Kiley

How many grams of KF do you need to weigh in order to prepare 500. mL of solution with a concentration of 0.250 M?

17 years ago

please check my answer thank you for all of your help in advance. If you know of any web-sites that may be helpful that would be great. True or False When medical records are moved forward to the most recent assigned medical record number a gap is generat...

17 years ago

I was wondering if someone please help me with this question ? It does seem to make much sense to me. Open shelves are recommended for high-volume file rooms. Which of the following is a possible disadvantage of open-shelf files ? A increased operational...

17 years ago

please check my answer thanks True or False A company that provides comprehensive health care services on a prepayment basis to voluntarily enrolled participants is called HMO I said True

17 years ago

Please check my answer True or False Medicare part B involves supplemental medical insurance I said True

17 years ago

Simplifiy the expression. sqrt4/49

16 years ago

Write the quadratic function in standard form. y=(2x+7)(x+4)

16 years ago

Simplify the expressions. 1. sqrt(40/169) 2. sqrt(18/13) 3. sqrt(45/32)

16 years ago

A plane flies due north at 225 km/h. A wind carries it due east at 55 km/h. What are the magnitude and direction of the plane's resultant velocity?

16 years ago

Five forces act simultaneously on Point A: the first 60N at 90 degrees, the second 40N at 0 degrees, the third 80N at 270 degrees, the fourth 40N at 180 degrees, and the fifth 50N at 60 degrees. What is the magnitude and direction of a sixth force that pr...

16 years ago

Find the vertex and axis of symmetry of the parabola when y=-3x^2+12-8

16 years ago

solve the equation: x^2-x+2=0 is 1+9i/2 the correct answer?

16 years ago

Write the expression as a complex number in standard form. (5-2i)-2(3+i) Please explain how to do this. I don't know how.

16 years ago

Solve by factoring: 2x^2+7x-4=0

16 years ago

A motorboat heads due west at 10 m/s. The river has a current that travels south at 6 m/s. a) what is the resultant velocity? b) If the river is 200 m wide, how long doe sit take the boat to cross the river? c) How far downstream is the boat when it reach...

16 years ago

I have to take cornell notes on each chapter of my book. Right now I am on chapter 8. The subject is African Civilizations and the Spread of Islam. I am having troubles coming up with questions to ask. Does anyone have any suggestions of types of question...

16 years ago

I've been stuck on this physics homework since I got home. I think the main issue I don't get is finding the components, and adding them to find the resultant force or velocity. Here's one problem. Three forces act on a point concurrently. Force a is 80N...

16 years ago

How do you simplify this expression? the sqrt of 3/25?

16 years ago

A ball of mass 3kg is tied to a rope with a length of 1.3m. If the ball is spun at a rate of 300rpm's, find the tension on the rope, the centripetal force, and the centripetal acceleration. Please help, I have a test on it tomorrow.

16 years ago

"The Protestant Reformation and the Counter-Reformation" Describe the religious division of Roman Catholicism and Protestantism geographically. Remember that the Lutheran and Calvinist faiths are Protestant as is the Church of England. Help!?!?! This is m...

16 years ago

What is the concentration (in % mass) of a solution in which you dissolve 200 mg of NaHCO3 in 1.0 L of water?

15 years ago

Could Elodea or Paramecium from a freshwater lake be expected to survive if transplanted into the ocean?

15 years ago

What is the area of a triangle with a base of 16 inches and a height of31 inches

14 years ago

Find the pressure of a gas that originally had a volume of 25 L, pressure of 67kPa at a temperature of 100 Kelvin. When the gas was heated to 200 Kelvin, it had a volume of 56L. How many moles would be present if the gas in the above question was an ideal...

13 years ago

Which property of gases best explains the ability of air bags to cushion the force of impact during a car accident?K

13 years ago

''Dan saved $463 over the 12 weeks of summer break He saved$297 of it during the last 4 weeks. How much did he save during the 1st 8 weeks.'' I have to draw a picture,write an equation,and write a variable.I don't know how to draw the picture or do the qu...

12 years ago

A ball is tossed straight upward with an initial velocity of 80 ft per second from a rooftop that is 12 feet above ground level . The height of the ball in feet at time t seconds is given by h(t)= -16t^2 +80t+12 find maximum height above ground level the...

12 years ago

9. Question : Cheryl runs a race on a circular 400.0 m track. She starts running east at the starting line and stops 20.0 m west of the starting line. Her time is 8.0 × 101 s. What is her average speed? 4.8 m/s 2.1 × 10-1 m/s -2.5 × 10-1 m/s 5.0 × 101 m/s

11 years ago

The information below shows properties of aluminum (Al). DELTAHfus = 10.07 kJ/mol DELTAHvap = 225 kJ/mol Which quantity of heat is required to melt a 342.9-g sample of Al? 127.98 kJ 214.93 kJ 2,851.95 kJ 3,453.00 kJ

11 years ago

Of all the Sunny Club members in a particular city, 25% prefer swimming on weekends and 75% prefer swimming on weekdays. 10% of the members in the city prefer swimming on weekends and are female. 55% of the members in the city prefer swimming on weekdays...

11 years ago

The UNBALANCED equation is: Zn + HCl –] ZnCl2 + H2 How many milliliters of a 0.48 M HCl solution are needed to react completely with 7.4 g of zinc to form zinc(II) chloride? Answer in units of mL. 7.4/100.84g*2 mol

9 years ago

Which responsibilities do state governments have with respect to public education? Select all the apply A: running school boards B:providing funding C: setting standards D: hiring teachers I think a and c but I'm not sure

7 years ago

A solution is made with 2 g of salt (NaCl) and 150 g of water (H2O). A). The salt and the water are BOTH solvents. B). The salt is the solute, and the water is the solvent. C). The salt and the water are BOTH solutes. D). The salt is the solvent , and the...

6 years ago

Hydrogen chloride (HCl) and potassium hydroxide (NaOH) react. What products are formed from this reaction? A).H2O B).NaCl C).Na+, Cl−, OH−, and H+ D).H2O, Na+, and Cl− E).H2O and NaCl I do believe the answer is E. Is this correct?

6 years ago

Zuzana tests a common household substance and finds that it has a pH of 3. What type of substance is in the scenari? A). basic B).salt C). neutral D). acidic I do believe the answer is D because any substance with a PH below 7 is an acid.

6 years ago

Solution F has a pH of 11, and Solution G has a pH of 13. How does the concentration of hydroxide ions in Solution F differ from Solution G? A).Solution F has 100 times more hydroxide ions than Solution G. B).Solution G has 100 times more hydroxide ions t...

6 years ago

Equal quantities of a strong acid and a strong base are mixed together, forming a solution. What is the pH of the solution? A).close to 7 B).less than 7 C).greater than 7 D).close to 0 I believe the answer is C). Is this correct?

6 years ago

What is the difference between a weak and strong base? A).Only some of the molecules of a weak base dissociate to produce hydroxide ions when mixed with water, but all of the molecules of a strong base dissociate to produce hydroxide ions. B).Only some of...

6 years ago

What do positive hydrogen ions produce when they react with water in solution? A).hydroxide ions B).hydronium ions C).a salt D).negative hydrogen ions I believe the answer is A). Is this correct?

6 years ago

What is a common method to increase the pH of an acidic substance?

6 years ago

What is produced in a neutralization reaction? Select all that apply. A).salt B).hydroxide ions C).hydronium ions D).water I do believe the answers are A). and D). Is this correct?

6 years ago

Judy tests a common household substance and finds that it has a pH of 7. What type of substance is in the scenario? A).basic B).acidic C).neutral D).salt I believe the answer is C). Is this correct?

6 years ago

Examine the false statement. Weak acids always have a high pH. Select the rewording that makes the statement true. A).Strong acids always have a low pH. B).Strong acids always have a high pH. C).Weak acids always partially dissociate. D).Weak acids always...

6 years ago

Which type category is the easiest to read when printed at a type size smaller than 10 points? A).display B).sans serif C).serif D).script I do believe the answer is B) or C). But I think it is B). Is this correct?? PLEASE HELP

6 years ago

Ellie is designing a printed brochure and she wants to add a streak of neon pink to it. What two color models should she use? A).CMYK and hex B).Pantone® and RGB C).CMYK and Pantone® D).RGB and hex I know the answer is NOT B). But I do think the answer is...

6 years ago

Ernesto is designing a website and a printed flyer. He needs the colors to match as closely as possible. How can he make sure they do? A).print out a screenshot of the website to match to the flyer B).use a reference color swatch book to match colors C).t...

6 years ago

What color model would be used to print a metallic gold color? A).RGB B).CMYK C).spot D).grayscale I know the answer is NOT A). Is the answer C).?

6 years ago

Emily is creating a website and has prepared her text in RGB, but she wants to use another color model that is the standard for colored text on a screen. Which color model would be best for Emily to use? A).hexadecimal B).spot C).CMYK D).grayscale I know...

6 years ago

I'm sorry, I don't even know where I should start plugging in. I got lost when you rearranged to mols = MxL.

17 years ago

Okay... M x L x mm = grams 0.250 M x 0.5 L x 57.9g = 7.24 grams

17 years ago

Is that it for the problem, or is there another step I have to do?

17 years ago

So 7.2 g would be correct then?

17 years ago

It depends on what your documents are.

16 years ago

distance=velocity*time i'm not sure about the others.

16 years ago

How do you add the vectors?

16 years ago

yeah, i do. I don't understand how to do it or i would practice.

16 years ago

Where does the seven come from?

16 years ago

ohhhh! okay thank you!

16 years ago

Can you explain how to do this one? Its the same, just a little different setup. 4x^2+10x=x^2-x+4

16 years ago

can you show me how to solve the factored equation?

16 years ago

Okay so when we were learning this, we had to add the components and do sine and cosine. Do i have to do that in this problem? If so, where?

16 years ago

Where did the 9 come from in x+4=9?

16 years ago

Ah got it. Thank you. So another kind of problem that is confusing me, probably because i'm making it harder than it is, is when forces are acting on a point: Three forves act on a point concurrently. Forve a is 80N at 220 degrees, force b is 70N at 90 de...

16 years ago

OHHHH. Wow. Haha, sorry, you definitely threw me off with that one. I get it now. Thanks.

16 years ago

Most of the sites I'm finding are either telling me how to take the notes, which I already know how. I'm just not sure what kind of questions would help me more. Do you know what i mean?

16 years ago

Oh okay, that kind of helps more. Thanks.

16 years ago

Try collegeboard. com Use the Student link. Under the College Board test link is another link called AP. Go to the classes link, and click on psychology. It should have a lot of information, and practice questions. I use this same site for AP History. Jus...

16 years ago

It should be on page fourteen in the booklet you'd open.

16 years ago

its sqrt (3/25)

16 years ago

ohh i get it now. haha. sorry, i misunderstood. thanks.

16 years ago

Well, Lutheranism was started by Martin Luther in the 16th century in Saxony? and diffused through many German territories into Scandinavia. Calvinism was started by John Calvin in 1541 in Geneva. Many Germans resented the authority and taxes of the Roman...

16 years ago

Ahh, okay. Thank you so much!!!

16 years ago

11/36

10 years ago

C.)Is currently standing at a fork in the road

8 years ago

Please do

7 years ago

Question 10 of 21 Penn thought of his colony as a “holy experiment.” He wanted it to be a model of religious freedom, peace, and Christian living. Protestants, Catholics, and Jews went to Pennsylvania to escape persecution. Later, English officials forced...

6 years ago

I got an 100 and I chose answer B, because Co2 is present in the blood.

6 years ago

Look at Ano's answers for the answers to the full quiz. I got an 100. Or, just look at the questions you need help with. Either way, he is right.

6 years ago

Pharynx The pharynx is the part of the throat behind the mouth and nasal cavity and above the esophagus and larynx, or the tubes going down to the stomach and the lungs. I don't think it's controlled by the pharynx, but I do agree with @MusicLover14

6 years ago

Scratch that, it's not the diaphragm...

6 years ago

Wait never mind, I'm going with the first answer

6 years ago

Thank you very much for your help. I did look over my text again. And the correct answer B. Thank you again!!

6 years ago

thank you

6 years ago

Doesn't that depend on what the PH of the acid is?

6 years ago

I read in my text that A high PH means that it is basic. So does this mean it the correct answer is A).?

6 years ago

thank you Ms. Sue, i appreciate it.

6 years ago

thank you

6 years ago

B B B I took it and got a 100

5 years ago

a)d=vi + a (t) 12=0 +0.5 (-9.8) (t)^2 15=-4.9t^2 1.7s=t b)vf=vi +a (t) =0+ (-9.8)(1.7) =16.66m/s approx 17m/s

4 years ago

Yes it has 40 q

3 years ago

7,8,9,11,11,11

2 years ago