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

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 121 times)

misspop

  • Hero Member
  • *****
  • Posts: 540
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
Answer to Question 1

B

Answer to Question 2

17.9 s



misspop

  • Hero Member
  • *****
  • Posts: 540
Both answers were spot on, thank you once again




 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library