johnny231819 johnny231819

10-10-2021
Physics

contestada

If a 2 kg block of aluminium (SHC: 921 J/kg°C) is heated from 20°C to 40°C, how much energy was transferred to it?

Respuesta :

10-10-2021

H = mc∆T

where, H=heat energy

c = SHC

H = 2*921*(40-20)

H = 36840J

H = 36.84KJ

The energy transferred to it is 36.84KJ

Answer Link

Otras preguntas

Type 2 violence is the most common in healthcare settings accounting for almost 80% of incidents according to the Bureau of Labor Statistics. This Type of viole

700000 is times as much as 700

If the wind or current is pushing your boat away from the dock as you prepare to dock, which line should you secure first?

Problem page a wire is first bent into the shape of a rectangle with width 6cm and length 8cm . then the wire is unbent and reshaped into a square. what is the

biology please help.....thanks :3

Aluminum is: not recyclable seldom recycled expensive to recycle 100% recyclable

The signing of the Magna Carta in 1215 by King John of England __________. A. limited royal power over the nobility B. established the Church of England C. crea

In puritan new england, full membership in town governance was limited to all land-owning adults. "selectmen." adult males who were church members. all church m

Moe sells “bulk up” steroids over the internet. he is arrested and charged with the sale of a controlled substance. this is cyber crime, which is

A researcher wants to investigate the effect of patients' body position on blood pressure. the study would most likely be of which type?