Friday
December 9, 2016

# Posts by sebastian

Total # Posts: 59

Science (Chemistry)
"Calculate the amount of heat (kcal) released when 18.0 g (grams) of steam are condensed at 100.0 C and the resulting water is frozen and cooled to 25.0 C." The only problem that I'm having is the amount of physical and temperature changes that there are. I'm...
October 10, 2016

Science (Chemistry)
"Calculate the amount of heat (kcal) released when 18.0 g (grams) of steam are condensed at 100.0 C and the resulting water is frozen and cooled to 25.0 C." The only problem that I'm having is the amount of physical and temperature changes that there are. I'm...
October 10, 2016

Math
20% of the children in sport club play tennis 25% of the children who play tennis also play rounder there are 8 children in the club who play both tennis and rounder how many children are there in the sport club together?
March 14, 2016

Science
I believe C is the right answer
February 8, 2016

math
my thousands digit is 2 times my hundreds digit. the sum of my tens digi t and my ones digit is 2 less than my thousands digit. my hundreds digit is 1 less than my tens digit
January 20, 2016

Having to do a Research Report: Theme: animal adaptations.I have no clue where or how to start. Need a bibliography. What?
April 14, 2015

Have to do Research Report, theme: animal adaptations. I have no clue where to start.Asking for Bibliography? What?
April 14, 2015

4 x blank is greater than 12 but less than 16. Answers can be in mixed fractions and/or improper fraction. Can someone please explain how to do this?
March 11, 2015

chemistry
how many moles of hydroxide ions will be needed to react with all of the acidic hydrogens in 0.6500g of KHP?
February 24, 2015

Chem
3.297 g of a substance (containing only C, H, and O) is burned in a combustion analysis apparatus. The mass of CO2 produced is 3.626 g, and the mass of H2O produced is 9.897×10-1 g. What is the empirical formula of the compound?
October 1, 2014

Science
1. What is the momentum of a 20.0kg scooter traveling at 5.00 m/s?
March 20, 2014

Science-3 questions.
Hot and dry climates
December 11, 2013

Geometry
The running track at the right is a rectangle with a half circle on each end. FI and GH are diameters. Find the area insidevthevtrack to the nearest tenth.
September 15, 2013

geometry
33.35
July 8, 2013

Math
graph the points. Plot C-values on the x-axis and F-values on the y-axis. connect the points with a line
May 18, 2013

Science
An unknown substance has a volume of 25 mL. It is placed into a different container and its volume changes to 50 mL. What happened? Is it a change in state?
January 29, 2013

math
40 feet of fencing
September 19, 2012

math
hello i need help for derivate this function: x+1+1/(x+2) thanks for your help
April 18, 2012

Math. Explain
From the digits 1, 2, 3, and 4, how many positive integers are less than 100,000? Consider the possibilities for 5-digit, 4-digit, 3-digit, 2-digit, and 1-digit numbers and repetition of digits. 1,364 1,024 256 A telephone dial has holes numbered from 0 to 9 inclusive, and ...
March 26, 2012

medical terminology
March 26, 2012

Pre-Cal
A telephone dial has holes numbered from 0 to 9 inclusive, and eight of these holes are also lettered. How many different telephone numbers are possible with this dial, if each "number" consists of two letters followed by five numbers, where the first number is not ...
March 26, 2012

Translation
It is pre-cal
March 23, 2012

Translation
Translate the point (5, 5) to the new origin given (h, k). Given center (h, k) = (- 3, - 3), find point (x', y'). Translate the point (- 8, - 8) to the new origin given (h,k). Given center (h,k) = (- 3, - 3), find point ( x', y').
March 23, 2012

GEOMETRY
DRAW A ACUTE ANGLE.Label the vertex point g and sides gh and gk.
February 6, 2012

calculus
Oh sorry it's not x + (1/m) - m but x + (1/x) - m
December 28, 2011

calculus
x + (1/m) - m
December 28, 2011

calculus
1] Reducing the Denominator: x + 1/m -m. 2] Factor the numerator.
December 28, 2011

math
Oh sorry it's not x + (1/m) - m but x + (1/x) - m
December 28, 2011

math
after this u know how factor the numerator ?
December 28, 2011

math
Reducing to the Least Common Denominator: x + 1/m -m.
December 28, 2011

physics
A draft horse exerts a horizontal force of 600 N dragging a log, on which the force of friction is 500 N. The force due to gravity on the log is 700 N and the ground exerts an upward force of 700 N on it. What is the net force acting on the log?
November 12, 2011

math - logs
2 ln (x) = ln (20-x)
October 31, 2011

I need an image of 18 changed over to tens
September 28, 2011

Physichs
A pedestrian is running at his maximum speed of 6.0m/s to catch a bus stopped by a traffic light. When he is 25m away from the bus the light changes and the bus accelerates uniformly at 1.0m/s^2. Find either (a) how far he has to run to catch the bus or (b) his frustration ...
September 18, 2011

Math
Check all that apply5/3 is the reference angle for: 2pi/3 15pi/3 7pi/3 19pi/3
March 23, 2011

calculus
what is the value of y in the equation (y/(2y-x))=0.5
January 24, 2011

Math
Make up set Set of7 numbers having this landmarks mode21. Median24 maximum 35 range 20
December 17, 2010

135 and 9
November 16, 2010

management 330
1. How do strategic, operational, and tactical planning differ? How might the three levels complement one another in an organization? 2. Define corporate social responsibility. What are the arguments for and against the concept of corporate social responsibility? Where do you ...
October 27, 2010

chemistry
what two kinds of heat changes water's form?
June 13, 2010

Informal english
No this is a informal task the other was a formal one :-D
October 19, 2009

Informal english
informal
October 19, 2009

Informal english
Hello, I am from Norway 16 years old, i wonder if this text is enough informal. If not how can I make it more informal. Thanks in advance :-D I thought rather that the farmers should protect their animals, we do not need the wolves, they are not useful for anything. ...
October 19, 2009

English
"I'm not sure what you want to say about the butcher = does the butcher worry about the sheep?" I want to say that the FSA will stop the butcher doing what he do if he harass the animals. Thanks for helping me :-D
October 19, 2009

English
Hello, I am from Norway, I am not good in english and I hope someone could help me with this text. I should write about if the wolves should live or not. A letter to the editor. Here is what i've writen so far. PS, it must be in formal english. I wonder if someone could ...
October 19, 2009

math
Sue is able to make six beaded bracelets each month. If Sue begings on January 1st, how many bracelets will she be able to finish in time for the craft sale on May 2nd? What strategy might work to solve this problem
September 17, 2009

math
3x+4y=48
September 17, 2009

science
source of energy of oil, coal, natural gas, nuclear, water
January 12, 2009

social studies
what were thomas hobbes 3 mathematical achievements
October 9, 2008

math
what is Quadratura circuli, Cubatio sphaerae, and Duplicitio cubii.
October 9, 2008

math
what is Quadratura circuli, Cubatio sphaerae, and Duplicitio cubii.
October 9, 2008

social studies
What was Quadratura circuli, Cubatio sphaerae, and Duplicitio cubii.
October 9, 2008