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notka56 [123]
4 years ago
7

What does chemistry mean

Chemistry
1 answer:
Likurg_2 [28]4 years ago
6 0
A science that is mostly about substances
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What is the balanced equation for the production of water?
Bess [88]

Answer:

H₂ + O₂ → H₂O

Now, check that oxygen has two atoms on the left and one on the right

so, you put 2 on the right side

H₂ + O₂ → 2H₂O

oxygen is balanced so, add 2 on H₂ to balance out hydrogen

THE FINAL BALANCED EQUATION:

<h2>2H₂ + O₂ → 2H₂O</h2>
4 0
2 years ago
Read 2 more answers
7. Which particle diagram represents a mixture of three substances?"<br> Which option?
kozerog [31]

The particle diagram that represents a mixture of three substances is seen in Option 2.

A particle is a small portion of a matter that has both physical and chemical properties.

In inorganic chemistry, a substance refers to a form of matter ( usually particles) that can not be separated by ordinary physical means but by a chemical process.

It can either be:

  • an element or a compound.

From the information given, we have:

  • an atom of one element
  • an atom of a different element

Option 1, 3, and 4 show a particle diagram representing a mixture of only two substances but Only Option 2 shows a particle diagram representing a mixture of three substances.

Therefore, we can conclude that the particle diagram that represents a mixture of three substances is seen in Option 2.

Learn more about substances here:

brainly.com/question/24372098?referrer=searchResults

8 0
3 years ago
In at least 4 sentences, explain how access to technology may have an impact to what energy sources are used? THINK- industriali
larisa [96]

Answer : attention swung away from renewable sources as the industrial revolution ... turbines have developed greatly in recent decades, solar photovoltaic technology is ... However, the variability of wind and solar power does not correspond with ... and 0.17 for solar PV, hence declared net capacity (DNC) is the figure

Explanation:

8 0
3 years ago
Using a mixture of water, sand, and chemicals under high pressure to free tightly held oil and natural gas is known as ____.
uysha [10]
<span>Using a mixture of water, sand, and chemicals under high pressure to free tightly held oil and natural gas is known as Hy</span>draulic fracturing. 
<span>
This is a process commonly practiced in the United states where millions of gallons of water, sand, and chemicals are pumped underground. This is used to break apart the rock bed and release the gases that are deep in the ground.</span>
4 0
3 years ago
The combustion of propane may be described by the chemical equation, 
olasank [31]
\nu_{C_3H_8}=\frac{40.4}{\mu_{C_3H_8}}=
=\frac{40.4}{3A_C+8A_H}=\frac{40.4}{44}=
=\frac{9}{10}=0.9mol
1mol\ C_3H_8...5\ mol\ O_2 \\ 0.9mol\ C_3H_8...x\ mol\ O_2
x=\frac{0.9*5}{1}=4.5mol\ O_2
m=\mu_{O_2}*x=2*A_O*4.5=9*8=72g\ O_2
6 0
4 years ago
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