Tuesday
December 6, 2016

# Posts by kaitlin

Total # Posts: 83

Physics
How many metric tons (1 metric ton = 10^3 kg) of H2O fell on a city? (1cm^3 of H2O has a mass of 1g = 10^-3 kg) Thus far I have: 10^-3 Kg x (1 metric ton/10^3) but I don't understand the significance of adding 1 cm^3 to the problem.
August 26, 2016

SS
Why did Thomas Paine write pamphlet 1. To support conquering the Native Americans***this one? 2. To argue that more land should go to France and Spain 3. To show that loyalty to the monarchy was wrong 4. To pledge his loyalty to the British government i'm not sure but I ...
August 20, 2016

chemistry
Determine delta G naught at 298.15K for a 0.50 V voltaic cell if n=3 for that cell.
April 18, 2016

Chemistry
Combine the Ksp and Kf equilibria for AgCl and Ag(NH3)2+ respectively and demonstrate Hess's law to determine the equilibrium constant for the dissolution of AgCl in NH3. AgCl + 2NH3 --> Ag(NH3)2 + Cl- K= (Ksp)(Kf) If there is only one mole of both AgCl and Ag(NH3)2, ...
April 8, 2016

Chemistry
If 34.3 mL of barium hydroxide are required to neutralize 15.9 mL of the acid, what is the molarity of the hydrochloric acid solution?
November 28, 2015

Chemistry
If 34.3 mL of barium hydroxide are required to neutralize 15.9 mL of the acid, what is the molarity of the hydrochloric acid solution?
November 28, 2015

Science study skills
I also need help on this one is it 2
August 25, 2015

1. Solve the system of equations by elimination.y=2x^2-2x-3 and y=-x^2-2x-3 2.The system of equations y=-5(x+4)^2-4 and y=8x^2+64x+124 has _____ solution(s). 3. Determine the value of k in y=kx^2-5x+2 that will result in the intersection of the line y=-3x+4 with the quadratic ...
June 18, 2015

maths
i am thinking of a number i multiply it by 8 and subtract 163 i would get the same answer if i multiply by 3 and subtract 13
April 6, 2015

Chemistry
Calculate the mass in grams of the undiluted bleach that was in the sample of bleach titrated. Given: Density of undiluted bleach unkown is 1.042 g/mL. 14.44 mL of .100 M Na2S2O3. .0537 grams of NaClO. Each sample should conain 1/5 of the original undiluted bleach. Since 5mL ...
October 26, 2014

chemistry
Consider the equation 2kclo3(s) -> 2kcl(s)-1302(g). 3.00-g sample kclo2 is decomposed and the oxygen at 24.0 and 0.982 its either, 911, 304, or 608
June 10, 2014

science
What the heck is wrong with you girls? If they were real famous people, wouldn't they be doing this on facebook or something? And this is a learning site, not a chat.
May 14, 2014

chemistry
Determine ΔSuniv for the following equation: Ca2+ (aq) + SO42- (aq) → CaSO4 (s)
April 15, 2014

physics
What linear speed must a 4.0×10−2kg hula hoop have if its total kinetic energy is to be 0.20J ? Assume the hoop rolls on the ground without slipping.
October 29, 2013

COMMON CORE MATH
SIMPLIFY THE EXPRESSION 12R + 5 + 3R - 5
October 11, 2013

COMMON CORE MATH
SIMPLIFY THIS EXPRESSION -6K + 7K
October 11, 2013

MATH:( Base systems?!
2. Determine the base- five representations for each of the given numbers. Remember that a numeral with no subscript is understood to be n base ten. a.47 b. 179 c. 354
July 9, 2013

math
Can someone help me with this question i've spent hours on it!!:( 6. Eight square tiles are laid out on a table so that they make a solid pattern. Each tile must touch at least one other tile along an entire edge. The squares all have sides of length 1. Here is an example...
July 9, 2013

algebra
t can not equal positive 6.
January 30, 2013

Chemistry
Determine the partial pressure of oxygen collected by water displacement if the water temperature is 20.0 ◦ C and the total pressure of the gases in the collection bottle is 760 torr. PH2O at 20.0 ◦ C is equal to 17.5 torr.
January 28, 2013

Physics
A compact 60-kg object is attached to one end of horizontal 40-kg uniform steel tube 2.4m long. What is the distance from the loaded end to the center of gravity of the object-tube system?
December 7, 2012

Physics
When a mass of 28 g is attached to a certain spring, it makes 17 complete vibrations in 3.0 s. What is the spring constant of the spring? Answer in units of N/m
November 26, 2012

History
character sketch of a fictional Puritan named Justice Johnson about the Puritans. how he dresses, how he lives, what he believes, how he spends his time--in short, describe him so that a stranger, who knows nothing about Puritanism, would recognize him
November 16, 2012

Chemistry
For the following reaction, 3.93 grams of carbon tetrachloride are mixed with excess methane (CH4). The reaction yields 4.10 grams of dichloromethane (CH2Cl2). methane (CH4) (g) + carbon tetrachloride (g) dichloromethane (CH2Cl2) (g) What is the theoretical yield of ...
October 23, 2012

Chemistry
What volume of a 0.332 M hydrobromic acid solution is required to neutralize 29.6 mL of a 0.155 M calcium hydroxide solution ?
October 22, 2012

chemistry
How many grams of solid potassium hydroxide are needed to exactly neutralize 10.8 mL of a 1.25 M hydrobromic acid solution
October 22, 2012

Chemistry
According to the following reaction, how many grams of nitrogen gas will be formed upon the complete reaction of 22.2 grams of hydrogen gas with excess nitrogen monoxide? nitrogen monoxide (g) + hydrogen (g) nitrogen (g) + water (l)
October 16, 2012

Average Value - Calculus
What is the average value of y for the part of the curve y = 4x − x^3 that is in the first quadrant?
June 5, 2012

geometry
what happens when you put 7 over x and 9 and 11????????:)
February 8, 2012

Explain how you could determine whether the seeds in a packet of round pea seeds have the genotype Rr or RR, in which R represents round seeds and r represents wrinkled seeds?
October 6, 2011

Life Science 6th grade
Explain how you could determine whether the seeds in a packet of round pea seeds have the genotype Rr or RR, in which R represents round seeds and r represents wrinkled seeds?
October 6, 2011

Chemistry
The volume of a sample of oxygen is 300.0mL when the pressure is 1.00 atm and the temperature is 27.0 degrees C. At what temperature is the volume 1.00 L and the pressure 0.500 atm?
May 31, 2011

Integrated Physics and Chemistry
Which of the following forms of energy transfer can occur in a vacuum? A) conduction B) convection C) radiation D) all of the above Can I get some help on this one too, please?
March 21, 2011

Integrated Physics and Chemistry
Thanks to both of you (:
March 21, 2011

Integrated Physics and Chemistry
Okay. Thank you for the help (:
March 21, 2011

Integrated Physics and Chemistry
So the gold sample will experience a greater increase in temperature?
March 21, 2011

Integrated Physics and Chemistry
A 5.0-gram sample of gold and a 5.0-gram sample of iron both absorb exactly 25 calories of energy. The specific heat of gold is 0.03 cal/g°C. The specific heat of iron is 0.11 cal/g°C. Which of the following statements is true? A) The gold sample will experience a ...
March 21, 2011

Geography/History
Okay. Thank you. And I know, I just don't think I've been keeping that in mind.
March 9, 2011

Geography/History
I'm doing an alternate test on Sub-Saharan Africa, and Africa. I cant find all the answers in the book, and i can't find a good website. Can someone help me find a good website for Sub-Saharan Africa?
March 9, 2011

Geography/History
Okay. thank you (:
March 9, 2011

Geography/History
Which of the countries listed below receives the most rainfall? A) Somalia B) Namibia C) Democratic Republic of Congo D) Central African Republic I cant find the answer to this anywhere, can someone help?
March 9, 2011

Geography/History
Oh okay. Thank you, Ms. Sue (:
March 7, 2011

Geography/History
uhm. No they don't have to be in order. I didn't know there was an order for them to go in
March 7, 2011

Geography/History
cost and raw water quality?
March 7, 2011

Geography/History
These factors hinder water quality improvement in Eastern Europe. 1) carbon credits 2) cost 3) outdated systems 4) raw water quality 5) unskilled employees Can someone help, please?
March 7, 2011

IPC
The specific heat capacity of aluminum is 0.22 cal/g°C. How much energy needs to flow into 20.0 grams of aluminum to change its temperature by 15°C? How do i set this problem up to solve it?
February 24, 2011

geometry
how do you exolain logic with converse, inverse, and contrapositive.
January 23, 2011

PHYSICS
use the formula F=(G(m1)(m2))/r^2 G=universal gravitational constant= 6.67x10^-11 N m^2/kg^2 F=9.8 N (given) m1=1.0 kg (given) m2=mass of earth (variable) r=6.4x10^6 m (given) 9.8 N=((6.67x10^-11 N m^2/kg^2)(1.0 kg)(m2))/(6.4x10^6 m) x=6.02x10^24 kg
December 8, 2010

chemistry
a 30. L sample of gas exerts 200. mm Hg pressure at 10 degrees C. What volume does the gas have at 300. mm Hg and 25 degrees C?
November 12, 2010

chemistry
a 30. L sample of gas exerts 200. mm Hg pressure at 10 degrees C. What volume does the gas have at 300. mm Hg and 25 degrees C?
November 11, 2010

IPC
Element A and element B have bonded and formed compound AB. Which of the following statements is true? A) Compound AB has chemical and physical properties that are completely different from those of A and B. B) Compound AB has chemical and physical properties that are a blend ...
November 4, 2010

IPC
Oh okay. Thank you bunches! (:
October 19, 2010

IPC
What is the change of phase from a solid to a gas? I know, liquid to gas is evaporation. So what if it skips the liquid part? Help?
October 19, 2010

english
I'm pretty sure it would be A. Ha, I'm sitting behind you! :D
October 19, 2010

History/Geography
Wait... what do you mean Iran may have some "designs" on Jordan?
October 15, 2010

History/Geography
Thank you. Very much
October 15, 2010

History/Geography
ahh okay. I understand that. I like the way you put it better than the way my teacher did. Thank you.
October 15, 2010

History/Geography
Essay question: Choose an article reporting on a site where a conflict is likely to occur in the future. Summarize the article and discuss what role, if any, culture will play in the situation. How am I supposed to write about something that MIGHT happen in the future?! I'...
October 15, 2010

THE PARTS OF SPEECH
In the following sentence, identify the part of speech of the italicized word. Thousands of years ago, fish were caught in nets and traps.
October 10, 2010

1,750 meters, since you're hearing the echo, and the ehco is twice the distance. So, you'd take 350 * 10 / 2 or just 350 * 5.
September 28, 2010

Algerba 2
Find H(-2)if H(x)=xto the third + 1
September 21, 2010

geometry
The area of the larger of two similar polygons is 729 square centimeters. If the scale factor of their perimeters is 2:3 what is the area of the smaller polygon?
August 5, 2010

math
4x^2+4x=3 solve by completing the square
December 4, 2009

math
2x^2+x-28=0 Solve by completing the square
December 3, 2009

English
can you give 5 points of society's role in music? painting?
October 21, 2009

math
17000 times a day, 1062.5 times an hour, 17.7 times a minute
October 12, 2008

Social Studies
Through which four South American countries does the 20 degrees South line of latitude pass
September 23, 2008

ecology
What four things vary the size of biological populations?
September 22, 2008

social studies
the name for topographical landforms that include mountains,hills, plateaus,etc is called?
August 31, 2008

social studies
the applacian mountains run from what to maine
August 31, 2008

social studies
the usa is made up of how many geographical regions?
August 31, 2008

social studies
people visit america to see its what?
August 31, 2008

social studies
thank you so much
August 31, 2008

social studies
what is the area stretching from new mexico to washington?
August 31, 2008

Calculus
Y=-13+18
November 18, 2007

American republic
What was the main difference between hessian soldiers and patriots?
September 24, 2007

Algebra 2
What is -5 square roots of 1?? thank you!! :) -1 sqrt (1) is 1. -5*1 = -5
May 2, 2007

Earth Science
A region of ocean water having the same temperature and salinity throughout is what??
January 31, 2007

Science
Chemistry: What is the general formula for a chemical reaction? reactants >> products
November 5, 2006

help
The CN Tower is 553m high. A person in a boat on Lake Ontario, at a point B due south of the tower, observes the top (T) of the tower at an angle of elevation of 8 degrees. At the same time, another person, at a point C on a bearing {S 85 degrees E } from the towerobserves an ...
September 26, 2006

MATH!!!!
The CN Tower is 553m high. A person in a boat on Lake Ontario, at a point B due south of the tower, observes the top (T) of the tower at an angle of elevation of 8 degrees. At the same time, another person, at a point C on a bearing {S 85 degrees E } from the towerobserves an ...
September 26, 2006

Discrete..HELP!!!
how do you solve this..I have idea even where to begin. If |x| = 11 and |y| = 23 and | x - y| = 30, find |x + y| We're asked: If |x| = 11 and |y| = 23 and | x - y| = 30, find |x + y| From this, |x| = 11, we know x=11 or -11 From this, |y| = 23 we know y=23 or -23 However, ...
September 25, 2006

math
i don't get problems like y=-2x. and y=3x-1 what is 15.02499 rounded to the nearest tenth what is 15.02499 rounded to the nearest tenth Oh geez, it's been a whole summer since I tried this. But if I'm not mistaken isn't it 15.0 ? Please correct me anyone if I ...
August 30, 2006

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