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ANTONII [103]
3 years ago
5

__________ is required to make a wave.

Chemistry
1 answer:
fenix001 [56]3 years ago
3 0

Answer:

The moon is required to make a wave.

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Pressure of an ideal gas ___________________, when number of particles ( moles ) of gas decreases.
atroni [7]
The answer to your question is B.
3 0
3 years ago
Help, please!
professor190 [17]

Hi so from what I can see the pizza as a distant or and you just have to convert the grams of glucose into moles. Most teachers ask for this format

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3 years ago
Eli states that sodium phosphate is a mixture because it is composed of both sodium ions and phosphate ions.
KonstantinChe [14]

Answer is: c. It is incorrect because sodium phosphate is a compound that has a single composition.

Sodium phosphate is chemical compound composed of atoms connected with chemical bonds.

Pure substance is made of only one type of atom (element) or only one type of molecule (compound), it has definite and constant composition with distinct chemical properties.

Pure substances can be separated chemically, not physically, that is difference between pure substances and mixtures.

7 0
3 years ago
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How many moles are in 15.5-g SiO2
DochEvi [55]

Answer:

0.26 moles

Explanation:

Number of moles = mass/molar mass

Mass of SiO2 = 15.5g

Molar mass of SiO2 = 60.08g/mol

Number of moles = 15.5g/60.08g/mol

=0.257

= 0.26 moles

8 0
3 years ago
12. Why does a water molecule have a bent shape?
Andrej [43]

Answer:

A water molecule consists of two hydrogen atoms bonded to an oxygen atom, and its overall structure is bent. This is because the oxygen atom, in addition to forming bonds with the hydrogen atoms, also carries two pairs of unshared electrons. All of the electron pairs—shared and unshared—repel each other.

Explanation:

4 0
2 years ago
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