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
Olegator [25]
3 years ago
11

PLEASE HELP

Chemistry
1 answer:
DENIUS [597]3 years ago
3 0

I believe that it is B

You might be interested in
Electrolytic capacitors differ from many other cpapacitors in construction in that they are?
sergeinik [125]
The answer is Polarized
3 0
2 years ago
A helium balloon has a volume of 2.30 L at 23.5 ​o​C and a pressure of 1.00 atm at sea level. The Balloon is released and floats
Paha777 [63]

Answer:

27.3 L

Explanation:

5 0
3 years ago
How many grams od Mg(OH)2 will be needed to neutralize 25 mlod
irina [24]

Answer:

0.0073 g

Explanation:

Considering:

Molarity=\frac{Moles\ of\ solute}{Volume\ of\ the\ solution}

Or,

Moles =Molarity \times {Volume\ of\ the\ solution}

Given :

For HCl :

Molarity = 0.010 M

Volume = 25 mL

The conversion of mL to L is shown below:

1 mL = 10⁻³ L

Thus, volume = 25×10⁻³ L

Thus, moles of HCl :

Moles=0.010 \times {25\times 10^{-3}}\ moles

Moles of HCl  = 0.00025 moles

Considering the reaction shown below as:-

2HCl+Mg(OH)_2\rightarrow MgCl_2+2H_2O

2 moles of HCl reacts with 1 mole of Mg(OH)_2

So,

1 moles of HCl reacts with 1/2 mole of Mg(OH)_2

Also,

0.00025 moles of HCl reacts with \frac{1}{2}\times 0.00025 mole of Mg(OH)_2

Mole of Mg(OH)_2 = 0.000125 moles

Molar mass of Mg(OH)_2 = 58.3197 g/mol

Mass = Moles*Molar mass = 0.000125\times 58.3197\ g = 0.0073 g

5 0
3 years ago
Read 2 more answers
What will happen to the efficiency of a bike after the gears have been cleaned and the chain has been oiled ?
seropon [69]

Well, figures for efficiency vary a lot, but according to Bicycling Science it’s lubrication that matters most – lubing a dry chain can add 5% to the efficiency.

More interestingly (and I hadn’t read this bit in the book before) it varys a lot depending on gear ratio – bottom gear (22-28) is 99% efficient, top gear (42-11) is 88%. That’s a big difference

7 0
3 years ago
What happens if you put sugar in someone's gas tank?
julsineya [31]
The sugar reacts with the gas, turning it to a semi-solid and sticky substance; clogging the gas lines along with many other things.
4 0
3 years ago
Other questions:
  • A cylinder with a movable piston contains 2.00 g of helium, He, at room temperature. More helium was added to the cylinder and t
    8·1 answer
  • How do you separate aluminum and steel cans for recycling?
    10·2 answers
  • How many atoms of sulfur are in 1.00 mol of iron(II) sulfate, FeSO4
    8·1 answer
  • what is the molarity of a solution which contains 0.40 mole of a substance dissolved in 1.6L of solution?
    13·1 answer
  • Nonrenewable means capable of growing back or being replaced
    7·1 answer
  • Which process refers to the dissociation of Naci into Na+ and Ci+?
    12·1 answer
  • 3. When 10.0 g of a pure compound was analyzed, it was found to contain 3.65 g of K, 3.33 g of CI,
    6·1 answer
  • I am lonely I need anime weebs
    14·2 answers
  • Look at the diagram of particles in solids, liquids and gases. Explain how the movement of particles is different in each state?
    13·1 answer
  • Which reactant is unlikely to produce the indicated product upon strong heating?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!