Determine the mass of glucose (C6H12O6) in a solution with 500.0 mL water if the freezing point of the solution is -3.95 C. Freezing point of h20=0.00 C; Kf for H20=1.86 C/m; M. W. Glucose=180.156 g/mol

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.

What is the source of continuous heat and energy that we receive from the sun

4. glenn andrews recently bought a motorcycle for $3,950. if he had to pay 6% sales tax on the bike, what was the total cost of the motorcycle?