This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: 50 g of lead (c = 0.11 kcal/kg C) at 100C is put into 75 g of water at 0C. What is the final ... (Read 72 times)

misspop

  • Hero Member
  • *****
  • Posts: 540
on: Jul 27, 2018
50 g of lead (c = 0.11 kcal/kg  C) at 100C is put into 75 g of water at 0C. What is the final temperature of the mixture?
 
  A) 2C
  B) 6.8C
  C) 13C
  D) 25C
  E) 50C

Question 2

In an electroplating process, it is desired to deposit 40.0 mg of silver on a metal part by using a current of 2.00 A.
 
  How long must the current be allowed to run to deposit this much silver? (The silver ions are singly charged, and the atomic weight of silver is 108.)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fromAlphatoOmega22

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

17.9 s


misspop

  • Hero Member
  • *****
  • Posts: 540
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


fromAlphatoOmega22

  • Sr. Member
  • ****
  • Posts: 345
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Microscopic photo taken by Opportunity showing a gray hematite concretion, indicative of the past pr Microscopic photo taken by Opportunity showing a gray hematite concretion, indicative of the past pr
Layers of Rock Laid Down by Water Layers of Rock Laid Down by Water
Surface Water Resources Surface Water Resources
Use tap water when making coffee, tea, or juice from concentrate, and for food preparation Use tap water when making coffee, tea, or juice from concentrate, and for food preparation
Vitamin Water Vitamin Water
The Distribution of Water on Earth The Distribution of Water on Earth
Video: What is Reverse Osmosis?

For a complete list of videos, visit our video library