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IM in Dire need of help. Ive been struggline with this one question!!
im fairly sure the answer should be 4 although ive been having
trouble with these
In the balanced equation for the reaction of zinc with nitrate to produce Zn(OH)42 and ammonia under basic conditions, how many water molecules are present on the reactant side of the equation? The unbalanced redox equation is: Zn+NO3- >NH3 + Zn(OH)42-
im doing a lab where i need to synthesize a specific chalcone.
ive decided to use a Witting reaction, in order to do so i need to
synthesize this witting reagent but am having a hard time figuring
out how to make it. help please
i need help with these. im not sure if my answers for the
second one are correct.
E. Consider the condition of color blindness. It is a condition that occurs almost exclusively in males. In this example, the x represents the color blind containing chromosome. x1 1. What percentage of offspring do not have color blindness? 2. What percentage of children have color blindness?5 What percentage of females have color blindness? What percentage of females are carriers? 4. 5. What...
PLEASE HELP, im desperate and need a lot of help. FOR ALL PARTS of
the question, please explain. thank you so much
5. (9 pts) The following are questions regarding the phylogeny and classification of vertebrates: Use scientific names of all taxa. a) What major groups of organisms are included in the Sarcopterygii? b) Name a synapomorphy of the Gnathostomata. c) What groups are included in the Tetrapoda? Do not include subgroups whose more inclusive group has already been named....
can someone help me answer these ? ive answered them but im
not sure my answers are correct...
1. Would you expect attenuation control to occur in eukaryotes? Justify your answer. 2. Alpha-amanitin was found to have different effects on the three eukaryotic RNA polymerases.. Two types of eukaryotic RNA polymerases labelled as X and Y are given to you and your task is to identify these 2 RNA polymerases a. For this purpose you used very low concentrations of...
help with part d) ive dont all the work but im not sure which
statement applies to my work.
Save Homework: 7-1 Estimating a Population Proportion Score: 0 of 1 pt 8 of 15 (7 complete) 7.1.13 HW Score: 46.67%, 7 of 15 pts Question Help Use the sample data and confidence level given below to complete parts (a) through (d) A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=1055 and x=545...
help with these dyanamics problems ive worked on it but i
havent been able to get the right answer please go into detail on
answering these so i can re work
"Before Impact JA = 27 +39 MA = 2 kq VB = - 37 - 4 mg = 2.5kg Rest 3-0137 - 200 SHEETS -FILLER coeft of e=.7 velocity After Impact A+B Kinetic Energy Before impact KE = Impact After KE = COMET 3-02:36 100 SHEETS 3-0237-200 SHEETS -...