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DiKsa [7]
3 years ago
5

you place a beaker of water on a hot plate and heat it up eventually it starts to boil and you see bubbles for me you also seeme

d steam rising from the water surface is it physical or chemical change
Physics
2 answers:
Nuetrik [128]3 years ago
8 0
It's a physical change. the water is changing it's physical state

natali 33 [55]3 years ago
6 0

Answer:

It's a physical change. the water is changing it's physical state

Explanation:

Hopefully this helps you because I just had this on my homework and go it right!

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An air compressor compresses 6 L of air at 120 kPa and 22°C to 1000 kPa and 400°C. Determine the flow work, in kJ/kg, required b
Mariana [72]

Answer:

The work flow required by the compressor = 100.67Kj/kg

Explanation:

The solution to this question is obtained from the energy balance where the initial and final specific internal energies and enthalpies are taken from A-17 table from the given temperatures using interpolation .

The work flow can be determined using the equation:

M1h1 + W = Mh2

U1 + P1alph1 + ◇U + Workflow = U2 + P2alpha2

Workflow = P2alpha2 - P1alpha1

Workflow = (h2 -U2) - (h1 - U1)

Workflow = ( 684.344 - 491.153) - ( 322.483 - 229.964)

Workflow = ( 193.191 - 92.519)Kj/kg

Workflow = 100.672Kj/kg

6 0
3 years ago
Your science teacher gives you three liquids to pour into a jar. After pouring, the liquids layer as seen here. What property of
Blizzard [7]
A. mass
b. color
c. density
d. texture

i believe A
6 0
3 years ago
Read 2 more answers
What is the Unit used to measure voltage
muminat
The derived unit for voltage is named volt.
3 0
3 years ago
What is the kinetic energy of a 12 kg ball moving at a speed of 15 m/s?
vivado [14]

Answer:

1350 N

Explanation:

KE = ½mv²

KE = ½(12)(15²)

KE = 1350 N

3 0
1 year ago
Does the law of conservation of energy apply to waves?
dimulka [17.4K]

Answer:

Explanation:

Energy, as we have noted, is conserved, making it one of the most important physical quantities in nature. The law of conservation of energy can be stated as follows: Total energy is constant in any process. It may change in form or be transferred from one system to another, but the total remains the same.

4 0
3 years ago
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