mariahbrown123 mariahbrown123

15-09-2016
Chemistry

contestada

Calculate the amount of heat required to heat a 1.5 kg gold bar from 21°C to 68°C

Relax

Respuesta :

16-09-2016

[tex]Q=mc\Delta T\\\\ m=1,5kg=1500g\\ c_{Au}=0,129\frac{J}{g^{o}C}\\ \Delta T=68-21=47^{o}C\\\\ Q=1500g*0,129\frac{J}{g^{o}C}*47^{o}C=9094,5J[/tex]

Answer Link

Otras preguntas

There are a total of 12 boys in a chess club. If the ratio of boys to girls in the chess club is 3 to 5, what is the total number of boys and girls in the chess

Help Please Now!!! Find the volume Of The Rectangle Prism

What is one major difference between federal and unitary governments? A. Constitutions are more important to a unitary government. B. There is more separation o

Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to find the probability of x successe

Below are the heights (in inches) of students in a third-grade class. Find the median height. 39, 37, 48, 49, 40, 42, 48, 53, 47, 42, 49, 51, 52, 45, 47, 48

Read the poem "The Mountain" by Emily Dickinson. The mountain sat upon the plain In his eternal chair, His observation omnifold, His inquest everywhere. The se

a rice cooker was sold for $60 after a discount of 60% waht was the usual price of the rice cooker

Select all the correct answers. Imagine that a strong foreign navy had blocked the ports near Rome. What would have likely been the biggest concern to the peopl

pls answer my maths questions fast reply me soon

what is historical development of computer