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When using cm3 as the unit for volume to calculate the concentration why must you divide the cm3 by 1000?

As I’m sure you already know, the units of concentration are mol dm -3 . So before we calculate concentrations we must convert the volume with units cm 3 to dm 3 . 1 dm is the equivalent of 10 cm . So, by cu...
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Answered by Hannah B. • Chemistry tutor
25580 Views

What is the effect of increasing the temperature on the rate of reaction?

As the temperature has increased the particles have more kinetic energy which causes them to move more quickly so there are more collisions per unit time. Also, due to their increased kinetic energy, more pa...
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What is the trend in ionization energy across period 3 in the periodic table?

Ionization energy generally increases across period 3 because the nuclear charge increases but the shielding of the outer electrons remains relatively the same. This means that the electrostatic force of att...
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Answered by Tamara A. • Chemistry tutor
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What factors influence the rate of a reaction?

There are four factors to consider. Tempearture Surface Area Concenration/ Pressure Catalyst These factors all influence the rate of reaction. It is also important to understand how these factor influence th...
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Answered by Alexis A. • Chemistry tutor
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What is the difference between a period and a group in the periodic table

Groups and periods are just ways to divide and categorise elements in the periodic table according to their properties- be it physical or chemical. A period is the horizontal line and all the elements in one...
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Answered by Zoya K. • Chemistry tutor
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