Wednesday

July 30, 2014

July 30, 2014

Total # Posts: 153

**Chemistry**

How many grams of CO are needed to react with an excess of Fe2O3 to produce 233.4 gFe? Fe2O3 (s) + 3CO (g) --> 3CO2 (g) + 2Fe (s)

**Chemistry **

If 26.4 L of H2 reacted with 13.2 L of O2 at STP, what is the volume of the gaseous water collected assuming that none of it condenses?

**geometry**

the ratio of the area of a smaller triangle to the area of a larger triangle is 1:4. if the are of the smaller triangle is 30, find the area of the larger triangle.

**MATH**

4*3*2*1*3 there are 4 possibilities for the first space... so u only have 3 options for the fifth spot because 1 car has already parked... now since two cars have parked in the first and last spots you have 3 cars out of the five that can still park.. so 3 can park in the seco...

**english**

A. communist B. guerillas C. Marxist

**math**

_ _ < 50 12 and 24 It's mental math.

**physics**

A 0.46 kg object connected to a light spring with a spring constant of 18.0 N/m oscillates on a frictionless horizontal surface. The spring is compressed 4.0 cm and released from rest. (a) Determine the maximum speed of the mass. unit = cm/s (b) Determine the speed of the mass...

**Science**

How do you reverse the expirement of a Iron Nail which is placed into a cup of Copper Sulfate????

**HiSTORY ....helpppppp **

YEllow journalism was important because it was a business move for the newspapers. By makiing the war more exaggerated in the media, it sold more newspapaers.

**physics**

Figure 6-43 shows a "conical pendulum", in which the bob (the small object at the lower end of the cord) moves in a horizontal circle at constant speed. (The cord sweeps out a cone as the bob rotates.) The bob has a mass of 0.060 kg, the string has length L = 0.90 m ...

**history**

Im on my school laptop and its not letting me get through to the links.

**history**

how do you think the Emancipation proclamation will affect people’s attitudes towards the war?

**Physics**

HAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHHAHHAHAHA

**Grade 9 science: ecology**

They share cellular respiration but dint share photosynthesis

**algebra**

find algebraically the equation of the axis of symmetry and the coordinates of the vertex of the parabola whose equation is y=-2x^2-8x+3. explain the steps please. :)

**algebra**

(1) x^2 (2) x^9 (3) 4x^2 (4) 4x^9

**algebra**

in simplest form?

**algebra**

what expression represents (2x^3)(8x^5)/4x^6?

**science!!**

The element in an incandescent light bulb that releases light energy is _____. I think its C a thin tungsten filament. Am i right? below are the choices: A.a phosphor B.mercury vapor C.a thin tungsten filament D.a thick tungsten filament

**math**

I think its 63 miles per hour. How i got it: 12 hrs. minus 7 hrs. = 5hrs for the return trip. 45*7= r*5 315==r*5 315/5 = 63 miles per hour (i think that 63 is the answer. im not sure)

**science**

Hi it's me again. I realize that my last question didn't make much sense, so I will try to explain it again. Her it goes..... A long time ago the Mayans predicted that it took so many days( years even) for the sun to orbit the jupiter. This was without any sort of tech...

**science**

I remember hearing something about how the Mayans predicted that it took so many days for the sun to orbit the sun and then Nasa recently figure out that they were only slightly off. Does anyone know about this? Thanks

**PLZ HELP!!!! communication**

THE ANSWER IS; False of course! :) Selective listening DOES focus on the most important parts of a message, but it isn't always effective!

**home economics**

macro nutrients = protiens,fat micro nutrients =minerals & vitamins

**algebra**

x(-2x-8) uqh help ! i fiqured it would just be -2x-8x but nopee

**math**

he came out wet

**displacement...**

At the annual turtle races, Poindexter, the record holder, is trying to retain his title. As the race begins, Poindexter starts off racing North with a speed of 0.025 m/s. He retains this speed for 0.5 meters at which time he speeds up to 0.10 m/s. He continues at this rate fo...

**science**

At the annual turtle races, Poindexter, the record holder, is trying to retain his title. As the race begins, Poindexter starts off racing North with a speed of 0.025 m/s. He retains this speed for 0.5 meters at which time he speeds up to 0.10 m/s. He continues at this rate fo...

**science**

At the annual turtle races, Poindexter, the record holder, is trying to retain his title. As the race begins, Poindexter starts off racing North with a speed of 0.025 m/s. He retains this speed for 0.5 meters at which time he speeds up to 0.10 m/s. He continues at this rate fo...

**algebra**

2.

**word.**

What are the three sections of the Mail Merge Helper dialog box?

**science**

At the annual turtle races, Poindexter, the record holder, is trying to retain his title. As the race begins, Poindexter starts off racing North with a speed of 0.025 m/s. He retains this speed for 0.5 meters at which time he speeds up to 0.10 m/s. He continues at this rate fo...

**word.**

thanks(:

**word.**

What are the steps in creating a drop cap two lines tall?

**science**

A sailboat sails west from port for 5.3 km and experiences a shift in the wind direction. The wind blows the sailboat 2.5 km south. What is its displacement from its original position? a^2+b^2=c^2 5.3^2+2.5^2=5.86^2 I just cant figure out the direction...

**Healthcare**

People on this website are so mean to each other wow.I thought it was to help not to fight about who can and cannot read a text book. Some like myself sometimes have a harder time understanding the text because you do not have a person in front of you explaining everything. Wh...

**PRE*******ALGEBRA**

the answer is the answer.

**5th grade math**

lol nice 1 madison

**5th grade math**

when ur subtracting you kinda just add lol i hate this too madison!

**7th grade**

yeaaahhh what she saiddd lol

**maths plz help me**

you add the numbers next to x and multiply 5×360 so it will be : x + 1450 = 1800 subtract both sides x + 1450 - 1450 = 1800 - 1450 x = 350 :)

**Physics**

Square root.

**algebra**

yo momma foooollllll.

**drivers ed**

haha nevermind ill find it out tomorrow........mine isn't that important

**drivers ed**

i have been working on this forever...and i cant figure it out...but its on motorcycle safety...and its two words...but it contains aeehhossvy...and ithink its an article of clothing but other than that i have no idea......cause everything else i've solved has been clothing

**Math(Geometry)**

number 15 is money... george 1 dollar bill, thomas 5 dollar bill, abe 10 dollar bill, alexander 20 dollar bill, then is andrew jackson 50 dollar bill, and then ulysses grant 100 dollar bill

**math**

A chemist has 80 pints of a 20% iodine solution. How many pints of iodine must be added to produce a solution that is 33.1/3% iodine? Please help me work this through Let X be the number of pints of iodine that must be added. You start out with a mix that contains 16 pints of ...

**math**

How do you solve these types of problems? What is the remainder when 732^500 is divided by 10? The remainder of a division problem is the same as its modulo. 732^500 % 10 = the remainder what is modulo? and what do I need to do to solve this?

**math**

The population of Norson, the largest city in Transitania, is 50% of the rest of the population of Transitania. The population of Norson is what percent of the entire population of Transitania? Assume there are 100 people in Transitania.

**math**

12/7 .......i think

**the big idea of energy**

The idea is that the molecules have a lot of heat energy and so they are banging into eachother and if they bang with enough energy they join together.... hope this helped!!! :)

**microeconomics**

we also have the same problem...

**Chemistry Suspension Examples...**

hydrate