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
kkurt [141]
3 years ago
6

50 points!!! Please help me

Chemistry
1 answer:
oee [108]3 years ago
5 0
30. mixture of compounds
31. compound
32. element
33. compound
34. compound
34. mixture of elements and compounds
You might be interested in
When it is spring in China, it is ______ in South America
Vanyuwa [196]
I would say fall/ autumn in South America because they are in opposite hemispheres. 
4 0
4 years ago
In medical imaging, radioactive substances are sometimes used to help "see" parts of the body.
Kaylis [27]
This is true as some parts cannot be checked but the radioactive substances can be used in x-rays
4 0
4 years ago
What mass of oxalic acid dihydrate, H2C2O4•2H2O, is needed to make a 0.357 M solution of oxalic acid in a 250.0mL volumetric fla
GalinKa [24]

Molarity is expressed as the number of moles of solute per volume of the solution. The mass of oxalic acid dihydrate needed for the solution is calculated as follows:

Amount in moles: (0.357 mol H2C2O4•2H2O / L) (.250 L ) = 0.0893 mol H2C2O4•2H2O


Amount in mass : 0.0893 mol H2C2O4•2H2O (126.08 g / mol ) = 11.2589 g H2C2O4•2H2O


Hope this answers the question. Have a nice day.

5 0
3 years ago
If half of the moon is always illuminated why does its appearance from earth change?
irina [24]

Answer:

The different angles the moon has from sunlight to the earth

Explanation:

3 0
3 years ago
Read 2 more answers
At the county fair, Carrie and Sam climbed up on the carousel horses. Around and around they went; the horses also bobbed up and
grigory [225]
I believe sam's response is correct.
When human is riding a moving target with constant speed over a period of time, we tend to have  a visual acceleration perception due to our optical movement.
This make people such as Carrie believes that the carousel horses are accelerating while it actually stayed at constant pace.
3 0
3 years ago
Other questions:
  • How many carbon monoxide molecules are in 0.75 moles of carbon monoxide
    9·2 answers
  • Is waterproof sunscreen polar or non-polar
    11·2 answers
  • 152 dm^3 of gas has a pressure of 98.6 kpa. at what pressure will the volume be quartered
    6·1 answer
  • Balance the equation for the reaction given below:<br> CuCl2 + NaNO3  Cu(NO3)2 + NaCl
    14·1 answer
  • I'm iron and oxygen combine to form iron oxide (rust). list the reactants and products of this reaction.
    14·1 answer
  • 2) Os foguetes são utilizados para levar pessoas ao espaço (os astronautas), mas principalmente cargas como, por exemplo, os sat
    7·1 answer
  • What gasous product would you expect when water is drop over calcium carbide​
    13·1 answer
  • Is an isotope more or less stable the longer the half life?
    7·1 answer
  • Which substance is most likely to dissolve in greater quantities in cold water
    5·2 answers
  • How do chemicals hurt our environment
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!