Jocelyn
Most popular questions and responses by Jocelyn
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
asked on February 2, 2012 
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
asked on April 16, 2013 
calculus
Use analytic methods to find the global extreme values of the function on the interval and state where they occur. y=x(2x)^(1/2), 2
asked on February 26, 2011 
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.
asked on October 17, 2019 
mathindependent 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
asked on January 28, 2007 
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.
asked on November 25, 2019 
science
What does conserving mass mean in a chemical equation? AThere are more of each type of atom on the reactant side than on the product side. BThere is an unequal number of each type of atom on both sides of the equation. CThere are more of each type of
asked on November 25, 2019 
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
asked on October 9, 2011 
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.
asked on November 25, 2019 
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
asked on October 24, 2014 
Science
List and briefly th explain the five forces that can act on any structure Please Help
asked on January 4, 2010 
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
asked on April 1, 2013 
math
janice scored 85% on the last test. she answered 34 questions correctly. how many questions were on the test?
asked on March 18, 2012 
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?
asked on May 24, 2011 
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?
asked on October 17, 2019 
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.
asked on October 24, 2014 
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
asked on January 29, 2013 
grammar
I was graduated last March 2011. Is this a correct grammar?
asked on October 26, 2012 
Math
Name a pair of numbers whose greatest common factor is the same as one of the numbers.
asked on October 17, 2019 
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
asked on May 19, 2015 
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?
asked on January 12, 2019 
chemistry
how many grams of CH4 (methane) must be burned to form 82.6g of H2O? equation: CH4+O2> CO2+H2O
asked on January 16, 2014 
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
asked on October 7, 2012 
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)
asked on February 10, 2016 
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
asked on October 7, 2012 
Informal Logic
"I bought a pair of shoes from that store that immediately fell apart. Their shoes are no good" may commit which fallacy?
asked on September 2, 2012 
Math
Pls help! What number has prime factorization? 2 3
asked on October 17, 2019 
science
How could you use the shadow of a lamp post to track the time of day on a sunny day
asked on February 9, 2012 
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)
asked on October 28, 2019 
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.
asked on June 29, 2011 
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
asked on February 8, 2017 
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?
asked on February 27, 2012 
fractions
what single fraction piece equals two eights
asked on September 29, 2009 
math
What types of problems can be solve using the gcf?? What types of problems can be solve using the least common multiple ??
asked on October 20, 2015 
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.
asked on October 2, 2016 
math
In a 180 kilogram sample of ore, there was 3.2% of metal. How many kilograms of metal were in the sample?
asked on March 18, 2012 
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?
asked on March 1, 2012 
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?
asked on January 11, 2012 
Algebra
Solve: x3y=9 4x+3y=6
asked on May 24, 2011 
fractions in input output table
triangle = square multiplied by 4 so wat is 2/3 multiplied by 4
asked on May 14, 2009 
math
A rectangular garden is 6m by 8m.if you walk 3times around the garden how many meters will you have covered
asked on January 12, 2017 
Math
there are 26 green,30 white,30 purple,14 blue what would be the minimum number for the blue to be 24%
asked on October 6, 2016 
Math
Lisa can run a mile in 8 minutes.Which is the most resonable time for her to run a 10km race?
asked on October 2, 2014 
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?
asked on November 11, 2012 
math
suppose 6% of 8000 people polled regarding election expressed no opinions. how many people expressed no opinion? 0.06x8000=?
asked on March 18, 2012 
math
How do i find 40% of 4,800? What is the strategy?
asked on March 7, 2012 
Math
N÷7=30
asked on April 1, 2017 
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?
asked on February 13, 2015 
algebra
2x3(x+4)=5
asked on January 14, 2015 
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
asked on November 29, 2014 
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
asked on March 4, 2012 
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?
asked on February 29, 2012 
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?
asked on June 29, 2011 
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
asked on December 2, 2009 
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?
asked on February 7, 2014 
Algerbra
2(1.3x + 9)=2.4x + 22
asked on November 12, 2013 
math
find the circumference of this circle 20m
asked on September 8, 2013 
math
what is the rule of 5*6= if 2*3= 7 1*6=8
asked on April 3, 2012 
math
what is 10 7/8% converted into a decimal?
asked on March 13, 2012 
Mathematics
What is the best website to practice some free maths worksheets for grade 7 ? (NSW curriculum)
asked on November 25, 2010 
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?
asked on November 15, 2010 
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,
asked on August 21, 2005 
math
what is the absolute value of 6^2 would it be 36?
asked on March 25, 2012 
Algebra
(x10)=7
asked on September 12, 2010 
science
Does yeast need light to grow? The bread I make using yeast rises in the dark.
asked on November 9, 2006

7th grade
Follow my insta, snap, TikTok all @missj.bonbon
posted on November 27, 2019 
science
so.. whats the answer?
posted on November 25, 2019 
science
i need an answer asap
posted on November 25, 2019 
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 
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 
Reading
I hope this right because i just went with the flow. :/
posted on March 13, 2019 
Math
I don' get what b1 is! Help
posted on February 26, 2019 
Chemistry
50.0 mL of a 0.200 M solution of the weak base Nethylmorpholine (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 Nethylmorpholine.
posted on December 15, 2018 
4th grade math fraction
Thank you for your help
posted on December 5, 2018 
S.S
i need the answer by im not getting it
posted on November 1, 2018 
Math
Marissa pours 1 1/2 cups of punch in each glass.How many fluid ounces is each serving
posted on March 7, 2018 
Fourth grade math  math book PearsonRealize
32 cards
posted on February 10, 2018 
math
Idk
posted on December 18, 2017 
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 
math
570150150=270
posted on August 10, 2017 
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 
Math
the ansewer is 23 packets
posted on October 10, 2016 
scientific notation am i doing it right?
5x10^7)3x10^9
posted on September 11, 2016 
geometry
23
posted on December 14, 2015 
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 
Math
12
posted on May 16, 2015 
math
A
posted on April 15, 2015 
Physics
PART 1 4kg(2.4+9.8) 4(12.2) 48.8N
posted on November 30, 2014 
S.S
Jolianna, The correct answer WAS C. :3
posted on November 1, 2013 
math
ok, 30% right?
posted on March 18, 2012 
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 
math
thank you
posted on March 18, 2012 
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 
math
would it be 0.10875?
posted on March 13, 2012 
math
okay so i got 1920. do i do the same if i was to find 25% of 4800?
posted on March 7, 2012 
math
thank you so much. i forgot about simplifying .
posted on February 29, 2012 
math
i got 24. thank u
posted on February 27, 2012 
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 
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 
6th grade math
whats the equivalent fraction for 8/21;)
posted on August 25, 2011