Saturday

November 28, 2015
Total # Posts: 88,430

**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**

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*

**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*

**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*

**physical science**

Memo of physical science question 7 November 2014 grade 11
*November 12, 2015*

**Maths**

By completing the square show that f(x)=0 has only 1 root F(x)=x^3-2x^2-16
*November 12, 2015*

**Maths**

Line l is y=2x-3 Curve c is y=(x+2)(x-4) What are the coordinates for the line and the curve? Thankyou
*November 12, 2015*

**Maths**

A) Express 10x-x^2-27 in form -(m-x)^2 +n B) Hence show that 10x-x^2-27 is always negative Thankyou
*November 12, 2015*

**Mechanical Engineering**

a string ABCD is attached to two fixed points A and D, has two equal weights of 1000N attached to it at B and C. the weight rest with portions AB and CD inclined at angles of 30 degrees and 60 degrees respectively to the vertical. find the tension in portions AB, BC and CD if ...
*November 12, 2015*

**Maths**

Rewrite in form of ax^3+bx^2+cx+d (x-1)(x^2+x+1)=2x^2-17 I got x^3-2x^2-18 Is this correct? I am also then asked to show that (x+2) is a factor of the above polynomial. Thanks
*November 12, 2015*

**business math and statistics**

in the formula for calculating present value the letter R represent the
*November 11, 2015*

**chem**

You mix 5.32 g of solid magnesium sulfate with 105.24 g of water inside a calorimeter. As the magnesium sulfate dissolves, the temperature of the solution rises from 24.5°C to 30.1°C. Calculate the amount of energy in kJ that was transferred into the surroundings ...
*November 11, 2015*

**English**

Thanks Reed and sorry I didn't add the authors but yes those are the stories I am comparing, I only need to compare them because I already wrote their differences I was having trouble thinking of things that they have in common but I got it. Thanks though :)
*November 11, 2015*

**English (correction)**

oh gosh I wrote the wring thing I need to compare them sorry
*November 11, 2015*

**English**

I need help contrasting to stories call "The Secret Life of Walter Mitty" and "Nethergrave" please. :)
*November 11, 2015*

**Math**

Post a New QuestionCurrent Questions Homework Help: Math Posted by Anonymous on Wednesday, November 11, 2015 at 7:08pm. 3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number**** A whole number a radical 4.Mrs. Clarkson designed a ...
*November 11, 2015*

**Children Development**

So it good to go?
*November 11, 2015*