13-06-2017
Physics

contestada

A block of copper (c = 390 J/kg°C) is heated from 20.0 C to 60.0 C. How much heat (in J) is absorbed by the copper if its mass is 45.0 g?

Respuesta :

kotajordan kotajordan

20-06-2017

Q=cm x change in t
Q= (390 J/kg C) x (0.045 kg) x (40.0 C)
Q= 702 J

Answer Link

Otras preguntas

For a direct variation the constant of variation and the slope will always be

Trigonometric identitie

1.Mexican soldiers 2.French soldiers 3.Mexican-Americans 4.Ignacio Zaragoza 5.Benito Juarez 6.Many Americans A.)they celebrate the 5th of May in their homes or

The enlarged human features of ______ remind Gulliver of man's corruption.BrobdingnagiansYahoosHouyhnhnms

What is y = -1 + 4 written in standard form? WN

Evelyn has taken out a college loan. She needs to pay $500 every month for two years to repay the loan. What kind of loan does she have? OA B. a fixed-rate loan

Underline the stressed words :

There were 60 cookies in a box. The number of raisin cookies was 1/3 the number of plain cookies. Chantelle ate an equal number of raisin and plain cookies. Fin

Please Help! image below

Which point is the center of the circle? point w point X point y point z