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
max2010maxim [7]
3 years ago
6

If the strength of the magnetic field at A is 4 units, the strength of the magnetic field at B is _____.

Chemistry
2 answers:
ANEK [815]3 years ago
6 0
16 jhsidusijdkdidjdhkxhekxudjd
stealth61 [152]3 years ago
5 0

Answer:

The Correct answer should be 1 unit

Explanation:

It appears to me that magnetic field A is four times the amount of B, and since A is 4 units, B must me 1 unit

You might be interested in
A galvanic cell whose cell reaction is 2Fe3+(aq) + Zn(s) → 2Fe2+(aq) + Zn2+(aq) has a cell potential of 0.72V. What is the maxim
sesenic [268]

Answer:

138.96kJ is the maximum electrical work

Explanation:

The maximum electrical work that can be obtained from a cell is obtained from the equation:

W = -nFE

<em>Where W is work in Joules,</em>

<em>n are moles of electrons = 2mol e- because half-reaction of Zn is:</em>

Zn(s) → Zn²⁺(aq) + 2e⁻

F is faraday constant = 96500Coulombs/mol

E is cell potential = 0.72V

Replacing:

W = -2mol*96500Coulombs/mol*0.72V

W = - 138960J =

<h3>138.96kJ is the maximum electrical work</h3>

<em />

5 0
2 years ago
Help please i am very dumb
UkoKoshka [18]

Answer:

1. 25%

2. 1.25

3. 1

Explanation:

Be sure to look at the x and y axis to answer these questions. All you need to do is look at the graph.

- Hope that helps! Please let me know if you need further explanation.

7 0
3 years ago
How many moles are in 3.00x 10^22 atoms of He?
sp2606 [1]

Answer:

<h2>0.05 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{3.0 \times  {10}^{22} }{6.02 \times  {10}^{23} }  \\  = 0.049833...

We have the final answer as

<h3>0.05 moles</h3>

Hope this helps you

3 0
3 years ago
Does ionic or covalent form solid crystals?
Alekssandra [29.7K]

Answer:

I hope it help

your welcome

5 0
3 years ago
A solution was prepared by mixing 50.0 g
frez [133]

Answer:

4.78 %.

Explanation:

<em>mass percent is the ratio of the mass of the solute to the mass of the solution multiplied by 100.</em>

<em></em>

<em>mass % = (mass of solute/mass of solution) x 100.</em>

<em></em>

mass of MgSO₄ = 50.0 g,

mass of water = d.V = (0.997 g/mL)(1000.0 mL) = 997.0 g.

mass of the solution = mass of water + mass of MgSO₄ = 997.0 g + 50.0 g = 1047.0 g.

<em>∴ mass % = (mass of solute/mass of solution) x 100</em> = (50.0 g/1047.0 g) x 100 = <em>4.776 % ≅ 4.78 %.</em>

4 0
3 years ago
Other questions:
  • Which of the following factors used in a dimensional analysis calculation have a finite number of significant figures (in other
    5·1 answer
  • Cual es la contribucion importante de los alquimistas
    9·1 answer
  • An organic compound that contains a carbonyl group with a hydroxyl group attached to it is an example of a(n)
    10·1 answer
  • Name the ester that is formed when pentanoic acid reacts with isopropanol.a.isopropyl pentanoateb.isopropyl pentanec.pentanoate
    9·2 answers
  • If you react 2.00 g of hydrogen completely using 15.87 g of oxygen to produce water, how much water (in grams) will you have?
    13·1 answer
  • SOMEBODY PLEASE HELP.. I DONT UNDERSTAND
    6·1 answer
  • Can u pls help me with this question ​
    5·1 answer
  • what are some snacks i can make that go with egg nog (please provide recipe) (will give brainilest for a good answer)​
    8·1 answer
  • What happens when you drop a feather and hammer on the moon and why
    7·1 answer
  • Which of the "planetary health measures" shown here have humans already exceeded?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!