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
monitta
3 years ago
13

Pls help!!!!!

Chemistry
2 answers:
umka2103 [35]3 years ago
7 0
The exact positions of the electrons in an atom cannot be determined because electrons are always .
erica [24]3 years ago
3 0

Answer:

moving i think! Hope this helps

Explanation:

You might be interested in
If 3.5 g H2 react with 18.7 g O2 what is the limiting reactant?
Pachacha [2.7K]
O2 is the limiting reactant 

3 0
4 years ago
Read 2 more answers
A 2.75 kg sample of a substance occupies a volume of 250.0 cm3. Find its density in g/cm3.
satela [25.4K]
Density is 0.011 g/cm3.
5 0
3 years ago
Read 2 more answers
An unknown compound displays singlets at δ 2.1 ppm and 2.56 ppm in the ratio of 3:2. what is the structure of the compound?
olasank [31]

1) As can be seen from any 1H NMR chemical shift ppm tables, hydrogens which have δ values from 2ppm to 2.3ppm are hydrogens from carbon which is bonded to a carbonyl group. From this, we can conclude that our hydrogens belong to the type, but from 2 different alkyl groups because of 2 different signals.

 

2) So, one alkyl group is CH3 and second one can be CH or CH2.

 

3) If we know that ratio between two types of hydrogens is 3:2, it can be concluded that second alkyl group is CH2. 


4) Finally, we don't have any other signals and it indicates that part of the compound which continues on CH2 is exactly the same as the first part.

The ratio remains the same, 3:2 ie 6:4

7 0
3 years ago
How many grams are in o.3972 pounds?? Please explain..​
dsp73

Answer:

180.166889

Explanation:

for every 0.10 pounds is 45.3592 so just multiply that with how many pounds you have and there is your answer please give me the brainliest answer?

:) Hoped this helped!!! Have a good day!!! <3

6 0
4 years ago
1. What does it mean to "tare" a balance?​
alisha [4.7K]

By taring a balance the process of weighing by difference is done automatically. When a balance is tared with an object on the balance pan, the weight of the object will be automatically subtracted from every reading until the balance is re-tared or zeroed.
4 0
3 years ago
Other questions:
  • As the pressure on the surface of a liquid decreases, the temperature at which the liquid will boil
    14·2 answers
  • Which property describes a material's ability to conduct heat?
    8·2 answers
  • Convert the composition of the following alloy from atom percent to weight percent (a) 44.9 at% of silver, (b) 46.3 at% of gold,
    8·1 answer
  • The heat transfer in the picture is most likely:
    8·1 answer
  • Objects that can bew seen only under magnification
    15·1 answer
  • Which element burn with a characteristics of green flame<br>please cleet all that apply​
    11·1 answer
  • I need help please.
    5·1 answer
  • Please help this is due today which ones are reactive and which arent?​
    15·1 answer
  • Birds cause a lot of damage to airplanes every year. To study this problem, the U.S. Air Force invented a chicken cannon. Air Fo
    8·1 answer
  • What is sewageband dirty amd water​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!