Wednesday

February 22, 2017
Total # Posts: 189

**Chemistry**

For the reaction CS2+3Cl2=CCl4+S2Cl2, calculate the percent yield if 719 g of CCl4 are produced when 410 g of CS2 react w/ an excess of chlorine. I have absolutely no clue on how to do this!! If I could get some help that would be great!!

*February 7, 2017*

**Chemistry 20**

Lab: Determining the Quantity of Vitamin C in Fruit Juice Vitamin C, also called ascorbic acid, is commonly found in commercial fruit juices and drinks. In this activity you will analyze data collected from a titration analysis of a fruit juice. The nutrition facts for a 200-...

*November 28, 2016*

**science**

0.150 L of 0.420 M H2SO4 is mixed with 0.100 L of 0.270 M KOH. What concentration of sulfuric acid remains after neutralization?

*November 4, 2016*

**physics**

a sled mass of 50kg is pulled horizontally over flat ground. the static friction coefficient is .30, and the sliding friction coefficient is .10. what minimum amount of force must be applied to the sled in order to start it moving? i got 147.15N what amount of applied force ...

*October 18, 2016*

**Language Arts**

1. What is the term for the part of a story that sets up the story's ending? (1point) exposition conflict falling action ** resolution

*September 10, 2016*

**Technology**

Which of the following describes the operating system? A - It commands and controls all of the hardware and other software applications ** B - It contains the circuitry that processes the information coming into the computer. C - It is one of the physical components of the ...

*September 8, 2016*

**Math**

I got 140.

*May 18, 2016*

**Math**

Tony works in a factory that produces 1,000 computers each day. When 50 computers were sampled, it was fount that 7 were defective. Estimate how many defective computers are made each day.

*May 18, 2016*

**International Economics**

Please use one graph per country and show both the autarky and the free trade equilibrium on each graph. Consider the following data on the factor endowments of two countries A and B: Countries Factor Endowments A B Labor force: L 100 workers 50 workers Capital Stock: K 60 ...

*March 2, 2016*

**math help plz?**

Yeah thanks.

*December 17, 2015*

**math help plz?**

Ok so A? And the difference is 9.

*December 17, 2015*

**math help plz?**

I "think" that's what he meant. @Katie

*December 17, 2015*

**math help plz?**

Can someone help me plz? Oh and where u see _> the line is underneath the > I just didn't know how to get it under there. Bobby hopes he will someday be more than 7 inches tall, he is currently 61 inches tall how many more inches, X, does Bobby need to grow to reach ...

*December 17, 2015*

**Math please help!!**

A parallelogram has adjacent sides of 78 inches and 90 inches, and the angles between them is 35 degrees. Find the length of each of the diagonals.

*May 30, 2015*

**Math**

A parallelogram has adjacent sides of 78 inches and 90 inches, and the angles between them is 35 degrees. Find the length of each of the diagonals.

*May 30, 2015*

**math**

An engineer sees that the angle of elevation to a vertical tower is 45 degrees. When he moves 40 feet closer to the tower on the same straight, level path, he sees that the angle of elevation becomes 55 degrees. How tall is the tower?

*May 30, 2015*

**History**

Thank you

*May 2, 2015*

**History**

Which was not a sign of a religious resurgence in the 1950s? A. adding "under God" to the Pledge of Allegiance B. posting the Ten Commandments in federal buildings C. adopting "in God we trust" as the national motto D. using the media to deliver religious ...

*May 2, 2015*

**Please help -_-**

I put please help because you guys are ignoring my previous posts witht the same question that I put "math" as it's subject..

*April 29, 2015*

**Please help -_-**

Troy can order a large or small snow cone. There are 16 flavors and 2 toppings from which to choose. How many ways can Troy order a snow cone? 120 64 32 30 Is it B? what do I do? You don't have to answer but can someone just tell me how could I answer this myself..

*April 29, 2015*

**easy math**

Troy can order a large or small snow cone. There are 16 flavors and 2 toppings from which to choose. How many ways can Troy order a snow cone? 120 64 32 30 Is it 64 or 32 what do I do?

*April 29, 2015*

**Math**

sorry thanks

*April 29, 2015*

**Math**

Troy can order a large or small snow cone. There are 16 flavors and 2 toppings from which to choose. How many ways can Troy order a snow cone? 120 64 32 30 Is it B? what do I do?

*April 29, 2015*

**Math**

oh, thanks

*February 5, 2015*

**Math**

why are there two 60s

*February 5, 2015*

**Math**

1296000?

*February 5, 2015*

**Math**

mars orbits the sun at a rate of 15 miles per seconds. how far does mars travel in one day? is the answer 360 miles in a day?

*February 5, 2015*

**math**

8+6+3+1= 18

*February 5, 2015*

**Math**

Early pay: Pay $60 before memorial day: swim any number of days Write an equation in slope-intercept form so that x is the number of days and y is the cost.

*November 25, 2014*

**science**

4 answers energy flow in ecosystem?

*November 21, 2014*

**Biology check my answers**

Every eukaryotic cell has genetic material, A Nucleolus , A cell membrane, Ribosomes,and a Cytoplasm. The genetic material in the cell, (the DNA) is in a chromatin which allows the DNA to then fit inside the nucleolus. The nucleolus makes ribosomal subunits in the eukaryotic ...

*October 18, 2014*

**english**

Will you please give some points on adventure? I need to make a speech.

*October 17, 2014*

**Math**

Randi takes the stairs at work whenever possible instead of the elevator. She must climb up 51 steps from her office to get to the accounting department. The human resources department is 34 steps below her office. How many steps are there between human resources and accounting?

*September 3, 2014*

**Math Help**

2y/4 - y/7 = y-3/2 (y-3 are in the numerator)

*April 24, 2014*

**Math**

1. is -152

*April 24, 2014*

**Math**

Rational Equations Solve: How do you work it out? 1. x/4 - x+2/3 = 12 (x+2 are in the numerator) 2. 2y/4 - y/7 = y-3/2 (y-3 are in the numerator) 3. p/6 - 2p/5 = 4p-5/15 (4p-5 are in the numerator)

*April 24, 2014*

**Math**

Thank You Reiny

*April 21, 2014*

**Math**

Rational Equation solve: x/2 - 1/3 = x/4 I got 4/3

*April 21, 2014*

**Math**

That's how I got 4/3

*April 21, 2014*

**Math**

Your suppose to solve for x

*April 21, 2014*

**Math**

Rational Equation, how do you work it out I need to check my work. x 1 x — - — = — 2 3 4 I got 4 — 3

*April 21, 2014*

**Math**

(2n + 2)(6n + 1) Find the product.

*April 14, 2014*

**Math**

Find the exact solutions of the equation In The interval.. Sin 2x -sin x=0

*April 7, 2014*

**algebra help please ASAP**

Express in simplest form. 1. -4/x^3 + 9/x + 2/x^2 2. 7/10x^2 + 1/2x^3 + 11/5x 3. a + 4/3a + 2a - 1/5a^2

*February 12, 2014*

**algebra help please**

Thanks!

*February 10, 2014*

**algebra help please**

add and simplify 1. a^2/2 + 3a^2/8 2. 4c/15 + 8c/25 i need help can someone explain please

*February 10, 2014*

**algebra 1 help please ASAP**

Divide and simplify. 1. 2y^2 - 7y + 3/2y^2 + 3y - 2 divided by 6y^2 - 5y + 1/3y^2 + 5y -2 2. x^2 + 13x + 12/x + 2 divided by (x + 1) Please explain! Thanks!

*February 9, 2014*

**algebra 1**

thanks!

*February 8, 2014*

**algebra 1**

and then #2 is 1/a^3?

*February 8, 2014*

**algebra 1**

isn't #1 2x^2?

*February 8, 2014*

**algebra 1**

divide and simplify . 1. 5x^4/3 divided by 5x^2/6 2. 3/a^5 divided by 3/a^2 3. 6m^4/5 divided by 2m Can someone help me do these? and explain them? because I don't understand how to do them. thanks.

*February 8, 2014*

**geography>3**

i have some more questions to ask you but thank you for helping me with this one!

*October 5, 2013*

**geography**

i was talking about the time period of world war 2. is the answer kimmy p. gave me right?

*October 5, 2013*

**geography**

why did european leaders believe that an economic alliance would help prevent war?

*October 5, 2013*

**physics**

How am I supposed to answer this question on the lab write-up? I have the date, but I don't know the formula or process to use. Thanks. Organizing Data: Using your estimate of the threshold frequency from your first data table and your measured value of ft for sodium from ...

*May 21, 2013*

**Math**

Josh wants to get an average bowling score of 135. He will bowl 4 games. How many total points will he need for all 4 games?

*March 25, 2013*

**Physics**

A person, sunbathing on a warm day, is lying horizontally on the deck of a boat. Her mass is 59.6 kg, and the coefficient of static friction between the deck and her is 0.696. Assume that she is moving horizontally, and that the static frictional force is the only force acting...

*December 19, 2012*

**physics**

A catapult gives a rock a vertical velocity of 122m/s. a. Determine the time the rock is in the air. b. Determine the maximum height the rock would reach. c. As the rock leaves the catapult the rock also has a horizontal velocity of 34m/s. solve for the rocks range. d. Solve ...

*November 19, 2012*

**PHYSICS**

The answer key has written 12 degrees C as the answer, but I don't get how they got that answer. HELP!

*November 7, 2012*

**PHYSICS**

What will be the final temperature if 1.9 x 10^2 kJ of heat is added to 0.5 kg of ice at 0 deg. C?

*November 7, 2012*

**physics**

John runs at 4.6 m/s for 7.53 s along the x axis. How far does John run? Answer in units of m AND What relationship should be used to solve this situation? 1. x = v − t 2. x = v t 3. x = v + t 4. None of these 5. x = v

*October 22, 2012*

**physics**

John runs at 4.6 m/s for 7.53 s along the x axis. How far does John run? Answer in units of m

*October 22, 2012*

**7th Grade x y input output tables**

i need help with x and y input output tables for 7th grade i don't understand what 5x means or what to do! Math hw problems: 1. y=4x+3 x=1,2,5,10,20 2.d=3.5t t=1,2,5,10,20 Please help ASAP!!!!!

*October 9, 2012*

**physics**

A ball rolls horizontally off a 3.2 m high table and lands 2.2 m from the end of the table. What is the horizontal velocity of the ball when it leaves the table?

*October 7, 2012*

**Math**

The mathematician Augustus DeMorgan lived his entire life during the 1800s. In the last year of his life he announced "Once I was x years old in the year x^2". In which year was he born?

*October 2, 2012*

**math**

A pizza was cut into eight equal pieces.Jack eats 3 1/2 pieces. what part of the original pizza did he eat?

*September 25, 2012*

**history**

In the book Shades of Gray by Carolyn Reeder what was Megs goals? Please help me. Thanks

*May 9, 2012*

**Civics**

The Bureau of Indian Affairs

*March 16, 2012*

**American Government**

3.) It is a permanent fixture in Congress. The House often has a difficult time achieving a quorum, so to get around the quorum requirement the House convenes a Committee on the Whole.In this tactic, the entire House becomes a single committee and can operate with only 100 ...

*March 5, 2012*

**geometry**

A carpenter has been hired to cover a 12-foot by 14-foot kitchen with an arrangement of 2-inch square tiles along the outside edges of the floor and 8-inch square tiles for the rest of the floor. The 8-inch square tiles come 24 in a box and the 2-inch square tiles come 48 in a...

*March 2, 2012*

**math**

A recipe calls for 3 2/3 cups of orange juice.You want to make half of the recipe.How many cups of juice should you use?

*February 29, 2012*

**Math**

x+y=8 x+3y=14 Please help me solve each system of equation and show your work.

*February 27, 2012*

**Statistics**

steps to finding variance of sample data set.11 10 16 18 5 17 8 6 7

*February 25, 2012*

**Math**

Lee has 35 dimes and quarters that total $5.00. Solve the system of equations to find how many dimes and how many quarters he has. d+q=35 0.1d+0.25q=5 Please show your work thanks

*February 25, 2012*

**Math**

Forty-eight decrease by a number is the same as the difference of four times the number and seven. Find the number. Please help me and show your work please and thank you

*February 16, 2012*

**Math**

Mrs. Lincoln budgets her monthly take-home pay. The remainder she deposits in her savings account. She budgets 1/3 of her take-home pay rent, 1/8 for car expenses, 1/6 for food, 1/24 for insurance and 1/16 for entertainment. What is Mrs. Lincoln's monthly take-home pay if ...

*February 15, 2012*

**Math**

2(27+4x)+7x=21 Please help me solve this problem and show your work please and thank you

*February 15, 2012*

**Living environment**

Diffusion

*October 27, 2011*

**Math**

Ok do you know how to do this one square root of 100/25 Please help

*October 26, 2011*

**Math**

What is square root for 25/4+1/2 Please help me

*October 26, 2011*

**Math**

Please help me solve this problem 7.53x10exponent negative 3

*October 24, 2011*

**Healthcare professionals**

high school student homeless people Professional business people

*October 20, 2011*

**Korean**

Can someone help me with the grammar of this sentence? Or just translate the english to korean? 그는 항상 연애운이 없었어요. It's suppose to translate to 'He is always been unlucky in love' ...

*October 19, 2011*

**History**

thanks again!

*October 17, 2011*

**History**

what was the goal of roosevelt's corollary to the monroe doctrine

*October 17, 2011*

**Math**

Write rules for using absolute value to compare two integers. Be sure to take all of the possible combinations into account.

*September 2, 2011*

**math**

2.51*10^2=251 is an example try to figure out what i did

*March 3, 2011*

**math**

possibly the point would be 2 as x and 1 as y or if y = 0 x is also 0

*March 3, 2011*

**social studies**

the goliad massacre?

*March 3, 2011*

**social studies**

thanks soooo much

*March 3, 2011*

**social studies**

which section would it be under and thank you,Ms. Sue

*March 3, 2011*

**social studies**

where did santa anna order the slaughtering of 350 men?

*March 3, 2011*

**>>>>MATH<<<<<**

how do would I round 4.3215 to the nearest thousand.

*February 28, 2011*

**physics**

A book on a shelf 2.0 meters above the floor has a mass of 1.5 kilograms. What is the gravitational potential energy of the book?

*February 21, 2011*

**chemistry**

if 25 Liters of H2 is reacted with excess chlorine gas ( Cl2 ), how many grams of HCl can be produced?

*February 16, 2011*

**Chemistry**

Write and balance an equation for a reaction in which iron (Fe) and hydrochloric acid (HCL) reacto to form iron chloride (FeCl2) and hydrogen (H2)

*February 9, 2011*

**Chemistry**

how could the amount of oxygen change the results in the synthesis of Magnesium oxide lab?

*January 30, 2011*