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A wheelbarrow is lifting a load of 150N at a distance of 50cm from the pivot. Calculate the turning effect

The turning effect (or moment) of a force can be calculated using this equation: moment of a force = force (F) x perpendicular distance from the pivot (d) So in this case, the moment = 150 x 0.5 (measured in...
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Answered by Ebele A. • Science tutor
3600 Views

Give the word equation for aerobic respiration and explain the difference between aerobic and anaerobic respiration in animals

Respiration: Glucose + Oxygen --> Water + Carbon Dioxide + Energy If there is a lack of oxygen then anaerobic respiration will take place instead of aerobic respiration, which in animals has the following...
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Answered by Orlando B. • Science tutor
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Name the three states of a material and give an example of each.

Solid = Ice, Liquid = water, gas = hydrogen
LW
Answered by Lily W. • Science tutor
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CaCO3 + 2HCl = ?

CaCO 3 is a carbonate and HCl is an acid, so the products will be a salt, water and Carbon Dioxide.Removing 2 Hydrogen atoms and an Oxygen atom for the H 2 O, and one carbon atom and 2 Oxygen atoms for the C...
TG
Answered by Toby G. • Science tutor
5951 Views

How do you balance chemical equations?

Example question: _H 2 O --> _O 2 + _H 2 First, work out how many of each element you have on each side. For example in this equation, Left: 2 hydrogen and 1 oxygen Right: 2 hydrogen and 2 oxygen We can t...
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Answered by Eve W. • Science tutor
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