mhaidar9108

This page lists questions and answers that were posted by visitors named mhaidar9108.

Questions

The following questions were asked by visitors named mhaidar9108.

3.) One method used in the eighteen century to generate hydrogen was to pass steam through red-hot steel tubes. The following reaction takes place: 3Fe(s)+4H20(g)--->Fe3O4(s)+4H2(g) 1. What volume of hydrogen at STP can be produced by the reaction of 6.28...
17 years ago
3.) One method used in the eighteen century to generate hydrogen was to pass steam through red-hot steel tubes. The following reaction takes place: 3Fe(s)+4H20(g)--->Fe3O4(s)+4H2(g) 2. What mass of iraon will react with 500.0 L of steam at 25 degrees C an...
17 years ago
How much heat must be added to 50.0g of aluminum metal at 25 degrees C to raise its temperature to 125 degrees C? I have about 20 of these left so if you can do this and work it out and show me how you did it it would be great so I can use it as a guide f...
17 years ago
3.) A 5.00 x 10^2 g block of metal absorbs 5016 joules of heat when its temperature changed from 20 degrees C to 30 degrees C. Calculate the specific heat of the metal. I used the formula and came with two answers 100.32 joules and 10.01 joules. Which is...
17 years ago
7. A 100g mass of tungsten at 100 degrees C is placed in 200 mL of water at 20 degrees C. The mixture reaches equilibrium at 21.6 degrees C. Calculate the specific heat of tungsten. Ok, I tried working it out but I got q= 100g x 4.186 j/g*degrees C * (21....
17 years ago
9.) 250.0g of copper at 100.0 degrees C are placed in a cup containing 325.0g of water at 20.0 degrees C. Assume no less to the surroundings. What is the final temperature of the copper and water? So far I have used q=mc times delta t but I cannot find C...
17 years ago
It's from "Letter from a Birmingham Jail [King, Jr.]" Human progress never rolls in on wheels of inevitability; it comes through the tireless efforts of men willing to be co workers with God, and without this hard work, time itself becomes an ally of the...
17 years ago
I have six questions which will be on a test two weeks from now, and I do not understand. Help me find out these theorems for the blanks. 1. If one pair of consecutive sides of a parallelogram are congruent, then the parallelogram is a_______? 2. If the d...
17 years ago

Answers

The following answers were posted by visitors named mhaidar9108.