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jeyben [28]
3 years ago
7

2. I want to create a density bottle with 3 solutions called A, B and C. I put 45 ml of solution A

Chemistry
1 answer:
Tamiku [17]3 years ago
4 0

Explanation:143

what i meant was thank you for the points but it is 143

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The molecular formula of a compound is C7H14O7. what is the empirical formula​
nata0808 [166]
Empirical formula is the simplest way the molecular formula can be wrote so here 7 goes into all of these so it would be CH2O
6 0
2 years ago
If the mass of a material is 40 grams and the volume of the material is 9 cm^3, what would the density of the material be?
solniwko [45]
Mass = m = 40 grams
Volume = V = 9 cm³
Density = d = ?

Density is defined as the ratio of mass and volume.

So,

d = m/V

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d = 40/9 = 4.44 g/cm³

This means the density of material would be 4.44 g/cm³
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A pH of 3 is how many times more acidic than a pH of 6?
nika2105 [10]

Answer:

A pH=3 is 1000 times as acidic as a pH=6.

8 0
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If an object that enters the Earth’s atmosphere does not completely disintegrate, its remains can impact the Earth. True or Fals
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4 0
3 years ago
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14. Which of the following is produced when propane (C3H8) is combusted completely? (2 points)
Ymorist [56]

The following is produced when propane (C₃H₈) is combusted completely : H₂O

<h3>Further explanation  </h3>

Complete combustion of Hydrocarbons with Oxygen will be obtained by CO₂ and H₂O compounds.  

If O₂ is insufficient there will be incomplete combustion produced by CO and H and O  

Hydrocarbon combustion reactions (especially alkanes)  \large {\boxed {\bold {C_nH _ (_2_n _ + _ 2_) + \frac {3n + 1} {2} O_2 \Rightarrow nCO_2 + (n + 1) H_2O}}}

For combustion of propane C₃H₈ (n = 3) ⇒ completely(excess O₂) :

C₃H₈+5O₂⇒3CO₂+4H₂O

The products of combustion : CO₂ and H₂O

7 0
3 years ago
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