What are the percent composition for SF2?
What is the percent composition of Ethyne? C2H2?
What is the percentage of Sulfur in SF2?
Boiling point of compounds decrease as hydrocarbon chain length gets longer.
Volatile fractions with low boiling point are difficult to ignite.
A hydrocarbon C4H10 has a boiling point of 0°C. Another hydrocarbon C6H14 has a boiling point of 69°C. What would you expect the boiling point of C8H18 to be?
Be sure the saw blade is_____________, has proper clearance, and is free from vibration the same brand as the saw
Always be sure your work is held firmly against the____________________ .
If the material is bowed, twisted, or warped____________________________, .
Which of the following empirical formulas is correct? Check all that apply.
Which of the following empirical formulas is correct?
Which of the following properties are representative of ionic compounds? Check all that apply.
Determine the names of the following compounds.
Questions: 10 | Attempts: 162
Sample QuestionWhich of the following empirical formulas is correct? Check all that apply.
Try these practice questions!
Questions: 10 | Attempts: 110
Sample QuestionWhat is the correct subscript for the following formula Iron (II) Carbonate = FeCO_
Chlorofluorocarbons often called CFCs, are chemical compounds often used as refrigerants. This is because they are non-inflammable and non-toxic. The uses of CFC gained much popularity in the 1950s when the cost of purchasing...
Questions: 10 | Attempts: 101
Sample QuestionCFCs are often produced as derivatives of the following except
Synthetic rubber and oil are artificial petroleum bye products. Synthetic oil is viscous and elastic. Synthetic oil is a lubricant and a mixture of substances.
Questions: 10 | Attempts: 100
Sample QuestionSynthetic rubber is used for making these objects except
The medical field is a vital component required for life to thrive whether human or animal life. It’s a complex study but very important. Use this quiz to test out how much you know about MIBC week 4 mod 3.
Questions: 162 | Attempts: 95
Sample QuestionPatient-staff encounters in a medical facility leave lasting impressions. these "encounters" begin when
Questions: 25 | Attempts: 77
Sample QuestionInstruction decoder of a CPU
In chemistry, a compound refers to an entity that consists of two or more atoms, with at least two of those atoms from different chemical elements. These atoms associate via chemical bonds. What else can you tell us about...
Questions: 32 | Attempts: 75
Sample QuestionThe elements that make up a compound and the number of atoms of each element in a unit of a compound can be shown in a ______.
Tutorials and exercises on chemical formulas and Lewis diagrams
Questions: 15 | Attempts: 70
Sample QuestionTrue or False: Ionic compounds require the use of prefixes to indicate the number of each kind of atom. Covalent compounds do not require prefixes.
Directions: In this section you will read several passages. Each one is followed by a number of questions about it. You are to choose the one best answer, A, B, C or D, to each question. Then, on your answer sheet, find the...
Questions: 25 | Attempts: 62
Sample QuestionThe word “widely” could most easily be replaced by...
Chemical solutions are homogenous mixtures composed of two or more substances. This usually involves a solute being dissolved into another. Think you know all there is to know about chemical solutions? Try your hand at this...
Questions: 31 | Attempts: 58
Sample QuestionIn a solution, the substance that is being dissolved is the _____.
This quiz is for 9th grade students
Questions: 10 | Attempts: 50
Sample QuestionProperties of matter that can be observed without changing a substance into a different one.
We have just finished covering unit 8 in class today. The simple quiz below is set to help you review what you understood about chemical compounds, their formation, appearance and reaction. Give it a go and share your scores...
Questions: 25 | Attempts: 48
Sample QuestionA _____ is a large moelcule made of carbon and hydrogen atoms.
Questions: 10 | Attempts: 35
Benzene is an organic chemical compound, it's formula is Câ‚†Hâ‚†. Let's play this quiz and learn how to use it!
Questions: 10 | Attempts: 22
This review covers all of the information from the first half of the year.
Questions: 140 | Attempts: 20
Sample QuestionThe two main branches of Science are Natural and Social Science
Chapter five section 2 quiz. Great for all those eager learners who are cramming for otmorrows test.. Hai?
Questions: 13 | Attempts: 16
Ionic Compounds with Polyatomic Ions
Questions: 5 | Attempts: 15
Can you answer all these simple questions about neurotransmitter? Let's play and prove yourself now!
Questions: 8 | Attempts: 10
Sample QuestionGlutamate & aspartate plays a key role in
Questions: 10 | Attempts: 9
Testing myself for unit 1 exam
Questions: 4 | Attempts: 7
Sample QuestionName a compound had little presence at the beginning of time.