Chem 234 Study guides, Class notes & Summaries

element- A pure substance made of only one kind of atom - Predictable, usually - Matter made up of one type of atom - It is better to have either full or empty shells in order to have stability. A half-filled shell is unstable compoundA pure substance made up of atoms of two or more different elements joined by chemically extensive propertydepends on the amount of matter that is present, (sample size matters) intensive propertyproperties that do NOT depend on the amount of matter pre...

HESI A2 V2 (RE-TAKE) Grammar 1. My father and I looked at her/hers.A 2. I am looking forward to my birthday party next week. a. Going b. Go c. Have d. Having 3. Coffee experts feel that the coffee blend is a dark blend. a. More greater b. Great c. Best d. More greatest 4. The nurse made a error with the medication, so the doctor made notes about it in the patients file. a. About it b. A c. With d. Made 5. Finishing isn’t as important as answering correctly. a. Quick b. As ...

HESI A2 V2 (RE-TAKE) Grammar 1. My father and I looked at her/hers.A 2. I am looking forward to my birthday party next week. a. Going b. Go c. Have d. Having 3. Coffee experts feel that the coffee blend is a dark blend. a. More greater b. Great c. Best d. More greatest 4. The nurse made a error with the medication, so the doctor made notes about it in the patients file. a. About it b. A c. With d. Made 5. Finishing isn’t as important as answering correctly. a. Quick b. As ...

What is the proper thing to do shall your clothing catch on fire in the lab?Use the safety shower What is the appropriate way to put out a fire caused by an organic solvent? Why is water not a good choice?Use the fire extinguisher "ABC", water is not a good choice because some flammable materials react violently with water and could make it worse. What should you do when chemicals get in your eye?Remove your contacts/wash your eyes out at eyewash station for 15 mins What should you ...

1. What does OSHA stand for? Occupational Safety and Health Administration 2. was created by the US department of labor to regulate and enforce safety and health standards to protect employees in the work place... 3. This regulates employee exposure to potentially toxic substances and inform employees about the possible hazards of materials used in the work place? 4. This requires that chemical manufacturers and im- porters assess and communicate the potential haz- ards associated with their ...

Allows us to determine the molecule mass and the molecular formula of a compound, as well as some of it's structural featuresMass Spectrometry Tells us the kinds of functional groups a compound hasInfrared (IR) Spectroscopy Provides information about the carbon-hydrogen framework of an organic compoundNuclear magnetic resonance (NMR) spectroscopy A very small sample is placed in a mass spectrometer, where it is vaporized and then ionized (electron removed from each molecule). Electron ...

Chem 234 Exam 1 Questions With 100% Correct Answers Allows us to determine the molecule mass and the molecular formula of a compound, as well as some of it's structural features - answerMass Spectrometry Tells us the kinds of functional groups a compound has - answerInfrared (IR) Spectroscopy Provides information about the carbon-hydrogen framework of an organic compound - answerNuclear magnetic resonance (NMR) spectroscopy A very small sample is placed in a mass spectrometer, where it i...

Chem 234 Exam 1.

Chem 234 Exam 1.