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
14

I need help ASAP PLZ!!!! I’m having trouble with a question, “How does the particle theory of matter help you explain why cold w

ater is denser than hot water?” Help me please!!!!
Chemistry
1 answer:
Kamila [148]2 years ago
8 0
Cooling a substance causes molecules to slow down and get slightly closer together, occupying a smaller volume that results in an increase in density. ... Cold water is more dense and will sink in room-temperature water.
You might be interested in
Aluminium is a metal give reason​
trapecia [35]

Answer:

Aluminium is ordinarily classified as a metal. It is lustrous, malleable and ductile, and has high electrical and thermal conductivity. Like most metals, it has a close-packed crystalline structure and forms a cation in an aqueous solution.

7 0
2 years ago
How many moles are in 25kg of Fe2O3?
expeople1 [14]

Answer:

The answer is 159.6882.

Assuming you are converting between grams Fe2O3 and mole.

3 0
3 years ago
If 2.00 moles of H₂ and 1.55 moles of O₂ react how many moles of H₂O can be produced in the reaction below?
jekas [21]

Answer:

2 mol H₂O

Explanation:

With the reaction,

  • 2H₂(g) + O₂(g) → 2 H₂O(g)

1.55 moles of O₂ would react completely with ( 2*1.55 ) 3.1 moles of H₂. There are not as many moles of H₂, thus H₂ is the limiting reactant.

Now we <u>calculate the moles of H₂O produced</u>, <em>starting from the moles of limiting reactant</em>:

  • 2.00 mol H₂  * \frac{2molH_2O}{2mol H_2} = 2 mol H₂O
5 0
2 years ago
What are some examples of gases at room temperature
Lady_Fox [76]

Answer:

Nitrogen, Hydrogen, Oxygen, Chlorine, and Fluorine are all gases at room temperature.

Explanation:

6 0
2 years ago
Which of these prevents conduction from occuring?
valentinak56 [21]
C. Equal temperatures
7 0
2 years ago
Read 2 more answers
Other questions:
  • olivia bought new gym shoes to play volleyball because she kept slipping when she ran in her old shoes. how will the new soles h
    11·2 answers
  • Helpp
    13·2 answers
  • Help please !!!!!!!!!
    5·1 answer
  • Automotive air bags inflate when a sample of Sodium Azide NaN3 is very rapidly decomposed.
    10·1 answer
  • Justify Must new substances be formed when you observe a chemical property ? Explain
    15·1 answer
  • What is 1006 in scientific notation?
    8·1 answer
  • Flask is immersed in a large beaker of very hot water. At first, the level of the liquid in the tube falls, but after a short ti
    14·1 answer
  • Fill in the coefficients that will balance the following reaction:
    11·1 answer
  • The question is in the picture and if you don't know it please don't answer with a ridiculous response Thank you!​
    13·2 answers
  • Toluene (C7H8) burns in oxygen to produce cardon dioxide and water. (a) How many grams of oxygen are neccessary for the combusti
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!