Robyn

In what year was Beryl Higgs ordained?

18 years ago

I am trying to assist my fourth grader in writing her first book report. It is based off of a mystery book. I have looked everywhere for a basic guildline for her so that I can give her an idea of what to do without doing it for her.Can anyone please guid...

16 years ago

Consider the following unbalanced equation: Ca3(Po4)2+H2SO-->CaSO4+H3PO What masses of calcium sulfate and phosphoric acid can be produced from the reaction of 1.0 kg calcium phosphate with 1.0 kg concentrated sulfuric acid (98% H2SO4 by mass)? I'm so los...

16 years ago

which president set three unique records while in office?

16 years ago

if 7y=2x-5 what does x=

16 years ago

For the following vector addition diagrams, use Pythagorean Theorem to determine the magnitude of the resultant. Use SOH CAH TOA to determine the direction. Use the tail end relative to due east. ^ I 4 m I ------>I 3 m I've got the Pythagoren Theorem and...

16 years ago

The microscope has a converging lens (the eyepiece) with a focal length of 2.50 mounted on one end of a tube of adjustable length. At the other end is another converging lens (the objective) that has a focal length of 1.00 . When you place the sample to b...

15 years ago

A telescope with a small circular aperture of diameter 2.0 centimeters. If two point sources of light are being imaged by this telescope, what is the maximum wavelength at which the two can be resolved if their angular separation is radians?

15 years ago

Solve the system of equations by the substitution method {y=1.2+3.8 {Y-0.5x-2.99

15 years ago

Determine how many grams of water can be produced from excess propane C3H8 and 2.55g oxygen? MM 02 = 32 and MM H2O = 18.2. I tried 2.5 gm O2 X 5 mole O2/32.00 gm O2 x 4 mole H2O/5 mole O2 = 1.40. This is close but not correct. The answer is 1.15. Can you...

14 years ago

A ship left at 9:00 am going 10 miles per hour on a course. Another ship left at noon on the same course going 15 miles per hour. At what time did the second ship overtake the first ship?

14 years ago

What are the differences and similarities between a regular pentagon and an irregular pentagon

14 years ago

Equilibrium concentrations (a)(mol/L)// (b)(mol/L)// (c)(mol/L) 0.040 // 0.066 // 1.72x10^-2 0.080 // 0.017 // 8.8x10^-3 0.030 // 0.024 // 4.7x10^-3 My data was collected at 25○C for the reaction A(g) + B(g) = C(g) What i have to do now is involving three...

14 years ago

Identify the two conjugate acid-base pairs in each of the following: A) H2PO4^-(aq) + HSO4^-(aq) = H3PO4(aq) + SO4^2-(aq) B) HI(aq) + CN^-(aq) = HCN(aq) + I^-(aq) i got a) H2PO4^- , HSO4^- and SO4^2- b) CN^- and I^- But i don't think that these are right,...

14 years ago

For the acid-base neutralization reaction of Carbonic acid, H2CO3(aq) and lithium hydroxide, LiOH(aq), write the blanced: a)complete equation b) Ionic equation c) Net ionic equation. ----------------------- i got a) H2CO3(aq) + 2LiOH(aq) = 2H2O(l) +Li2CO3...

14 years ago

5) Find the points on the curve below at which the tangent is horizontal. Use n as an arbitrary integer. (Select all that apply.) y=Sin(x) / 2+ Cos (x)

13 years ago

Calculating the enery in joules required to heat a 256 grames of water at -107 degrees to 333 degrees

13 years ago

a pattern uses 3 1/6 yards of fabric to make a skirt. what is the largest number of skirts that can be made from 20 yards?

13 years ago

Peter walked 8,900 feet from home to school. How far to the nearest tenth of a mile did he walk? 1mile=5,280feet I got 1.6. Is this correct?

12 years ago

What is the product of (3x+2) and (x-7)? I got 3xsquared-23x-14. Is this correct?

12 years ago

How many square inches of wrapping paper are needed to entirely cover a box that is 2 inches by 3 inches by 4 inches? I did lxwlh and got 26 Is this correct

12 years ago

In the equation (8a^5)/b, how would you bring the b to the numerator and get rid of it in the denominator?

12 years ago

write a five digit number that fits each description use only the digits that the athlete are wearing use each digit only once in each answer find the greatest number less than 1.8 1. The digits ate 41836

11 years ago

Assume a three-month CD purchased for $3000 pays simple interest at an annual rate of 10%. What is the balance at maturity? I don't have any work. This is question one and I have 19 more. I don't understand how to arrive at the answer.

10 years ago

A solution containing excess lead(ii) nitrate is reacted with 380.0ML of 0.250mol/L potassium iodide solution. A bright yellow Precipitate is of lead(ii) iodide is formed. Calculate the mass of lead (ii) iodide that should be formed. Pb(NO3)2+2KI-> 2KNO3+...

10 years ago

Showing all calculations and specific references to the equipment needed, describe how to prepare 500mL 0.250mol/L potassium iodide(KI) solution.

10 years ago

Compare and contrast the Moon’s maria and highlands

7 years ago

which is greater? 3.56x10^4 or 1.9x10^6

3 years ago

Make the family feel very powerles when it comes to helping their loved one. Not only put the addicts health and safety in jepordy but also evryone that encounters them. Alcoholics often put their loved ones in the position to deal with the law as well as...

16 years ago

the 4m line should intersect with the arrow on the right of the 3m line.

16 years ago

9.55%

14 years ago

6.3 (ish)seconds !

14 years ago

okay i have the vaule of K being 6.527. I'm just confused as to how to start the teials. do i just do (b)/(a)(c), (a)/(b)(c) and (c)/(a)(b) ?

14 years ago

i got all the answers now Doctor Bob. thank you so much for your help! its muchly appreciated!

14 years ago

Thank you, so my answer would be 1.7

12 years ago

If I multiply again I get 52. Is that correct? Thanks

12 years ago

3.1648

11 years ago

Answers were all correct 100%

11 years ago

2 1/4 ÷ 5 = 9/20 9/20 x 8 = 18/5 18/5 = 3.6 3.6 cups

8 years ago