Friday
February 12, 2016

Posts by ANONYMOUS

Total # Posts: 91,652

Spanish
Would you use indicative or subjective in this sentence? Explain why? María prefiere que no _________________ (haber) mucha gente en la playa. (I think that you would use subjective because "haber" can count as a subjective change and it has a verb of influence)
November 14, 2015

Health
u stupid
November 14, 2015

physics
The AM frequencies of a radio dial range from 550 kHz, and the FM frequencies range of 88.0 MHz to MHz. all of these radio waves travel at a speed of 3.0x10^8 m/s, what are the wavelenght ranges of a.) the aM brand b.) FM brand
November 14, 2015

physics
A circular disk of 10cm radius is charged uniformly with a total charge of Q. Find the electric field intensity at a point 20cm away from the disk along its axis
November 14, 2015

literature
Whose account of climbing everest was more appealing to you
November 13, 2015

Math
let the 10 digit number be x let the one digit number be y x + y = 14 , y= 14 - x original number 10x + y reversed number 10y + x equation 10y +x = 10x +y +36 subsitute for y 10(14-x) + x = 10x +14 - x + 36 140 - 10x + x = 10x +14 - x + 36 x = 5 y = 14 - x y = 14 - 5 = 9 ...
November 13, 2015

Chemistry (Check)
Here is my work, I might have gotten the answers the wrong way. 6.3 mg / 1000 = .0063g 385 mL / 1000 = .385 L 25 degrees C + 273 = 298 K 11 Torr / 760 = .0145 atm .0145 atm x .385L = n (.08206 Latm/molK) 298K n = 2.28x10^-4 moles A. MM = .0063g / 2.28x10^-4mole = 27.597 g/mol ...
November 13, 2015

Chemistry (Check)
6.3 mg of a boron hydride is contained in a flask of 385 mL at 25. degrees C and a pressure of 11 Torr. A. determine the molar mass of the hydride. B. which of the following hydrides is contained in the flask, BH3, B2H6, or B4H10 A. MM = 27.597 g/mol B. B2H6
November 13, 2015

Chemistry
Density = 2.82 g/L
November 13, 2015

Chemistry
Calculate the density (g/L) of 478 mL of krypton at 47 degrees C and 671 mmHg. I wasn't sure about this one but I got: density = 2820 g/L with sig figs
November 13, 2015

Chemistry (Check)
A sample of helium has a volume of 521 cc at a pressure of 75 cmHg and a temperature of 18 degrees C. When the temperature is increased to 23 degrees C, what is the volume of the helium? Vf = .530 L
November 13, 2015

Children Development
Thanks for the help.
November 13, 2015

Children Development
At Erickson Autonomy Shame and Doubt stage how do parents hinder or promote a child development?
November 13, 2015

Chemistry (Check)
It does. Thank you so much for all your help.
November 13, 2015

Chemistry (Check)
Mine doesn't round up. What did I do wrong? 15.0 L 27 degrees C + 273 = 300K 900. mmHg / 760 mmHg = 1.18 atm 1.18 atm x 15.0 L = n (.08206 Latm / mol K) 300K n = .719 moles NH3 x (17.03056g / 1 moleNH3) = 12.2449 g NH3
November 13, 2015

Chemistry (Check)
Calculate the mass of 15.0 L of NH3 at 27 degrees C and 900 mmHg. Mass of NH3 = 12.2 g
November 13, 2015

Chemistry (Check)
A container holds 500. mL of CO2 at 20. degrees C and 742 Torr. What will be the volume of the CO2 if the pressure is increased to 795 Torr? Vf = .465 L
November 13, 2015

Chemistry
Given 300.0 mL of a gas at 17.0 degrees C. What is its volume at 10.0 degrees C? Vf = .293 L
November 13, 2015

Chemistry (Check)
A 30.0 L sample of nitrogen inside a rigid, metal container at 20.0 degrees C is placed inside an oven whose temperature is 50.0 degrees D. The pressure inside the container at 20.0 degrees C was at 3.00 atm. What is the pressure of the nitrogen after its temperature is ...
November 13, 2015

Chemistry (Check)
Yes, Liters. sorry
November 13, 2015

Chemistry (Check)
Chlorine gas, Cl2, is widely used to purify municipal water supplies and treat swimming pool waters. If it occupies 23.5 cm^3 at STP, what volume will it occupy at -270. degrees C and a pressure of 1520 Torr? Vf = 1.29 x 10^-4
November 13, 2015

Children Development
Thanks I really appreciate your help Reed. I find the person your walrusy king to be really rude toward me.
November 13, 2015

Children Development
I am sorry The question is question what was happening in your life at this stage? is Your walrusy king a tutor?
November 13, 2015

Children Development
What?
November 13, 2015

Children Development
I cannot figure of what means by what life experiences i had at trust vs.mistrust stage of life?
November 13, 2015

Chemistry (Check)
A sample of gas has a volume of 12.0 L and a pressure of 20kPa. If the pressure of gas is increased to 50 psi, what is the new volume of the gas? Vf = 6.96 L
November 13, 2015

Chemistry (Check)
Ok thanks!
November 13, 2015

Chemistry (Check)
This is my work: 985mLN / 1000 = .985 L 0.0 degrees C + 273 = 273 K 1.00x10^-6 mmHg / 760 mmHg = 1.32 atm 1.32 atm x .985 L = n ( .08206 Latm / molK)x273K n = .0580 moles x 6.022x10^23 = 3.50 x 10^23 molecules. Ok thanks
November 13, 2015

Chemistry (Check)
3.50x10^23 molecules
November 13, 2015

Chemistry (Check)
How many molecules are there in 985 mL of nitrogen at 0.0 degrees C and 1.00x10^-6 mmHg? 3.50 molecules
November 13, 2015

science plz help fast
1 at least one is helped in both cases
November 13, 2015

Chemistry (Check)
If a gas in a closed container is pressurized from 12 atm to 25 atm and tis original temperature was 32 degrees C, what would the final temperature of the gas be? Tf = 635 K
November 13, 2015

English
I can read it but only if someone is reading it out loud with me it helps me focuse on the story better and I can do better on my schoolwork. Thanks to both of you :)
November 13, 2015

English
I need either an audio for the book "Nethergrave" by Gloria Skurzynski or an extremely detailed summary please.
November 13, 2015

Math
25
November 13, 2015

Math
Can someone check my answers when a skydiver jumps from an airplane, the distance d in feet the diver falls in t seconds before opening the parachute is given by the formula d=16t2. the formula assumes that there is no air resistance. find the time it takes a skydiver to fall ...
November 13, 2015

Calculus 1
Reiny, Aren't we supposed to use distance formula for this though?
November 13, 2015

social studies PLEASE HELP
can someone actually help me??? (mrs sue)
November 13, 2015

social studies PLEASE HELP
which of the following is true of social classes? people in most societies cannot improve their status they are based mainly on age people can improve their status by getting a good education they are based mainly on gender im not sure what to even guess please help me
November 13, 2015

history
idk
November 13, 2015

Math
Need to find out how many answers I got correct out of 40 questions. I ended with a zero at the end .5 points were given fr the correct answer while 3oints were deducted or the wrong answer
November 13, 2015

Chemistry
Show that the reaction caco3 ->cao+co2 is not a redox reaction
November 13, 2015

Chemistry
Carbon disulfide (CS2) is useful, but flammable, solvent. Calculate DH for the following reaction. CS2(l) + 3O2(g) --> CO2(g) + 2SO2(g)
November 13, 2015

social
Gold
November 13, 2015

Math
Can someone check my answers when a skydiver jumps from an airplane, the distance d in feet the diver falls in t seconds before opening the parachute is given by the formula d=16t2. the formula assumes that there is no air resistance. find the time it takes a skydiver to fall ...
November 12, 2015

math
A chalk line is placed around the perimeter of the football field. What is the length in feet?
November 12, 2015

Chemistry
Use the following data 2C(s) + 4H2(g) --> C3H8(g) DH= -103.85 kJ/molrxn C(s) + O2(g) --> CO2(g) DH= -393.51 kJ/molrxn H2(g) + 1/2O2(g) --> H2O(g) DH= -241.82 kJ/molrxn to calculate the heat of combustion of propane, C3H8 C3H8(g) + 5O2(g) --3CO2(g) + 4H20(g)
November 12, 2015

Math
6 and 7, yes
November 12, 2015

Math
Check my answer? As estimate for square root 47 is between _____________ 1: 4 and 5 2: 5 and 6 3: 6 and 7 4: 7 and 8 Is the answer 6 and 7?
November 12, 2015

Chemistry
Predict the Order of increasing bond length for (i) H2(g) (ii) I2(g) (iii) F2(g) I don't know how I should know
November 12, 2015

Apology
I don't know how this got copied three times. Sorry
November 12, 2015

Chemistry
Predict whether each of the following reactions would be exothermic or endothermic. a. CO(g) --> C(g) + O(g) b. 2H(g) + O(g) --> H20(g) c. Na+(g) + Cl-(g) --> NaCl(s) What is the sign of DH in each of these reactions? Please explain. I am very confused. Thanks
November 12, 2015

Chemistry
Predict whether each of the following reactions would be exothermic or endothermic. a. CO(g) --> C(g) + O(g) b. 2H(g) + O(g) --> H20(g) c. Na+(g) + Cl-(g) --> NaCl(s) What is the sign of DH in each of these reactions? Please explain. I am very confused. Thanks
November 12, 2015

Chemistry
Predict whether each of the following reactions would be exothermic or endothermic. a. CO(g) --> C(g) + O(g) b. 2H(g) + O(g) --> H20(g) c. Na+(g) + Cl-(g) --> NaCl(s) What is the sign of DH in each of these reactions? Please explain. I am very confused. Thanks
November 12, 2015

Chemistry (Check)
In a calorimeter experiment done at constant pressure in which all the heat from a chemical reaction was absorbed by the surrounding water bath, the temperature of the water went up by 2.31 K. If the size of the water bath was 200 g, what was the amount of heat transferred to ...
November 12, 2015

Chemistry Lab Work Help!
We used a buret today, and I don't get how to calculate volume. I have an initial reading of 49.97 and a final buret reading of 30.49. How do I get the volume? I thought I just subtracted the final from the initial, but someone said their tutor told them to take 50-their ...
November 12, 2015

Chemistry
The reaction between hydrogen and oxygen to produce water gives off heat. What is the source of this heat? how could this heat be measure?
November 12, 2015

Social Studies
Why do you think Marie Antoinette's spending and lavish lifestyle angered the French?
November 12, 2015

Lang. Arts
Please.
November 12, 2015

Lang. Arts
Can you give me another sentence?
November 12, 2015

Lang. Arts
What is a sentence that uses Autograph?
November 12, 2015

Math
A 12 pack of cinnamon scented pencils sells for 3.00 at a school booster club sale. What is the sales tax rate if the total cost of the pencils is 3.21?
November 12, 2015

Energy science
The deepest well from which water can be pumped, by creating a vacuum on the top end of the pipe, is 10 m (34 ft). In drilling for oil, wells of a mile or more in depth have to be made. From this depth, how do you think the oil is recovered? .
November 12, 2015

Geography
Did the US send them to refugee camps?
November 12, 2015

Geography
None.
November 12, 2015

Geography
What is an alternative strategy the Haitian people could have done at Guantanamo bay instead of coming in as refugees
November 12, 2015

chemestry
what is the density f 8L of N2 at 25 degreese C at 760 mmhg?
November 12, 2015

accounting and finance
5. What are the proceeds If a company issues 10 year bonds with a face value of $10,000,000 in bonds with a coupon rate of 7% and a market rate of 7.5% paying interest payments semi annually. Will they sell at a premium or a discount?
November 12, 2015

accounting and finance
4. Dividends Per Share Scan Tech Inc., a developer of radiology equipment, has stock outstanding as follows: 24,000 shares of 2%preferred stock of $75 par, and 100,000 shares of $8 par common. During its first four years of operations, the following amounts were distributed as...
November 12, 2015

accounting and finance
3. Bond Price Walt Disney 7% bonds due in 2032 were recently selling for 149.01. Are the bonds selling at a premium or discount? Is the coupon rate higher or lower than the market rate? Will the proceeds from the bond be more or less than the face value?
November 12, 2015

Math
Forget about 9 and 10 my bad
November 12, 2015

Math
1. Write the following ratio in simplest form: 32 min:36 min 8:9 8:36 32:9 128:144 2. Marie saved $51. On Wednesday, she spent $8 of her savings. What ratio represents the portion of her total savings that she still has left? 43:8 8:51 43:51 59:51 3. The price of 8.4 ounces of...
November 12, 2015

accounting and finance
The dates of importance in connection with a cash dividend declared and paid of $375,000 on a corporation's common stock are June 6, July 15, and August 14, Match the dates to what they are called: Date of Record, Date of Declaration, Date of Payment
November 12, 2015

accounting and finance
1.Yukon Bike Corp. manufactures mountain bikes and distributes them through retail outlets in Canada, Montana, Idaho, Oregon, and Washington. Yukon Bike Corp. has declared the following annual dividends over a six-year period ending December 31 of each year: Year 1, $28,000; ...
November 12, 2015

Science
yay :D
November 12, 2015

Science
Yay, I got a 4/4 :D
November 12, 2015

Science
The geologic time scale originally ordered Earth's rocks by: A. absolute age B. relative age*** C. composition D. decades and centuries Where did scientists originally get their information to develop the geologic time scale? A. They collected and studied rock samples in ...
November 12, 2015

Maths
Show that -(x+5)^2-2 is always a negative Please help. Thankyou
November 12, 2015

mathematics
I don't know
November 12, 2015

Maths
My tutor gave it me
November 12, 2015

Maths
What is x^3-6x^2-x+30 divided by 4x-1? Please help x
November 12, 2015

math
an isolation triangle has a base of 6 units and a height of 12 units. find the maximum possible area for a rectangle that is inscribed in the triangle and has one side resting on the base of the triangle. what are the dimensions of the rectangle of maximum area?
November 12, 2015

Maths
What is x^3-2x^2+16 divided by x+2 Please help
November 12, 2015

math
In a basketball game, one team's score is two points less than half the other team's score, which is x. What is the difference in the scores?
November 12, 2015

Maths
Find the coordinates of intersection for the following of line and curve x^2+2y^2=36 x+y=6 I know I hav to do it simultaneously but Im struggling Please explain step by step so I know for future reference Thanks
November 12, 2015

Maths
(x-5)(x-3)>K Find all possible values of k
November 12, 2015

chem
4.25
November 12, 2015

Math
Jesse played two days of golf. On the second day, he got a score of 6 below par, or -6. His total for the two days was 0 above par, or 0. Define a variable. Then write and solve an equation to find the score Jesse got on the first day. Show your work.
November 12, 2015

Maths
Find the remainder when the function f(x)=x^3-6x^2-x+30 is divided by (4x-1)
November 12, 2015

math
According to Curcio and Schwartz, which of the following statements is true?
November 12, 2015

PHYSICS
A pitcher throws a curveball that reaches the catcher in 0.64 s. The ball curves because it is spinning at an average angular velocity of 350 rev/min (assumed constant) on its way to the catcher's mitt. What is the angular displacement of the baseball (in radians) as it ...
November 12, 2015

PHYSICS
John’s mass is 82.7 kg, and Barbara’s is 61.9 kg. He is standing on the x axis at xJ = +9.82 m, while she is standing on the x axis at xB = +4.83 m. They switch positions. How far and in which direction does their center of mass move as a result of the switch?
November 12, 2015

PHYSICS
Chapter 07, Problem 48 Two particles are moving along the x axis. Particle 1 has a mass m1 and a velocity v1 = +5.0 m/s. Particle 2 has a mass m2 and a velocity v2 = -7.9 m/s. The velocity of the center of mass of these two particles is zero. In other words, the center of mass...
November 12, 2015

PHYSICS
The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.0280 kg and is moving along the x axis with a velocity of +6.64 m/s. It makes a collision with puck B, which has a mass of 0.0560 kg and is initially at rest. The collision is not ...
November 12, 2015

PHYSICS
Batman (mass = 87.3 kg) jumps straight down from a bridge into a boat (mass = 680 kg) in which a criminal is fleeing. The velocity of the boat is initially +14.8 m/s. What is the velocity of the boat after Batman lands in it?
November 12, 2015

Maths
Factorise as a product of a linear and quadratic factor. (x+2) is a factor (X^3-2x^2+16)
November 12, 2015

More Civics
An amendment that fails to pass simply does not pass and does not become a part of the constitution. It may languish for a long time until enough states approve it, but if it's never approved or passed, it dies. A new amendment may be submitted at another time.
November 12, 2015

Math
Thank you!
November 12, 2015

Math
Suppose you are driving to visit a friend who lives far away. You are driving at an average rate of 55 miles per hour. You must drive a total of 295 miles. If you have already driven 20 miles, how long will it take you to reach your destination? A) 2 hours B) 5 hours* C) 3 ...
November 12, 2015

Math
Find the total amount saved on interest by refinancing
November 12, 2015

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