Questions from General Chemistry

Q: Consider the following unbalanced chemical equation in which element X is unknown

Consider the following unbalanced chemical equation in which element X is unknown: X(s) + F2(g) ( XF3(s) If 9.15 g of element X(s) is completely reacted with 4.00 L of fluorine gas at 250 °C and...

Q: A common prank on college campuses is to switch the salt and

A common prank on college campuses is to switch the salt and sugar on dining hall tables, which is usually easy because the substances look so much alike. Yet, despite the similarity in their appearan...

Q: The forces holding together a molecular solid are much (stronger/

The forces holding together a molecular solid are much (stronger/ weaker) than the forces between particles in an ionic solid.

Q: A mixture contains 5.00 g each of O2, N2

A mixture contains 5.00 g each of O2, N2, CO2, and Ne gas. Calculate the volume of this mixture at STP. Calculate the partial pressure of each gas in the mixture at STP.

Q: Dinitrogen monoxide, N2O, reacts with propane, C3H8, to

Dinitrogen monoxide, N2O, reacts with propane, C3H8, to form nitrogen, N2; carbon dioxide, CO2; and water, H2O. a. Write a balanced chemical equation for this reaction, treating all substances as gas...

Q: On the basis of the electronegativity values given in Fig. 12

On the basis of the electronegativity values given in Fig. 12.3, indicate which is the more polar bond in each of the following pairs. a. N-P or N-O b. N-C or N-O c. N-S or N-C d. N-F or N-S

Q: In general terms, what is a chemical bond?

In general terms, what is a chemical bond?

Q: Describe in detail the microscopic processes that take place when a solid

Describe in detail the microscopic processes that take place when a solid melts and when a liquid boils. What kind of forces must be overcome? Are any chemical bonds broken during these processes?

Q: Explain the overall trend in the following melting points in terms of

Explain the overall trend in the following melting points in terms of the forces among particles in the solids indicated. Hydrogen, H2………………….-259 °C Ethyl alcohol, C2H5OH………-114 °C Water, H2O………………...

Q: During the making of steel, iron(II) oxide is

During the making of steel, iron(II) oxide is reduced to metallic iron by treatment with carbon monoxide gas. FeO(s) + CO(g) / Fe(s) + CO2(g) Suppose 1.45 kg of Fe reacts. What volume of CO(g) is req...