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
Nikolay [14]
3 years ago
7

The change in which ice absorbs energy and melts is a(n)

Chemistry
1 answer:
rusak2 [61]3 years ago
3 0
Endothermic change hope this helps.
You might be interested in
CaO +<br> HCI →<br> CaCl2 +<br> H20
andrew-mc [135]

Explanation:

To balance this chemical equation-

see

Balanced form:-

CaO + 2 HCl ==. CaCl2 + H2O

.

7 0
3 years ago
Which of the following is an example of a neutralization reaction?
Anastasy [175]

HCl (aq) + NaOH (aq)→H2O (l) + NaCl (aq)
Acid reacts with base to give H2O and salt
8 0
3 years ago
What physical and chemical properties should braces (used to straighten teeth possess in order to attain its desired goal to str
Nitella [24]

Answer: Braces are used by the people to correct the alignment and position of tooth or teeth in the jaw.

Explanation:

The teeth braces must have strong tensile strength and must create a constant pressure on the teeth so as to allow the straightening of the teeth.

The strong force of attraction between the molecules of the braces material that can be steel, nickel, molybdenum, copper, titanium. This makes the bracing material rigid on the teeth.

6 0
2 years ago
200 grams of an organic sample which contains only carbon, hydrogen, and oxygen is analyzed and found to contain 97.30 grams of
ipn [44]
The empirical formula for 200 grams of an organic sample which contains carbon,hydrogen, and oxygen is C3H6O

3 0
3 years ago
Read 2 more answers
Explain three factors that can affect the size of a line in a spectrum.
Sunny_sXe [5.5K]

Answer:For atoms and molecules, the width of spectral lines is governed mainly by the broadening of the energy levels of the atoms or molecules during interactions with surrounding particles and by the broadening of the spectral lines as a result of the Doppler effect.

Explanation:

7 0
3 years ago
Other questions:
  • A solution of naoh(aq) contains 8.1 g of naoh(s) per 100.0 ml of solution. calculate the ph and the poh of the solution at 25 °c
    11·1 answer
  • Which equation represents a double replacement reaction
    7·2 answers
  • Sometimes a particle of radiation penetrates a substance and continues on its way, and sometimes it doesn't. For the particles t
    6·1 answer
  • How many titanium atoms does it contain? titanium has a density of 4.50g/cm3, a pure titanium cube has an edge length of 2.82 in
    11·2 answers
  • Which of the following is true about chemical equilibrium systems?
    7·1 answer
  • PLEASE HELP ME ASAPPPPP<br> How many moles are in 10.25 grams of NH3?
    7·1 answer
  • Predict the moon phases
    6·1 answer
  • A mixture whoose parts are the same throughout
    10·2 answers
  • What is the atomic mass number ?
    11·1 answer
  • How many moles of potassium K will react with 3 moles of sulfur S?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!