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____ [38]
3 years ago
5

Balance the following equations:

Chemistry
1 answer:
yarga [219]3 years ago
4 0

Explanation:

C3H8 + 502 ----> 3CO2 + 4H20

4NH3+7O2------> 4NO2+6H2O

2Al(NO3)3 + 3Na2S -------> Al2S3+6NaNO3

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Which of these terms refers to matter that could be heterogeneous?
Dafna11 [192]

Answer:

B) mixture

Explanation:

Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly of three phases or states of matter are gas, liquid, and solid.

5 0
3 years ago
Water, H2O, is a molecule made of oxygen and hydrogen. The bonds that hold water molecules together are due to shared __________
adell [148]

Oxygen and hydrogen share electrons in the molecule of water to form covalent bonds.

<h3>What kinds of bonds exist?</h3>
  • Covalent bonds: These are formed between nonmetals and electrons by sharing electrons.
  • Ionic bonds: These are formed between metals, which lose electrons, and nonmetals, which gain electrons.
  • Metallic bonds: There are formed between metals. Electrons are delocalized in a cloud.

Water, H₂O, is a molecule made of 2 nonmetals: oxygen and hydrogen. The bonds that hold water molecules together are due to shared electrons, and known as covalent bonds.

Oxygen and hydrogen share electrons in the molecule of water to form covalent bonds.

Learn more about chemical bonds here: brainly.com/question/6071754

5 0
2 years ago
Dipole-induced dipole attractions exist between molecules of water and molecules of gasoline, yet these two substances do not mi
lana [24]

Gasoline is predominantly octane, C8H18.  Something like soap would be a great homogenizer.  Soap is composed of a long hydrocarbon chain with a tiny, highly polar tip on one end.  Usually, the soap is the anion of a salt, NaX.  This allows the polar end of the soap to stick to water, while the nonpolar end sticks to the oil.

\frac{kg*m*m}{m^3*s*\mu}=1=\frac{kg}{m*s*\mu}

\mu=\frac{kg}{m*s}

3 0
3 years ago
How to find the average speed of something
Mila [183]

Answer:

if you want to find average speed so u need to use this formula

Average speed = \frac{Total Displacement}{Total Time}

4 0
3 years ago
What is the percent yield of NaCl if 31g of CuCl2 reacts with excess NaNo3 to produce 21.2g of NaCl
Valentin [98]
The answer is 78.7% yield.
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