Sunday

April 20, 2014

April 20, 2014

Total # Posts: 60

**IPC**

Which of the following elements is not likely to form bonds? gold oxygen neon mercury

**IPC-Science**

The specific heat of gold is 0.031 calories/gram°C. If 10.0 grams of gold were heated and the temperature of the sample changed by 20.0°C, how many calories of heat energy were absorbed by the sample? 6.2 calories 0.016 calories 6,451 calories 0.062 calories

**Math**

Ellipses [(x+3)^2 / 12] + [(y-2)^2 / 16] I Have to find the following: Center: Foci: Vertices: A: B: C: Eccentricity:

**Civics **

Ms.Sue would you mind checking my answer? Question~How does the constitution protect someone's freedom of speech while also limiting their freedom of speech? Answer~ we are allowed to state our opinion as long as it-does not taken someone's rights away, doesn't per...

**Civics**

Ah! Thanks Ms.Sue!

**Civics**

Which rights have allowed for citizens to check the powers of government?

**Language arts**

Wouldn't*

**Language arts**

Would that be right?

**algebra**

what do you call drilling 4976 holes? worksheet answeres

**Social Studies**

I need a 4 paragraph essay on the devil's arithmetic. my theme is "no laugh, no hope. NO hope, no life." THANK YOU (: im not passing and i reallllllly neeed help on this

**Physics**

A car is traveling at 42.0 km/h on a flat highway. (a) If the coefficient of friction between road and tires on a rainy day is 0.100, what is the minimum distance in which the car will stop? m (b) What is the stopping distance when the surface is dry and the coefficient of fri...

**Physics**

Consider the figure below. (Let w1 = 150 N and w2 = 38.0 N.) (a) What is the minimum force of friction required to hold the system of the figure in equilibrium? N (b) What coefficient of static friction between the 150-N block and the table ensures equilibrium? (c) If the coef...

**Phisics**

A rocket is launched at an angle of 59.0° above the horizontal with an initial speed of 103 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 31.0 m/s2. At this time, its engines fail and the rocket proceeds to move as a projectile. ...

**College Physics**

The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7 m when leaving the ground at an angle of 45°. With what speed must the animal leave the ground to reach that height? _____m/s

**Chemistry**

If 84 g of CO2 were produced, how many grams of butanol were burned?

**basic engineering electricity**

At what current drain does the ampere-hour Energizer d cell drop to 75% of its value at 25mA?

**Chemistry**

If you put a piece of iron in an aqueous solution of blue Cu2+ ions the spontaneous redox reaction Fe+ Cu2+„³ Fe2+ Cu Will occur. An aqueous solution of Fe2+ ions is red-brown a. What is oxidized b. What is reduced c. What is the oxidizing agent d. What is the reduci...

**Chemistry**

which of the following are redox reactions a. 2Na+2H2O-->2Naoh+H2 b. MgBr2+2NaF-->MgF2+2NaBr c. 2CO+O2--> 2CO2 d. SO2+H2O--> H2SO3 For those reactions that are redox reactions: Indicate which atoms get oxidized and which atoms get reduced. Indicate which reactant i...

**Chemistry**

Sorry Dr Bob, I am not here to get my homework done, I am trying to compare answers like my answer for this question was A soft drink is an aqueous solution, a solution is a homogeneous mixture of 2 or more substances. In the case of pepsi, it is the aqueous solution, the solv...

**Chemistry**

Is it appropriate to call a soft drink an aqueous solution? Justify your answer

**Chemistry**

Use the shortcut rules to assign an oxidation state to each atom in: a) PCI3 b) H2S c) MnO4- d) HNO3 e) HCOOH f) S2O32-

**Chemistry**

Draw a Lewis dot diagram for NF2H and use the oxidation state method of electron bookkeeping to determine how many electrons each atom should be assigned.

**chemistry**

I need help with this question please help, I just don't understand it Fe3+ (aq), Ca2+ (aq) and Ba2+ are all present in the same solution. Fully describe a procedure whereby you could separate these ions from one another Mr Pursley posted this response, but I don't un...

**chemistry**

I know I posted this and it got a response, but unfortunately for me the reponse has got me confused, sorry Bob. Fe3+ (aq), Ca2+ (aq) and Ba2+ are all present in the same solution. Fully describe a procedure whereby you could separate these ions from one another

**chemistry**

Fe3+ (aq), Ca2+ (aq) and Ba2+ are all present in the same solution. Fully describe a procedure whereby you could separate these ions from one another

**Trigonometry**

sorry, it's a different question. That one was miswritten. I accidently wrote cd instead of ca.

**Trigonometry**

v=2(ab+bc+ca), solve for a

**Trigonometry**

log3(x^2)=2log3(4)-4log3(5)

**Algebra 2**

v=2(ab+bc+cd) for a

**math**

v=2(ab+bc+cd) for a

**math**

how do you solve 5k-3=negative13

**History 1301**

I am to describe how the differences (of human history in North America during the 8000bc era and the asia euriasia and europe era) affected the internation state affairs of 1450. I don't even know where to begin.

**math**

Sorry! Don't use that. Didn't notice the - sign. So, it should be.. 8 = -2+5g 10 = 5g 2=g

**math**

8-3g = 2+2g 8 = 2+5g 6 = 5g 6/5 = g

**Chemistry **

D. It's a solid. You will find (s)-solid, (l)-liquid, (g)-gas, (aq)-aquious, etc.

**Algebra**

(4y-3)(4y-3) FOIL F - First. (4y)(4y)=16y^2 O - Outside. (4y)(-3)=-12y I - Inside. (-3)(4y)=-12y L - Last. (-3)(-3)=9 = 14y^2 - 24y + 9

**Pre-Calc**

Tee Ball is similar to baseball, but the field is a diamond 40 ft square. The pitchers mound is positioned 25 ft from homeplate. Determine the distance from the pitchers mound to 3rd base.

**7th grade**

x=19

**chemistry **

35g of water at 55 degrees Celsius is heated until it is all steam at 100 degrees Celsius. How much every was added?

**MATH - Probability**

A commander faces a battlefield mobility situation. He has three feasible routes, R1, R2 and R3. The payoffs of his choice will be determined by weather conditions W1, W2 and W3. The best result is to gain 200 miles and the worst result is to lose 160 miles. The commander is i...

**college philosophy**

A commander faces a battlefield mobility situation. He has three feasible routes, R1, R2 and R3. The payoffs of his choice will be determined by weather conditions W1, W2 and W3. The best result is to gain 200 miles and the worst result is to lose 160 miles. The commander is i...

**math again**

You have a bag with 60 black jelly beans and 240 red ones. a) If you draw one jelly bean out of the bag, find the probability that it is black. -------60/300= 1/5 b) If you add 60 black jelly beans to the original bag and draw out a bean, what is the probability that it is bla...

**math**

If a movie ticket now averages $6.75 and has been increasing an average of 15% per year compute the cost: in 8 years 8 years ago

**grammar**

what is the predicate adjective and participle in this sentence? Nearly a hundred years later, a talented ballet dancer appeared in the same city.

**solving inequality**

I have two problems that Im.. having a problem with. I would like an answer but with an step by step explanation, so i can do the other 20 that are due tomorrow... lol. 1. 3x - 8 > 10 2. -2x +7 ≤ 37

**3rd Grade**

all scientists tickle cats.. always swim to california all sea turtles cry lol, im just getting these off the top of my head!

**9th grade : Algebra**

no. you gotta solve for y. y=mx+b

**9th grade : Algebra**

How would you work out this problem? 2x+5y=10

**biology terms**

i need help to find what some biology terms mean. -substrate concentration - enzyme - catalyst

**math**

if you know the rule stay change opposite. it might just give you a clue. -5+-4= two negatives added together equal a negative.

**ap chemistry**

okay i see what you're saying. thanks so much for all your help.

**ap chemistry**

Would the temperature increase increase the value of delta G then?

**ap chemistry**

Some reactions that are predicted by their sign deltaG to be spontaneous at room temperature do not proceed at a measurable rate at room temperature. A suitable catalyst increases the rate of such a reaction. What effect does the catalyst have on deltaG for the reaction? AND F...

**math**

if kyra and chloe each ate half a pizza, how is it possible that kyra ate more pizza?

**social studies**

what were the egyptian portrait masks for mummies made of

**world cultures**

I am working on a project for school and I can't seem to find the year that these Chinese inventions were invented. Yo-yo. Compass. Acupunture. Wheelbarrow. Printint.

**band**

please help me solve this riddle. "you've heard me before, yet you hear me again. Then I die, Til' you call me again." Who wrote this riddle?

**Language Arts**

well if you are presenting it yourself then it would be more related to speaking, but if you are simply creating the flannel board then it is more related to writing

**Math**

im srry but this makes no sense to me and im in the advanced math class!

**math**

How to solve for delta using trig functions? i.e. cosine sine tangent secant Thank you I'm not sure what delta you're referring to. Could you please elaborate some for us. What is it you're trying to do with the trig funtions? the problem is.. limit sec theda - 1/ ...

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