pandagirl5030 pandagirl5030

01-01-2020
Chemistry

contestada

How many grams of water will absorb a total of 2400 joules of energy when the temperature changes from 10.0°C to 30.0°C?

Respuesta :

anfabba15 anfabba15

02-01-2020

Answer:

28.7 grams of water

Explanation:

Calorimetry problem:

Q = C . m . ΔT

2400 J = 4.18 J/g°C . m . (30°C - 10°C)

2400 J = 4.18 J/g°C . m . 20°C

2400J = 83.6 J/g . m

2400J / 83.6 g/J = m

28.7 g = m

Answer Link

Otras preguntas

What is the best explanation of a democratic government? A. The power rests with the people B. The people vote for government officials C. The people have a say

What is the molarity of a solution that contains 2.93 g of NaCl dissolved in 0.025 L? 0.0012 M 0.050 M 1.3 M 2.0 M

BEATRIZ: Qué vas a ___ (to bring)? ANA: Voy a traer unos _____ (soft drink)NO LINKS! IM TIRED OF THOSE AND THEY DONT WORK I'll mark as the brainliest if u answe

PLEASE TELL ME A ANSWER!!!

please answer these 3 questions with the picture provided

why does the government of nepal encourage farmers to establish boigas plants?write two reasons

Which statement describes whether the function is continuous at x = –2? The function is continuous at x = –2 because f(–2) exists. The function is continuous at

A student did an experiment to determine the specific heat capacity of a metal alloy. The student put a sample of the alloy in boiling water for several minutes

In which social institution did Muhammed show value and appoint religious leadership? Education Medicine Military Athletics

Need help with this problem!!