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blondinia [14]
3 years ago
15

The microwaves in an oven are of a specific frequency that will heat the water molecules contained in food. (This is why most pl

astics and glass do not become hot in a microwave oven-they do not contain water molecules.) This frequency is about 3 × 109 Hz. What is the energy of one photon in these microwaves?
Chemistry
1 answer:
statuscvo [17]3 years ago
8 0

Answer:

2E-24

Explanation:

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Benzoic acid is a white crystalline powder used as a food preservative the compound contains 68.8% carbon, 5.0% hydrogen and 26.
KiRa [710]
So in this task first I think you should use the formula of the: Density/percentage

68.8% divided 26.2%= 2.625954198473282

2.625954198473282 X =

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4 0
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PREDICT Do you think warming a cannonball in a fire has any effect
Zanzabum
I think yes because the heat from the fire will transferred to the cannon ball and it will cause something with its energy to change effect.
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3 years ago
Why does potassium chloride crystallises out of solution?
kompoz [17]

Answer:

R kelly math convinced me that macaroni noodles tastes like butt

Explanation:

R kelly - way of thinking

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3 years ago
8,000 meters into miles (show work)
pickupchik [31]

Answer:

8000 metres is equal to 4.971 miles

equation

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7 0
3 years ago
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Which substance cannot be decomposed by a chemical change?
coldgirl [10]

Copper substance cannot be decomposed by a chemical change.

<h3 />
  • When heated, the copper to carbonate breaks down into copper to oxide. The copper carbonate, which is dark in colour, releases carbon dioxide as well.Because they are the simplest chemically, elements cannot be broken down by chemical processes.

  • Elements are those pure compounds that cannot be broken down by reactions, heating, electrolysis, or other common chemical processes. Examples of elements are oxygen, gold, and silver. Its makeup stays the same, though.  One instance of a physical change is melting.  A physical change is when a sample of matter experiences a change in some of its qualities but not in its identity. Water turns into water vapour when it is heated.

Learn more about copper here:

brainly.com/question/493292

#SPJ4

6 0
1 year ago
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