Rhoda303 Rhoda303

08-06-2015
Chemistry

Answered

Heated bricks or blocks of iron were used long ago to warm beds. A 1.49 -kg block of iron heated to 155 Celsius would release how many joules of heat as it cooled to 22 Celsius ?

Answer :

kimeto3 kimeto3

08-06-2015

Specific heat capacity= Quantity of heat/massxΔT
Shc of iron (constant)= 0.4494J/³C for 1g
1.49kg=1490g
Q=1490x(22-155)x0.4494
Q=89057.598J

Answer Link

Other Questions

If the radius of a circle is 35 what is the diameter

The chief difference between poetry and prose is that all poetry is rhymed True False

What is the product of tex k3 9k2 3tex and tex7k2 5 tex

what is the meaning of subsystem

A skull from the genus Homo that dates from approximately 750000 years ago is discovered Where would the foramen magnum most likely be located at the back of th

best describes the economic situation in Bangladesh

Which river flows through Paris and empties into the English Channel A Loire B Rhine C Thames D Seine

The sequence of in a DNA molecule determines the protein that will be produced A lipids B nucleotides C proteins Eliminate D sugars

Describe Japanese society under the Yayoi around AD 300

what are three materials transported by global ocean circulation