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
dalvyx [7]
3 years ago
10

During ______ the composition of a substance does not change

Chemistry
1 answer:
nignag [31]3 years ago
6 0
During the Physical changes
You might be interested in
All scientists try to base their conclusions on?
Rama09 [41]
All scientists try to base their conclusions on data and measurements.
5 0
3 years ago
Read 2 more answers
When 33 g of CaO and 10 g of H2O react, how many grams of calcium hydroxide would you expect to be produced* Explain your answer
MrMuchimi

Answer:

41.44 g

Explanation:

First of all, we must put down the equation of the reaction;

CaO + H2O ----->Ca(OH)2

Number of moles of CaO = 33g/56 g/mol = 0.59 moles

Number of moles of H20 = 10g/18 g/mol = 0.56 moles

Since the reaction is in 1:1 mole ration, H2O is the limiting reactant

Hence;

mass of Ca(OH)2 produced = 0.56 moles * 74 g/mol = 41.44 g

7 0
3 years ago
Read 2 more answers
Why do you think different liquids have different freezing points
Ganezh [65]
I think that different liquids have different freezing points because every liquid consists of different atoms and different things that make up the atom causing them to have different freezing points.
5 0
3 years ago
What is the oxidizing agent in galvanic cell?
ipn [44]
The ion in the cathode that gains electrons
7 0
3 years ago
What are the main ways that carbon dioxide enter the atmosphere?
BaLLatris [955]
Photosynethesis, respiration, and combustion.
 
7 0
2 years ago
Other questions:
  • Interpret the equations in terms of particles moles and mass
    5·1 answer
  • A certain weak acid, ha, has a ka value of 6.0×10−7. calculate the percent ionization of ha in a 0.10 m solution.
    11·1 answer
  • Which molecule is an alkene?
    9·1 answer
  • Why is the moon called a pink moon if that is not really its color?
    8·1 answer
  • Which property of water helps it move upward by capillary action
    5·1 answer
  • How does the specific heat of water affect climate?
    7·1 answer
  • Balance the following chemical equation _Na + _Br2 —> _ NaBr
    5·1 answer
  • In an accident, a solution containing 2.5 kg of nitric acid was spilled. Two kilograms of Na2CO3 was quickly spread on the area
    14·1 answer
  • Student added a strip of aluminium metal in aqueous copper(2)Sulfate but no reaction occured. Suggest a reason why.
    5·1 answer
  • True or false? In giant covalent structures the atoms form strong bonds by sharing electrons.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!