3 years ago

how many calories of energy are given off to lower the temperature of 100.0g of iron from 150.0°C to 35.0°C?

Chemistry

1 answer:

jeyben [28]3 years ago

4 0

Answer:

ΔT = Tfinal − Tinitial = 150°C − 35.0°C = 125°C

given the specific heat of iron as 0.108 cal/g·°C

heat=(100.0 g)(0.108 cal /g· °C )(125°C) =

100x 0.108x125= 1350 cal

You might be interested in

Which element would you expect to be more reactive: phosphorus (P) or fluorine (F)

Studentka2010 [4]

Answer:

Fluorine

Explanation:

Fluorine is the most electronegative element because it has 5 electrons in it's 2P shell.

4 0

2 years ago

Read 2 more answers

5. How many atoms of hydrogen are in a molecule of acetic acid (HC2H202)?

Kazeer [188]

Answer:

in acetic acid ,there are 4 hydrogen atoms

Explanation:

C H 3 C O O H

3 0

3 years ago

Write your own example of how the carbon cycle works.

bulgar [2K]

Answer:

Under the picture

Explanation:

7 0

2 years ago

Read 2 more answers

Calculate the mass of 1.00 mol of each of these substances

bogdanovich [222]

What are the substances?

7 0

3 years ago

Cu1+ and O2- what is the formula and what is the name of it

sammy [17]

Answer:

copper I oxide

Explanation:

Copper is known to form two oxides; copper I oxide and copper II oxide.

In the question we have the ions; Cu1+ and O2-. Ionic compounds are formed by a combination of ions as typified below;

Cu^+ + O^2- -------> Cu2O

This compound is copper I oxide

3 0

3 years ago