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Ratling [72]
3 years ago
11

Can someone help me please

Chemistry
1 answer:
Andrew [12]3 years ago
4 0

Answer:

A

Explanation:

the sun gives energy to the grass to grow then the animal eats the grass and gets the energy and then the decomposer or mushroom will break it down for food.

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How many moles of carbon dioxide are produced when 19.3 mol of propane gas is burned in excess oxygen?
stepan [7]
A.57.9mol of co2 is the answer.
5 0
3 years ago
**PLEASE HELP** If you were presented with a preserved brain specimen, but weren’t told whether it was from a human or a sheep,
Gemiola [76]

Answer:

size-humans brains are usually larger than animals, shape-some animal brains are shaped very odd, and the cerebrum-that is the part of the brain that makes us human.

3 0
3 years ago
Which of these is a property of acids?
sertanlavr [38]

Answer: Correct option is 3.

Explanation: Properties of Acid:

  • They are liquids.
  • Acids are the ones which donate hydrogen ions to the solution.
  • They turn blue litmus paper to red.
  • They are corrosive in nature.
  • They are sour in taste. For example: vinegar

From the above properties written, it can be said that option 3 is correct.

3 0
3 years ago
Read 2 more answers
water in water. Given a density of 1 g/ml a density and a molecular weight of 18 g/mol calculate the concentration of water and
elixir [45]

Answer:

The molar concentration of water in water is 55,5 moles/L

Explanation:

In chemistry, concentration refers to the amount of a substance per defined space. Molar concentration refers to moles of solute per liter of solution.

To obtain the molar concentration of water in water you need to know how many moles of water you have in a liter, thus:

1L ×\frac{1000g}{1L}×\frac{1mole}{18g} = <em>55,5 moles/L</em>

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I hope it helps!

4 0
3 years ago
When the air inside a hot air balloon is heated, it expands and takes up a larger volume. As a result, it floats higher into the
pav-90 [236]
I believe it becomes gasses the hotter it gets
6 0
3 years ago
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