Chemistry
A particular oral contraceptive contains 0.041 mg of ethinyl estradiol in each pill. The formula of this compound is C20H24O2. How many moles of ethinyl estradiol are there in one pill? I need help in approaching this
math
Is 4,564,282 a prime or composite number?! Seriously, I have absolutely no idea!!!!!!
orgoo
what are the products of the reaction: HC3OH + (Na+NH2-) ?
orgo
What is the pH of a 5.00E-2 M solution of acetylsalicylic acid, pKa = 3.52.
chem
calculate the pH of 5x10^-2 M of benzoic acid with pKa= 4.19
math
what is the rule for the following: x = 1,2,3 y = 2,6,12
Physics
A bug completes one lap along the edge of a circular planter of radius 22.4 cm in 16.45 s. How fast was it traveling? Answer in units of cm/s.
aglebra 2
determine whether the equation has one solution, no solution, or is an identity. 5y+3=26
chem
P1V1/T1=P2V2/T2 ; basic proportion. STP mean standard temperature and pressure P1=700 torr V1=8 Liters T1=293K P2=standard pressure=1 atm=760 torr V2=unknown T2=standard temperature=273K i hope you can follow my though process. (700*8)/293=(760*V)/273 V=6.87
Bio HELP!!!!
what is the name of the process throughh which polypeptides, polysaccharides or triglycerides are catabolised (broken down)?
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