Monday

September 26, 2016
Total # Posts: 3,372

**CHM 101**

The food dyes contain propylene glycol in addition to the dyes and water. The candy shells contain sucrose, corn syrup, corn starch and gum acacia. Do you think this affects the movement of the dyes on the chromatography paper?

*March 12, 2011*

**chemistry**

Calculate the mass of kl in grams required to prepare 5.00x10power 2mL of 2.80M solution

*March 11, 2011*

**English, please help**

Hello, i just wanted to first ask is this free>?

*March 9, 2011*

**organic bio chemistry**

how many mL of a 0.20M KOH solution is needed to neutralize 25 mL of 0.25 M H2SO4?

*March 8, 2011*

**Scocial Studies**

Who was the leader of China during WW2?

*March 8, 2011*

**Chemistry**

how much sulfur dioxide is needed to decrease the pH of 1L of water from 9.8 to 8.0?

*March 8, 2011*

**Science**

What is a Wordsplash?

*March 5, 2011*

**math**

Complete the following: (2 points per answer) Celestial Body Equatorial Diameter (km) Scientific Notation Earth 12,700 Moon 3.48 X 103 Sun 1,390,000 Jupiter 1.34 X 105 Mercury 4800 2. Theater ticket prices (in dollars) x years after 1997 are described by the polynomial -0....

*March 4, 2011*

**Chemistry**

1.278 mL of water at 10°C was placed in a 3.0 L container that was sealed and evacuated. Then, 3440 J of heat was added to the water. Determine the pressure inside the container after heating. (Assume all of the heat goes into the water.) d (H2O(s)) 1.00 g/cm3 Csp(H2O(s)) ...

*March 3, 2011*

**Psychology**

?? plz

*March 2, 2011*

**Psychology**

"It all happened for the best," "I would never have left that dreadful job if they had not laid me off," and "Yes, I miss mom's home cooking, but I am going to school and building my future." These are examples of: (Points: 5) avoidant coping...

*March 2, 2011*

**chemistry**

no its Charles' Law

*March 2, 2011*

**chemistry**

A high-altitude balloon contains 97.5 L of helium gas at 95.8 kPa. What is the volume when the balloon rises to an altitude where the pressure is only 21.5 kPa? (Assume that the temperature remains constant.)

*March 2, 2011*

**geometry**

A right triangle because 6^2 + 8^2 = 100 and the square root of 100 is 10 :)

*March 2, 2011*

**Calculus**

find the inflection points of x^4+5x^3-9x^2+6

*February 28, 2011*

**chemistry**

It's supposed to be 105 mL of H2O. SH of water: 4.18 J/g deg C SH of steel: 0.452 J/g deg C

*February 26, 2011*

**3rd grade math**

Ramon weighs 46 kilograms. Trentweighs 37,000 grams. Who weighs more<

*February 24, 2011*

**Chemistry**

How many moles are there in 80.0g of C2H5Cl? leave answer in significant figures. please help and explain how to get the answer.

*February 23, 2011*

**Psychology**

I thinks its A

*February 23, 2011*

**Psychology**

Evaluations of a particular belief, person, object, or idea describe a person’s: (Points: 5) attitudes. motivation. predispositions. biases. was thinking D im not sure can someone help please?

*February 23, 2011*

**Calculus**

Find the tangent approximation for sqrt(5+x) near 3

*February 23, 2011*

**Psychology**

thank you very much

*February 23, 2011*

**Psychology**

Carl Jung’s idea of the collective unconscious states that we share: (Points: 5) inherited universal ideas, wishes, and memories. common learning experiences in childhood or infancy. tendencies to sacrifice ourselves individually for the group. ideas that arise from, and ...

*February 23, 2011*

**accounting**

a mutual fund has total assets of $57000000 and liabilities of $ 8550000. if 15960000 shares are outstanding, what is the net asset value of the fund?

*February 23, 2011*

**Calculus**

Find the slope of the tangent line to the ellipse (x^2)/4 + (y^2)/9 = 1 at the point (x,y)

*February 23, 2011*

**Calc**

find the slope of the tangent to the curve: y^2=x^3/xy

*February 22, 2011*

**Psychology**

ok thanks

*February 22, 2011*

**Psychology**

can i get some help please?

*February 22, 2011*

**Psychology**

"I just can't make myself study ahead for a test. I work better under pressure. Perhaps it is the fear associated with waiting until the last minute that gets me going." This approach to motivation is best explained by: (Points: 5) incentive approaches. drive-...

*February 22, 2011*

**maths**

Michelle is making a scale drawing of a building. The scale for the drawing is 1 inch = 6 feet. The height of the building in the drawing is 7 1/4 inches. Determine the height of the actual building.

*February 18, 2011*

**Math**

Joe has a collection of nickels and dimes that is worth $6.05 if the number of dimes was double and the number of nickels was decreased by 10 the value of the coins would be $9.85 how many nickels and dimes does he have?

*February 16, 2011*

**algebra**

Solve using qaudractic formula.Then use a calculator to approximate to three decimal places, the solution as rational numbers. X^2-4x+1=0

*February 15, 2011*

**algebra**

Solve using qaudractic formula.Then use a calculator to approximate to three decimal places, the onlution as rational numbers. X^2-4x+1=0

*February 15, 2011*

**Physics**

You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into fixed, massive barriers at 56 km/h (35mph ). A new model of mass 1900 kg takes 0.15 s from the time of impact until it is brought to rest. 1. Calculate ...

*February 14, 2011*

**A U**

Answers: 1:4 2:4 3:4 4:2 5:1 6:3 7:4 8:4 9:1 10:4 11:3 12:1 13:2 14:4 15:3 16:2 17:3 18:3 19:4 20:3 21:1 22:2 23:2 24:3 25:2

*February 13, 2011*

**A U**

<11{1[4(17)17]}> Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed ...

*February 13, 2011*

**algebra**

completetly factors the followin expression 4a^2-12ab+9b^2

*February 13, 2011*

**statistics**

It is well known that the heights of individual American men are normally distributed with mean 70 inches and standard deviation 2.8 inches. The Central Limit Theorem states that if n men are randomly chosen, then their average height will also be normally distributed with ...

*February 13, 2011*

**chem**

which of the following is insoluble (1)calcium chloride (2)ammonium phosphate (3)barium sulfate (4)potassium chromate

*February 10, 2011*

**Geometry**

If the perimeter of the first triangle is 21 m, what is the perimeter of the second?

*February 10, 2011*

**Science**

in a true solution, the dissolved particles (1)are visible to the eye (2)will settle out on standing (3)are always solids (4)cannot be removed by filtration

*February 8, 2011*

**Math**

The following is a list of 11 measurements: -2,82,87,-1,-51,-2,53,87,-20,32,35 Suppose that these 11 measurements are respectively labeled . (Thus, is labeled , is labeled , and so on.) Round your answer to at least two decimal places.

*February 8, 2011*

**pre-algebra-is my answer right**

Today only, a desk is being sold at a 27% discount. The sale price is $219.00 . What was the price yesterday? Is it $300.00

*February 8, 2011*

**Thanks**

Thank You

*February 8, 2011*

**pre-algebra-is my answer right**

Graph -3x+4 My points are at (0,4) and (1,1)

*February 8, 2011*

**statisics**

A man rolls an ordinary die 6 times. What is the probability that he gets at least 5 threes? Round your answer to four decimal places.

*February 7, 2011*

**statisics**

I got 0.0001500

*February 7, 2011*

**statisics**

A man rolls an ordinary die 6 times. What is the probability that he gets at least 5 threes? Round your answer to four decimal places.

*February 7, 2011*

**Algebra**

Divide: (-8y^7x+15y^7x^6)/(-2y^2x^5) I got y^5(-8+15x^5)/-2x^4 It won't let me add parens. in the answer any suggestions. It does say simplify your answer as much as possible.

*February 5, 2011*

**intermediate algebra**

I got -y^5(15x^5-18)/2x^4 Is that right?

*February 5, 2011*

**intermediate algebra**

Divide: (-8y^7x+15y^7x^6)/(-2y^2x^5)

*February 5, 2011*

**intermediate algebra**

I got 20sqrt(2)-6sqrt(5)-2sqrt(10)+3

*February 5, 2011*

**intermediate algebra**

Multiply (2sqrt5 -1)(2sqrt10 -3)

*February 5, 2011*

**Algebra**

Find the slope of points (-2,2) and (2,1)

*February 5, 2011*

**Algebra**

thanks for the clarification I forgot to bring the 4 out as a 2

*February 5, 2011*

**Algebra**

Rewrite the following in simplified radical form. (sqrt24w^8) I got 4w^2sqrt6w is that right?

*February 5, 2011*

**Algebra- is my answer right**

I think it has to be written as m<= 80

*February 5, 2011*

**Chemistry**

what is the percent by mass of oxygen in propanal, CH3CH2CHO? the answer is 27.6 %. but i need to know why, please help !

*February 2, 2011*

**algebra**

list the terms, coeffcients, and degree of the following polynomial:x^4+6x^3-x+3/4

*February 2, 2011*

**algebra**

state the degree of the following polynomial : 2x^3y+7xy-9y

*February 2, 2011*

**algebra**

Bob's Barber shop estimates their gross revenue for the second qaurter to be given by the polynomial 9x^3+4x^2-6x+9. The shop estimates their costs for that quarter to be given by 7x^2+2x+1. For the second qauter,find and simplify a polynomial that will represent their profit

*February 2, 2011*

**Math**

These triangles: 4,4,7 4,5,6 5,5,5 7,7,1 6,6,3 2,6,7 3,5,7

*February 2, 2011*

**math**

prime factorization of 980

*February 2, 2011*

**math**

5/7- 1/2 (1/3 + 3/7)

*February 1, 2011*

**algebra 1a**

Can you show me the step by step to solve -3(4y-2)<30?

*January 30, 2011*

**algebra**

y+x=-4

*January 30, 2011*

**mat/116**

solve by elimination method. 7r-2s=61 2r+7s=25

*January 30, 2011*

**Writing EASY BRAINSTORMING**

i want to known how to write it.

*January 30, 2011*

**7th Math**

Loises rate is 5 worfs per min sloer than coreys rate?

*January 30, 2011*

**7th Math**

If Loiuse can type 70 words in 2 minutes and Corey can type 120 words in 3 minutes, which statement is true?? Loises rate is 50 words per minutes slower than coreys rate or Louise rate is 5 words per minutes slower than coreys rate

*January 30, 2011*

**phys**

An airplane must reach a speed of 185 mi/h to take off. If the runway is 500 m long, what is the minimum value of the acceleration that will allow the airplane to take off successfully?

*January 30, 2011*

**math**

i mean 33/240.9

*January 28, 2011*

**math**

33 / 240.90

*January 28, 2011*

**math**

15/8 as a mixed number

*January 28, 2011*

**algebra**

Suzies flower shop estimates that supplies cost for one month will be given by the polynomial 3x^2+7x-3. She estimates the utilities costs for one month is given by 5x+2 Find and simplify an expression that would estimate suzie's total cost for one month.

*January 27, 2011*

**Math**

Solving First degree equations. 0.2x-0.3=0.1x+5 I am having a hard time entering this into my TI-84

*January 26, 2011*

**math**

simplify 4/5 - 1/2 (1/3 +3/8)

*January 25, 2011*

**math**

simplify 5/8 / 1/4 * 9/2

*January 25, 2011*

**math**

simplify 1/8 -(1/8)2 + (1/8)3

*January 25, 2011*

**math**

3 16/72+5 9/72= 8/25/72

*January 25, 2011*

**math**

8 25/72

*January 25, 2011*

**math**

Do I have to find the lcd first

*January 25, 2011*

**math**

find the average of 3 2/9 and 5 1/8 simplify and type a mixed number

*January 25, 2011*

**math**

13 1/48- 2 1/12+ 3 1/3 =13 1/48 - 2 1/48 =13 1/48 - 2 4/48 =12 49/48 - 2 4/48 =10 45/48 10 45/48 +3 1/3 10 45/48 + 3 16/48 =13 61/48

*January 25, 2011*

**math**

simplify and write answer as a mixed number 13 1/48 - 2 1/2 + 3 1/3

*January 25, 2011*

**math**

the second one with out the parentheses around it

*January 25, 2011*

**math**

3/2 / 4/5 + 1/2 * 1/2 Simplify

*January 25, 2011*

**math**

find the average 1/3 ,3/8 ,1/24

*January 25, 2011*

**math**

18/8

*January 25, 2011*

**math**

find the average 1/3 ,3/8 ,1/24

*January 25, 2011*

**math**

what is 164/24 as a mixed number

*January 25, 2011*

**math**

find the average 1/3 ,3/8 ,1/24

*January 25, 2011*

**math**

find the average 6 1/7 and 7 3/8

*January 25, 2011*

**math**

simplify 3/2 / 7/10 /5/2

*January 25, 2011*

**math**

69.5

*January 25, 2011*

**Psychology**

hello any opinions?

*January 25, 2011*

**Psychology**

help please?

*January 25, 2011*

**Psychology**

Information which comes to a neuron must arrive through its: (Points: 5) axons. glial cells. prefrontal area. dendrites its either the axons or dendrites im not sure any help please..its confusing

*January 25, 2011*

**chemistry - grade 9**

calculate the mass carbon monoxide, CO, that was needed to produce 78g of methanol, CH3OH, by the following reaction: 2H2 + CO -> CH3OH.

*January 24, 2011*

**chemistry**

sorry, typed incorrectly...will repost.

*January 24, 2011*