Over a million students use our free study notes to help them with their homework
First, we have to convert the starting measurements for the HCl and CaCO3 content into moles so we can compare the ratios to the formula. 40cm^3=0.04dm^30.04dm^32.5mol.dm^-3=0.1 moles of HClmass/molar...
Young people at school are often subject to ethnic 'labelling' by teachers, which tends to view white male students as archetypal 'achievers' at the expense of other groups. Young white males who work har...
AO1 - Demonstrate knowledge and understanding of places, environments, concepts, processes, interactions and change, at a variety of scales*This answer is general but can/should be used in conjunction wit...
We start by multiplying both sides of the equation by (4 -a). We then expand the brackets "p.(4-a)" and end up with "4p - pa". We then gather the "a's" to one side of the equ...
Transcription is the first step in gene expression that copies a DNA molecule into an RNA molecule (transcript). Such RNA molecules can either be mRNAs, if the gene that is transcribed is protein coding, ...
←
1936
1937
1938
1939
1940
→
Internet Safety
Payment Security
Cyber
Essentials