Katelynkitkat7119 Katelynkitkat7119

09-04-2018
Physics

contestada

How much energy is needed to raise the temperature of a 55g sample of aluminum from 22.4 to 94.6?

Respuesta :

18-04-2018

The heat needed is given by Mcθ , where m is the mass in Kg, c is the heat capacity of aluminium, and θ is the change in temperature.
Specific heat capacity of aluminium is 0.9 j/g°c
thus; Heat = 55 × 0.9 × 72.2
= 3573.9 Joules or 3.574 kJ

Answer Link

Otras preguntas

Danica is giving a speech to a group of people who are familiar with her topic. Which two elements of writing would be best suited to use with this audience? A)

6.7kg in whole number

Based on the amino acid sequence data for the Cytochome-C protein, chimpanzees and humans share an identical coding sequence. What other species identified on t

Can someone help me on this question plz. Thank you

why did Georgia decide not to go to show up at the first continental congress

Which literary device does Swift employ in his tale of Gulliver's journey to the land of the Lilliputians? caricature sarcasm burlesque parody

Which of the following settings reflects an aspect of Gothic Literature? A.) New England B.) Boston, Massachusetts C.) A dark forest and overgrown swamp D.) A d

If 600 J of work is done in 3 s, what is the power? (Power: P = W/t) 0.005 W 200 W 603 W 1800 W

What notable publication of the Enlightenment was published by Denis Diderot?

What are the 3 major dissolved gases that are essential to ocean life?