Sharing of electrons between two bonded atoms always indicates

Chemistry

1 answer:

Oliga [24]3 years ago

7 0

A covalent bond. :-)

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How many moles of oxygen gas are produced from the decomposition of six moles of potassium

GREYUIT [131]

From the equation, 32 equiv dixoygen gas evolve from 1 equiv chlorate.

You started with 6 equiv chlorate, and thus 9 equiv dioxygen gas are evolved. This is a common undergrad experiment. I think you need to add some sort of manganese oxide catalyst.

4 0

3 years ago

Given the balanced equation below, calculate the moles of aluminum that are needed to react completely with 13.2 moles of FeO?

irina [24]

The number of moles of aluminium that are needed to react completely with 13.2 moles of FeO is 8.8 moles

calculation

2Al + 3FeO → 3aFe +Al2O3

by use of of mole ratio of Al: FeO from equation above = 2:3 the moles of Al is therefore

= 13.2 x 2/3=8.8 moles of Al

3 0

3 years ago

A 1.00 L volume of HCl reacted completely with 2.00 L of 1.50 M Ca(OH)2 according to the balanced chemical equation below. 2HCl

wolverine [178]

Answer:

$\boxed{\text{6.00 mol/L}}$

Explanation:

(a) Balanced equation

2HCl + Ca(OH)₂ ⟶ CaCl₂ + 2H₂O

(b) Moles of Ca(OH)₂

$\text{Moles of base} = \text{2.00L} \times \dfrac{\text{1.50 mol}}{\text{1 L}} = \text{3.000 mol base}$

(c) Moles of HCl

$\text{Moles of HCl} = \text{3.000 mol base} \times \dfrac{ \text{2 mol HCl}}{\text{1 mol base}} = \text{6.000 mol HCl}$

(d) Molar concentration of HCl

$\text{Molar concentration} = \dfrac{\text{moles of solute}}{\text{litres of solution}}\\\\c = \dfrac{ n }{ V}\\\\c= \dfrac{ \text{6.000 mol}}{ \text{1.000 L}} = \text{6.00 mol/L}$