AM LOOKING FOR A CHEMISTRY TUTOR. CAN ANYONE HELP? GRADE 11 IGCSE
PLZZZ HELP MY EXAM IS IN 3 MONTHS
(ELECTROLYSIS AND ORGANIC CHEMISTRY)
EXTENDED SYLLBUS

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

Astream of surface water reaches a porous portion of sediment and seeps into the ground. this water eventually joins a large reservoir of water located beneath the earth's surface. the example above describes the interacting with the a. cryosphere; biosphere b. hydrosphere; biosphere c. hydrosphere; geosphere d. cryosphere; geosphere