2 Assuming you start with 1 g of benzaldehyde work out how much malononitrile (NCCH2CN) you would need for the reaction. (7 marks) (Assume 1 mole of
benzaldehyde requires 1 mole of malononitrile for the reaction). Work out the mass of
tyrphostin you would get assuming a 100% yield for the reaction (3 marks).
United Kingdom)
Focus

There are main groups in the modern periodic table of elements

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?