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
salantis [7]
2 years ago
8

How is enthalpy used to predict whether a reaction is endothermic or exothermic?

Chemistry
1 answer:
Sever21 [200]2 years ago
4 0
<span>The value of enthalpy of a reaction can be a useful tool in determining the type of reaction it is. If the enthalpy is negative the reaction is exothermic and if the enthalpy is positive the reaction is endothermic. Hope this answers the question. Have a nice day.</span>
You might be interested in
A gas has a pressure of 853.0 millibars at a temperature of 29.0 °C. If the volume is unchanged but the temperature is increased
Nitella [24]

The new pressure of the gas that initially have a pressure of 853.0 millibars at a temperature of 29.0 °C is 1011.17 millibars. Details about pressure can be found below.

<h3>How to calculate pressure?</h3>

The pressure of a given gas can be calculated using the following formula:

P1/T1 = P2/T2

Where;

  • P1 = initial pressure = 853.0 millibars
  • P2 = final pressure = ?
  • T1 = initial temperature = 29°C + 273 = 302K
  • T2 = final temperature = 85°C + 273 = 358K

853/302 = P2/358

358 × 853 = 302P2

305374 = 302P2

P2 = 305374 ÷ 302

P2 = 1011.17 millibars

Therefore, the new pressure of the gas that initially have a pressure of 853.0 millibars at a temperature of 29.0 °C is 1011.17 millibars.

Learn more about pressure at: brainly.com/question/15175692

#SPJ1

8 0
2 years ago
Science question:<br> Could you have seasons without<br> revolution? Why or why not?
marusya05 [52]

Answer:

No

Explanation:

The Earth would not have seasons if there is no revolution because the temperatures would not change.

4 0
2 years ago
What are two ways that substances can pass through a cell membrane out of the cell
Paha777 [63]

Answer:

Passive transport, and Active transport

Explanation:

Do u need an explanation?

If so you can tell me and I'll edit it

Hope this helped a little!

3 0
3 years ago
What would happen if we did not have blood banks today
Rus_ich [418]

We wouldn't have the majority of the people around that we do now, soldiers would have bleed out on the field, people needing blood transplants due o having cancer, people in car accidents, people with brain bleeds. The population would practically be cut in half.

4 0
3 years ago
Which of these does not describe the Wright brothers' first attempts at flight?
Vlad [161]

They mimicked the flight of birds.

3 0
2 years ago
Other questions:
  • The mole is defined as the amount of a substance containing the same number of particles as exactly 12 g of C-12. The amu is def
    11·1 answer
  • What is the freezing point of an aqueous solution that boils at 105.0 ∘C? Express your answer using two significant figures.
    14·1 answer
  • if atoms of lithium and sodium easily give up a single electron which other elements also have this property
    15·1 answer
  • Help me its due soon thanks
    9·2 answers
  • What is the correct measurement for solubility?
    8·1 answer
  • Calculate the volume in cm^3 of 325.0 dg of alcohol. Alcohol has a density of 0.785g/mL.
    12·1 answer
  • galvanic cell is powered by the following redox reaction: (g) (aq) (l)(aq) (s) (aq) Answer the following questions about this ce
    9·1 answer
  • Any two properties of ethane​
    15·2 answers
  • Can someone help me please? I’d appreciate it! Also please do not send me a link or delete your answer! Thanks
    10·1 answer
  • Trộn 100ml dung dịch HCL 0.1M với 100ml dung dịch H2SO4 0,05
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!