svgoalkeeper svgoalkeeper
  • 23-05-2020
  • Chemistry
contestada

How many joules of heat are given off when 10 g of water cool from 100 C to 25 C?

Respuesta :

drpelezo
drpelezo drpelezo
  • 23-05-2020

Answer:

3138 joules

Explanation:

Heat flow equation => q = m·c·ΔT

m = mass of substance = 10 grams

c = specific heat = 4.184 j/g·°C

ΔT = 100°C - 25°C = 75°C

q = m·c·ΔT = (10g)(4.184 j/g·°C)(75°C) = 3138 joules

Answer Link

Otras preguntas

Which sentence does not contain any errors in the use of italics or quotation marks? A. Alec's family saw the movie "Fantasia" last weekend. B. This essay, How
which events in the post World War 1. Helped Adolf Hitler rise to power
A positively charged atom or group of atoms can be called a(n) _____. A. anion B. anode C. cation D. cathode
Persuade a pet owner, who owns a 25kg dog, to restrain the pet while it is riding in the back of a pickup truck. INCLUDE 1st and 2nd LAWS OF MOTION)
I need an even function with an odd degree.
Which sentence is punctuated correctly? A. "It was a protest by colonists," explained Ken, "who dumped a lot of tea into the Boston Harbor in 1773."
what was the name of the trans-Atlantic trading network between Europe, Africa, and the Americas that included the exchange of manufactured goods, raw materials
What is the Sahel?????????
What is 2,208 rounded to the nearest hundred
Which additional word, if any, should be capitalized in the sentence? Pardon me, coach, but do you know what time the game starts? A. game B. coach C. There is