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
german
3 years ago
7

During a lab activity, students prepared two solutions separately at the same temperature. Later they mixed the solutions and th

e temperature dropped. Why?
Chemistry
1 answer:
tino4ka555 [31]3 years ago
7 0
This at be due to a chemical change. For example, when some chemical elements mix, the change causes heat. This is the same, but the opposite. Hope this helps!
You might be interested in
Which of the following has higher ionization energy - Be or Ca. Explain your choice in terms of attractive force between protons
Vlad [161]

Answer:

Ca has the greater Ionization Energy because the Trend is I/e decreases as you move down a group. Therefore, Ca has the greater I/e

Explanation:

3 0
3 years ago
What is meant by Critical temperatue?
yuradex [85]

Answer:

The critical temperature of a substance is the temperature at and above which vapour of the substance cannot be liquefied, no matter how much pressure is applied.

4 0
3 years ago
Color , texture , and odor are all _______ of matter .
frosja888 [35]
Property of matter, I think.
7 0
3 years ago
Read 2 more answers
Sulfur (S) = 32, and of oxygen (O) = 16.
olganol [36]

Answer:

It should be 115.5 amu but you didnt type that as an answer choice so...

Explanation:

Bruh all you had to do was add oxygen and sulfur and subtract from the total to get your answer :D.

5 0
3 years ago
What is the balanced equation of<br> KI + Pb(NO3)2 = KNO3 + PbI2
Shkiper50 [21]
2KI+Pb(NO3)2=2KNO3+PbI2
5 0
3 years ago
Read 2 more answers
Other questions:
  • Which element could provide one atom to make an ionic bond with fluorine? (Hydrogen will not make ionic bonds easily, so do not
    8·1 answer
  • Which of the following is an example of a compound?<br> H2O<br> Na<br> Cl<br> O
    8·1 answer
  • The gases listed are at standard temperature and pressure: · 1 mol of CO2 gas · 1 mol of N2 gas · 2 mol of O2 gas Which statemen
    9·2 answers
  • Classify each of the following chemical reaction (check all that apply) :
    5·1 answer
  • Is the following equation balanced? FeCl₃ + MgO → Fe₂O₃ + MgCl₂<br> A.<br> Yes<br> B.<br> No
    6·1 answer
  • How does an atom change if all of its electrons are removed?
    8·2 answers
  • Heat never travels from a cooler object to a warmer object.
    15·1 answer
  • Balance the following equations <br>1.Na+HCI=NaCI+H2<br>2.Mg+O2=MgO​
    13·1 answer
  • A sample of quartz, which has a specific heat capacity of , is dropped into an insulated container containing of water at and a
    12·1 answer
  • 40 cm3 of acid were mixed with 60 cm3 of alkali in an insulated container. What name is given to this type of reaction?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!