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

Lars wants to know if warming up will help runners sprint faster. Twenty-four track and field athletes volunteered to participate in his study. He randomly assi

If 18 dogs are housed in 4 kennels comfortably, how many dogs can be housed in 10 kennels?

2x+23+67=22+73-11 Solve for x

Is a 5 feet 9 inches tall person that weighs 170 pounds at risk for diseases such as diabetes or high blood pressure

Joselyn saves $20 a week for in weeks she saves up to $240. Right and solve an equation to express how many weeks it took her to save

Which of these was an effect of the industrial revolution on United States women in the early nineteenth century?

What is the setting for Casablanca? How does the film establish this setting? If you were creating a theatrical production of the play upon which the film is ba

find the volume of prism 4.2 cm 12.1 cm 5.3 cm

What is the area of triangle GHJ?

I completly lost please hel me