Sunday
April 20, 2014

Homework Help: Chemistry

Posted by Sara on Wednesday, July 10, 2013 at 3:44pm.

A couple questions here:

1. How do you expect nitriding to change the properties of iron?
a) Nitriding makes iron stronger.
b) Nitriding makes iron weaker.
c) Nitriding makes iron more electrically conductive.
d) Nitriding makes iron less electrically conductive.


2. Calculate the relative number of atoms of each element contained in each of the following alloys. (Assume the amounts per 100 g of the alloy.)

(a) Wood's metal, which is a low-melting-point alloy used to trigger automatic sprinkler systems and is 12.5% tin, 12.5% cadmium, and 24% lead by mass in bismuth
Bi :
Cd :
Pb :
Sn

(b) a stainless steel that is 13% chromium in iron
Fe :
Cr

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - If you start with 15mL of HCI, add a couple drops of methyl red and ...
To Derr - You have made a couple of uncalled for comments to a couple of ...
To Anonymous re American History - Your LONG list of questions without any ...
english - 1. You will be taller than her in a couple of years. (What is the ...
To joejoe ... - ... or brxce or christian or whoever, We have temporarily ...
APA Format - Hi i have a couple of dumb questions :) I know the good websites ...
Chemistry - What is the OH^- concentraton of a solution that is 0.10M in Na2C2O4...
Project Management - You’ve now assembled a small group of likely candidates for...
Chemistry - Can Someone describe the structure of ionic compounds for me please...
English - In my sentence I typed, "I did not have a clue what to expect," and ...

Search
Members