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3 years ago

Give example of a compound

Chemistry

1 answer:

MrMuchimi3 years ago

3 0

Answer:

The seven crystal systems are a method of classifying crystals according to their atomic lattice or structure. The atomic lattice is a three dimensional network of atoms that are arranged in a symmetrical pattern. The shape of the lattice determines not only which crystal system the stone belongs to, but all of its physical properties and appearance. In some crystal healing practices the axial symmetry of a crystal is believed to directly influence its metaphysical properties. For example crystals in the Cubic System are believed to be grounding, because the cube is a symbol of the element Earth.

Explanation:

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Consider the reaction: AB As the reaction proceeds, the concentration of A drops from 0.625 M to 0.100 Min 11.6 seconds. What is

prisoha [69]

Answer:

0.045 M/s

Explanation:

Given:

Initial concentration of A = 0.625 M

Final concentration of A = 0.100 M

Total time taken for the change of concentration = 11.6 seconds

The average rate of reaction is calculated as:

= $\frac{\textup{Change in concentration of A}}{\textup{Time taken for the change}}$

on substituting the respective values, we get

= $\frac{0.625-0.100}{\textup{11.6}}$

The average rate of reaction = 0.045 M/s

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3 years ago

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Answer:

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What reagent could be used to separate Br- from CH3 CO2 when added to an aqueous solution containing both.

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Calculate the amount of heat needed to boil 64.7 g of benzene (C6H6), beginning from a temperature of 41.9 C . Round your answer

JulsSmile [24]

Answer: The amount of heat needed is = 4.3kJ

Explanation:

Amount of heat H = M × C × ΔT

M= mass of benzene = 64.7g

C= specific heat capacity = 1.74J/gK

ΔT = T2-T1

Where T1 is initai temperature = 41.9C

T2 is the final temperature( boiling point of benzene) = 80.1C

H= 64.7×1.74×80.7

H= 4300J

H=4.3kJ

Therefore, the amount of heat needed is 4.3kJ

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3 years ago

Sulfur (S) and fluorine (F) combine to form three different compounds. Compound A has 1.118 g of F for every 1.000 g S. Compound

lesantik [10]

Answer:

Compound A - S2F1

Compound B - S3F1

Compound C - S4Fl

Different proportions of sulfur can be reacted with the same mass of fluorine.

Explanation:

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