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
Andrew [12]
2 years ago
7

HELP FAST!!!

Chemistry
1 answer:
AfilCa [17]2 years ago
7 0

Answer:

the fourth one I think....m

Explanation:

tfffffdd

You might be interested in
Ce cantitate de O se gaseste in 5,8 g hidroxid de magneziu
coldgirl [10]

Answer:

separare pâlnii de picurare balon cotat. 1. 2. 3. 4 5 6 7. 8. 9. 1 ... Mod de lucru: 25 g Na2SO4∙7H2O se dizolvă în cantitatea minim ... Exemple: NaOH – hidroxid de sodiu.

Explanation:

make me as brain liest

4 0
3 years ago
Calculate the pH of a buffer prepared by mixing 20.0 mL of 0.10 M acetic acid and 55.0 mL of 0.10 M sodium acetate
MatroZZZ [7]

Answer:

Calculate the pH of a buffer prepared by mixing 30.0 mL of 0.10 M acetic acid and 40.0 mL of 0.10 M sodium acetate.

3 0
3 years ago
How would you separate the following ions by selective precipitation Ag + , Pb 2+, Cu 2+.​
Lemur [1.5K]

Answer:

we cannot vduurggruuriirru**

4 0
2 years ago
What is meant by the negative sign in an answer like"-46.8kJ"? When would you use a positive sign
MA_775_DIABLO [31]
It’s positive when you use energy for work
3 0
3 years ago
Which of these is an element?
Brilliant_brown [7]

Answer:

Carbon is the only element.

8 0
3 years ago
Read 2 more answers
Other questions:
  • PLEASE HELP QUICK What is the distinction between legal and illegal immigration?
    11·1 answer
  • What are the transition metals
    9·2 answers
  • When the atoms of two substances joined to make a new substance the process is called?
    14·1 answer
  • Ice caps blank more light than deserts because they have a higher albedo?
    14·1 answer
  • The reaction 2PH3(g)+As2(g)⇌2AsH3(g)+P2(g) has Kp=2.9×10−5 at 873 K. At the same temperature, what is Kp for each of the followi
    9·1 answer
  • Be sure to answer all parts. In the electrolysis of molten BaI2, (a) What product forms at the negative electrode? (b) What prod
    13·1 answer
  • The curiosity is important in the progress of science because it
    13·2 answers
  • Discuss the different observations that you would record during an investigation into the energy transformations of a lamp that
    12·1 answer
  • (b) on the graph above, carefully draw three curves, one for each of the three gases, starting from the initial point you drew i
    14·1 answer
  • Use the drop-down menus to identify the experimental group with additional nutrients and the control group without additional nu
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!