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Marat540 [252]
3 years ago
8

How many joules of heat are absorbed to raise the temperature of 435 grams of water at 1 atm from 25°C to its boiling point, 100

°C? (Cp of water = 4.18 J/g°C)
Chemistry
1 answer:
zepelin [54]3 years ago
7 0
The energy absorbed may be calculated using:
Q = mcΔT
Where Q is the energy absorbed, m is the mass of water, c is the specific heat capacity of the water and ΔT is the change is the temperature of the water. Substituting the values,
Q = (435)(4.18)(100-25)
Q = 136,372 J

The energy absorbed is 136.4 kJ
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An ionic bond is formed between lithium and bromine.
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When you produce a current/electron flow through a copper wire with a generator; the wire itself carrying the current (electron
amm1812
True is the right answer
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Ask Your Teacher A 1.04-mole sample of ammonia at 11.0 atm and 25°C in a cylinder fitted with a movable piston expands against a
RUDIKE [14]

Answer:

Explanation:

a) Volume of the gas nRT / P

= 1,04 X 8.3 X 298 / 11 X 10⁵ m³

= 233.85 x 10⁻⁵ m³

= 233 x 10⁻² L

2.33 L

P₁V₁ / T₁ =P₂V₂/T₂

(11 X 2.33) / 298 = (1 X 24.2) / T

T = 281.37 K

= 8.37 degree

b ) w = p x change in volume

= 10⁵ x ( 24.2 - 2.33 ) x 10⁻³ J

= 21.87 X 10² J

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q  = n x Cp x (25 - 8.37 )

= 1.04 x 35.66x 16.63 J

= 616.65 J

ΔU = Q - W

= 616.65  - 2187 J

= - 1570.35 J

=

=

7 0
3 years ago
in the modern wave-mechanical model of the atom, the orbitals are regions of the most probable location of
irina [24]

The orbital is the probable location of the electron of an atom.


Always remember the difference between Bohr and wave-mechanical model in terms of electrons!  

Your questions answer is Electron!  

But you should also know Bohr said electrons are in orbitals in a fixed proportion, but modern wave mechanical disagrees with this and said electrons are arranged in a very complex random proportion in a region called orbital!  

Hope this helped


have a smiley day (:

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If you had 1.00 kg of each kind of hardware, how many boxes of each would you<br> have?
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The number of boxes is calculated by dividing the

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<h3>What is a hardware?</h3>

A hardware is a physical component of a system that can be touched and felt.

Because hardware are physical components, they always have a given mass.

Assuming, several hardware each of mass 1.00 kg is available to be chosen from.

Also, assuming that the sum total of the mass of all the hardware is known.

The number of boxes can be calculated as follows:

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Therefore, the number of boxes is obtained by dividing the sum of the mass of the boxes by 1.00 kg.

Learn more about hardware and mass at: brainly.com/question/25698914

7 0
3 years ago
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