# Posts by sebastian

Total # Posts: 61

**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...

**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...

**Social studies (Help)**

ciel phantomhive! what are you doing here?

**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?

**Science**

I believe C is the right answer

**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

**Reading/Writing**

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

**Reading/Writing**

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

**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?

**chemistry**

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

**Physics**

0

**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?

**Science**

1. What is the momentum of a 20.0kg scooter traveling at 5.00 m/s?

**Science-3 questions.**

Hot and dry climates

**Reading**

it just in page balls

**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.

**geometry**

33.35

**Math**

graph the points. Plot C-values on the x-axis and F-values on the y-axis. connect the points with a line

**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?

**math**

40 feet of fencing

**math**

hello i need help for derivate this function: x+1+1/(x+2) thanks for your help

**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 ...

**medical terminology**

My answer is Arthrocentesis?

**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 ...

**Translation**

It is pre-cal

**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').

**GEOMETRY**

DRAW A ACUTE ANGLE.Label the vertex point g and sides gh and gk.

**calculus**

Oh sorry it's not x + (1/m) - m but x + (1/x) - m

**calculus**

x + (1/m) - m

**calculus**

1] Reducing the Denominator: x + 1/m -m. 2] Factor the numerator.

**math**

Oh sorry it's not x + (1/m) - m but x + (1/x) - m

**math**

after this u know how factor the numerator ?

**math**

Reducing to the Least Common Denominator: x + 1/m -m.

**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?

**math - logs**

2 ln (x) = ln (20-x)

**4th grade Math**

I need an image of 18 changed over to tens

**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 ...

**math**

125

**Math**

Check all that apply5/3 is the reference angle for: 2pi/3 15pi/3 7pi/3 19pi/3

**physics**

150

**calculus**

what is the value of y in the equation (y/(2y-x))=0.5

**Math**

Make up set Set of7 numbers having this landmarks mode21. Median24 maximum 35 range 20

**4th grade**

135 and 9

**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 ...

**chemistry**

what two kinds of heat changes water's form?

**Informal english**

No this is a informal task the other was a formal one :-D

**Informal english**

informal

**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. ...

**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

**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 ...

**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

**math**

3x+4y=48

**science**

source of energy of oil, coal, natural gas, nuclear, water

**social studies**

what were thomas hobbes 3 mathematical achievements

**math**

what is Quadratura circuli, Cubatio sphaerae, and Duplicitio cubii.

**math**

what is Quadratura circuli, Cubatio sphaerae, and Duplicitio cubii.

**social studies**

What was Quadratura circuli, Cubatio sphaerae, and Duplicitio cubii.

**Social Studies! Please asap.**

What were Rene Descartes greatest achievements

**math**

CAN A POLAR BEAR GO ON A SAFARI

**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 ...

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