# Posts by sebastian

Total # Posts: 60

**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*

**Reading/Writing**

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*

**Reading/Writing**

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

*April 14, 2015*

**5th grade Math**

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*

**Reading**

it just in page balls

*September 16, 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**

My answer is Arthrocentesis?

*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*

**Computer Tech**

no

*February 28, 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*

**4th grade Math**

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**

125

*April 15, 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*

**4th grade**

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*

**Social Studies! Please asap.**

What were Rene Descartes greatest achievements

*October 9, 2008*

**math**

CAN A POLAR BEAR GO ON A SAFARI

*February 26, 2008*

**Science**

Explain why condensatin forms on a glass containing a cold drink. Only so much water vapor can be in the air at any temperature, and at cooler temps the air holds less. Air is very cold near the surface of the glass. hi plz help me i whant some information about teeth for my ...

*January 25, 2007*

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