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Chemistry
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How does temperature affect the position of equilibrium if the reaction is exothermic?

Imagine the reaction A + B <-> C+D where the forward reaction is exothermic. If we increase the temperature of the surroundings, the equilibrium is going to shift to the direction that reduces the t...

FA
Answered by Frances A. Chemistry tutor
7316 Views

In the flowing equitation 2H2+O2→2H2O how many grams of oxygen are needed to make 9g of water?

2H2+O2 ->2H2OThe best way to answer any mass balancing questions like this is to set the information in a table as follows and fill in the blanks: 2H2 + O

CO
13156 Views

Describe how elements are arranged in the periodic table

Elements in the periodic table are arranged in order of increasing atomic (proton) number. Elements with the same number of electron shells are arranged in the horizontal rows (periods), and elements with...

GC
Answered by Georgia C. Chemistry tutor
36575 Views

Explain why silicon dioxide has a higher melting point than sulphur trioxide

Strong covalent bonds present between atoms in silicon dioxide. VDW (Van Der Waals) between molecules in sulphur trioxide. Covalent bonds are stronger than VDW. Covalent bonds require more energy to be ov...

ZW
Answered by Zak W. Chemistry tutor
15212 Views

On the reaction profile below, label the activation energy and the energy given out ((delta)H) - 2 marks

1 mark for each correct label

MS
Answered by Mike S. Chemistry tutor
1923 Views

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