 - x)
5: Solve the equation for x. Rearrange the equation to obtain a quadratic equation:
1.2 x \(10^3\) * (0.3500 - x) * (0.05500 - x) = x
6: Simplify and solve the quadratic equation. This can be done by multiplying out the terms, rearranging the equation to standard quadratic form, and then using the quadratic formula.
7: After solving the quadratic equation, you will find two possible values for x. However, since the number of moles cannot be negative, we discard the negative solution.
8: The positive value of x represents the number of moles of \(Cl_2\)(g) at equilibrium. Substitute the value of x into the expression for \(Cl_2\)(g):
\(Cl_2\)(g) = 0.05500 - x
9: Calculate the value of \(Cl_2\)(g) at equilibrium:
\(Cl_2\)(g) = 0.05500 - x
\(Cl_2\)(g) = 0.05500 - (positive value of x)
10: Calculate the final value of \(Cl_2\) (g) at equilibrium to get the answer.
Therefore, at equilibrium, the number of moles of \(Cl_2\) (g) will be 0.2025 mol.
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Covalent bonds are formed from the sharing of valence electrons.
• true or false
Answers
Answer:
true
Explanation:
it ture because it true
Is Ag3 PO4 ionic or covalent?
Answers
hope this helped
1. Making coffee or tea requires hot water to remove soluble components from the grounds or leaves. This is a separation process called extraction, removing a soluble component from solid material. What other separation technique is used to prepare the coffee or tea to drink
Answers
Answer:
The other technique which used to separate the coffee or tea is Filtration.
Filtration is a physical, biological or chemical operation that separates solid matter and fluid from a mixture with a filter medium that has a complex structure through which only the fluid can pass.
Solid particles that cannot pass through the filter medium are described as oversize and the fluid that passes through is called the filtrate.
Drag each positive ion to bond it with a negative ion to form the neutral ionic compound indicated.
Answers
Answer:
1. NaCl
2. NH4F
3. MgO
4.LiCl
5. KI
6. CaO
Explanation:
In that order
what is the number of molecules in 2.25 mol. of carbon dioxide molecules (CO2)
Answers
Answer:
1.36 x 10^24 molecules
Explanation:
1 mole of CO2 has 6.022 x 10^23 moles
=> 2.25 x 6.022 x 10^23 = 1.35495 x 10^24 or 1.36 x 10^24
In three to four sentences, explain the forces
on the child and the boat. How does this
Newton's Third Law of Motion?
demonstrate
Answers
According to Newton's Third Law of Motion, The force the child applies on the boat same force that is applied to the child.
The third regulation states that for every movement (force) in nature there is the same and contrary reaction. If item A exerts a force on object B, object B also exerts an identical and contrary force on item A. In different phrases, forces result from interactions.
The swimmer whilst swimming pushes in opposition to the pool wall along with his feet and in return hurries up (swims) inside the course contrary to that of his push. Newton's third law of motion states that for each movement, there may be the same and contrary reaction.
The third law states that for each motion (pressure) in nature there is a same and contrary reaction. If object A exerts pressure on item B, object B also exerts an identical and contrary pressure on object A.
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Write a short note on the life of people of ladakh
Answers
Explanation:
They historically leading a migratory shabby chic life with respect to the experiences of humans in Ladakh and are genuine and trustworthy. About the profession of people in Ladakh, 90% of their rely for their subsistence on cultivation dependent on the River Indus. Corn, barley, bulgur, beans, canola and peanuts are their principal staple foods.
How many neutrons does this atom have?
04
O 6
O 10
O 14
plzzzz i need help i will give 50 points
Answers
Answer:
c maybe if right plz mark brainliest
Explanation:
Answer:
14
Explanation:
it 14 there are 14 neutrons
Calculate the moles of sucrose, C12H22O11, in a 15.0-g sample of this substance.1. 0.0438 moles2. 1.42 moles3. 2.57 moles4. 0.00168 moles5. 6.10 moles
Answers
Answer:
\(0.0438\text{ mole}\)Explanation:
Here, we want to calculate the number of moles of sucrose in the mass of the sample
Mathematically, we have that as:
\(\begin{gathered} Number\text{ of moles = }\frac{mass}{molar\text{ mass}} \\ \end{gathered}\)The mass given is 15g, and the molar mass is 342.3 g/mol
Thus, we have the number of moles as:
\(Number\text{ of moles = }\frac{15}{342.3}\text{ = 0.0438 mole}\)Ibuprofen can be found in 800 mg doses in over-the-counter analgesics, such as Advil and Motrin. How many grams of iburofen
does such a tablet contain?
800 mg =
g
Answers
The grams of iburofen does such a tablet contain 800 mg = 0.8g Ibuprofen
1 g = 10^-3g = .001g
Ibuprofen has 800 mg doses in over-the-counter analgesic
800g = 800 × .001
= 0.8g
Ibuprofen is Nondteriodal Anti-inflammatory Drug (NSAID)Ibuprofen's Mechanism of Action is Decreases inflammation, pain, and fever through inhibition of cyclooxygenase activity and prostaglandin synthesisnonsteroidal anti-inflammatory medication (NSAID) used for pain relief and to reduce fever by stops inflammation and by blocking formation of cyclo-oxygenase (COX-2) a chemical mediator of inflammatory chemicals. i.e prostaglandinsIt comes under the Class analgesic (reduce pain) and antipyretic (FIRE - reduce fever)e side effects of ibuprofen NSAID are peripheral edema, fluid retention with edema, tinnitus, purpura, petechiae, anorexia, diarrhea, rash, nausea, vomiting, fatigue, dizziness, lightheadedness, anxiety, confusionTo know more about analgesic visit :
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Which of the following molecules contain POLAR COVALENT bonds?
A.) P4
B.) O2
C.) O3
D.) HF
Answers
D.) HF of the following molecules contain POLAR COVALENT bonds
Is the bond formed by HF polar?A polar covalent link holds a hydrogen atom and a fluorine atom together in a hydrogen fluoride (HF) molecule.
The molecule that has a polar covalent link in it is c. H-F since fluorine and hydrogen atoms have different electronegativities, which causes the bond to become polarised.
A polar molecule is one that has a little positive charge on one end and a slight negative charge on the other. A polar molecule is a diatomic compound, such as HF, that has a polar covalent link.
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Anand described a plant he had seen as follows:
- Its fruit grows in bunches.
- Its leaves are big and long.
- Its stem is soft but does not need a support.
Which plant has he described?
A
B
C
D
Answers
Answer: B). Banana
Explanation:
Banana tree leave are big, banana is a fruit, and it stem is soft.
PLS HELP ASAP THIS IS DUE TODAY
Answers
Answer: what grade are u in ill help
Explanation:
Explain why NO is more soluble in water than either N2 or O2. Fill in the following blanks.
a. Compared to nitrogen, the ____________of ethylene makes it more soluble in water.
b. The high solubility of sulfur dioxide can be explained by its ______________
c. Nitric oxide is more soluble than nitrogen and oxygen because of its ______________
d. Compared to oxygen, nitrogen's _____________ makes it more difficult for water molecules to surround the nitrogen molecules.
1. Polarity
2. Ability to react with water
3. Shorter bond length
4. Larger molecular size
Answers
Answer:
a. Larger molecular size
b. Ability to react with water
c. Polarity
d. Shorter bond length
Explanation:
Ethene is a larger molecule than oxygen and nitrogen hence it is more soluble than the both other gases .
SO2 dissolves readily in water to yield an acid solution. It is an acid anhydride.
Nitric oxide is a polar compound. It remains very much polar while nitrogen and oxygen are non polar.
Nitrogen is sp hybrized, this leads to a very short bond and does not easily interact with oxygen and nitrogen
What type of compound is represented by the graph at right? A. strong base B. strong acid C. weak base D. weak acid
Answers
The type of compound represented by the graph at right is a strong acid (option B).
What is a strong acid?An acid is generally any compound capable of dissociating into its respective constituent ions when in an aqueous solution.
An acid is categorised as strong or weak depending on whether it can dissociate completely or partially. A strong acid dissociates completely in water.
According to this question, HA, when added to water, dissociates into H+ and A- ions, hence, is a strong acid.
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