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
cluponka [151]
2 years ago
15

The heat exchange in chemical reactions is due to change in

Chemistry
2 answers:
oksian1 [2.3K]2 years ago
8 0
The heat exchange in chemical reactions is due to change in enthalpy.
kirza4 [7]2 years ago
5 0
The enthalpy is the heat added to or lost in a system. 
You might be interested in
in your notebook,write the appropriate tempo for the following actions.Then demostrate the actions then,demostrate the action in
pogonyaev

Answer:

cell :—

•They lack a well-defined nucleus, have a nucleoid instead.

•Usually have double-stranded, circular DNA.

•Do not have mitochondria.

Eukaryotic cell :—

•Have a well-defined nucleus enclosed in the nuclear membrane.

•Have a linear double-stranded nucleus.

•Mitochondria are present.

6 0
2 years ago
Which element forms a chloride of the type XCl2
Nat2105 [25]

Explanation:

Element X forms a chloride with the formula XCl 2 , which is a solid with a high melting point. X would most likely be in the same group of the Periodic Table as. (a) Na (b) Mg (c) Al (d) Si. the answer is Mg .

8 0
2 years ago
A student designs an experiment where he takes a small wood car with 1.0 inch diameter wheels and rolls it down a ramp. The stud
aleksley [76]
The metal car airodinamics with body style and weight increased speed
8 0
3 years ago
Read 2 more answers
In ADEF, the measure of F=90°, the measure of ZD=10, and EF = 94 feet. Find the
Flauer [41]

Answer:

answer. the measure. is f=90 the equbaliint is 180

Explanation:

yan ang sagot ko

3 0
3 years ago
Define the term. Theory
Sonja [21]

Answer:

a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.

(from goo gle)

A explanation for something that doesn't seem to be answered completely, usually very implausible.

Explanation:

6 0
3 years ago
Other questions:
  • What may be expected when K > 1.0?
    7·2 answers
  • Why is the average atomic mass used when calculating grams of a substance?
    14·2 answers
  • The average atomic masses of some elements may vary, depending upon the sources of their ores. Naturally occurring boron consist
    7·2 answers
  • Which of the following has the greatest mass? 1 mole of uranium (U) 1 mole of oxygen (O) 1 mole of sodium (Na) 1 mole of chlorin
    5·2 answers
  • During a chemical change items are lost or gained to make new substance true or false​
    14·1 answer
  • The finches that Darwin studied in the Galapagos islands have evolved with different types of beaks: drilling, cracking, tearing
    5·2 answers
  • A) 5 days<br><br> b) 8 days<br><br> c) 9 days. i’m thinking maybe c <br><br> d) 11 days
    10·2 answers
  • Which of the following would result in a decrease in entropy?
    15·1 answer
  • This illustration shows a kind of animal that is a free living organism. what is the common name of this organism?
    14·1 answer
  • Suppose you are asked to find the area of a rectangle that is 2.1- cm wide by 5.6- cm long. Your calculator answer would be 11.7
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!