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Why is a water molecule non-linear?

Valence Shell Electron Pair Repulsion Theory (VSEPR) states that lone pairs repel other lone pairs more so than they do bonded pairs. In water, the oxygen atom has two lone pairs. These two lone pairs repel ...
HM
Answered by Harry M. • Chemistry tutor
26888 Views

Explain one possible effect on the equilibrium market price of an increase in production costs for firms

An increase in production costs will result in an increase in the equilibrium price. This is because the increase in production cost means that firms will be less willing to supply and therefore there will b...
LR
Answered by Leonie R. • Economics tutor
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A linear sequence starts a + 2b, a +6b, a + 10b. The 2nd has a value of 8 and the 5th term has a value of 44. What are the values of a and b?

a + 6b = 8 5th term: a + 18b = 44 term 1: a + 6b = 8term 2: a + 18b = 44 term 2 - term 1: 12b = 36b = 36/12 = 3 a + 6b = 8a + 6(3) = 8a = 8-18 = -10
LR
Answered by Leonie R. • Maths tutor
3796 Views

A person has a suitcase with wheels. The person pulls the suitcase with a horizontal force of 13 N for 110 m. Calculate the work done on the suitcase by the person (3 marks).

Work done = force x distance moved Work done = 13 N x 110 m Work done = 1430 J
JT
Answered by Jasmine T. • Physics tutor
5416 Views

What is a world city?

A city that has very significant economic or financial and/or political influence on an international scale. Features: Major centre for finance, trade, businessMajor centre for culture, media Major centre fo...
RJ
Answered by Rose J. • Geography tutor
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