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
IrinaK [193]
2 years ago
6

4. milk turning sour

Chemistry
2 answers:
sp2606 [1]2 years ago
7 0
I think it’s a physical
aalyn [17]2 years ago
5 0

Answer:

Chemical change

Explanation:

Hi again. The lactose in the milk is converted to lactic acid by microbes. It has turned into a new substance that is irreversable.

You might be interested in
Which of the following depicts a molecule of DNA? A, B, C, D?
Ghella [55]

Answer:

D. I've watched Jurassic park uwu

7 0
2 years ago
ENTER THE COEFFICIENTS DIRECTLY FROM THE BALANCED CHEMICAL EQUATION. do not reduce to lowest terms. for example: if 3 moles H2 r
dlinn [17]

Answer:

The coefficients are 2 for H₂O and 1 for Ca(OH)₂.

Explanation:

Let's consider the following reaction.

Ca(OH)₂(aq) + 2 HCl(aq) → CaCl₂(aq) + 2 H₂O(l)

According to the balanced equation, the molar ratio of H₂O to Ca(OH)₂ is 2:1. Using this conversion factor, we have the following proportion:

moles Ca(OH)₂. (2 mol H₂O ÷ 1 mol Ca(OH)₂) = moles H₂O

4 0
3 years ago
Why is it important for a measurement system to have an international standard ?
Ray Of Light [21]

Answer:

Mark me brainliest

Explanation:

Standards help avoid confusion and ambiguity when taking measurements. For example, a meter will always be the same length, no matter who is taking the measurement or where it is being taken.

4 0
3 years ago
What element is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f10
vivado [14]

Answer:

The element is Dysprosium.

4 0
2 years ago
Empirical formula for S3O9
Vsevolod [243]

Answer:

* The empirical formula of a compound shows the ratio of elements present in a compound

* The molecular formula of a compound shows how many atoms of each element are present in a molecule of a compound.

Example: the compound butene has a molecular formula of C4H8. The empirical formula

of butene is CH2 because there is a 1:2 ratio of carbon atoms to hydrogen atoms.

7 0
3 years ago
Other questions:
  • Lists how many valence electrons are shared, gained, or lost by each atom of the 6 compounds?      
    15·1 answer
  • What is a societal law
    9·2 answers
  • Help me pls <br> help me please<br> help me<br> help me please<br> help me pls
    8·1 answer
  • PLEASE HELP I WILL MARK YOU BRAINLIEST How many moles of FeCl2 do you need to react 5 moles of Cl2?
    12·1 answer
  • Look at the diagram of a fuel cell below.
    5·2 answers
  • An ion has 38 protons, 36 electrons, and 40 neutrons, what us the elements symbol
    8·2 answers
  • Biological membranes are selectively permeable, allowing certain molecules to cross the membrane, but not others. Classify the m
    12·1 answer
  • What is the coefficient of the H2O in the balanced chemical
    14·1 answer
  • An envelope could be a source of DNA evidence.<br><br> True<br><br> False
    9·2 answers
  • Several properties of water are shown. Classify each property as a physical property or a chemical property.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!