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In what circumstances can an ionic compound conduct electricity? How?

An ionic compound in its molten or liquid form is able to conduct electricity due to the free movement of conducting metal ions that can carry charge

Answered by Jalini K. • Chemistry tutor

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Explain how vaccines work.

Vaccinations are an injection of small amount of a dead or weakened form of a pathogen that provoke a primary immune response. This causes the body to produce the correct antibodies to remove the pathogen...

Answered by Eleanor M. • Biology tutor

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Explain antibiotic resistance in bacteria and its evolution.

Antibiotics are used as medicine to treat bacterial diseases. Bacterial diseases are the result of populations of bacteria, and bacteria within these populations are not all equally susceptible to antibio...

Answered by • Biology tutor

2544 Views

Solve the simultaneous equations 5x+2y=13 and x-2y=5.

5x+2y=13 + x-2y = 5 6x =18Firstly you need to either add or subtract one equation from the other. The way to decide this is to either focus on the x's or the y's. The trick to solving these simult...

Answered by Amy J. • Maths tutor

5209 Views