1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
FinnZ [79.3K]
3 years ago
15

What amount of heat is released when the temperature of 450.0 g of a

Chemistry
1 answer:
Molodets [167]3 years ago
5 0

Answer:

\boxed {\boxed {\sf 4038.48 \ Joules}}

Explanation:

Since we are given the mass, specific heat, and change in temperature, we should use this formula for heat:

q=mc\Delta T

The substance's mass is 450.0 grams, the specific heat is 1.264 J/g°C, and the  change in temperature is 7.1 °C.

m= 450.0 \ g \\c= 1.264 \ J/g \textdegree C\\\Delta T= 7.1 \ \textdegree C

Substitute the values into the formula.

q= (450.0 \ g)(1.264 \ J/g \textdegree C)(7.1 \ \textdegree C)

Multiply the first 2 values together. The grams will cancel out.

q= 568.8 \ J/ \textdegree C (7.1 \ \textdegree C)

Multiply again. This time, the degrees Celsius cancel out.

q= 4038.48 \ J

<u>4038.48 Joules</u> of heat energy are released.

You might be interested in
A book sits motionless on a table. Which statement is true? Group of answer choices There are no forces acting on the book. The
Katena32 [7]

Answer:

The forces acting on the book are balanced by each other.

6 0
2 years ago
How many molecules of nitrogen gas are in 22.4 L?
Serhud [2]
The answer is letter (B).
3 0
3 years ago
Read 2 more answers
PLEASE ANSWER THIS QUESTION FAST :(
kramer
Mol sulfuric acid = 19 g * (1 mol) / (98.1 g) = 0.19367 mol
mol H2O = 0.19367 mol H2SO4 * (2 H2O) / (1 H2SO4)
                = 0.387359 mol H2O
grams H2O = 0.387359 mol H2O * (18 g)/(1 mol)
                     = 6.97 g
The answer is 7.0 grams of water
6 0
3 years ago
Electron transport is the process by which ________. Multiple Choice fatty acids break apart to form acetyl-CoA NADH + H+ and FA
Serggg [28]

Answer:

Electron transport is the process by NADH + H+ and FADH2 are converted to NAD+ and FAD, donating electrons and hydrogen ions to oxygen

Explanation:

3 0
3 years ago
The temperature of a sample of water increases from 20c to 46.6c as it absorbs 5650 Joules of heat. What is the mass of the samp
WINSTONCH [101]

Answer: 51 g

Explanation:

5 0
2 years ago
Other questions:
  • Calcium oxide reacts with water to produce calcium hydroxide and heat as shown by the equation. CaO(s) + H2O(l) → Ca(OH)2(aq) +
    7·1 answer
  • 150.0 grams of an isotope with a half-life of 36.0 hours is present at time zero. How long will it take
    12·1 answer
  • A 24.0 gram object has a volume of 6.0 mL. What is the density of the object?
    15·2 answers
  • 14 billion years (roughly the age of the universe) to seconds. (Assume there are 365 days in a year.)
    12·1 answer
  • What is the percentage of nitrogen in the fertilizer urea ((nh2) 2co)
    13·1 answer
  • An example of an organic sedimentary rock used as fuel would be?
    7·1 answer
  • According to the quantum-mechanical model for the hydrogen atom, which electron transitions produces light with the longer wavel
    7·1 answer
  • 1
    10·1 answer
  • If the Sun suddenly lost all of its gravity, which statement would best describe how the planets would move?
    9·1 answer
  • Explain chromatography​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!