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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

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True [87]

Answer:

0.479 M or mol/L

Explanation:

So Molarity is moles/litres of solution...often written as M=mol/L

So here we are given grams of BaCl2 which we have to convert to moles. To convert to moles of BaCl2 we have to divide 63.2 g BaCl2 by molar mass of BaCl2 which is 208.23 g/mol so you get 63.2/208.23 = 0.3035 moles of BaCl2

Second step is converting the 634mL to litres by simply dividing by 1000 because we know 1 litre has 1000ml so 634/1000 = 0.634L

Now we just plug these guys in our molarity formula M=mol/L

M= 0.3035/0.634 = 0.479 M or mol/L

3 0
2 years ago
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Speed is the rate of change of position expressed as _____ traveled per unit of time. A. direction B. meter C. displacement D. d
STatiana [176]

Answer:

Distance

Explanation:

7 0
3 years ago
5 Questions to answer please
ryzh [129]
1.Type of bonding in which electrons are completely transferred is called ionic bond.
2. Isotopes have same atomic number but different atomic mass number.
Atomic number = number of protons + number of neutrons
Therefore, A is correct. 
3. Nucleus is composed of neutrons and protons.
4. Chemical reactions follows the law of conservation of mass. Therefore mass of reactant = mass of product = 4 grams.
5. Again, mass of table salt formed should be equal to mass of (Na+Cl₂) = 4 grams.
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3 years ago
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A shiny, smooth piece of black plastic and an identical piece of white plastic are exposed to visible light and sound waves. Whi
Nana76 [90]

Answer:

The awnser is D

Explanation:

Since the black pieces absorb light better than white pieces, the white pieces will reflect light better. But since color doesn't affect sound, the sound waves are reflected the same.

7 0
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If you need an object to move a further distance, how would you adjust the force?
Alborosie

Answer:

slingshot or throw it

Explanation:

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2 years ago
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