Which fraction contains the largest molecules?
A) diesel
B)gasoline
C)kerosene?

Answers

Answer 1

The answer is A because of the shear thickness of diesel fuel

Related Questions

In a tug of war, the team on the left pulls with a force of 430 N and the team on the right pulls with a force of 420 N. What is the net force on the rope?
A. 10 N to the right
B. 10 N to the left
C. 420 N to the right
D. 430 N to the left

Answers

Answor

Explanation:

53 points and brainliest no link pls : in the Contact Process, sulfur dioxide is converted into sulfur trioxide and the following equilibrium is set up: SO2 (g) + O2 (g)--> 2 SO3 (g) ∆H = -27 kJ a) If sulfur dioxide is added to the mixture, what happens to the position of the equilibrium? b) If a catalyst is added to the mixture, what happens to the position of the equilibrium? c) if the pressure was increased in the above reaction, what happens to the position of the equilibrium? *

Answers

Answer:

the equilibrium will start to react and give off a gas

the position will start to move

Explanation:

according to the periodic table, which two elements have an atomic mass less than twice their atomic number?

Answers

Answer:

Hydrogen and Oxygen

Explanation:

Hydrogen atomic mass = 1.008 amu

atomic mass = 15.999 amu

According to the periodic table, two elements whose atomic mass is less than twice their atomic number are hydrogen and oxygen.

The atomic number of an atom refers to the number of protons in that atom. It serves as an identity for atoms of elements. The atomic mass of element is the weighted average of the masses of all the isotopes of the element.

The atomic number of oxygen is 8 while the atomic number of hydrogen is 1. The atomic mass of oxygen is 15.999 amu while the atomic mass of hydrogen is 1.0008 amu.

We can see that twice the atomic number of oxygen gives sixteen while twice the atomic number of hydrogen gives two. Therefore, two elements whose atomic mass is less than twice their atomic number are hydrogen and oxygen.

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_______ are the paths of objects around the sun.

Answers

Answer:

Orbit

Explanation:

when something makes a complete path around the sun it is called an orbit

What happens to the pH of the solution as you add more substance to it?

Answers

Answer:

If it's a buffer solution, the pH remains unchanged.

If it's a normal solution, and an acidic substance is added to it, the pH lowers.

If a basic substance is added to it, the pH increases.

if you’re adding an acid, PH decreases. If you’re adding a base/alkali, PH increases

2. C + S → CS2

Reaction Type:

Answers

Combination or synthesis reaction

Suppose Earth was tilted much less on its axis. What effect would this have on the planet? Please help me !

Answers

Answer:

If Earth was tilted much less on its axis, it would lead to minor changes in precipitation and temperatures as Earth moves slightly towards and away from the sun.

Explanation:

If a planet tilts more, it leads to colder winters and warmer summers. However, if a planet tilts less, it leads to less severe seasons that is and milder winters and cooler summers.

If Earth was tilted much less on its axis, it would lead to minor changes in precipitation and temperatures as Earth moves slightly towards and away from the sun.

How much water should be added to 5.00 g of KCl to prepare a 0.500 m
solution? *
Molality = moles of solute
Kg of solvent
100 g
38g
500 g
134 g
Other

Answers

Answer:133.4

Explanation: Explanation:

Molarity is number of moles of solute divided by number of litres of solution.

Rearrange for V to give

Number of moles of KCl is the mass divided by the molar mass of KCl which is 75.5 g/mol, so (5/75.5) = 0.0667 moles.

Now plug in the numbers:

0.0667

0.5

0.1334

litres

So you need to add 0.1334 litres of 133.4

of water.

(NB: symbol for molarity is upper case M. m is metres).

HELP ME PLS ASAP ILL GIVE BRAINLY

Whether you live in a tropical climate, a temperate climate, or a polar climate, you share something with the rest of the world- your climate is influenced by the latitude where you live. Which best describes why latitudes closer to the equator have warmer climates?

Latitudes closer to the equator are at lower elevations than latitudes away from the equator

Latitudes closer to the equator receive more solar energy than latitudes away from the equator

Latitudes closer to the equator are nearer to ocean currents than latitudes away from the equator

Latitudes closer to the equator get more wind carrying energy in the form of heat than latitudes away from the equator

Answers

Answer: Latitudes closer to the equator receive more solar energy than latitudes away from the equator

Explanation:

Calculate the freezing point of a nonionizing antifreeze solution containing 388 g ethylene glycol, C2H6O2, and 510 g of water.

Answers

Answer:

T° freezing solution = -22.8°C

Explanation:

To solve this problem we apply, the Freezing Point Depression. This is a colligative property which its formula is:

T° freezing pure solvent - T° freezing solution = Kf . molality . i

i = Van't Hoff factor.

We have been informed is a nonionizing solute, so i = 1

Our solute is ethylene glycol, so le'ts determine the moles to get molality

388 g . 1 mol / 62.07 g = 6.25 moles

molality (m) = moles of solute /kg of solvent

We convert mass of solvent, water, to kg → 510 g . 1kg /1000g = 0.510 kg

6.25 mol /0.510kg = 12.25 m

We replace at formula → 0°C - T° freezing solution = 1.86°C/m . 12.25 m . 1

T° freezing solution = -22.8°C

which of the following is true about these diagrams

Answers

Answer:

N/A NO DIAGRAM

Explanation:

N/A NO DIAGRAM

N/A NO DIAGRAM N/A NO DIAGRAM

N/A NO DIAGRAM

N/A NO DIAGRAM N/A NO DIAGRAM

N/A NO DIAGRAM

Calculate the number of molecules in a 45.6 gram sample of C2H4.

Answers

Answer: The number of molecules in a 45.6 gram sample of [tex]C_{2}H_{4}[/tex] are [tex]9.78 \times 10^{23}[/tex].

Explanation:

Given: Mass of [tex]C_{2}H_{4}[/tex] = 45.6 g

Molar mass of [tex]C_{2}H_{4}[/tex] is 28.05 g/mol.

Therefore, number of moles of [tex]C_{2}H_{4}[/tex] are calculated as follows.

[tex]No. of moles = \frac{mass}{molarmass}\\= \frac{45.6 g}{28.05 g/mol}\\= 1.62 mol[/tex]

According to the mole concept, 1 mole of every substance contains [tex]6.022 \times 10^{23}[/tex] molecules. Hence, number of molecules present in 1.62 mol are calculated as follows.

[tex]1.62 \times 6.022 \times 10^{23}\\= 9.78 \times 10^{23}[/tex]

Thus, we can conclude that the number of molecules in a 45.6 gram sample of [tex]C_{2}H_{4}[/tex] are [tex]9.78 \times 10^{23}[/tex].

How many mole ratios can be written for a chemical reaction involving four substances?

Answers

Answer:

12 and 20 moles ratios, respectively.

Explanation:

Note that the number of mole ratios you can write for a chemical reaction involving a total of n substances is (n)(n–1). Thus, for reactions involving four and five substances, you can write 12 and 20 moles ratios, respectively.

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What is the amount of moles of NaOH, if the solution molarity is .33 M NaOH in 0.75 L solution

Answers

Answer:

The amount of moles of NaOH is 0.0495

Explanation:

Molarity is a measure of concentration that is defined as the number of moles of solute that are dissolved in a given volume.

In symbolic form molarity is presented as:

[tex]Molarity=\frac{number of moles of solute}{volume}[/tex]

Molarity is expressed in units [tex]\frac{moles}{liter}[/tex].

In this case:

Molarity= 0.33 MNumber of moles of solute= ?Volume= 0.75 L

Replacing in the definition of molarity:

[tex]0.33 M=\frac{number of moles of solute}{0.75 L}[/tex]

number of moles of solute= 0.33 M* 0.75 L

number of moles of solute= 0.0495 moles

The amount of moles of NaOH is 0.0495

Answer:

0.248 moles of NaOH

Explanation:

Concept of Molarity is mol/L

[x] = 1 M

1 mol of x contained in 1 L of solution. We write molar concentrations between []

M = mol/L then M . L = mol

Our solution is NaOH

0.33 M . 0.75L = mol

This solution contains 0.248 moles of NaOH

What is one disadvantage of hydroelectric energy?

Answers

Impact on wild life,carbon and methane emissions,

What is the purpose of a buffer?

Answers

The main purpose of a buffer solution is just to resist the change in pH so that the pH of the solution won't be much affected when we add an acid or base into it. The added acid or base is neutralized.

Answer: A buffer solution is a solution made to prevent the pH level of something from changing when you add a base or an acid to it. For example, if you put a buffer solution in a pool, and then you put chlorine in it, the chlorine's effect on the PH level will be suppressed.

The Centers for Disease Control and Prevention (CDC) recommends that public health actions be initiated when the level of lead in a child’s blood is 5 micrograms per deciliter (µg/dL) or more. What is this in ppm? ( 1 dL = 0.1 dm^3)

a) 5 ppm
b) 0.5 ppm
c) 50 ppm
d) 0.05 ppm

Answers

c is the best for this

How to search icse board books by name and their solution

Answers

Answer:

i really don't know

Explanation:

but if you got an answer please let me know ty:)

if i put regular air into a ziplock bag does carbon dioxide come out?

Answers

Carbon dioxide is released. Because the bag is sealed closed and no air can escape, it inflates like a balloon.

R is the ideal gas constant. We know it is equal to 0.0821. What is the unit for R?
L•atm/mol K
L•atm/mol · °C
mL • atm/mol. K
L• kPa/mol - K

Answers

Answer:

A. L•atm/mol K

Explanation:

The ideal gas law equation is given as follows:

PV = nRT

Where;

P = pressure (atm)

V = volume (L)

n = number of moles (mol)

R = gas law constant

T = temperature (K)

As rightly stated in this question, R is the ideal gas constant, which can be different depending on the unit of the other components.

At STP;

V = 22.4L

P = 1 atm

T = 273 K

n = 1 mole

Hence, using PV = nRT

R = PV/nT

R = 1 × 22.4/1 × 273

R = 22.4/273

R = 0.08205

Approximately, R = 0.0821

With the units of P as atm, V as L, n as mol and T as K; R will be 0.0821 L•atm/mol K

Explain the term respiration and how this process increases the percentage of carbon dioxide in the atmosphere.

Answers

Answer:

Please find the explanation to this question below.

Explanation:

If I add 25 mL of water to 125 mL of a 0.15 M NaOH solution, what will the molarity of the diluted solution be? (convert mL to L and round answer to 3 decimals)

Answers

Answer:

0.75 M

Explanation:

M1 = 0.15 M

V1 = 125 mL or 0.125 L

M2 = Y

V2 = 25 mL or 0.025 L

0.15 M x 0.125 mL = Y x 0.025 L

Y = 0.15 M x 0.125 mL / 0.025 L

Cancel out the mL

Y = 0.01875M / 0.025 L

Y = 0.75M

Answer:

0.125 M

Explanation:

M₁V₁ = M₂V₂

125 mL / 1000 = 0.125 L = V₁

25 + 125 = 150 mL / 1000 = 0.150 L = V₂

0.15 M = M₁

M₁ × V₁ / V₂ = M₂

(0.15) × (0.125) / (0.150) = 0.125 M

0.125 M is the answer

In order to expand agriculture and urban areas to meet increased demand for growing populations, water supplies often have to be diverted. In three to five sentences, construct a potential chain of consequences for what could happen when water is diverted from large bodies like lakes and rivers

Answers

Answer:

Decrease occur in the amount and flow of water bodies.

Explanation:

There is decrease in the amount and flow of water from water bodies such as rivers and lakes etc occur when the river is diverted from large water bodies because the water flows to the diverted sides and decrease occurs in the amount of water in the rivers and lakes. Those regions from where this river passes can also be negatively affected due to low amount of water they receives for their daily needs or for cultivation of crops so we can say that this diversion has adverse effect on other populations.

Convert 15.75 grams of Magnesium to atoms.

Answers

Answer: [tex]3.903\times 10^{23}[/tex]

Explanation:

Given

Mass of magnesium is [tex]m=15.75\ gm[/tex]

The molar mass of magnesium [tex]M=24.3\ g/mol[/tex]

No of moles in 15.75 g of magnesium is

[tex]\Rightarrow n=\dfrac{15.75}{24.3}\\\\\Rightarrow n=0.648\ \text{moles}[/tex]

1 mole contains [tex]6.022\times 10^{23}[/tex] atoms

So, 0.648 moles contain [tex]0.648\times 6.022\times 10^{23}[/tex]

[tex]=3.903\times 10^{23}\ \text{atoms}[/tex]

25) In a certain area where there are many farms, the groundwater levels have dropped by as much as 10 m over a period of 30 years. The main cause behind this is MOST LIKELY

A) the evaporation of water from aquifers.

B) the excessive pumping of water through wells.

C) the leakage of fertilizers from the farms into the aquifer.

D) the construction of a dam to divert water into a reservoir.
NO LINKS!!!
I will give Brainliest to 1st right answer!

Answers

Answer:

I a, answering so the other dude can get brainily oh and yeah its b

Explanation:

The excessive pumping of water through well is the major reason for the drop of ground water level. The nearby farms over use water and pumps from undergrounds.

What is underground water?

Water beneath the earth surface is called ground water. The storage of ground water is a very important in all areas to sustain our need for water and it must be maintained pure without the presence of overdose of heavy metals and other impurities.

Reduction in the level of ground water storage is a serious issue that might leads to a scenario where the drinking water is not sufficient. The uncontrolled use of pump water by factories, industries and farms results in the drop of ground water level.

The nearby farms might pumping water from sources uncontrollably in the area. That is the main reason of dropping in ground water level. Hence, option B is correct.

Find more on groundwater storage:

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which two technologies use reflected sound waves
A. Ultrasound imaging B. Sonar C.Radar D. Solar panels

Answers

Answer: The answer is B.Sonar and C.Radar

Explanation:

They are both just like an echo which is the main things that uses reflected sound waves. They are basically like synonyms for echo.

A sample of sulfur dioxide occupies a volume of 6052 mL at 352 K and 892 mm Hg. What volume will the sulfur dioxide occupy at STP?

Answers

Answer:

5511.99 mL

Explanation:

Given data

Volume V1= 6052 mL

Temperature T1= 352K

Pressure P1= 892 mm Hg

At STP the parameters of gas are

Temperature T2= 273.15 K

Pressure P2= 760 mmHg

Applying the gas equation

P1V1/T1= P2V2/T2

Substitute to find V2 we have

892*6052/352= 760*V2/273.15

5398384/352= 760*V2/273.15

15336.31= 760*V2/273.15

Cross multiply

15336.31*273.15= 760*V2

4189113.0765= 760*V2

4189113.0765/760= V2

V2= 5511.99 mL

Hence the volume at STP is 5511.99 mL

What must be known to find an object's average speed?
*direction and time
*distance and time
*displacement and direction

Answers

Answer:

distance and time

Explanation:

total distance/ total time

Please someone help ! I need it ASAP

Answers

Answer:

6.B

7.B

Explanation:

Mark me as brainliest

6b
7b
Are the correct answers

Which organelle stores the information that determines an individual blood type

Answers

Answer:organelle 1

Explanation:

Organulo 1 is the organelle that stores the information that determines an individual blood type. The correct option is option A.

What is organelle?

A tiny cellular component known as an organelle serves a specialised purpose within a cell. The cytoplasm of prokaryotic and eukaryotic cells contains organelles. Organelles are frequently encased by a separate membrane in eukaryotic cells because they are more complicated.

Similar to the internal organs of the body, organelles are specialised and carry out important tasks required for proper cellular function. Organelles are responsible for a variety of tasks, such as powering a cell's energy needs and regulating its development and reproduction. Organulo 1 is the organelle that stores the information that determines an individual blood type.

Therefore, Organulo 1 is the organelle that stores the information that determines an individual blood type. The correct option is option A.

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Your question is incomplete but most probably your full question was,

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Which fraction contains the largest molecules? A) diesel B)gasoline C)kerosene?

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Which fraction contains the largest molecules?
A) diesel
B)gasoline
C)kerosene?