A carbocation is all of the following, except a nucleophile.A carbocation is a positively charged species, a reactive intermediate, and an electrophile, but it is not a nucleophile.
Nucleophiles are species that donate electrons to form a new covalent bond, while electrophiles are species that accept electrons to form a new covalent bond. Carbocation have a positive charge and therefore it is an electrophile.A carbocation is a type of organic cation in which a carbon atom has a positive charge. Carbocations are formed by the removal of a leaving group from an organic molecule, such as an alkane, alkyl halide, or alkyne, creating a positively charged carbon atom. Carbocations are typically intermediate species in organic reactions and are highly reactive, as the positive charge on the carbon atom creates a high degree of electron deficiency.
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Predict: In each "Climate type" box, Highlight the condition you think will lead to the fastest weathering for the given weathering type.
Weathering type
Climate type
Frost wedging
Hot
Cold
Wet
Dry
Clay formation
Hot
Cold
Wet
Dry
Dissolving
Hot
Cold
Wet
Dry
Answer:
Frost Wedging - Hot and dry
Clay Formation - Cold and Wet
Dissolving - Cold, and dry
Explanation:
The frost wedging happen when the climatic condition is hot and dry. The dry weather compensates the heat and the rock wedging happens quickly. For clay formation the weather has to be cold and wet. The cold weather will make the sand indulge with rock particles resulting in the clay formation.
The name for a mixture in which all samples are made up of the same
proportions of matter is:
Answer: homogeneous mixture
Explanation:
Please help asap i really need it
Answer:
decomposers
Explanation:
is it multiple choice
Water that falls from the clouds onto land could become ______ and travel to the ocean
A. Evaporation
B. Clouds
C. Condensation
D. Runoff
Answer:
runoff
Explanation:
...............................
Answer:
a.Evaporated
Explanation:
because water thet falls from the clouds into the land could become evaporation and travel to the ocean
The following equation is an example of a ______________ reaction. 2 NaCl + F2 → 2 NaF + Cl2 ?
Synthesis
Decomposition
Single replacement
Double replacement
Answer:
i think its single replacement
What are the sex cells of the plants that Mendel studied?
Answer:
alleles
Explanation:
Answer:
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ijdij
Explanation:
jsjj
Sharon puts a large pot of water on the stove to boil pasta. Then she starts to make a tomato sauce. When the sauce is cooking, she looks at the pot of water and thinks the water level is much lower than it was. How does this diagram of part of the water cycle help Sharon explain what happened to the pasta water?
Answer:
1. A
2. C
Explanation:
For the first question, we know that the water transformed into a gas. This fact eliminates choices C and D, primarily because they describe the change as "gas to liquid" instead of liquid to gas.
What separates B from A is that B is saying the liquid changed to a gas in response to sunlight, which is completely false and impertinent to the prompt.
A is the correct answer.
for the second question, we know that condensation causes clouds -- and that neither evaporation nor water vapor would clear clouds to make more of them, which eliminates choices B and D. Going back to condensation, the accumulation of water vapor plays a big role in the formation of clouds. While evaporation does play a part in [it] as well, condensation is what caused the sudden appearance of clouds in the troposphere.
C is the correct answer.
PLEASE HELP ANSWER ALL PARTS!!!
Answer:
The student should have multiplied the molar mass, which was not found, by the number of moles to get an answer of 925grams of Ca(OH)2.
Please find the correct step below
Explanation:
According to the question attached, the student was asked to find the mass in grams of a 12.5mol of Ca(OH)2.
Using the formula;
mole = mass ÷ molar mass
Molar mass of Ca(OH)2 = 40 + (16 + 1)2
= 40 + 17(2)
= 40 + 34
= 74g/mol
From the above formula;
Mass in grams = mole × molar mass
Mass (g) = 12.5 × 74
Mass (g) = 925grams of Ca(OH)2.
What is the name for: CO2?
AND
Describe the steps for how you determined this.
Answer:
carbon dioxide
C = carbon
O2 = dioxide
Which of the following is a property of a non-metal.
luster
ductile
malleable
does not conduct heat and electricity
Answer:
luster
:/:/:/:/:::/:::
Choose the aqueous solution below with the highest boiling point. These are all solutions of nonvolatile solutes and you should assume ideal van't Hoff factors where applicable.
The question is incomplete, the complete question is;
Choose the aqueous solution that has the highest boiling point. These are all solutions of nonvolatile solutes and you should assume ideal van't Hoff factors where applicable. 0.100 m C6H12O6 0.100 m AlCl3 0.100 m NaCl 0.100 m MgCl2 They all have the same boiling point.
Answer:
AlCl3 0.100 m
Explanation:
Let us remember that the boiling point elevation is given by;
ΔTb = Kb m i
Where;
ΔTb = boiling point elevation
Kb = boiling point constant
m = molality of the solution
i = Van't Hoff factor
We can see from the question that all the solutions possess the same molality, ΔTb now depends on the value of the Van't Hoff factor which in turn depends on the number of particles in solution.
AlCl3 yields four particles in solution, hence ΔTb is highest for AlCl3 . The solution having the highest value of ΔTb also has the highest boiling point.
Ummm help? From start to finish
How much 2.0 M NaCl solution would you need to make 250 mL of 0.15 M NaCl solution?
Answer:
18.75 mL
Explanation:
(M1)(V1)=(M2)(V2)
(2.0 M)(V1)=(0.15 M)(250 mL)
(2.0)(V1)=37.5
Divide 2.0 on both sides
V1=18.75 mL
why an aspirin tablet works faster if it is crushed rather than swallowed whole?
Answer: because the tablet is already crushed and is easy for the organism to absorb instead of having to break it down
Explanation:
To TWO significant figures, the measurement of 0.0255 g should be reported as
How many moles of water are contained in 3.58 x 10^24 molecules? 6.022
x 10^23 molecules = 1 mole
O 5.94 moles
0 10.0 moles
0 022 x 10^23 moles
0 3.00 moles
Answer:
Try everything
O 5.94 moles
0 10.0 moles
0 022 x 10^23 moles
0 3.00 moles
Explanation:
1s2, 2s2, 2p6, 3s2, 3p6, 4s2
How many shells does this atom have?
Answer:
4
Explanation:
chemical composition of the gas in LPG cylinder??
LPG is composed hydrocarbons containing three or four carbon atoms. The normal components of LPG thus, are propane (C3H8) and butane (C4H10). Small concentrations of other hydrocarbons may also be present.
Iron has density 7.87 g/cm", which means that a
cube with side length 2.54 cm will have mass:
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Can anyone help me with this assignment? Will give Brainliest.
Answer:
i cant get the pdf im so sorry
Explanation:
Answer:
Yes if u need help?
Explanation:
how do compaction and cementation cause sediments and form sedimentary rock
Answer:
Dissolved minerals in the ground water precipitate (crystallize) from water in the pore spaces forming mineral crusts on the sedimentary grains, gradually cementing the sediments, thus forming a rock
Explanation:
The ____________________ is an upward force exerted by a fluid on any object in the fluid. a. fluid pressure c. fluid force b. buoyant force d. Bernoulli force
Answer:
B. The Buoyant Force
Explanation:
'The Buoyant Force is an upward force exerted by a fluid on any object in the fluid.'
HI PLEASE HELPPPL I NEED THIS DUE VERY SOON
9)
What is the precipitate resulting from the double-replacement reaction BaCl2(aq) + 2NaOH(aq)?
A. Ba(OH)2
B. NaCl
C. BaNa2
D. CI(OH)
Answer:
A
Explanation:
I just did this question in class:))
How many molecules are in 7.9 mol of H202
Answer: There are [tex]47.6\times 10^{23}[/tex] molecules in 7.9 mol of [tex]H_2O_2[/tex]
Explanation:
According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number [tex]6.023\times 10^{23}[/tex] of particles.
1 mole of [tex]H_2O_2[/tex] molecule contains = [tex]6.023\times 10^{23}[/tex] molecules
Thus 7.9 mole of [tex]H_2O_2[/tex] molecule contains = [tex]\frac{6.023\times 10^{23}}{1}\times 7.9=47.6\times 10^{23}[/tex] molecules
Thus there are [tex]47.6\times 10^{23}[/tex] molecules in 7.9 mol of [tex]H_2O_2[/tex]
A rain garden is a garden planted in a low-lying area where water tends to collect.
What benefit would rain gardens most likely provide for a community?
discuss two physical and two chemical properties of Nitrogen
Answer:
Nitrogen gas (chemical symbol N) is generally inert, nonmetallic, colorless, odorless and tasteless. Its atomic number is 7, and it has an atomic weight of 14.0067. Nitrogen has a density of 1.251 grams/liter at 0 C and a specific gravity of 0.96737, making it slightly lighter than air.
Explanation:
Expressed to the correct number of significant figures, the sum of two masses is 445.2 grams. Which two masses produce this answer?
a) 210.10g+ 235.00g
b) 210.100g + 235.10g
c) 210.1g + 235.1g
d) 210.10g + 235.10g
Answer:
All except a
Explanation: I like math. Pls mark brainliest.
The two numbers presented in the options, B, C, and D give a sum of 445.2 grams. So the correct options are B, C, and D.
What are significant figures?The number that is given as digits is established using significant figures. A significant depiction of numbers is carried by these digits. Frequently, significant numbers are employed in place of figures. By counting all of the values beginning with the first non-zero digit on the left, we may determine the number of significant digits. 13.56, for instance, has four significant digits.
The crucial or key digits that accurately represent the meaning of a certain number are known as the significant figures of that number. 7.864 contains four significant digits, for instance. These huge amounts give the accuracy of the numbers. Additionally, they are known as important digits.
Therefore, the correct options are B, C, and D.
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Question 5
4
What type of plate boundary involves plates moving away from each other?
convergent
divergent
transform
Answer:
A divergent boundary!
Explanation:
A divergent boundary occurs when two plates move away from each other, while a convergent boundary is when two plated collide. And a transform plate boundary is when two plates horizontally slide against each other.
I hope this helps! ^^
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Answer:
The answer is Divergent boundaries
3 By referring to subatomic particles, explain why
an atom of
nitrogen is electrically neutral.
Answer:
Explained below
Explanation:
Atoms are said to be electrically neutral when they have the same number of protons and electrons.
Now, Nitrogen atom has a mass number of 14 and an atomic number of 7. This means that it has 7 number of protons and 7 number of electrons.
From the definition of electrically neutral atoms, it's clear that nitrogen falls into that category.
Two tennis balls are dropped at the same time. One tennis ball is dropped from the roof of a two-story house. The other tennis ball is dropped from 1 m off the ground. Which tennis ball will be moving the slowest as it hits the ground? Why?