Given a formula of a functional group: An organic compound that has this functional group is classified as

Answers

Answer 1

Answer: An organic compound that has this functional group is classified as Unsaturated hydrocarbons, Halides, Acids and bases, Aldehydes and Ketones.

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What is the mass percent of oxygen in sodium bicarbonate (NaHCO3)?

Answers

The answer is 57.14%.

First we need to calculate molar mass of NaHCO3. Molar mass is mass of 1 mole of a substance. It is the sum of relative atomic masses, which are masses of atoms of the elements.

Relative atomic mass of Na is 22.99 g
Relative atomic mass of H is 1 g
Relative atomic mass of C is 12.01 g
Relative atomic mass of O is 16 g.

Molar mass of NaHCO3 is:
22.99 g + 1 g + 12.01 g + 3 · 16 g = 84 g

Now, mass of oxygen in NaHCO3 is:
3 · 16 g = 48 g

mass percent of oxygen in NaHCO3:
48 g ÷ 84 g · 100% = 57.14%

Therefore, the mass percent of oxygen in sodium bicarbonate is 57.14%.

Which metallic properties are caused by atoms rolling over each other in metallic bonds?malleability and ductility
shininess and ductility
conductivity, malleability, and shininess
ductility, conductivity, and malleability

Answers

Answer: malleability and ductility

Explanation:-

Malleability is the property of metals to be beaten into sheets. Ductility is the property of metals to be drawn into wires.The delocalized sea of electrons enable the metal atoms to roll over each other when stress is applied and thus they can be converted to sheets or wires.

Shininess of metals is because electrons on the surface can bounce back light at the same frequency as the light hits the surface.

When a wire is connected to a metal, the delocalized electrons are drawn to the positive pole and thus helps in the conduction of electricity.

The metallic properties that are caused by atoms rolling over each other in metallic bonds are malleability and ductility.the atoms that are being rolled over are delocalized electrons in the sea of electrons in the metallic bond enable them to roll over when stress is applied.

I WILL GIVE BRAINLIEST!Pentan-2-ol was heated with an acidified solution of potassium dichromate. Name the product(s) of this reaction.
A) Pentanoid acid
B) Pentanal
C) Pentan-2-one
D) Propanoic acid and ethanoic acid

Answers

Answer:

C) Pentan-2-one

Explanation:

The product of the reaction of pentan-2-ol with acidified potassium dichromate is pentan-2-one.

Pentan-2-ol is a secondary alcohol, and secondary alcohols are oxidized to ketones by acidified potassium dichromate. The reaction is as follows:

CH3CH(OH)CH3 + K2Cr2O7 + H2SO4 → CH3COCH3 + Cr2(SO4)3 + K2SO4 + H2O

Propanoic and ethanoic acids are not products of this reaction.

Therefore, the answer is (C).

bardAI

NAME THESE ALCOHOLS. CH3CH2CH2CH2OH AND CH3CH(OH)CH3

Answers

"CH3CH2CH2CH2OH " is known by the name of "n-butanol" and "CH3CH(OH)CH3" is known by the name of "Isopropyl alcohol". These two given products are basically alcohols. I hope that this is the answer that you were looking for and the answer has actually come to your desired help. Thanks for joining brainly and getting your questions solved.

Which one of the following is an example of an acid-base reaction?A. HCI + KOH --> H2O + KCl

B. 2CuS + 302 –>2CuO + 2SO2

C. S8 + 802 —> 8SO2

D. C3H8 + 5O2 —> 3CO2 + 4H2O

Answers

A ? cuz uhhh anything with hydrogen turns into acid? lol i’m not good at this

Answer:

Explanation:

A chemical reaction between iron atoms and oxygen molecules can only occur if(1) the particles are heated
(2) the atmospheric pressure decreases
(3) there is a catalyst present
(4) there are effective collisions between the particles

Answers

Answer: option (4) there are effective collisions between the particles

Justification:

The collision theory explains the chemical reactions in terms of collisions. A chemical reaction takes place if two molecules collide effectively.

So, the first conditon is that the collision occur.

The second condition, that the collision be effective requires two conditions:

1) that the collision occurs with the proper orientation of the molecules, and

2) that the energy of collision be high enough to start the break of the original bonds ant the creation of the new bonds in the activated complex.

The energy required to form this activated complex is the activation energy.

So, an effective collision requires the proper orientation of the molecules when they collide and that the energy be equal or greater than the activation energy.

Temperature and catalyst are factors that affect the occurrence of those collisions, so they affect the rate of the reaction, by modifiying the number of collisions.

the answer is D because in order for a reaction to take place there must be collisions between the iron and oxygen atoms

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