A jumble of questions realtive to chemistry

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In summary, the speaker is a student who has started an AP Chemistry class a year earlier than usual and has some questions about various topics such as hybridization, electron configuration, enthalpy change, using symbols on forums, predicting bond angles and polarity, and predicting the physical structure of molecules/ions. They have already done some research but are looking for additional help and are open to starting a new thread if needed. They mention that these questions cover several months' worth of material.
  • #1
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i just started an ap chemistry class (a year earlier than is generally allowed) therefore i am having some questions being of less background teaching.. this post my be followed by others of similar nature...and i hope some of you would like to help. (this is all on summerwork, and does not face any immediate attention needs, it may go on for more than a day)

-how does one determine the type of hybridization used in covalent bonding (sp- sp^2...etc)

-how would one predict electron configuration of an atom? (ex.Rb- [Ar]4s^2, 3d^10, 4p^6)

-how to find/estimate (the change in)H(degrees)(subscript-f)

-one i have just now come upon...how to use greek symbols, and subcripts/superscripts/degrees symbols...etc on these forums or the computer in general

-how to predict the bond angles of ions/molecules

-how to predict polarity

also how to predict the physical structure of a molecule/ion (ex. i keep seeing t-shaped... planar square...trigonal planar etc.)
 
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  • #2
or perhaps this should be moved to college level bacause it is an ap class?... if anyone thinks i should start a second thread let me know, though these seem fairly basic questions, and i have a basic understandinng of a few
 
  • #3
You need to read a text, no one's going to be able to explain all of this online.
 
  • #4
well anyone answer would be helpfull, and i have read the text, and have found many answers, just not these... what else is a homework help type forum for other than answering questions


(in particular predictingn electron configuration/ and mabye polarity if you need to single a couple out)
 
  • #5
keep in mind this is a few months worth of questions
 
  • #6
If you have a specific question I'm sure you'll get more replies
 

FAQ: A jumble of questions realtive to chemistry

What is the scientific method and why is it important in chemistry?

The scientific method is a systematic approach used to investigate and understand natural phenomena. It involves making observations, formulating hypotheses, conducting experiments, and analyzing data to draw conclusions. In chemistry, this method allows scientists to test and validate theories and make accurate predictions about the behavior of chemicals and reactions.

What is the difference between an element and a compound?

An element is a pure substance made up of only one type of atom, while a compound is a substance composed of two or more different elements chemically bonded together. Elements cannot be broken down into simpler substances, while compounds can be broken down into their individual elements through chemical reactions.

What are the three states of matter and how do they differ?

The three states of matter are solid, liquid, and gas. Solids have a fixed shape and volume, while liquids have a fixed volume but can change shape. Gases have neither a fixed shape nor volume and can expand to fill the space they are in. The main difference between these states is the strength of the intermolecular forces between particles.

How does temperature affect the rate of a chemical reaction?

Increasing the temperature generally increases the rate of a chemical reaction. This is because higher temperatures cause particles to move faster, collide more frequently, and with greater energy, leading to more successful reactions. Lower temperatures have the opposite effect, slowing down reaction rates.

What is the role of a catalyst in a chemical reaction?

A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process. It works by lowering the activation energy, making it easier for reactant particles to collide and react. Catalysts are important in many industrial processes as they can significantly speed up reactions and save time and resources.

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