Tiyonna Tiyonna

23-03-2016
Chemistry

contestada

Two hundred grams of a substance requires 9.76 kj of heat to raise its temperature from 25degrees C to 45 degrees C

Respuesta :

28-03-2016

Given:

9.76 kj of heat

from 25degrees C to 45 degrees C

200 grams of substance

Required:

Cp in kJ/kg-K

Solution:

H = mCpT

(9.76 kJ) = (200g)(1kg/1000g)Cp(45 – 25)K

Cp = 2.44 kJ/kg-K

Answer Link

Otras preguntas

Nina was finding multiples of 6. She said, 18 and 42 are both multiples of 6, and when I add them, I also get a multiple of 6: 18+42=60. Explain to Nina why ad

Unscramble each of the 5 letters to spell two common math words: First word:L-G-O-N-E Second word:L-G-I-R-T

how do you write down key terms and concepts for Ela

Fill in the blank with the most appropriate answer: Mathe, Geschichte und ___ sind Fächer.

In what ways can an author introduce an individual? Select two answers. In what ways can an author introduce an individual? Select two answers. by stating the m

long and one piece of evidence. According to the text, how does the diversity of Hamilton's cast compare to other musicals? Why is this important? According to

The Southeastern Native Americans’ dwellings were permanent structures, while the Gulf Native Americans’ homes were portable. True or False?

real life example of binding contrast

A researcher compared the heights and shoe sizes for 50 men, selected at random. The equation shown describes a line of best hit for the data where is the shoe

Write an equivalent expression for 7+5k-2-3k+n. Which statements are true about the steps for writing the equivalent expression? Check all that apply. Combine t