CecijoaoA4to CecijoaoA4to

12-09-2016
Chemistry

contestada

5.the temperature of a sample of water increases from 20°c to 46.6°c as it absorbs 5650 calories of heat. what is the mass of the sample? (specific heat of water is 1.0 cal/g °c)

Respuesta :

18-09-2016

[tex]Q=cm \Delta T \ \ \ \Rightarrow \ \ \ m=\frac{Q}{c \Delta T}\\\\ Q=5650cal\\ c=1\frac{cal}{g^{o}C}\\ \Delta T=46,6^{o}C-20^{o}C=26,6^{o}C\\\\ m=\frac{5650cal}{1\frac{cal}{g^{o}C}*26,6^{o}C}\approx 212,41g[/tex]

Answer Link

Otras preguntas

Secure the vehicle:The law requires you to _______ and _______ when you leave a vehicle. You should also _______ whenever you park it.

Aubey Aircraft recently announced that its net income increased sharply from the previous year, yet its net cash flow from operations declined. Which of the fol

On what basis did Herschel think he had found a comet?

According to what you know from your text and notes on infant perceptual abilities, which of the following would a newborn/infant most prefer to look at?

which of the following is an example of an epegenetic effect

Briefly describe the most significant changes in the recorded music business in the united states over the past 15years.

What are the two basic forms of structure that a playwright may choose from? a) Linear and circular b) Climatic and episodic c) Comedy and tragedy d) Traditiona

Is there a role for independent-thinking, decisive, and creative leaders in a team-based organization? Explain.

What is the primary method used by Pine Shoot Moth for communication? a) Visual cues b) Auditory signals c) Olfactory signals d) Tactile communication

Need this answered asap if u can thank you