List the following alcohols in the order of increasing boiling points (BP). A)
glycerol, B) ethylene glycol, C) n-hexyl alcohol, D) n-propyl alcohol, E)
isopropyl alcohol, F) n-butyl alcohol (Hint: You don't need to look up the BP
values, since the order can be predicted from the structures.)
*
A. ABDEFC
B. BADEFC
C. DEFCBA
D. ABCFED
E. EDFCBA

Answer:

H

Explanation:

Explanation:

[tex] \frac{p1v1}{t1} = \frac{p2v2}{t2} [/tex]

1 × 30/273 = 2 × V2/300

V2=300×30/2×273

V2= 16.5 ml

Answer:

9.16895 grams

Explanation:

cuz u have number of moles of silver which = 0.085

so u must know that molar mass of silver =107.87 g/mol

so the mass of silver = number of moles × molar mass =0.085×107.87= 9.16895 grams

Answer:

Some of the energy from the electrons is used to pump hydrogen ions across the membrane, creating an electrochemical gradient that drives the synthesis of many more molecules of ATP. In all three stages of cellular respiration combined, as many as 38 molecules of ATP are produced from just one molecule of glucose.

Explanation:

Answer:

recognition, intrusion and distraction

Explanation:

The energy of -91.8 kJ in the reaction equation shows that energy is released so this is an exothermic reaction.

A thermochemical equation is one which just does not only show the reactants and products but also shows the energy absorbed or emitted in the reaction.

We can see from the thermochemical equation; N2(g) + 3H2(g) → 2NH3(g); ΔH = -91.8 kJ that the negative enthalpy implies that  energy is released so this is an exothermic reaction.

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[tex]\Large \text{1)}[/tex]

[tex]\textbf{Use the formula and substitute the values}[/tex]

[tex]\displaystyle 0.3\ mol/L = \frac{n \ mol}{10 \times 10^{-3}\ L}[/tex]

[tex]\textbf{Solve for the number of moles}[/tex]

[tex]n = 0.003\ mol[/tex]

[tex]\textbf{Calculate final volume }[/tex]

[tex]40+10=50\ mL[/tex]

[tex]\textbf{Number of moles remains same. Solve for concentration}[/tex]

[tex]\displaystyle C=\frac{0.003\ mol}{50 \times 10^{-3}\ L} =0.06\ mol/L[/tex]

[tex]\Large \text{2)}[/tex]

[tex]\displaystyle DF=\frac{V_f}{V_i}[/tex]

[tex]\displaystyle DF=\frac{50}{10}=5[/tex]

Answer:

0.52 mole

Explanation:

How many moles of Al2O3 will be formed when 27 grams of Al reacts with O2? Hence 0.78 mole of oygen react with Aluminium to give 0.52 mole of Al2O3.

Answer:The colour and distribution of the organism's biochromes

Explanation:

The colour and distribution of the organism's biochromes (pigments), particularly the relative location of differently coloured areas; the shape, posture, position, and movement of the organism; and the quality and quantity of light striking the organism

it has to be b

Explanation:

bc the 4th power to 5 is 2

Based on the concentration of the solutions, the increase in volume is as follows:

Osmosis is the movement of water molecules from a region of low solute concentration to a region of high solute concentration through a semipermeable membrane.

The movement of water molecules in the solution pairs is as follows:

Therefore, the increase in volume depends on the concentration ofvthe solutions.

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Balanced chemical reaction

[tex]\\ \rm{:}\dashrightarrow 3M+N_2\longrightarrow M_3N_2[/tex]

Answer:

c. they have the same number of valence electrons

Answer:

(D) petroleum

Explanation:

because as we know that petroleum is obtain from the sea bed,within the remains of animals and plants which lived millions of year ago......

Answer:

3-methylhexane

Explanation:

For naming alkane molecules follow the following steps

1) Find the longest continuous carbon chain and count the number of carbons

In this structure, it is from the bottom, then up, then to the right. Making a right angle. There is 6 carbons in this chain which means it's a hexane

2) Number the longest carbon chain so the constituents (parts not part of the carbon chain) are connected to the carbon with smallest number possible.

This gives the extra CH3 group connected to carbon 3

3) Put it all together

Methyl connected to carbon 3 + hexane

3-methylhexane

Answer:

H

2

O

2

(aq)+ClO

4

−

(aq)⟶O

2

(g)+ClO

2

−

(aq)

All atoms except H and O are balanced.

The oxidation number of Cl changes from 7 to 3. The change in the oxidation number is 4.

The oxidation number of O changes from -1 to 0. The change in oxidation number per O atom is 1.

Total change in the oxidation number for 2 oxygen atoms is 2.

To balance the increase in oxidation number with decrease in the oxidation number, multiply H

2

O

2

and O

2

with coefficients 2.

2H

2

O

2

(aq)+ClO

4

−

(aq)⟶2O

2

(g)+ClO

2

−

(aq)

To balance O atoms, add 2 water molecules on RHS.

2H

2

O

2

(aq)+ClO

4

−

(aq)⟶2O

2

(g)+ClO

2

−

(aq)+2H

2

O(l)

The oxygen atoms are already balanced.

This is the balanced chemical equation

Answer: A

Explanation:

The concentration of the solution reduces and the number of moles of solute isn't affected.

Data;

1. When the solution is diluted, the concentration changes and this time, the concentration reduces.

Using dilution formula

[tex]c_1 v_1 = c_2 v_2\\12 * 50 = c_2 * 200\\c_2 = \frac{600}{200} \\c_2 = 3M[/tex]

The concentration of the solution reduces.

2. The number of moles remains the same.

When a solution is diluted, the number of moles remains the same because there's no change in the mass of the solute.

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Answer:

43.40%

Explanation:

The molar mass of M is 40.2 g/mol and the name of the element is Calcium.

35.3g of element M reacted with nitrogen to produce 43.5g of compound M3N2.

3M + N₂→ M₃N₂

Therefore,

let the molar mass of element = x

35.3 g of M = 43.5 g of  M₃N₂

3x g of M = 3x + 28

cross multiply

35.3(3x + 28) = 43.5(3x)

105.9x + 988.4 = 130.5x

988.4 = 130.5x - 105.9x

988.4  = 24.6x

x = 988.4 / 24.6

x = 40.1788617886

x = 40.2

Therefore, the molar mass of M is 40.2 g/mol and the name of the element is Calcium.

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The total bond energy of 2OH bond is 928 kJ/mol

Bond energy is the energy needed to break or form bonds. They are measured in kilojoule per mole (kJ/mol).

Since we are given that the bond energy of O-H is 464 kJ/mol and we require the total bond energy of 2OH. In 2OH, the are two O-H bonds.

So, the bond energy of the two O-H bonds will be twice that of the single O-H bond.

So bond energy of 2OH = 2 × bond energy of O-H = 2 ×  464 kJ/mol

= 928 kJ/mol

So, the total bond energy of 2OH bond is 928 kJ/mol

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Answer:

illustrates ways things are similar and different

Explanation:

Answer:

illustrates ways things are similar and different

Answer:

1. 2

2. 2

3. 3

Explanation:

That's my answer

Answer:

The partial pressure of an individual gas is equal to the total pressure multiplied by the mole fraction of that gas.

Answer:

The wind will keep pushing against it and it will go around and above it. You can test this by holding a pot and a hairdryer. The air will go around the pot so the wind will do the same. The wind will go aound the object blocking its path by going to the side or up.

Explanation:

The wind will keep pushing against it and it will go around and above it. You can test this by holding a pot and a hairdryer. The air will go around the pot so the wind will do the same. The wind will go aound the object blocking its path by going to the side or up.

THEY ARE CALLED PREVAILING WINDS!!!!

Have an amazing day!!!

PLEASE RATE AND MARK BRAINLIEST!!!!

Answer: 1. D. It warms the air masses.

2. D. The air moves from high to low pressure systems.

3. B. It is pushed upwards and out.

4. B. uneven rainfall

Hope this helped! Brainliest would be appreciated. :)

Answer:

B. Because the planet travels slowly when it is far away from the sun

Answer:

the first would be an polar compound the second would be a ionic compound and the third would be nonpolar compound

[tex] \large \sf \: answer[/tex]

You can identify the aldehyde from acidic potassium permanganate. Purple colour of acidic potassium permanganate is changed to colourless because aldehyde is oxidized by acidic potassium permanganate.

Potassium atom would not bond with a calcium atom because two metals because they are not capable of accepting electrons.

This is referred to as a substance with high electrical conductivity, luster, and malleability, which readily loses electrons to form positive ions known as cations.

The formation of chemical bonds in a reaction requires a change in electron distribution which can only be possible when one of the elements participating in the reaction can accept electrons and is therefore the reason why two metals such as potassium and calcium atom can't form a reaction but two non metals can.

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