melneedshelp melneedshelp

29-10-2016
Chemistry

contestada

what is the specific heat of a substance that has a mass of 35.0 g and requires 625.0 calories to raise its temperature by 25.0C

Respuesta :

ally113 ally113

29-10-2016

We know that
Q=m.s.t, where Q= Heat, s= Specific heat of the substance, t=temperature(Difference in temperatures)
=>s= Q/m.t
=>s=525/(25X15)
=>s=525/375
=>s=1.4 cal/g/0c
Specific heat of the substance is 1.4 cal/g/0c.

Answer Link

Otras preguntas

Which of the following is an extraneous solution of 4x+41 - X+5?O x= -8O x = -2O x= 2O x = 8

I need help with number 2 putting it into like a f(x) =

The table lists recommended amounts of food to order for 19 party guests. Sydney and Nathan are hosting a graduation party for 40 guests. They know there will

Find the sum of the first 10 terms of the geometric sequence: an= 27(.1)^n-1

Does Control solutions expire 90 days after opening. It is required to put the open date and expiration dating on the control solutions.

Determine all intervals on which the graph of f is decreasing. Y y Graph of A 6 4 2 1 -9 -8/-7 -6 -5 -4 -3 -2 1 2 3 8 9 -3 -4 -6 -8

Hello! Given f(x) = 5x^3 - 2x and g(x) = 3x^3, what is g(f(x))?

When both alleles are expressed in the phenotype of heterozygotes, the type of inheritance is:codominance.incomplete dominance.multiple alleles.X-linked.

Find the GCF of each pair of monomials 54hg and 18g

Do these pairs of values (x and y) represent two quantities that are proportional? A. No, because not all of the pairs are simplified ratios. B. No, because not