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
e-lub [12.9K]
2 years ago
14

Does this graph represent an endothermic or exothermic chemical reaction? Explain your reasoning. ​

Chemistry
1 answer:
Natali [406]2 years ago
5 0

Answer:

it is an exothermic reaction

Explanation:

exothermic reactions have a negative ∆H

i.e, product of the reaction is less that the reactants of the reaction

(Note : ∆H= products - reactants), that's why it's exothermic

You might be interested in
Absolute zero is
Dmitrij [34]

Answer:

The coldest temperature possible

Explanation:

        Absolute zero =      0 K

A. is wrong.      0 °C = 273 K

B. is wrong. -210 °C =   63 K

C. is wrong.    32 °F = 273 K

E. is wrong.  -196°C =    77 K

5 0
3 years ago
How do lawmakers make good environmental decisions??
Sliva [168]
<h2>Answer : By weighing the costs and benefits of an environmental issue </h2><h3> Explanation :</h3>

The law makers usually conduct many studies before a law is imposed. They try to explore many other options available to the current environmental issue and then come to a conclusion to make a law.

They also weigh the cost aspect along with the benefit of the ongoing environmental issue. They try to come up with something which appears to be cost effective and result bearing.

4 0
3 years ago
HELP WILL GIVE BRANLIEST
Elodia [21]

Answer:

Boron (B) Atomic Mass: 10.811

Explanation:

The number of protons and electrons are the same, always. You can find the atomic mass by looking at the periodic table for that atom: 10.811

6 0
3 years ago
When sodium is put in water, the metal floats on the surface and reacts to form sodium
mrs_skeptik [129]

Answer: Sodium also floats on the surface, but enough heat is given off to melt the sodium (sodium has a lower melting point than lithium and the reaction produces heat faster) and it melts almost at once to form a small silvery ball that dashes around the surface.

Explanation:

8 0
3 years ago
Read 2 more answers
Which of there is an indication that a chemical reaction has occurred?
Komok [63]
Answer is (b) , because a chemical change happened
6 0
3 years ago
Other questions:
  • Amount of moles in 3.34x10^34 formula units of Cu(OH)2
    6·1 answer
  • HELP PLEASE!!!! 15 POINTS!!! HELP!!
    13·2 answers
  • Why are some elements more reactive than others?
    12·2 answers
  • How many moles are in 22 grams of argon?
    10·1 answer
  • In which biome would you find the main types of plant life to be grasses and nonwoody plants
    13·1 answer
  • Why do scientists consider any hypothesis valuable?
    12·1 answer
  • Is 4Si2H3 + 11O2=8SiO2+6H2O balanced
    5·1 answer
  • What would happen if all the cordgrass was removed from the coast of South Carolina? pls help quickly
    9·1 answer
  • What is the approximate partial pressure of oxygen at 1500 m?
    15·1 answer
  • Select oxidation numbers for the metals in each of the following coordination compounds. (a)K[Au(OH)4] (b)Na4[Fe(Cl)6]
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!