# Jocelyn

Most popular questions and responses by Jocelyn
1. ## Chemestry

Aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3). The balanced equation is given below. C7H6O3 + C4H6O3 C9H8O4 + HC2H3O2 (a) What mass of acetic anhydride is needed to completely consume 4.20 102 g

2. ## math

Jenny borrowed \$500 for five years at 4 percent interest, compounded annually. What is the total amount she will have paid when she pays off the loan? total amount = P (1 + i)t

3. ## calculus

Use analytic methods to find the global extreme values of the function on the interval and state where they occur. y=x(2-x)^(1/2), -2

4. ## Math

Make a conjecture about what must be true about the least common multiple of any number pairs in which one number is the same as the greatest common factor.

5. ## math-independent and dependent events

A card is chosen at a ramdom from a deck of 52 cards.It is then replaced and a second card is chosen.What is the probability of getting a jack and then an eight? getting a jack 4/52. Then getting an eight 4/52 Probability of getting a jack and then an

6. ## science

Consider the equation: CH4+O2→2H2O+CO2 Which element or elements are unbalanced in this equation? A- Both H and O are unbalanced. B- C, H, and O are all unbalanced. C- Only the O is unbalanced. D- Only the H is unbalanced.

7. ## science

What does conserving mass mean in a chemical equation? A-There are more of each type of atom on the reactant side than on the product side. B-There is an unequal number of each type of atom on both sides of the equation. C-There are more of each type of

8. ## geometry

Ray Hf bisects with angle Ehg.. Which conclusion is not valid a. E,F and G are coplanar b. angle EHF is congruent with angle FHG c. Line Eh is congruent to line HG d. m/Ehf is congruent to m/FHG

9. ## science

Which is the best example of rotational motion? -The skater repeated the figure eight on the ice. -Sara spun the dreidel on its pointed end. -Craig sent the pool ball spinning toward the side pocket. -The mouse ran in circles around the mousetrap.

10. ## calculus

A spherical snowball is placed in the sun. The snowball melts so that it's surface area decreases at a rate of 2 cm2 /min. Find the rate at which the diameter decreases when the diameter is 8 cm

12. ## CHM 1010

Under pressure of 862kPa, a gas has a volume of 752ml. The pressure is increased, without changing the temperature, until the volume is 624ml. What is the new pressure

13. ## math

janice scored 85% on the last test. she answered 34 questions correctly. how many questions were on the test?

14. ## Algebra

The length of the sides of a triangle are three consecutive even integers. The perimeter of the triangle is 36 in. What is the length of the longest side of the triangle?

15. ## Math

The GCF of two numbers is 850. Neither number is divisible by the other. What is the smallest that these two numbers could be?

16. ## Calc

A spherical snowball is placed in the sun. The snowball melts so that it's surface area decreases at a rate of 2 cm2 /min. Find the rate at which the diameter decreases when the diameter is 8 cm.

17. ## Physics

1) Find the magnitude of the gravitational force a 68.6 kg person would experience while standing on the surface of Earth with a mass of 5.98 × 10 24 kg and a radius of 6.37 × 10 6 m. The universal gravitational constant is 6.673 × 10 −11 N · m2 /kg

18. ## grammar

I was graduated last March 2011. Is this a correct grammar?

19. ## Math

Name a pair of numbers whose greatest common factor is the same as one of the numbers.

20. ## liberal arts math

I have to figure the finance charge per \$ 100.00 for a loan of \$4500.00 with a finance charge of \$1080.00 I don't know what formula to use

21. ## math

1.A square lot is to be planted with santan plants all around.The side of the lot measures 10 m.If plants will be planted 20 cm apart,how many plants must be planted in all?

22. ## chemistry

how many grams of CH4 (methane) must be burned to form 82.6g of H2O? equation: CH4+O2----> CO2+H2O

23. ## Analytical Chemistry

Consider the titrations of 24mL of 0.050M HClO4 with 0.100 M KOH. Find the pH at the following volumes of KOH; Vb: 0.1, 5, 10, 12.40, 12.50, 12.60, 13 mL

24. ## Chemistry

The hydrogen gas is collected over water at 25.0°c. The volume of the gas is 246 ml measured at 760 mmhg. calculate the number of grams of h2 collected (vapor pressure of h2=23.76mmhg)

25. ## Analytical Chemistry

Consider the titrations of 24mL of 0.050M HClO4 with 0.100 M KOH. Find the pH at the following volumes of KOH; Vb: 0.1, 5, 10, 12.40, 12.50, 12.60, 13

26. ## Informal Logic

"I bought a pair of shoes from that store that immediately fell apart. Their shoes are no good" may commit which fallacy?

27. ## Math

Pls help! What number has prime factorization? 2 3

28. ## science

How could you use the shadow of a lamp post to track the time of day on a sunny day

29. ## English

Write two or three sentences exploring why Mrs. Price responds as she does when Phyllis claims the sweater. Support your answer with textual evidence. (Eleven by Sandra Cisneros)

30. ## Physics

What is the angular momentum of the second hand on a clock if the clock has a length of 25cm, a mass of 20g, and is rotating with constant angular velocity. Treat the second hand as a thin rod.

31. ## Math

Miss has three times as many markers and colored pencils the total number of markers and colored pencils is 84 how many workers does Miss have

32. ## math

if a 6 foot vertical rod casts a shadow 15 feet long, how high is a flagpole that casts a shadow 60 feet long? i know this is multiplication, but i don't know how to set it up. 10 feet?

33. ## fractions

what single fraction piece equals two eights

34. ## math

What types of problems can be solve using the gcf?? What types of problems can be solve using the least common multiple ??

35. ## Algebra

A rectangular picture is twice as long as it is wide and is to be mounted on a mat with the same proportion. If the picture is 18 inches wide, can it be mounted on a mat of 259 square inches? To answer this, find the width of the mat.

36. ## math

In a 180 kilogram sample of ore, there was 3.2% of metal. How many kilograms of metal were in the sample?

37. ## math

A) 2 5/8 x 3/14 i got 1 31/32 B) 2 1/10 x 3 4/7 i got 8 1/2 are these correct?

38. ## spell

What is a 12 letter word with the 5th letter being a C, the 7th being a E, and the 11th being a T?

39. ## Algebra

Solve: x-3y=-9 4x+3y=-6

40. ## fractions in input output table

triangle = square multiplied by 4 so wat is 2/3 multiplied by 4

41. ## math

A rectangular garden is 6m by 8m.if you walk 3times around the garden how many meters will you have covered

42. ## Math

there are 26 green,30 white,30 purple,14 blue what would be the minimum number for the blue to be 24%

43. ## Math

Lisa can run a mile in 8 minutes.Which is the most resonable time for her to run a 10-km race?

44. ## Physics

Brett decided that he was going to go bungee jumping at the WEM mall water park. If Brett weighs 95kg and he is 30 m above the water, how far will he fall IF the elastic force of the bungee cord is 1000N? Will he hit the water?

45. ## math

suppose 6% of 8000 people polled regarding election expressed no opinions. how many people expressed no opinion? 0.06x8000=?

46. ## math

How do i find 40% of 4,800? What is the strategy?

N÷7=30

48. ## Chemistry

Helium was heated in a sealed container from 18°C to 36°C. The original pressure of helium was 0.84 atm. Find the new pressure assuming V and n remain the same. I put 0.84 over 18 and set it equal to x over 36. I got 1.7 atm but it says its wrong?

2x-3(x+4)=-5

50. ## Science

The acceleration of gravity is 9.8 m/s2 . What is the magnitude of the total force on a(n) 94 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 60 m/s in 8.2 s? Answer in units of kN

51. ## spanish

what time do restaurants open and close in Mexico? I'm making a menu for a restaurant in Mexico and I need to know what time it opens and closes. What is the usual time

52. ## math

what is x? x + 2 11/14 = 5 13/21 basically, i want to know the formula to finding x. i tried to change the fractions to eqivalent fractions... any other ways?

53. ## Physics

A block is executing simple harmonic motion on a frictionless surface with an amplitude of .100m. At a point 0.060m away from equilibrium point the speed of the block is 0.320m/s. What is the period? What is the displacement when the speed is 0.20m/s?

54. ## college

Adam, Bill, Chris, and Dave each own one quarter of a company. Bill sells 2/3 of his shares to Dave. Adam sells 3/5 of his shares to Chris and the rest to Dave. How much of the company does Dave own now? Give your answer as a fraction reduced to simplest

55. ## Havlicek

12.5 moles of a gas occupy 32.0 liters at 100.0 degrees Celsius. What is the volume of 37.5 moles of the gas at 25.0 degrees Celsius?

56. ## Algerbra

2(1.3x + 9)=2.4x + 22

57. ## math

find the circumference of this circle 20m

58. ## math

what is the rule of 5*6= if 2*3= 7 1*6=8

59. ## math

what is 10 7/8% converted into a decimal?

60. ## Mathematics

What is the best website to practice some free maths worksheets for grade 7 ? (NSW curriculum)

61. ## Science

A rollercoaster will be going at a speed of 36 m/s through a loop. To make sure the riders don't experience acceleration greater than 20 m/s2, what should be the radius of the loop?

62. ## US HISTORY

who discovered the mississippi river? Although the Mississippi river was discovered in its lower course by Hernando de Soto in 1541, and possibly by Alonso Alvarez de Pineda in 1519, Europeans were not yet prepared to use the discovery, and two Frenchmen,

63. ## math

what is the absolute value of -|6^2| would it be -36?

-(x-10)=7

65. ## science

Does yeast need light to grow? The bread I make using yeast rises in the dark.

Follow my insta, snap, TikTok all @missj.bonbon

posted on November 27, 2019
2. ## science

posted on November 25, 2019
3. ## science

posted on November 25, 2019
4. ## english

It's probably B) Bright pink because gaudy means extravagantly bright or showy, typically so as to be tasteless. Just what I think. I might not be right though.

posted on October 25, 2019
5. ## Math

well, I'm not sure, but this is what I thought was right. 1700= 2x2x5x5x17 2550= 2x3x5x5x17 GCF= 2x5x5x17= 850

posted on October 17, 2019

I hope this right because i just went with the flow. :/

posted on March 13, 2019
7. ## Math

I don' get what b1 is! Help

posted on February 26, 2019
8. ## Chemistry

50.0 mL of a 0.200 M solution of the weak base N-ethylmorpholine (C6H13NO) is mixed with 8.00 mL of 1.00 M HCl and then diluted to a final volume of 100.0 mL with water, the result is a buffer with a pH of 7.00. Compute the Kb of N-ethylmorpholine.

posted on December 15, 2018
9. ## 4th grade math fraction

posted on December 5, 2018
10. ## S.S

i need the answer by im not getting it

posted on November 1, 2018
11. ## Math

Marissa pours 1 1/2 cups of punch in each glass.How many fluid ounces is each serving

posted on March 7, 2018
12. ## Fourth grade math - math book PearsonRealize

32 cards

posted on February 10, 2018
13. ## math

Idk

posted on December 18, 2017
14. ## algebra

Carlos is arranging book on shelves. He has 32 novels and 24 autobiography. Each shelf will have the same number of novels and autobiography. If carlos must place all book on shelves, whT are the possible numbers if carlos will use.

posted on December 14, 2017
15. ## math

570-150-150=270

posted on August 10, 2017
16. ## Math Help Please ASAP

If Andrew rode his bike for ten minutes at 30 RPM( Rotations per minute), how far (in inches) will he travel?

posted on April 5, 2017
17. ## Math

the ansewer is 23 packets

posted on October 10, 2016
18. ## scientific notation am i doing it right?

5x10^-7)-3x10^-9

posted on September 11, 2016
19. ## geometry

23

posted on December 14, 2015
20. ## statistics

Jesse entered the weight (in pounds) and weekly food cost data (in \$) into a statistics software package and found a regression equation of ŷ = .5 + .16x. This means that, on average, for each additional pound of body weight, the weekly feed cost goes (A)

posted on August 17, 2015
21. ## Math

12

posted on May 16, 2015
22. ## math

A

posted on April 15, 2015
23. ## Physics

PART 1 4kg(2.4+9.8) 4(12.2) 48.8N

posted on November 30, 2014
24. ## S.S

Jolianna, The correct answer WAS C. :3

posted on November 1, 2013
25. ## math

ok, 30% right?

posted on March 18, 2012
26. ## math

thank you. can you please check this for me: henri rici paid \$5000 for a car. after one year, its value had decreased by \$1500. by what percent had the car depreciated in value? is it 5000x=1500?

posted on March 18, 2012
27. ## math

thank you

posted on March 18, 2012
28. ## math

oh i know how to multiply. i just wanted to know if my equation was right about the problem.

posted on March 18, 2012
29. ## math

would it be 0.10875?

posted on March 13, 2012
30. ## math

okay so i got 1920. do i do the same if i was to find 25% of 4800?

posted on March 7, 2012
31. ## math

thank you so much. i forgot about simplifying .

posted on February 29, 2012
32. ## math

i got 24. thank u

posted on February 27, 2012
33. ## Chemestry

ok thanks but i still get stuck doing the theoretical yield can you please show me how to do this?

posted on February 3, 2012
34. ## Chemestry

the equation is C7H6O3+C4H603---->C9H8O4+ HC2H3O2 and both a and be ask to be in grams but i don't get how to do it at all PLEASE HELP

posted on February 2, 2012