Author Question: Heat of sublimation can be approximated by adding together ________ and ________. A) heat of ... (Read 49 times)

Engineer

  • Hero Member
  • *****
  • Posts: 527
Heat of sublimation can be approximated by adding together ________ and ________.
 
  A) heat of fusion, heat of condensation
  B) heat of fusion, heat of vaporization
  C) heat of freezing (solidification), heat of condensation
  D) heat of freezing (solidification), heat of vaporization
  E) heat of deposition, heat of vaporization

Question 2

Silver nitrate and aluminum chloride react with each other by exchanging anions: 3AgNO3 (aq) + AlCl3 (aq)  Al(NO3)3 (aq) + 3AgCl (s) What mass in grams of AgCl is produced when 4.22 g of AgNO3 react with 7.73 g of AlCl3?
 
  A) 17.6
  B) 4.22
  C) 24.9
  D) 3.56
  E) 11.9

Question 3

Potassium forms an ion with a charge of ________.
 
  A) 2+
  B) 1-
  C) 1+
  D) 2-
  E) 0

Question 4

The value of E for a system that performs 151 kJ of work on its surroundings and loses 79 kJ of heat is ________ kJ.
 
  A) +230.
  B) -230.
  C) +72
  D) -72
  E) -151

Question 5

A tin atom has 50 electrons. Electrons in the ________ subshell experience the lowest effective nuclear charge.
 
  A) 1s
  B) 3p
  C) 3d
  D) 5s
  E) 5p


apple

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

B

Answer to Question 2

D

Answer to Question 3

C

Answer to Question 4

B

Answer to Question 5

E



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

For a complete list of videos, visit our video library