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
Len [333]
4 years ago
11

Can someone help me with this?

Chemistry
1 answer:
natulia [17]4 years ago
7 0

Answer:

3rd one

Explanation:

trust me

You might be interested in
The components of a mixture maintain their original properties. T/F
Georgia [21]
The components of a mixture maintain their original properties. True. That is because a mixture is not combined chemically. 
6 0
3 years ago
Convert the following:<br> 0.074 km<br> m.<br><br> The answer is 74 m
nikklg [1K]

Yes the answer is 74

:)

that's correct

3 0
3 years ago
Jenny places a strip of pH paper into a solution. When she removes the pH paper, it has turned yellow-green. What should Jenny d
Galina-37 [17]
The answer is D. compare the pH paper's color with a chart of colors and pH ranges. This is the method of using pH paper. pH paper is just a method to determine the pH number roughly.
3 0
3 years ago
What is the structure of epithelial cells?
EleoNora [17]
Your answer is C for sure
5 0
3 years ago
1.)If you are given the number of particles in a substance sample, what is the first step you should take to determine how many
alekssr [168]

Answer:

1-Find the molar mass of the substance.

2-H3PO4

3-New atoms are created.

4-The ratios of the number of moles of each substance that react and that are produced.

5-conservation of mass

6-The number of atoms for every element is equal on both sides of the equation.

7-1:1

8-1:03

9-5.50%

8 0
3 years ago
Other questions:
  • Describe a procedure to separate a mixture of salt, sand, and water.
    9·1 answer
  • Which statement best explains the relationship between the electric force between two charged objects and the distance between t
    5·1 answer
  • The rate constant for this first‑order reaction is0.870 s−1 at 400 ∘C. A⟶products How long, in seconds, would it take for the co
    8·1 answer
  • A gas has a volume of 590ml at a tempature of -55.0 Celsius. What volume will the gas occupy at 30.0 Celsius? Show your work
    12·1 answer
  • 1. Calculate the molarity when 403 g MgSO4 is dissolved to make a 5.25 L solution. Round to two significant digits.
    10·1 answer
  • If 17.8 grams of KOH dissolve in enough water to make a 198-gram solution, what is the concentration in percent by mass?
    8·1 answer
  • PLEASEEEE I NEED HELPP
    14·1 answer
  • Wat are representative elements
    11·2 answers
  • Given the reaction:
    6·1 answer
  • An aqueous solution contains
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!