Questions from General Chemistry

Q: Rank the following species from lowest to highest boiling point:

Rank the following species from lowest to highest boiling point: N2(l), Ne(l), BeO(l), CO(l)

Q: In an open flask, 20.0 mL of an aqueous

In an open flask, 20.0 mL of an aqueous solution (density of solution = 1.103 g/mL) is combined with 13.5 g of a solid, and a chemical reaction takes place. One of the reaction products is 1.473 L of...

Q: Which of the following solutions contains the greatest number of ions?

Which of the following solutions contains the greatest number of ions? a. 100.0 mL of 1.0 M sodium nitrate b. 100.0 mL of 1.0 M iron(III) nitrate c. 100.0 mL of 1.0 M copper(II) nitrate d. 100.0 m...

Q: In general terms, what does the tertiary structure of a protein

In general terms, what does the tertiary structure of a protein describe? Clearly distinguish between the secondary and tertiary structures.

Q: a. Fill in the following table as if it is a

a. Fill in the following table as if it is a well plate and you are mixing two aqueous compounds at a time to see if a precipitate forms. If a precipitate is expected to form, indicate that by writing...

Q: What kind of visual evidence indicates that a chemical reaction has occurred

What kind of visual evidence indicates that a chemical reaction has occurred? Give an example of each type of evidence you have mentioned. Do all reactions produce visual evidence that they have taken...

Q: What, in general terms, does a chemical equation indicate?

What, in general terms, does a chemical equation indicate? What are the substances indicated to the left of the arrow called in a chemical equation? To the right of the arrow?

Q: What does it mean to “balance” an equation? Why

What does it mean to “balance” an equation? Why is it so important that equations be balanced? What does it mean to say that atoms must be conserved in a balanced chemical equation? How are the physic...

Q: When balancing a chemical equation, why is it not permissible to

When balancing a chemical equation, why is it not permissible to adjust the subscripts in the formulas of the reactants and products? What would changing the subscripts within a formula do? What do th...

Q: What is meant by the driving force for a reaction? Give

What is meant by the driving force for a reaction? Give some examples of driving forces that make reactants tend to form products. Write a balanced chemical equation illustrating each type of driving...