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Use logarithms to solve the equation 2^5x = 3^2x+1 , giving the answer correct to 3 significant figures.

Firstly, I would make sure that the student is aware of the basic conept of logarithims and run through the basic "laws" of logarithims to make sure that they have the knowledge they need to ans...

Answered by Shubhayu G. • Maths tutor

13283 Views

Explain, with the use of a punnet square, heterozygous inheritance.

First, let's make sure we're clear on what heterozygous inheritance means. Hetero means different like heterosexuals are attracted to a different gender than themselves, ...

Answered by Kristina M. • Biology tutor

3046 Views

Nitric acid (HNO3) is a strong acid. Ethanoic acid (CH3COOH) is a weak acid. Write an equation to show how ethanoic acid behaves as a weak acid in its reaction with water.

CH3COOH + H2O ⇌ CH3COO– + H3O+

Answered by Jigi M. • Chemistry tutor

31100 Views

Why is this reaction an Endothermic reaction?

bond making is exothermic, bond breaking is endothermic. It takes more energy to break the bonds than the energy released in making new bonds

Answered by Jigi M. • Chemistry tutor

3068 Views

What are the functions of glycoproteins in the cell membrane? (6 marks)

Antigens - cell recognition/cell signalling - receptor or binding site for hormones - cell adhesion - attach to water molecules to stabilise the cell membrane - receptor/ binding site/ trigger

Answered by Jigi M. • Biology tutor

21916 Views