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Posts by rafael

Total # Posts: 58

math
(sinx)^(1/2)=cosx x is between 0 and 90 What is sinx

Chemistry
What's the pH of 0.15M C3H6O3?

Math
A frozen yogurt shop offers scoops in cake cones, waffle cones, or cups. You can get vanilla, chocolate, strawberry, pistachio, or coffee flavored frozen yogurt. If you order a single scoop, how many outcomes are in the sample space? Is the answer 3? If not please work this ...

Math (Trig)
A ship leaves port at noon and has a bearing of S 25° W. The ship sails at 15 knots. How many nautical miles south and how many nautical miles west does the ship travel by 6:00 P.M.? (Round your answers to two decimal places.) Miles South? Miles West?

ethic and social responsibility
those cells that have the potential to be used for multiple types of tissue.

ethic and social responsibility
none of the above

ethic and social responsibility
Pluripotent stem cells are__________________ (Points : 1) those cells that have the potential to be used for multiple types of tissue. those cells that have potential to be used only for one type of tissue. those cells that are generally taken from adults. those cells that are...

ethic and social responsibility
The social context and laws determine where and when this research is acceptable.

ethic and social responsibility
The relativist would agree with which statement about stem cell research? (Points : 1) It should not be practiced. It should be practiced in places where people believe that life begins when an egg is fertilized. It should not be practiced in places where people do not ...

ethic and social responsibility
the doctor acts in some manner to bring about the death of the patient.

ethic and social responsibility
the doctor acts in some manner to bring about the death of the patient.

ethic and social responsibility
In euthanasia, ___________________ (Points : 1) patients take a lethal dose of medication on their own. the doctor acts in some manner to bring about the death of the patient. the doctor is present when a family member administers the lethal dose. all of the above B and C

ethic and social responsibility
none of the above

ethic and social responsibility
those cells that are embryonic stem cells.

ethic and social responsibility
Pluripotent stem cells are__________________ (Points : 1) those cells that have the potential to be used for multiple types of tissue. those cells that have potential to be used only for one type of tissue. those cells that are generally taken from adults. those cells that ...

ethic and social responsibility
There would be greater overall happiness from the cures that emerge out of the research than the harm done to the embryos.

ethic and social responsibility
The harm caused to the embryos outweighs the good that comes from the research.

ethic and social responsibility
None of the above

ethic and social responsibility
A utilitarian might use which statement in an argument that supports the use of embryos in stem cell research? (Points : 1) The harm caused to the embryos outweighs the good that comes from the research. There would be greater overall happiness from the cures that emerge out ...

ethic and social responsibility
all of the above

ethic and social responsibility
With which of these statements would Hippocrates agree? (Points : 1) all the above Doctors have a duty to care for others’ children as if they were their own. A doctor has a duty to teach people the art of medicine if they are interested. A doctor ought not give women ...

ethic and social responsib
may reveal information in cases where the patient intends bodily harm to another person.

ethic and social responsib
People who work in the field of mental health__________a________ (Points : 1) may reveal information in cases where the patient intends bodily harm to another person. may never reveal confidential information. ought to never reveal any information. may not reveal information ...

pharmacy
The value of your house is increasing by 4 per year. If it is worth $250,000 today, what will it be worth in three years?

Math
You are from CMU, huh ;)

physics
you and your friend are riding on a helicopter that is traveling west at a speed of 10 meters per second. You throw a baseball with a velocity of 2 meters per second north, straight across the inside of the helicopter to your friend on the other side. What is the velocity of ...

Government
Independent

AP Chemistry i need help!
A 21.5997 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g). After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of 15.5207 g. ...

AP Chemistry
For the reaction ? C6H6 + ? O2 ↽⇀? CO2 + ? H2O a maximum of ? moles of CO2 could be formed from 6.38 mol of C6H6 and 6.03 mol of O2. Answer in units of mol

AP Chemistry
For the reaction ? C6H6 + ? O2 ↽⇀? CO2 + ? H2O a maximum of ? moles of CO2 could be formed from 6.38 mol of C6H6 and 6.03 mol of O2. Answer in units of mol

AP Chemistry
The reaction of 8.7 grams of fluorine with excess chlorine produced 3.9 grams of ClF3. What percent yield of ClF3 was obtained? Answer in units of %

AP Chemistry
The reaction of 8.7 grams of fluorine with excess chlorine produced 3.9 grams of ClF3. What percent yield of ClF3 was obtained? Answer in units of %

AP Chemistry
For the reaction 3 FeCl2 + 2 Na3PO4 → Fe3(PO4)2 + 6 NaCl , what is the maximum amount of Fe3(PO4)2 which could be formed from 11.26 g of FeCl2 and 13.34 g of Na3PO4?

AP Chemistry
A 7.6 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 12.9 g. What was the mass of iron in the sample of ore? Answer in units of g

Chemistry Homework
If 0.8000 g of a mineral yields 0.2400 g of NaCl + KCl, and this mixture contains 58.00% of Cl, what is the percentage of Na2O and K2O in the mineral?

math
Mary's age is 2/3 that of peter's. two years ago mary's age was 1/2 of what peter's age will be in 5 years tim. how old is peter now?

Physicss
a car brakes to a halt in 5 seconds. The position of the car versus time is given by: x = 10t - t^2 a) What is the average speed between 0 s. and 4 s.? Thank you

Math
why

Physics
a car brakes to a halt in 5 seconds. The position of the car versus time is given by: x = 10t - t^2 a) What is the average speed between 0 s. and 4 s.?

AP Chem
how is the 51 gram sample integrated into the equation then? or is it not used at all in this case?

Chemistry
The normality is twice as the molarity because in this case normality is used in reference to tonicity (osmotic pressure) and NaCl splits in two ions doubling the number of osmotically active particles. It would be 2 x 0.145 x 0.93 = 0.270 0.93 is a correction factor for an ...

Fashion
(x to the second power-3x+2)and (5x to the second power-3x-8)= Show all work

math
write a expression for each model

Imagery
Shakira

Physics
There is an error in the form for question (d) vf = sqrt [2*(K.E)/M]

chemistry
Which of the following minor products could not arise from the halogenation reaction below? isobutane + Br2 ----> 1-bromo-2-methyl propane + HBr + minor products a)2,5 dimethylhexane b)2 bromo-2 methyl propane c)1,3 dibromo, 2 methyl propane d) 2,4 dimethylhexane e)2,2,5 ...

chemistry
this is the reaction...sorry about that :) isobutane + Br2 ----> 1-bromo-2-methyl propane + HBr + minor products

chemistry
Which of the following minor products could not arise from the halogenation reaction below? a)2,5 dimethylhexane b)2 bromo-2 methyl propane c)1,3 dibromo, 2 methyl propane d) 2,4 dimethylhexane e)2,2,5 trimethyl pentane plz can someone help me...i kno its not b) or c) but im ...

accounting
what is the function of the securites and exchange commission

accounting
accounting what groups consistently offer opinions about proposed fasb statement

cci
It is stand accounting procedures, or GAAP, to make an adjusting entry to remove the current year’s principle

cci
It is stand accounting procedures, or GAAP, to make an adjusting entry to remove the current year’s principle from the long-term liabilities. This entry reduces the long-term liabilities and increases the current liabilities. You are the bookkeeper for Biker’s ...

cci
Malissa is an accountant. Sometimes printouts of financial statements have errors and are not usable. Malissa doesn't like to waste anything, so she takes the unusable financial statements to her son's day care center to use for drawing paper. Explain why you think ...

us history
yea

world history
what set the stage for vietnamese resistance againts the french?

Philosophy
Philosophy of religion is the philosophical examination of the central themes and concepts involved in religious traditions. It involves all the main areas of philosophy: metaphysics, epistemology, logic, ethics and value theory, the philosophy of language, philosophy of ...

Chemistry
How do I determine the formula of a conjugate acid. Ex. question: Give the formula of the conjugate acid of each of the following. (a) NH2- (b) HPO42- (c) NO3- Add a H^+ to each of the bases listed. The conjugate acid of the acetate ion, CH3COO^- is CH3COOH.

Chemistry
A buffer containing 1.2169 M of acid, HA, and 0.1431 M of its conjugate base, A-, has a pH of 3.96. What is the pH after 0.0017 mol NaOH is added to 0.5000 L of this solution? I can't figure this out for the life of me, i'm sure its just some simple mistake i'm ...

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