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
zheka24 [161]
3 years ago
12

A chemical change occurs when select one:

Chemistry
1 answer:
Ne4ueva [31]3 years ago
7 0
I think it is d. Because the process is not reversible and it a chemical process
You might be interested in
If 100 g of a substance reacts with 70 g of another substance, what will be the mass of the products after the reaction?
RideAnS [48]

Answer:

x=170

The question is asking you to add them together to get your unknown number

7 0
3 years ago
Which is heavier? A pound of cotton candy or a pound of marbles
Ugo [173]
Answer: both are equal


They weighed the same because they both a pound
6 0
3 years ago
Read 2 more answers
Calculate and compare the number of ATP molecules generated between a 24 carbon fatty acid and 4 glucose molecules.
arsen [322]

Answer:

Idont no men sorry idont understand

Explanation:

Sorry

7 0
3 years ago
Light energy comes from
Travka [436]

Answer:

The sun

Explanation:

3 0
2 years ago
Read 2 more answers
The electron configuration of a neutral atom is 1s22s22p63s2. Write a complete set of quantum numbers for each of the electrons.
Pavlova-9 [17]

Answer:

The four quantum number for each electron will be:

1s^{2}

n=1;l=0;m=0;s=+\frac{1}{2}/-\frac{1}{2}

2s^{2}

n=2;l=0;m=0;s=+\frac{1}{2}/-\frac{1}{2}

2p^{6}

n=1;l=1;\\m=+1,0.-1 \\s=+\frac{1}{2}/-\frac{1}{2}

3s^{2}

n=3;l=0;m=0;s=+\frac{1}{2}/-\frac{1}{2}

Explanation:

As the element is neutral, the number of protons will be equal to number of electrons which will be the atomic number of the element.

Number of electrons =12

Atomic number = 12

Element : Magnesium

The principal shell is represented by "n"

i) For "s" subshell the value of l =0 (azimuthal quantum number) thus m (magnetic quantum number)= 0

The two electrons in s subshell will have either plus half or minus half spin quantum number

ii) for "p" subshell the value for l =1

thus m = 0 or +1 or -1

The two electrons in each orbital will have either plus half or minus half spin quantum number

8 0
3 years ago
Other questions:
  • A scientist observed that fiddler crabs are capable of plugging up the territorial burrows that they live in. These territorial
    15·2 answers
  • I need this ASAP! Thank you!
    10·2 answers
  • In your own words, explain a crucial piece of evidence that Johannes Kepler could have used to support one of his laws of planet
    6·1 answer
  • Which of the following properties is generally the least useful in identifying minerals?
    14·2 answers
  • which object would have more potential energy a bowling ball stored on a high shelf in a closet or a baseball on the same shelf?
    7·1 answer
  • Titration of 20.0 mL 0.120 M HCHO2 with 0.0800 M NaOH. Find the pH: (a) before NaOH addition; (b) after addition of 15.0 mL NaOH
    14·1 answer
  • Isobars have same number of?​
    12·2 answers
  • How many atoms are there in 90.2 g of selenium?
    13·1 answer
  • The atomic mass unit is presently based on assigning an exact integral mass (in amu) to an isotope of an hydrogen oxygen sodium
    5·2 answers
  • What can the shape of a molecule affect?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!