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
Snezhnost [94]
3 years ago
11

Why enthalpy of combustion is always negative ?

Chemistry
1 answer:
Mekhanik [1.2K]3 years ago
3 0

Answer:

reason is Heat is involved, the reaction is exothermic and therefore heat is lost to the surrounding

You might be interested in
Which of the following is not true about bias help pls
Pavlova-9 [17]
The second one, vocab and definition doesn't add up
4 0
3 years ago
Determine which law is appropriate for solving the following problem. Carbon dioxide is in a steel tank at 20°C, 10 liters and 1
patriot [66]

<u>Answer:</u>

Law used: Combined Gas Law

<u>Explanation:</u>

We are given the following problem:

Carbon dioxide is in a steel tank at 20°C, 10 liters and 1 atm. What is the pressure on the gas when the tank is heated to 100°C?

To solve this, the most appropriate law that can be used it Combined Gas Law, which is the result of combining the Boyle's law, Charles' law, and Gay-Lussac's law together.

5 0
4 years ago
Read 2 more answers
Please answer 11 and 12, I'm not sure of my answers and I'm gonna be tested on this tomorrow. Thanks!
Novay_Z [31]
11. I would say physical because the color of the item is changed and the texture and density is changed aswell.
8 0
4 years ago
PLEASE HELP I'LL GIVE YOU BRAINLIEST!!
In-s [12.5K]

Answer:

C

Explanation:

5 0
3 years ago
How much Oxygen would be required to react with 101 g of Methane?
AlexFokin [52]

Answer:

404g

Explanation:

6 0
3 years ago
Other questions:
  • Sk☺️<br> otp pt2 gt p npp l l li p put pylop lolky g hn
    7·1 answer
  • Compare the vapor pressure curves of 1-butene and 1-heptene. Explain your reasoning.
    14·2 answers
  • Atmos of given elements will have the same mass true or false .
    15·2 answers
  • Human bone does not contain?
    5·1 answer
  • Consider the reaction below.
    6·1 answer
  • The complete combustion of C4H10, will require how many moles of oxygen, O2? ________.​
    7·1 answer
  • How many grams of water are produced if 3.2 moles of hydrogen reacts
    5·1 answer
  • Many homes that are not
    9·1 answer
  • If a compound contains a poly atomic ion then what type of compound is it A. Convalent Compound B. Ionic Compound
    11·1 answer
  • Why are gold and platinum sutible for making jewellery ? ​
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!