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
Bas_tet [7]
3 years ago
8

I need help with number 3. is the answer 1,2,3,or4

Chemistry
1 answer:
lubasha [3.4K]3 years ago
8 0

Answer:

1 and 4

Explanation:

in both pictures the temperature is cooling down

You might be interested in
Consider an element Z that has two naturally occuring isotopes with the following percent abundances: the isotope with a mass nu
rodikova [14]

Answer:

Z=22.70

Explanation:

It is given that,

An element Z that has two naturally occurring isotopes with the following percent abundances as follows :

The isotope with a mass number 22 is 65.0% abundant; the isotope with a mass number 24 is 35.0% abundant.

The average atomic mass for element Z is given by :

Z=\dfrac{22\times 65+24\times 35}{100}\\\\Z=22.7

So, the average atomic mass for element Z is 22.70.

3 0
4 years ago
All phosphorus atoms have the same
svetoff [14.1K]
All phosphorus atoms have the same atomic number. Hope i helped
5 0
4 years ago
When the electron from the n=4 excited state drops to the ground state, does it absorb energy or emit energy?
zubka84 [21]

Answer:

It emits energy since to move from a higher energy level to a lower energy level or ground state, it must lose energy.

3 0
2 years ago
Convert 3,400 into a scientific notation
kirza4 [7]

3.4 x10^3 best answer to the question

8 0
3 years ago
PLEASE HELP CHEMISTRY QUESTION (picture attached)
Anastasy [175]

Answer:

It is called a salt bridge

8 0
3 years ago
Other questions:
  • Which oneof the following would best be measured useing kilometers
    11·2 answers
  • A. How many moles of CO will react with 1.75 moles of Fe,O,?​
    12·1 answer
  • Why do some fuels when burnt produce more heat than others?
    12·1 answer
  • Carbon dioxide is produced when dilute hydrochloric acid reacts with
    13·1 answer
  • I need help please and thank you! Also if you found the answer can you explain how you did, like wat did u search for...if it’s
    13·1 answer
  • Plz answer!!! Due in 10 minutes!!! Will give BRAINLIEST and extra points to first correct answer!!!
    7·2 answers
  • B. Directions: Identify the factors affecting the different seasons in the Philippines.
    8·1 answer
  • Explain two ways that bills penguin toy is similar to the water cycle
    8·1 answer
  • Which material has carbon atoms interspersed with iron atoms in its molecular structure?
    12·1 answer
  • What noble gas configuration does oxygen achieve when bonded?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!