dentify the compound that does NOT have hydrogen bonding. Identify the compound that does NOT have hydrogen bonding. HF (CH3)2N(CH2) 4 CH3 H2O CH3(CH2) 4 OH CH3(CH2) 2 NH2

Answer:

a

Explanation:

a

Answer:

B. Isotopes of the element.

Explanation:

Isotopes are basically atoms of the same element that contain the same number of protons, but a different number of neutrons.

Answer:

Discrete atoms

Argon

Molecules

Bromine

Nitrogen

Fluorine

Explanation:

The existence of substances in the elemental form depends on the nature of the substance.

Argon is a noble gas hence it seldom participates in chemical combination therefore it exists as discrete molecules in elemental form.

Bromine, fluorine and nitrogen all exist as diatomic gases because they combine readily with each other to form elemental molecules. An elemental molecule is a molecule composed of the atoms of the same element.

Answer:

6.85 g

Explanation:

Step 1: Given data

Step 2: Calculate the moles of sucrose (solute) required

Molarity is equal to the moles of solute divided by the liters of solution.

M = moles of solute / liters of solution

moles of solute = M × liters of solution

moles of solute = 0.200 mol/L × 0.10000 L = 0.0200 mol

Step 3: Calculate the mass corresponding to 0.0200 moles of sucrose

The molar mass of sucrose is 342.3 g/mol.

0.0200 mol × 342.3 g/mol = 6.85 g

The amount of sucrose (in grams) must be weighed out for the given reaction is 6.846g.

Mass of any substance will be calculated by using the moles as:
n = W/M, where

W = required mass

M = molar mass

Given that, molarity of sucrose = 0.2 M

Volume of solution = 100mL = 0.1 L

Relation between moles and molarity is represented as:
M = n/V

On putting values on the above equation we get,

n = (0.2)(0.1) = 0.02 moles

We know that molar mass of sucrose (C₁₂H₂₂O₁₁) = 342.3 g/mole

Now we calculate the required mass by putting values on the first equation as:
W = (0.02)(342.3) = 6.846g

Hence, the required mass of sucrose is 6.846g.

To know more about moles, visit the below link:

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Answer:

around 5-10 minutes it may take but the actual answer is when the temperature of water reaches 100°Celsius

Answer:

How Long Does It Take to Boil Water? To boil 1 liter of water (4 cups), it takes about 8 to 10 minutes in a pot on the stove with high heat and the lid on. 1 liter of water boils in an electric kettle in about 4 to 5 minutes. 1 liter of water boils in a microwave in about 3 to 4 minutes

have a great day

Answer:

the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.

Explanation:

Answer:

D. The planet that is closer to the Sun

Answer: 236.588

Explanation:

Answer:

8.000 fl = 236588.2375ml

Answer:

18 grams

Explanation:

Mass of solution = 150 g

Percent concentration = 12%

Percent concentration = mass of solute/mass of solution × 100

Let the mass of solute be x

12= x/150 × 100

12= 100x/150

12 × 150 =100x

x= 12 × 150/100

x = 18 g

Answer:

18

Explanation:

Mass of solution = 150 g

Percent concentration = 12%

Percent concentration = mass of solute/mass of solution × 100

Let the mass of solute be x

12= x/150 × 100

12= 100x/150

12 × 150 =100x

x= 12 × 150/100

x = 18 g

Answer:

3

Explanation:

Hydrogen bonding occurs between molecules in which hydrogen is bonded to a highly electronegative atom such as nitrogen, oxygen, chlorine, etc.

In option 3, the two compounds are H3N and H2O. In both molecules, hydrogen is directly attached to highly electro negative atoms(nitrogen and oxygen respectively). Hence, it is only in option 3 that we observe hydrogen bonding.

Its Acutally A Because if you use the type he used its not even the question

Explination

Im RIght

From the stoichiometry of the reaction, 0.74 moles of aluminium oxide is produced.

The equation of the reaction is;

4Al + 3O2 --> 2Al2O3

Number of moles of Al =  40.0/27 g/mol = 1.48 moles

Number of moles of O2 = 19.0 g/32 g/mol = 0.59 moles

Now;

4 mols of Al reacts with 3 moles of O2

1.48 moles of Al reacts with  1.48 moles ×  3 moles/4 mols

= 1.11 moles

We can see that O2 is the reactant in excess.

Hence;

4 moles of Al produces 2 moles of aluminium oxide

1.48 moles of Al produces 1.48 moles ×  2 moles/4 moles = 0.74 moles of aluminium oxide

Learn more about stoichiometry: https://brainly.com/question/9743981

Answer:

i think it's variable pressure

if not soo advance sorry :)

Answer:

108.81 K

Explanation:

First convert 17 °C to Kelvin:

Assuming ideal behaviour, we can solve this problem by using the combined gas law, which states that at constant composition:

Where in this case:

We input the data:

And solve for T₂:

Answer:

Please find the complete question in the attached file.

Explanation:

It would only be radioactive if the DNA molecule that employed the poly-T rand as templates. Its other molecule of the daughter would not have been radioactive as it did not need dATP for its replication. While each strand of the second molecule includes t, simultaneous reproduction dATP from both daughter molecules is needed so that each of those is radioactive.

Answer:

d. Both Cl and COCI are intermediates.

Explanation:

Hey there!

In this case, according to the given mechanism:

Cl2 --> 2Cl

Cl+ CO --> COCl

COCl + Cl2 --> COCl2 + Cl

2Cl --> Cl2

We can see that the overall reaction, omits the presence Cl, COCl and the result is:

Cl2+CO-->COCl2

Which means d. Both Cl and COCI are intermediates.

Regards!

Answer:

d. HNO3 + NaOH → NaNO3 + H2O

Explanation:

Hello there!

In this case, according to the given chemical reactions, it turns out necessary for us to recall the definition of neutralization reaction as those whereby an acid reacts with a base, that is why a, b and c are not within the aforementioned description.

In such a way, we infer the reaction is d. HNO3 + NaOH → NaNO3 + H2O since HNO3 is the acid and NaOH the base.

Regards!

Answer:

2.00 × 10⁻³ g

Explanation:

Step 1: Write the balanced decomposition reaction

2 NaHCO₃ ⇒ Na₂CO₃ + CO₂ + H₂O

Step 2: Calculate the moles corresponding to 0.0118 g of Na₂CO₃

The molar mass of Na₂CO₃ is 105.99 g/mol.

0.0118 g × 1 mol/105.99 g = 1.11 × 10⁻⁴ mol

Step 3: Calculate the moles of H₂O produced with 1.11 × 10⁻⁴ moles of Na₂CO₃

The molar ratio of Na₂CO₃ to H₂O is 1:1. The moles of H₂O produced are 1/1 × 1.11 × 10⁻⁴ mol = 1.11 × 10⁻⁴ mol.

Step 4: Calculate the mass corresponding to 1.11 × 10⁻⁴ moles of H₂O

The molar mass of H₂O is 18.02 g/mol.

1.11 × 10⁻⁴ mol × 18.02 g/mol =  2.00 × 10⁻³ g

Answer: The equilibrium constant for the given chemical reaction is [tex][O_2]^3[/tex]

Explanation:

The equilibrium constant is defined as the ratio of the concentration of the products to the concentration of reactants each raised to the power of their stoichiometric coefficients.

The concentration of all the solids and liquids are considered to be 1 in the expression of equilibrium constant

For the given chemical equation:

[tex]2KClO_3(s)\rightleftharpoons 2KCl(s)+3O_2(aq)[/tex]

The expression of equilibrium constant follows:

[tex]K_{eq}=[O_2]^3[/tex]

Hence, the equilibrium constant for the given chemical reaction is [tex][O_2]^3[/tex]

Answer:

In Watson and Crick's model, the two strands of the DNA double helix are held together by hydrogen bonds between nitrogenous bases on opposite strands. Each pair of bases lies flat, forming a "rung" on the ladder of the DNA molecule.

Explanation:

hope it helps ya

Answer:

the answer is b,.........

Answer:

Unsaturated

Explanation:

Answer:

Human cells are eukaryotic which means they are more complicated, bacteria cells are prokaryotic which means they are simpler

Explanation:

Hope this helps

Answer:

[tex]P_T=112.4torr[/tex]

Explanation:

Hello there!

In this case, since these problems about gas mixtures are based off Dalton's law in terms of mole fraction, partial pressure and total pressure, we can write the following for hydrogen, we are given its partial pressure:

[tex]P_{H_2}=x_{H_2}*P_T[/tex]

And can be solved for the total pressure as follows:

[tex]P_T=\frac{P_{H_2}}{x_{H_2}}[/tex]

However, we first calculate the mole fraction of hydrogen by subtracting that of nitrogen to 1 due to:

[tex]x_{H_2}+x_{N_2}=1\\\\x_{H_2}=1-0.333=0.667[/tex]

Then, we can plug in to obtain the total pressure:

[tex]P_T=\frac{75.0torr}{0.667}\\\\P_T=112.4torr[/tex]

Regards!

Answer:

A. Acidic

B. Neutral

C. Basic

D. Acidic

E. Basic

Explanation:

The reaction of salts with water to give aqueous solutions which are either acidic, basic or neutral is known as salt hydrolysis. Salts that are produced from the reaction of strong acids and weak bases give acidic solutions. Salts that are produced the reaction between weak acids and strong bases give basic solutions. Neutral solutions are obtained from salts produced bynthe reaction of strong acids and strong bases.

The hydrolysis of the given salts are shown below:

A. AlCl₃ + 3 H₂O ---> 3 HCl + Al(OH)₃

The aqueous solution produced will be acidic since HCl is a strong acid while Al(OH)₃ is a weak base.

B. NaBr + H₂O ----> HBr + NaOH

The aqueous solution produced will be neutral since HBr is a strong acid and NaOH is strong base as well.

C. NaClO + H₂O ----> HClO + NaOH

The aqueous solution produced will be basic since HClO is a weak acid while NaOH is a strong base.

D. CH₃NH₃NO₃ + H₂O ----> HNO₃ + CH₃NH₂ + H₂O

The aqueous solution produced will be acidic since HNO₃ is a strong acid while CH₃NH₂ is a weak base.

E. Na₂SO₃ + 2 H₂O ----> H₂SO₃ + 2 NaOH

The aqueous solution produced will be basic since H₂SO₃ is a weak acid while NaOH is a strong base.

Based on the products formed when they react with water, the following is true:

When AlCl₃ reacts with water, it produces Hydrochloric acid which is a strong acid. The solution will be acidic.

NaBr reacting with water produces a strong base in Sodium Hydroxide and a strong acid in Hydrobromic acid. As they are both strong, they will cancel the other out and leave a neutral solution.

NaClO will produce a weak acid and a strong base which is Sodium Hydroxide. Solution will be basic.

3CH₃NH₃NO₃  will produce a weak base and a strong acid - Nitric Acid - which would make the solution acidic.

Na₂SO₃ would produce the strong base Sodium Hydroxide and a weak acid so the solution will be basic.

Find out more on bases and acids at https://brainly.com/question/15486690.

Answer:

b. unsaturated .

Explanation:

Hello there!

In this case, according to the given information, it turns out necessary for us to bear to mind the definition of each type of solution:

- Supersaturated solution: comprises a large amount of solute at a temperature at which it will be able to crystalize upon standing.

- Unsaturated solution: is a solution in which a solvent is able to dissolve any more solute at a given temperature.

- Saturated solution can be defined as a solution in which a solvent is not capable of dissolving any more solute at a given temperature.

In such a way, since 20 grams of the solute are less than the solubility, we infer this is b. unsaturated, as 33.3 grams of solute can be further added to the 100 grams of water.

Regards!

Answer:

Because platelets and other things are "suspended" in the plasma.

Explanation:

When blood is put into a centrifuge it separates into its separate components (eg: Red blood cells, plasma, White blood cells, platelets, etc)

Answer:

Look Below

Explanation:

In terms of mechanical digestion, the teeth provide grinding and tearing motion to break down the food into physically smaller pieces the tongue assists the teeth by moving itself and food around the mouth. In terms of chemical digestion, salivary glands in the back of the tongue and the lower mouth release saliva as a method of adding liquid to the food to help the process of swallowing. In addition, saliva contains the enzyme amylase which helps process some starches into more simple sugars.