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A conical vase of base radius 5cm and height 20cm is filled with 200ml of water, how high is the water level? Give your answer to 3 significant figures.

Answer: 2.96 cm Equations used: Volume of a cone = (base area x height) / 3 ; Base Area = pi x radius 2 Volume of whole vase = (pi x 5 2 x 20)/3 = 523.6 cm 3 (4sf) therefore Volume of air in vase with 200ml ...
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Answered by Ian C. • Maths tutor
3889 Views

What are the different types of si clause?

There are four main types of si clause in Spanish, and they are as follows: Si + Present + Present - This is used to convey a habitual action where one action is a direct consequence of another. In all of th...
FY
Answered by Fergus Y. • Spanish tutor
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Calculate the mass in grams of Iron (III) Chloride in a solution of 500 cm^3 which has a concentration of 0.200 mol/dm^3

First work out the moles of Iron (III) Chloride using the equation concentration = moles/volume, rearranging the eqaution in order to calculate moles gives moles = concentration x volume. Check the units!! B...
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Answered by Simon S. • Chemistry tutor
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Do you say "Habían muchas personas" or "Había muchas personas"? Which form is correct?

The second one is the correct! This is the impersonal use of the verb "haber", so the sentence lacks of subject. The mistake comes when people think "muchas personas" is the subject and t...
MG
Answered by Marcelo G. • Spanish tutor
7702 Views

How does Bronte convey the psyche of the Victorian woman through Gothic themes in Jane Eyre?

Through the medium of Jane Eyre, Charlotte Bronte was able to challenge the boundaries of Victorian female through the language of Gothic literature. The concept of the 'other' is presented to the reader con...
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