Thursday

July 31, 2014

July 31, 2014

Total # Posts: 119

**physics**

1500 cm3 of ideal gas at STP is cooled to -20°C and put into a 1000 cm3 container. What is the final gauge pressure? 11 kPa 40 kPa 113 kPa 141 kPa 240 kPa

**SS**

The answer is B: The government would want to support it.

**math**

I hope this helps! 37-12=25 5 rows of 5 37-1=36 6 rows of 6

**SS**

The answer to this question is C: The islands have a subtropical climate but the mainland is tropical.

**Physics**

If you stood atop a ladder that was so tall that you were twice as far from Earth's center, how would your weight compare with its present value?

**Physics**

To better comprehend the magnitude of the gravitational force between Earth and the moon, pretend gravity is turned off and the pull replaced by the tension in a steel cable need to be?

**Physics**

Find an arrangement of a 50-g, a 100-g, a 200-g and a 500-g mass that balances. Show all the calculations and indicate the positions the mass should occupy.

**Physics**

If a 100-g mass was placed at the 25-cm mark, and a 20-g mass at the 10-cm mark, where should a 500-g mass be placed to balance the system?

**Social Studies**

I am in 5th grade, and I need a easy interesting current event to write a paragraph about. Help me find a subject!!

**stoiciometry (chemistry)**

calculate the theoretical yield of Cu when 53.2g Cu2S react with oxygen. (balanced equation is CU2S+02>2Cu+S02) Please help me figure this homework out. I just dnt get how to get the theoretical yeild. I want to know to be able to do the rest right. Thanks much!

**Science ASAP**

All correct!!!!

**Help Damon Ms.Sue**

Thank You Ms.Sue

**Help Damon Ms.Sue**

But Lila is my name I don't change my name Ms.Sue and you have never helped me on any questions

**Help Damon Ms.Sue**

here are my answers 1.A 2.B 3.? 4.D 5.?

**Help Damon Ms.Sue**

1.Find the surface area for a sphere with a radius of 10 feet. Round to the nearest whole number. 1,256 ft2 4,189 ft2 1,089 ft2 1,568 ft2 2.Find the volume of a sphere with a radius of 10 feet. Round to the nearest whole number. 1,257 ft3 4,187 ft3 1,089 ft3 3.Find the surface...

**Help Ms.Sue Please**

and how do you find the volume of the cylinder

**Help Ms.Sue Please**

Damon how do you find the surface area of a cylinder

**gen. chemistry**

an unknown solid substance weighs 121g. calculate the specific heat if 425.2 cal raise the temperature of the solid from 24.0 degrees C to 55.7 degrees C.

**chemistry**

if 5.06 g of limestone decomposes by heat to 4.25 g of calcium oxide and carbon dioxide gas,what is the mass of carbon dioxide gas produced?

**chesmistry**

Serine exists in its zwitterion form at a pH of 5.7. Draw the structural formula for the same. Explain the manner in which the structural formula of polar and non-polar amino acids would vary

**Math**

The performing arts theater has 24 rows of seats.There are 48 seats in each row.How many people can this theater seat?

**SOCIAL STUDIES URGENT!!**

you welcome

**SOCIAL STUDIES URGENT!!**

i hope this helped

**SOCIAL STUDIES URGENT!!**

1. d 2. a 3. c 4. d 5.c 6.c 7.a 8.d 9. b 10.b

**Algebra**

Thank you Steve this helps alot studying for exam

**Algebra**

I have a few questions I need help with. They are to help review for our exam. 4) Without graphing, is each system independent, dependent, or inconsistent? -x-3y=0 x-y=4 (i believe dependent) dependent independent inconsistent 6) Which matrix represents the system of equations...

**algebra**

which steps transform the graph of y=x^2 to y=-(x-3)^3+2 would it be 3 units to right translate up 2 units

**8th grade math**

I agree Anonymouse

**7th grade math Ms. Sue please**

yes????

**7th grade math help Ms. Sue please**

thank you bye

**7th grade math help Ms. Sue please**

Am I correct

**7th grade math help Ms. Sue please**

thanks but its 12.99*0.2 = 2.60 discount 12.99 - 2.60 = 10.39 new price 10.39 * 0.05 = 0.52 tax 10.39 + 0.52 = 10.91 price for each dolls

**7th grade science help the solar system Ms. Sue**

BOOO Ms.Livy

**math**

Ya ur right anonymouns Ms.Sue rocks

**math **

The volume of each shape is 250 cubic inches. A) Find the height of a cylinder with a radius of 3 inches. 250/3^2/ 3.14 = height of cylinder? B)Find the radius of the sphere. Is it just 3 inches? C) Find the height of a cone with a radius of 3 inches. I need help with this can...

**Science/Math/HElP**

Whoa. Um... The squares are supposed to be square root signs and the a with the dash on top is NOT supposed to be there. I thought I put this: ã

**Science/Math/HElP**

Science- A 25N object is 3 meters up. How much potential energy does it have? our teacher said that the formula for finding out potential energy is PE = Mass * Gravity * Height. The gravity on Earth is always 9.8, but my problem is that instead of mass the object is measured i...

**Physics**

diagonal of the square = .25 * √(2) √(2) is the square root of 2 (which equals 1.414) corner A: ------------ k*q1/0.35 =(9*10^9)*(1.5*10^-9)/0.35 =38.6 V k*q2/0.25 =(9*10^9)*(4*10^-9)/0.25 =144 V then we add these to get the sum 38.6+144 = 182.6 V. PE = q3 * (sum o...

**algebra**

what is the standard form of 2.4*10 to the fourth power

**Spanish **

Why do people have classes like spanish & french in middle high school ??? I'm curious

**Books**

Thank You Writeacter

**Books**

Is there any books that relate to middle school (for girls).

**statistics**

6374

**geometry**

Points A,B, and C are collinear. If AB=x, BC= 2x+3, and AC= 3x-6, which point is between the other two points?

**child daycare**

a child who moved from throwing a ball using only an elbow,wrist,and shoulder is showing sings of development? a.intertask b.spatial c.joint-plate d.intratask

**history**

i think its B. thats the answer im putting on my test

**8th grade math**

I have no idea how to solve this problem. Can someone help me??? 3x+3y=-6(this is a negative 6) 7x+4y= 1

**Global Business**

I just need guidance can anyone help?

**Global Business**

I don't know were to begin with the financial overview. When the fin. overview is complete do I in turn make a chart form that? What kind of chart should I do? Does it matter? Also identify potential domestic and international sources of financing for your global venture a...

**Global Business**

1250 words Prepare a financial overview for your global venture (Sugar / Mexico). Include a chart that represents the general budget for your global venture. Explain how your company deals with foreign exchange risk for your global operation. Identify potential domestic and in...

**Calculus**

The base of a certain solid is the triangle with vertices at (-10,5), (5,5), and the origin. Cross-sections perpendicular to the y-axis are squares.

**Math homework, check+ Help please? :)**

4 4 8

**Statistics**

Hi, My professor gave us the formulas for sample variance and population variance, as well as the shortcut formulas for each. However, he said that on some of the problems, we will HAVE to use the long formula, which for population variance would be: E(x-mean)^2/N Can someone ...

**Algebra 7th grade**

My teacher has me working on something he calls "tinging fractions". What is this? What does it mean? How does it work?

**Chemistry**

Suppose you had a mixture consisting of 20.0 g of compound A and 20.0 g of compound B dissolved in 100.0 mL of water at 95 degrees C. Suppose further that only 1.00 g of A are soluble in 100.0 mL of water at 5 degrees C but 15.0 g of B are soluble in 100.0 mL of water at 5 deg...

**Science**

How do you represent data in a graph?

**MAT 116 UOP**

Graph equation using the y intercept. Y= 1/10 x + 6 Please Help!! NEED TO PASS!!

**Stress Management Techniques**

thanks for the answers:)

**french**

Un four à micro-ondes est un appareil électroménager, permettant la cuisson rapide d'aliments. ou bien tu peux dire: Un four à micro-ondes=microwave

**french**

Ils rendent les autres malheureux.

**french**

Je ne sais pas comment repondre a cette question.

**chemistry**

is there a chemical reaction that is used in everyday life that can go wrong? like lets say you add too much or one of the chemicals

**physics**

A .7m diameter wheel accelerates uniformly from 160rpm to 280rpm in 4.0s. Determine: a)it's angular acceleration, and b)the radial and tangential components of the linear acceleration of a point on the edge of the wheel 2.0s after it has started accelerating. I want to use...

**Math/Algebra**

How do you find the are of a complex figure?

**social studies**

the southern states supported the Virginia Plan because: (A) it created a system of national courts (B) the legislature wa s to be apportioned according to a state's population (C) the upper house was to be elected by the state legislature (D) a large proportion of all tax...

**biology**

what causes the PH to change as the food moves from the stomach to the small intestine

**math**

Y dont U GOOGLE IT! as said 2 me from u, remember, "How do you find the are of complex figures?" so GOOGLE IT!!!

**chemistry**

i found the gram formula mass for each gas and took it away from the gram given in the example

**chemistry**

which of the following gasses will have the largest volume ( all volumes are measured at the same temperature and pressure) A) 16g of CH4 B) 34g of NH3 C) 44g of co2 D) 64g of SO2 i think the answer is C am i right

**math slope interceot**

write an equation in slope-intercept formof the line satisfying the given conditions: parallel to the graph of 3x-5y=7 andpasses through (0,-6)

**math**

i posted this earlier and i can't figure it out. Write an equation in slope intercept form of the line perpendicular to y=3/4x-2 and passes through(-12,7)

**Math **

Determine the slope of the line that passes through each pair of points. Graph the line with x intercept -3 and y intercept -2. Use a coordinate plane.

**Math - Slopes **

A carpenter is building a stairway. The depth of each stair is 10 inches. The height of each riser is 8 inches. WHat is the steepness (slope) of the stairway? Please show work.

**Math**

Perpendicular to y=3/4x-2 and passes through (-12,7)

**chemistry**

what are electrostatic forces

**Physics **

okay, thanks !

**Physics **

so are you suggesting that there is no tension when the rock is at the top of the circle?

**Physics **

A rock of a mass 0.2kg is attatched to a 0.75m long string and swung in a vertical plane. What is the slowest speed that the rock can travel and still maintain a circular path. so, i started with the following equation: Fc= mv2/r but where do i go from there to solve for v (wh...

**algebra**

hi could you please take me through the steps of solving the simultaneous equation graphically thank you. y-x+4=0 y-8+x=0

**human biology**

under what circumtances can a virus be active

**algebra**

factorise this expression x2+2x+1 can you please explain to me how to do this one

**grammar**

look at the following examples. can you spot the alliteration? can you explain it? 1)they fell into the fiery furnace 2)the rifle's rapid rattle resounded round the room 3) you're bletherin,blusterin,drunken blellum

**government**

why does prices that fall on raw materials in Africa prevent the government from helping it's peoples

**english**

hi again why is mentally retarded person not like a normal person is what i meant thanks again

**english**

halo my question is why is a mentally handicapped person not like normal people thanks for the help

**algebra**

find f^-1(x) f(x)=x-5

**English**

this question is for the short story lamb to the slaughter there are many dramatic irony in the text such as ??? what does dramatic irony mean?? can you please give me one example thanyou

**english**

what makes the short story lamb to the slaughter a good story? could you please help me describe this in more detail

**english**

what makes "lamb to the slaughter" such a good short story? this question is for my essay i tried talking about the chracters but this is supposed to be my next paragraph can you please help thankyou

**government**

what are 5 problems africa suffers from and their causes

**government**

thank you!!! can you answer this one WHAT ARE 3 WAYS RICH COUNTRIES GIVE AID TO POOR COUNTRIES!!! i think it is bilateral aid militeral aid and voluntary aid am i right?

**government**

thank you!!! can you answer this one WHAT ARE 3 WAYS RICH COUNTRIES GIVE AID TO POOR COUNTRIES!!! i think it is bilateral aid militeral aid and voluntary aid am i right?

**government**

what is the structure of the united nation (UN)

**chemistry**

hello!!! what volume of hydrochloric acid concentration 0.1 mol is required to neutralise 100 cm3 of sodium hydroxide solution concentration 0.1 mol can you please expalin this question step by step i really dont understandand how to do it thank you very much

**chemistry**

what temperature do solids change to become gas and what temperature do liquids change to become solid and what temperature do gasse change to become liquid/solid

**chemistry**

Acids that form ionic solutions will conduct electricity. Acids that form covalent solutions will not conduct electricity. but acids have HYDROGEN in them and hydrogen is a gas is that why the results of the conduction test need to be changed because hydrogen is a non metal bu...

**chemistry**

how can i describe the test to see if ACIDS are covalent or ionic Acids in aqueous solutions

**chemistry**

how can i describe the test to see if ACIDS are covalent or ionic Acids in aqueous solutions

**chemistry**

how can i describe the test to see if ACIDS ar covalent or ionic what do the results of such a test show

**biology**

my quations are without changing appratus in an experiment how can the reliability of the experiment result be improved and also why can small changes in room temperature during the experiment be ignored thank you!!