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
Naddik [55]
2 years ago
8

A) Brass Key

Chemistry
1 answer:
ruslelena [56]2 years ago
7 0
B I’m pretty sure. (Sorry if I wrong-)
You might be interested in
Write the uses of Ions .​
Montano1993 [528]

Answer:

This is what they are: An ion is a charged atom or molecule. It is charged because the number of electrons do not equal the number of protons in the atom or molecule. An atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

This is their purpose: Once they reach our bloodstream, negative ions are believed to produce biochemical reactions that increase levels of the mood chemical serotonin, helping to alleviate depression, relieve stress, and boost our daytime energy.

Explanation:

4 0
2 years ago
Explain how the sodium chloride works as a preservative​
Olegator [25]

Answer:

Eg:Salt...Essentially, water moves across a cell membrane to try to equalize the salinity or concentration of salt on both sides of the membrane. If you add enough salt, too much water will be removed from a cell for it to stay alive or reproduce. A high concentration of salt kills organisms that decay food and cause disease.

Explanation:

8 0
3 years ago
A 56 g sample of peanut oil has a volume of 60.9 cm³. Calculate the density of the peanut oil
aleksandr82 [10.1K]
Density = mass / volume. So you'd write it out as D = 56g / 60.9cm^3, giving you 0.9195 g/cm^3.
4 0
3 years ago
Read 2 more answers
What is another name for a condensation reaction?
defon
The other name for a condensation reaction would be dehydration reaction. This reaction happens when two molecules or compounds react forming a larger molecule and a small H2O molecule. From the name itself, water should be produced.
8 0
3 years ago
A strong acid is one that:
HACTEHA [7]

Answer:

A strong acid completely ionizes in water.

5 0
3 years ago
Read 2 more answers
Other questions:
  • A 5.0 g sample of calcium nitrate (Ca(NO3)2, M = 164) contaminated with silica (SiO2, M = 60.1) is found to contain 1.0 g calciu
    13·1 answer
  • Using the words Kool Aid, sugar, and water, explain how a solution can be:
    5·1 answer
  • Which type of polymer is RNA?
    6·2 answers
  • How do you answer this chem equation: <br><br> 836.8J=14.5g*Cm*64
    13·1 answer
  • MgCl2 + NH4NO3 --&gt; Mg NO3 + NH4Cl is this a double replacement reaction?
    14·1 answer
  • As a distant star moves away from earth, the light given off by the star has a
    12·1 answer
  • A mixture of 10cm3 of o2 and 50 cm3 of hydrogen gas sparked together to form water calculate volume of non limiting reagent left
    10·1 answer
  • How many liters of N2 gas are in 2.4 moles at STP?
    7·1 answer
  • Last post as a troll lol, sorry but i need actual help this time.
    15·2 answers
  • How many milliliters of <img src="https://tex.z-dn.net/?f=H_%7B2%7D" id="TexFormula1" title="H_{2}" alt="H_{2}" align="absmiddle
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!