# Questions Asked onAugust 9, 2018

1. ## Chemistry

The pH of a solution prepared by mixing 55.0 mL of 0.183 M KOH and 10.0 mL of 0.145 M HC2H3O2 is ________. the answer is 13.122 however when i try to plug it into the Henderson Hasselbalch equation (pH= -log(1.8E-5)+log( 0.010065/0.00145) i am not getting

2. ## history

How did Otto von Bismarck help to bring about German unification? He convinced the Austrian emperor to form a pan-German military alliance. He became a strong influence on the king and encouraged the buildup of the military. As minister president, he

3. ## History

Which most accurately describes a problem faced by the Russian army on the eastern front during World War I? a. Poor transportation networks left troops ill-equipped on the front lines b. Ottoman forces, Russia's ally, were ineffective against British

4. ## math

An instrument shows the number of revolutions per minute made by each tire of a car. In each revolution, the car travels a distance equal to the circumference of one of its tires. The circumference of each tire is equal to 2πr, where r is the radius of

5. ## English

write an essay on Nigeria and I. for 100 to 200 words.

6. ## History

Which identifies the event that established a Communist government in Russia in 1917? a. Soviet Rebellion b. Bolshevik Revolution c. Red Uprising d. Russian Civil War Is it A, the Soviet Rebellion?

7. ## Math

How do you write standard form for 300,000+4,000+700+40+5

8. ## Physics

A progressive wave equation is given by y=a sin (200(pie)t -(pie)x/17)

9. ## math

Let F1 = (0,2), F2 = (0,-2), and P = (x,y). Use the distance formula to convert the equation PF1 + PF2 = 6 into Cartesian form. Simplify your answer until it reaches the form hx^2+ky^2=m. I tried solving this but I got stuck with all the square roots and

10. ## english

Medication use Take one tablet every 4 to 6 hours. Not more than 3 tablets in 12 hours. Take tablet with 8 ounces of water. Check back with doctor if symptoms are not relieved in 2 days. 43. Using the medication label above, which of the following dosing

11. ## Math

Of the 28 students in a class 7 went on the field trip. What percent of the class went on the field trip

12. ## math

Your current cell phone company charges \$30 per month for unlimited texting. Another company charges \$20 per month for the first 500 texts plus 5 cents each for any additional text. Should you keep your current current service or switch to the other?

13. ## life orientation

define environmental harmful substances

14. ## psychology

If a psychologist is having counseling sessions with workers, helping evaluate potential job candidates, and improving work environments, then that psychologist most likely works at __________. a mental health center a school an academic institution a

15. ## Math

In a circle whose center is O, arc AB contains 100°. Find the number of degrees in angle ABO.

16. ## math, English, geography, chemistry, physics, economics, l

the number 1 to 20 are written on pieces of paper and put in the box. if a piece of paper is picked at random, what is the probability of picking a paper with: an odd number, a prime number, a multiple of 3 and a square number

17. ## biology

why left side of heart pumps blood harder then the right side?

18. ## math

Using the equation representing the height of the firework (h = -16t2 + v0t + h0), algebraically determine the extreme value of f(t) by completing the square and finding the vertex. Interpret what the value represents in this situation.

19. ## Science

How can two people hold the same piece of paper at the same time without being able to touch each other and without tearing the paper?

20. ## physics

how much power does a 63kg athlete develops as he climbs a 5.2m rope in 3.5 second

21. ## maths

if the altitude of the sun is 45 then the length of shadow of a h metre high tower standing on a plan will be

asked by Shurti mishra
22. ## Physics

If train travelling 72kmph is to be brought to rest distance of 200m then its retardation should be

23. ## math

Find my average science test score is : 89,90,95,72,83,100,94

24. ## History

Why is there secondary sources and what is the importance of secondary sources even though there's primary sources?

25. ## Maths

Decimal number of 343/125 without doing actual division

26. ## geography

in â€œAt the tourist centre in bostonâ€ the speakers tone can best be identified as

27. ## Math

In the first act of a play all the actors were on stage. The second act opened with 1/2 the actors onstage and then 5 actors left. After that 1/2 the remaining actors left, and 4 actors remained on stage. How many actors were onstage in the first act?

28. ## Math

(-1)^1989 - (-1)^1988 = A. -2 B. -1 C. 0 D. 2 Is the correct answer A ?

29. ## Math

If each edge of a cube is increased by 2 inches, the A. volume is increased by 8 cubic inches B. area of each face is increased by 4 square inches C. diagonal of each face is increased by 2 inches D. sum of the edges is increased by 24 inches is the answer

30. ## Maths

I want a full working of my first question

31. ## geography

450 words about state of the county

32. ## math, English, geography, chemistry, physics, economics,

the number 1 to 20 are written on pieces of paper and put in the box. if a piece of paper is picked at random, what is the probability of picking a paper with: an odd number, a prime number, a multiple of 3 and a square numbe

33. ## Chemistry

Can you recommend an easily accessed site for chemistry topics for engineers. (Preferrably with topics of crystallization and inorganic chemistry)