Thursday
May 5, 2016

# Posts by Rikki

Total # Posts: 25

Chemistry
Identify the following chemical equations by type. 1. If an electric discharge produces 800 cm3 of ozone (O3), how many cm3 of oxygen (O2) are required? 3O2(g) ---> 2O3(g) 2. When 75.0 dm3 of O2 react with an excess of glucose (C6H12O2), according to the reaction below, ...
September 30, 2014

Physics
a) 500J b) 500J c) 500J d) 1:2
December 9, 2012

physics
A stationary mass of 10 kg disintegrates explosively, with the evolution of 4.2*10^5 J, into three parts, two having equal masses of 3 kg. These two masses move at right angles to each other. Calculate the speed of the third part.
January 16, 2012

maths
Solve the following differential equation: (1 + x)*(dy/dx) = y where y is a funtion of X solve by the following: A)series expansion B) elemantary method please show working
November 29, 2011

differential equations
Consider the 2nd order differential equation: x''(t)=-x-A(x^2-1)x'(t) x(0)= 0.5 x'0)= 0 ''= 2nd order,'= 1st order where A is a positive constant.As the value of A increases this equation becomes increasingly stiff. Convert this equation to two ...
November 16, 2011

mathematics integration
Perform a change of variable and integrate the following elliptical integral I = Square root [(1-x^2)*(2-x)] limits lower,-1 and upper +1 could you show working
November 2, 2011

Algebra
what is radical 72 expressed in simpilest radical form
June 1, 2010

english 4
I know I'm 6 years late... But the answer is "The audience knows that Antigone has buried him for religious, not political, reasons."
February 1, 2010

Math
2.3 litres is equal to how much millilitre.
October 14, 2008

Math
The homework is not mine...I am helping my 7 year old Niece to do her Math homework and just wanted to double check by getting a second opinion that the answer that we had both worked out is correct. I was not expecting anyone to do her homework...that would defeat the whole ...
October 14, 2008

Math
Share £2.oo exactly amongst 8 children, how much would each of them get.
October 14, 2008

Math
Find the cost of 100g of rice at 95p per Kilogram.
October 14, 2008

Math
Find the total of 3.7, 1.7, 0.8
October 14, 2008

MATH
How many grams are there in 2 1/4 Kilograms?
October 4, 2008

MATH
What is the average of 6cm, 9cm, 7cm and 10cm?
October 4, 2008

MATH
Please may I have the cost of 500g, thank you.
October 4, 2008

MATH
The price of fish is £6.40 per kilogram, what is the cost of 1 kilogram (500g)?
October 4, 2008

MATH
A train leaves at 17:50 at arrives at midnight, how long does the journey takes in hours and minutes?
October 4, 2008

math
a plank of wood is cut into 12 equal pieces what fraction of the plank is 7 pieces
October 2, 2008

bunissess
Wow people can be rude. I am in the same class - this student wants help on understanding each example not the answer. Our reading that is provided with us is not exactly what I would call clear explanations of each. It is just a lot of mumbo jumbo - Layman's terms is what...
September 16, 2008

wow... if this site isn;t a bunch of bs I don't know what is. "let me teach you on how to search the web" Yes... cause that might help with this question about BUSINESS - if you don;t know the answer or how to help just say you don;t know how to help.
August 7, 2008

mathematics
deduce the completed square form for the following 2x^2+16x-10
June 6, 2008

History
What exactly is "The Vietnam Syndrome" ? Thakns
October 24, 2007

Math
lim at x approaches negative infinity (sin^2x+cos^2x)
September 23, 2007

chemistry
write a balanced chemical equation for the reaction of aluminium selenide with water (to include physical states of reactants and products)to include brief decription of the strategy used and the sequence of partially balanced equations needed to reach final fully balaced ...
January 30, 2007

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