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Kisachek [45]
4 years ago
6

What is the source of potential energy for the circuit shown in the picture above?

Chemistry
2 answers:
Gnesinka [82]4 years ago
7 0

Answer:

The source of energy or the reservoir of the optimum amount of energy to drive the different mechanism is termed as the Potential energy(P.E) in more simple terms. As the potential energy is possessed by the object due to its very position or the space which it covers at a certain height,h. Along, with that the value of gravity,g also plays a very significant role in the potential energy of the body. As we have the following equation to solve our problems,

  • P.E= (mass of the object)×(height of the object)×(and the gravity).

As the object's height,h holds greater significance in the value of the potential energy of the object having some mass,m in a given space or area,A. While, the gravity plays a vital role in the total amount of the potential energy(tot P.E) that an object has in it. The S.I unit of the potential energy,P.E is <u>Joules</u>.

As, the energy,E is transferred from the point of higher potential or value to the point of lower value or level. Along, with that the potential between the different points or stages can also be due to the difference in the two different stages. While, the charges are moved from a region of higher value to the value of lower region or value of energy. As the movement of the charges from a point of reservoir to the sink is called as the current,I.

Likurg_2 [28]4 years ago
6 0
The correct answer to this question is letter "B. the battery
."
Attached to this answer is an image that shows the connection of the battery to the switch to the bulb.

There exists the same question from other source with the following choices:
<span>A. the wires
B. the battery
C. the switch
D. the light bulb</span>

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What is the mass of 1.7 × 1023 atoms of zinc
fiasKO [112]

We are given with a compound, Zinc (Zn) having a 1.7 x 10 ^23 atoms. We are tasked to solve for it's corresponding mass in g. We need to find first the molecular weight of Zinc, that is

Zn= 65.38 g/mol

Not that 1 mol=6.022x10^{23} atoms, hence,

1.7 x 10 ^23 atoms x 1 mol/6.022x10^{23} atoms x65.38 g/ 1mol

=18.456 g of Zn

 

Therefore, the mass of Zinc 18.456 g

3 0
3 years ago
1. An acetic acid solution that is 60.0% HC2H302 (by mass) contains
d1i1m1o1n [39]

Answer:

A solution of acetic acid that is 60.0% HC₂H₃O₂ (by mass) indicates that it contains 60.0 g of acetic acid and 100.0 g of water.

Explanation:

A percentage is a way of expressing an amount as a fraction of 100. The mass percentage corresponds to physical units of the solutions and they allow to establish more precisely the concentration of the solutions and express them in terms of percentages.

Mass percentage indicates the amount in grams of solute per 100 grams of solution.

So a solution of acetic acid that is 60.0% HC₂H₃O₂ (by mass) indicates that it contains 60.0 g of acetic acid and 100.0 g of water.

7 0
3 years ago
2NH3 + MgSO4 + 2H20-→ Mg(OH)2 + (NH4)2SO4
gayaneshka [121]
Chemistry msg for 78 mgSO 5.4 answer is NH3
7 0
3 years ago
Read 2 more answers
(+)-Carvone and (-)-carvone differ in the orientations of the substituents around which of the following carbon atoms?
myrzilka [38]

Answer:

The correct option is: B. Carbon 5 only

Explanation:

Carvone is a naturally-occurring monoterpenoid consisting of a six-membered cyclic ring. <u>The </u><u><em>carbon-5</em></u><u> of this cyclic ring of Carvone is </u><u><em>chiral, </em></u><u>due to which Carvone exhibits </u><u><em>enantiomerism</em></u><u>.</u>

The two <em>enantiomeric forms</em> of Carvone are: R-(–)-carvone, or L-carvone, and S-(+)-carvone, or D-carvone.

<em><u>These two enantiomeric forms differ in the orientation of the substituents on the chiral carbon-5.</u></em>

<u />

<u>Therefore, the correct option is B. Carbon 5 only.</u>

5 0
3 years ago
An aqueous solution containing 100.0 g of nacl and 100.0 g of cacl2 has a volume of 1.00 l and a density of 1.15 g/ml. the vapor
Lemur [1.5K]
Missing question: What is the vapor pressure of the solution at 25°<span>C?
n(NaCl) = 100 g </span>÷ 58,4 g/mol.
n(NaCl) = 1,71 mol. 
NaCl → Na⁺ + Cl⁻, amount of ions are 2 · 1,71 mol = 3,42 mol.
n(CaCl₂) = 100 g ÷ 111 g/mol = 0,9 mol.
CaCl₂ → Ca²⁺ + 2Cl⁻, amount of ions 3 · 0,9 mol = 2,7 mol.
m(solution) = 1000 ml (1,00 L) · 1,15 g/ml = 1150 g.
m(H₂O) = 1150 g - 100 g - 100 g = 950 g.
n(H₂O) = 950 g ÷ 18 g/mol = 118,75 mol.
<span>water's mole fraction = 118,75 mol </span>÷ (118,75 mol + 2,7 mol + 3,42 mol).
water's mole fraction = 0,95.
p(solution) = 0,95 · 23 mmHg = 21,85 mmHg.

6 0
3 years ago
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