Rafael

This page lists questions and answers that were posted by visitors named Rafael.

Questions

The following questions were asked by visitors named Rafael.

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 mista...

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 CH3CO...

write a expression for each model

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

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.?

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?

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?

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 %

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 %

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

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 no...

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 n...

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 c...

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...

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 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...

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?

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 n...

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

Barky the physics dog is able to leap at a speed of 200 m/s at an angle of 35 degrees, a) What is the maximum horizontal distance Barky can leap? b) If Barky wanted to double his horizontal distance without changing his velocity or angle, from what height...

Note: Enter your answer and show all the steps that you use to solve this problem in the space this problem in the space provided. Use the circle graph shown below to answer the question. If 30 sixth graders own birds, how many sixth graders were surveyed...

How do museums choose what to exhibit?

ANALYZING CENTRAL IDEAS QUICK CHECK: Which of these parts of an informational text supports a central idea? 1. transitions 2. citation of sources 3. dialogue 4. evidence

art museums. You can look at a museum’s decision to get a particular piece of art, create a special exhibition, or display an existing collection.

Answers

The following answers were posted by visitors named Rafael.

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 languag...

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

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

You are from CMU, huh ;)

may reveal information in cases where the patient intends bodily harm to another person.

all of the above

None of the above

those cells that are embryonic stem cells.

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 of the research than the harm done to the embryos.

the doctor acts in some manner to bring about the death of the patient.

the doctor acts in some manner to bring about the death of the patient.

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

none of the above

none of the above

those cells that have the potential to be used for multiple types of tissue.

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?

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 corre...

To have a clear view on what does it mean as well as a concrete answer.

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Because it accidentally sat on a catapult!😂😂😂😂

I got a 82% percent but megan is still great in my book