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OlgaM077 [116]
3 years ago
8

Which symbol in a chemical equation separates the reactants from the products ?

Chemistry
2 answers:
anyanavicka [17]3 years ago
7 0

Answer: b

Explanation: its b

Lana71 [14]3 years ago
4 0

Answer:

Explanation:

The arrow symbol in a chemical equation separates the reactants from products. A chemical reaction is process in which chemical changes leads to the formation of products from reactants.

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What conversion factor would you use to convert correctly from the mass of a given
statuscvo [17]

Answer: 1 mole of the substance is equal to its molar mass or vice versa.

Explanation: Example: 18 g H2O x 1 mole H2O / 18g H2O = 1 mole H2O

7 0
3 years ago
Lithium iodide has a lattice energy of -7.3 x 102(kj/mol) and a heat of hydration of -793 kj/mol. find the heat of solution for
marishachu [46]

Given molecule Lithium iodide (LiI)

Heat of hydration = -793 kj/mol

Lattice energy = -730 kJ/mol

Heat of hydration = Heat of solution - Lattice energy

Heat of solution = Hydration + Lattice = -793 + (- 730) = -1523 kJ/mol

Now,

Mass of LiI = 15.0 g

molar mass of LiI = 134 g/mol

# moles of LiI = 15/134 = 0.112 moles

Heat of solution for 1 mole of LiI = -1523 KJ

Therefore, for 0.112 moles of LiI the corresponding heat is

= 0.112 *(-1532) = 171.6 kJ

5 0
3 years ago
A molecule of acetonitrile ch3cn contains ________ sigma bonds and ________ pi bonds.
andre [41]

A molecule of acetonitrile ch3cn contains 5 sigma bonds and 2 pi bonds.

What is acetonitrile?

Acetonitrile is a nitrile which is hydrogen cyanide where the hydrogen (H) is replaced by a methyl group (-CH 3 ). Acetonitrile is a volatile organic compound. it is also called Cyanomethane.

To know more about acetonitrile go to the given link :

brainly.com/question/14900816

3 0
2 years ago
Help ASAP!!
arlik [135]

Given :

Chlorine's 3p sub level has 5 electrons in it.

To Find :

How many electron(s) more in the 3p sub-level to make it stable.

Solution :

Electronic configuration of Chlorine is :

[Ne] 3s² 3p⁵.

We know, p-orbit is stable with 6 electronic.

Therefore, to stable p-orbit 1 more electron is required in 3p sub-level.

Hence, this is the required solution.

6 0
3 years ago
How do separate the pure ethanol from the mixture of coloured aqueous solution with ethanol​
alina1380 [7]

Answer:

Fractional distillation is a method for separating a liquid from a mixture of two or more liquids. For example, liquid ethanol can be separated from a mixture of ethanol and water by fractional distillation. This method works because the liquids in the mixture have different boiling points. When the mixture is heated, one liquid evaporates before the other.

7 0
3 years ago
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