laquitad88 laquitad88

16-02-2017
Chemistry

contestada

Calculate the number of kilojoules to warm 125 grams of iron from 23.5 degrees Celcius to 78 degrees Celcius

Respuesta :

crazyvballchic crazyvballchic

16-02-2017

q=mcΔT

q=(125g)(0.446 J/(g x °C))(78°C - 23.5°C)

q=(125 g)(0.446 J/(g x °C))(54.5°C) (Be sure to cancel all similar units)

q= 3038.375 J

Answer Link

Otras preguntas

If you change the distance between two charged objects, A and B, which of these factors will be affected?

Science has shown that smoking causes cancer. Which is an example of how society responded to this information? O A. Cigarette smoking remains very common. O B.

If you lose pressure in yourvascular system.. what can theurinary system no longer do?

What is the measurement in degrees of the angle

Solve for g: 3/16=(-5/4)+g

What is the purpose of developing an overall research question

Paul's father bought a lawn mower for $220. A sales tax of 5% was charged. What was the amount of sales tax?

What intrinsic motivation does the author most likely intend the reader to infer from the passage?

a local University wanted 2300 students out of 4500 applications for admission where was the acceptance rate as a percentage

What is an equation of the line that passes through the points (6, 1)(6,1) and (7, 2)(7,2)? Put your answer in fully reduced form.