nicolaslopez430 nicolaslopez430

23-03-2020
Chemistry

contestada

How many joules of heat is lost when a 64 g piece of copper cools from 375 oC to 26 oC? The specific heat of copper is 0.38 J/goC.

Respuesta :

hollandgrzesiak hollandgrzesiak

23-03-2020

Answer: 8500 J lost or -8500 J

Explanation:

q=cmt

t=375-26

t=349

q=0.38(64)(349)

q=8487.68 J

Answer must have 2 sig figs, which means it rounds to 8500 J.

Answer Link

Otras preguntas

help out we all need help regardless of anything

Which direction is the Danube river from Rome

Consider an ant in a 1 by 5 grid that contains an ant and a piece of food. The piece of food is located in an unknown cell that is selected at random. The ant's

Bridget purchased 3 pairs of shoes online. The total bill of $126.81 included a $7.50 shipping charge and 6% tax on the total purchase. If the shoes that Bridge

Causes a mutation that is the basis for AZT, the antiviral drug used to treat HIV infections Group of answer choices UV light nitrous acid ionizing radiation be

Matter is recycled within and between ecosystems through closed loops called biogeochemical cycles. How is this unlike how energy is passed through ecosystems?

Organize the steps involved in the colorization of an old black-and-white photo. Use dodge, burn, and noise tools. Restore the old photo. Adjust the RGB (or CMY

Based on the following information from Schrute Company's balance sheet, calculate the current ratio. Current assets $ 141,000 Investments 60,800 Plant assets 4

Nearly half of all new drivers will either be charged with a traffic offence or be involved in a collision during their first 12 months of driving. radio_button

what are the types of social media