This topic contains a solution. Click here to go to the answer

Author Question: Calculate the mass, in g, of 1.9 1024 atoms of Pb. A) 3.9 102 g B) 2.4 102 g C) 3.2 102 g ... (Read 94 times)

bcretired

  • Hero Member
  • *****
  • Posts: 525
Calculate the mass, in g, of 1.9  1024 atoms of Pb.
 
  A) 3.9  102 g
  B) 2.4  102 g
  C) 3.2  102 g
  D) 1.5  102 g
  E) 6.5  102 g

Question 2

A 0.334 g sample of an unknown halogen occupies 109 mL at 398 K and 1.41 atm. What is the identity of the halogen?
 
  A) Br2
  B) F2
  C) Cl2
  D) I2
  E) Ge



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Edwyer

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

E

Answer to Question 2

C




Edwyer

  • Sr. Member
  • ****
  • Posts: 337

 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

For a complete list of videos, visit our video library