Monika
Popular questions and responses by Monika
science
can a metal sphere of radius 1cm hold a charge of 1 coulomb?justify your answer.
asked on June 7, 2017 
linear systems
This system has one solution. y=8x−14 y=x^2+4x−10 What is the ycoordinate of the solution?
asked on April 9, 2018 
math
Chalk contains 3 percent carbon 10 percent calcium and oxygen find the amount in grams of each of these substances in 1 kg
asked on February 2, 2016 
Physics ib
What is the way to set up an electric circuit with a filament lamp, switch, battery, ohmmeter, voltmeter and variable resistor as to have the most optimal measurement for the current and voltage?
asked on March 9, 2014 
CHEMISTRY
The temperature at which molarity of pure water is equal to its molality
asked on November 17, 2013 
Chem
A newly discovered element, Mysternium (Atomic symbol My) has two isotopes and an average atomic mass of 296.7286 amu. One of the isotopes, My296 has a natural abundance of 61.528% and has a mass value of 295.9064 amu. What is the mass of the second
asked on April 18, 2013 
General chem
How many electrons can have the quantum numbers n=4; l=2; ml=2 in an atom?
asked on April 16, 2013 
Chemistry
a solution contains an unkown amount of dissolved magnesium, addition odf 0.0877 mol of Na2CO3 causes complete precipitation of all the magnesium. what is the mass of magnesium was dissovled in the solution? you must write a balanced equation for the
asked on April 28, 2011 
physics
A skier skis down a 25 m high frictionless ski slope. How fast will she be moving at the bottom of the slope if: A) She starts from rest at the top B) She starts out with a velocity of 10 m/s
asked on November 11, 2009 
physics
A skier skis down a 25 m high frictionless ski slope. How fast will she be moving at the bottom of the slope if: A) She starts from rest at the top B) She starts out with a velocity of 10 m/s
asked on November 11, 2009 
mathematics
The basic wage earned by a truck driver for a 40 hr work week is $560.00. A)Calculate his hourly rate. Is the ans $14 per hour 2) For overtime work, the driver is paid one and a half time the basic hourly rate. B)Calculate his overtime wage for 10 hrs of
asked on June 13, 2009 
Chemistry
The pH of an arterial blood sample is 7.15. Upon acidification of 10 ml of the plasma 5.91ml of CO2 is produced at standard temperature and presure. Calculate: a) total CO2 in the specimen b) the individual concentration of disolved CO2(H2CO3) and HCO3 c)
asked on October 26, 2019 
Maths
Show that each and every number is a rational number
asked on June 14, 2018 
math trig
What would be the 2 solutions to this equation? sinx(tanx) + tanx = sqrt(3)(sinx) + sqrt(3) I know that "x = pi/3 +pi k" is one, but I need help finding the other. Cheers
asked on March 18, 2018 
Math  Trigonometry
In order to prevent confusion that may be caused by reading this problem written through keyboard text, I have written the identity in microsoft paint here: gyazo. com/3afe07a6067e467d3776dd8b64ccac91 I need to find three different ways (Different meaning
asked on March 15, 2018 
Math  Trigonomotry
Hello! In order to prevent confusion that may be caused by reading this problem written through keyboard text, I have written the identity in microsoft paint here: gyazo. com/d4529f091e5ba75c09a9a283201504d2 I need to find three different ways (Different
asked on March 14, 2018 
maths
f(x)=x^2+3x+1,g(x)=2x3, find fog and gog
asked on November 15, 2016 
chemistry
The H3O+ ion concentration in water is 1/10000000 molar.The degree of ionisation of H2O is? If given molarity of pure water is 55.5Molar.
asked on May 12, 2016 
Math 2 questions!
1. To __________ means to cut into 2 congruent parts A. intersect B. bisect** C. construct D. divide I think B 2. Which tool is not needed to construct a perpendicular bisector? A. compass B. pencil C. protractor** D. straightedge I think C Please check!!
asked on February 19, 2016 
English
you should pay your taxes regularly (rewrite the sentence. using 'have got to'
asked on October 13, 2014 
Chemistry
500 g of Fe reacted with water to yield 4.2 g of H2. Fe3O4 was also produced in the reaction. What is the %yield of H2?
asked on September 27, 2014 
college physics
A 49kg lead ball is dropped from the leaning tower of Pisa. The tower is 54 m high. (a) How far does the ball fall in the first 2.4 seconds of flight? (b) What is the speed of the ball after it has traveled 4.1 m downward? (c) What is the speed of the
asked on September 7, 2014 
Physics
How much energy (in MeV) is released in the reaction proton + deuteron goes to 3He + gamma? (You may ignore the initial kinetic energy of the reactants.) For the purposes of this problem, use the following masses (in MeV/c2): Proton: 938.783263054 Neutron:
asked on February 5, 2014 
Physics
How much energy (in MeV) is released in the reaction proton + deuteron goes to 3He + gamma? (You may ignore the initial kinetic energy of the reactants.) For the purposes of this problem, use the following masses (in MeV/c2): Proton: 938.783263054 Neutron:
asked on February 5, 2014 
Physics
Consider an interstellar spaceship powered by matterantimatter reactions. The energy resulting from the matterantimatter reactions is ejected from the exhaust as electromagnetic radiation producing thrust. The design goal is to have the thrust produce an
asked on February 5, 2014 
science
If your weight is 60 N on earths surface how far should you go from the centre of earth so that your weight will be 300 N ?(radius of earth is 4.4*10^6 m)
asked on March 18, 2013 
chemistry
How do you make 300 ml of a 2M solution from a 50 M stock solution?
asked on February 1, 2013 
Visual Basic intro to Programming
What is the difference between the If Then ElseIF clause and a Nested If Block? Please provide examples of how you would use each.
asked on January 17, 2013 
Physics
A 700 KG horse is pulling a sled at a velocity of 3.5 m/s. If the horse's power output is 746 watts, the force exerted on the sled is?
asked on December 6, 2012 
windows xp
David, a graphic designer working for a small Internet firm, wants to use his own legacy scanner with a new Windows XP Professional system. A Standard PC HAL was installed during the machine build process. David’s computer is a member of the corporate
asked on March 4, 2010 
Physics
A 0.25 mass is located on the outer edge of a wheel of radius 0.75 m that is turning at a rate of 2 revs/s. Determine the following: 1) The period of the mass 2) The angular speed of the mass in rad/s c) The tangential speed of the mass d) The centripetal
asked on December 13, 2009 
college
How will employees in the medical office have to be trained regarding privacy(for example, who is responsible for training and record keeping)? What is required if an employee doesnt follow the privacy policy? When must employees be trained? In what
asked on May 18, 2009

physics
What is sqrt
posted on January 4, 2020 
science
An empty density bottle weights 25g. When completely filled with water. It weighs 55g and when completely filled with a liquid. It weighs 52g. Calculate I. volume of the density bottle and II. density of liquid
posted on July 1, 2019 
Math (Please help ASAP!!)
I actually AGREE with Lynn. Even though Lynn guessed, her answer is actually CORRECT!!!!
posted on April 16, 2018 
Math
155
posted on January 13, 2018 
Chemistry to DrBob
calculate percentage of water in Na2co3 . H2O
posted on June 18, 2017 
Physics
a car with mass mass of 1875 is traveling along a countr
posted on June 24, 2016 
MATH Prob.
99degree
posted on April 21, 2016 
Math word problem
12 and a half
posted on May 21, 2015 
Math word problem
12
posted on May 21, 2015 
3rd grade
1529,tens 2,
posted on April 3, 2015 
Chemistry
How would i go about finding the theoretical yield of Fe3O4? Would I just plug in one of those numbers into the % yield equation?
posted on September 27, 2014 
maths
let the CP of the articles be 100 MP of the articles=100+20% of 100=120 total cpf x articles =100x Let No,of artiles be x SP of 3/5 of x=120 total SP of 3/5th articles=120*3/5*x=72x SP of remaining articles: Remaining aricles=13/5=2/5 SP of 2/5 of x=
posted on August 22, 2014 
Chem
Thank you. I was so confused on what to do.
posted on April 19, 2013 
chemistry
Thanks
posted on February 4, 2013 
Physics
This is the same question that HAS is using. I'm happy that I'm not the only one who needs help with it.
posted on January 21, 2013 
Geography.../what does this mean?
"the earth's physical landscape is the result of conflict between forces" explain what this means.
posted on October 7, 2012 
Economics
a) 1=8/2=1/3=6/4=19/5=21/6=21/7=19 maximizing profit is at a quantity of 5 or 6 b) MR: 0,8,8,8,8,8,8,8 MC: 1,1,1,2,6,8,10 Profit maximizing point at 6 because there MC equals MR. c) the firm is in a competitive industry because price stays the same
posted on November 6, 2011 
geometry
how di find perimeter of the triangle in terms of x one side is 5, secod side is 4x, and the third side is x3 will u please help me any one. thanks
posted on September 20, 2011 
Chemistry
i don't understand the P2 and T2 part with the STP
posted on March 6, 2008