Saturday

April 19, 2014

April 19, 2014

Total # Posts: 1,462

**Math**

I am stumped

**Math**

I am stumped

**Math**

I am stumped

**Math**

I am stumped

**Math**

I am stumped

**chemistry**

How did you figure it out?

**Comm 100 college**

Which of the following are included in listening to evaluate? A.separate facts and inferences B.take down notes on everything the speaker says C.try to put yourself in the speaker's shoes D.identify pertinent information we want to remember A?

**business communications **

thank you

**business communications **

Which of the following should you NOT do in the close of a job interview? A.Give a final explanation for a weakness that you have. B.Show enthusiasm for the job C.Summarize your accomplishments and strengths D.Smile and relax A,and B of course wouldnt be the correct answer but...

**busniess communication**

Today, many employers expect interviewees to do more than just answer standard questions, including all of the following EXCEPT: A. defer to the hiring company to take control of the interview process. B. provide samples of the work they would likely do in the job they are app...

**stats**

what does it mean to say alpha is set at 0.5

**You are interested in buying a new car and Bob let**

there is no instrument

**Science **

Carbon-14 has a half-life of about 5,600 years. Archaeologists analyze a piece of wood found at an ancient village site and determine that, of he initial 100 grams of Carbon-14 in the wood, onl 3.125 grams are left. How old is the wood?

**Physics**

A river flows due East at 0.979 m/s. A boat crosses the river from the South shore to the North shore by maintaining a constant ve- locity of 12.8 m/s due North relative to the water. The river is 306 m wide. What is the velocity of the boat relative to shore? Answer in units ...

**fractions**

5/6=15/

**human services**

what are four steps an organization should take to change its personnal profile? What should the organization consider before developing such a plan?

**Math 221**

What if the size for each sample were increased to 20? Would a sample mean of 115 or more be considered unusual?

**statistics in psychology**

i dont know

**algebra**

Sorry, express the measure the third angle in terms of x** I don't know why I typed "fourth".

**algebra**

The sum of the angles of a triangle is 180 degrees. If one angle measures x degrees, a second angle measures 3x degrees, and a third angle measures 7x degrees, express the measure of the fourth angle in terms of x.

**algebra II**

Solve: x^4 - 2x^2 = 35

**algebra II**

The _______ of a quadratic equation can be used to find the number of solutions it has. ?? A. vertex B. Axis of Symmetry C. Discriminant D. Leading Coefficent

**algebra II**

The length of a rectangle is three more than twice its width. The area is 65 m2. What is its width?

**Algebra II**

The height of a right triangle is 7 inches greater than the length of its base. If the area of the triangle is 15 square inches, find the base.

**algebra**

Factor 6a^3+27b^3

**Algebra II**

How do I solve the following problems?? 1. Factor: 4x^2-100y^2 2. Factor: 3x^2+27 3. Solve 3x^2+9x=0 4. Solve 12^2+30x=-12 5. 9a(a+1)=4 6. Solve 16x^2=25

**statistics**

The mean number of fitness magazines in a sample of homes is 16, the standard deviation is 5; and the mean for the number of pages of fitness magazines in a sample of homes is 43, with a standard deviation of 8. Which set of data set is more variable?

**Community/public health**

What types of system changes will you implement or encourage others to implement based upon what you have learned about the importance of interdisciplinary collaboration on health outcomes?

**grammar**

2.He suffered an injury to his knee, and this is causing him pain and discomfort. suffered an injury ,is causing are verbs ,am i correct or pls correct me

**grammar**

2.He suffered an injury to his knee, and this is causing him pain and discomfort. I hope verb are suffered, is causing. am i correct if not pls correct me

**grammar**

4.The patient is a 42-year-old male with a history of left shoulder osteomyelitis with resistant pseudomonas from an injury he sustained approximately 20 years ago. pls help me with all the prepositions & conjuctions in the above sentence.

**social studies**

How did some people hope to solve the problem of California's islation from the rest of the country?

**American History**

Thank you so much! :D

**American History**

What was the Voluntary Program? (this is at the time of the Great Depression. Possibly in the new deal? Not sure.)

**Business Management**

What is the difference between executive and non executive pay? Contrast the principle diff between executive pay with non-executive. What are the controversies associated with the growing disparity between the compensation packages?

**philosophy**

Identify a view you have-whether on politics, religion, science, culture, or even the media and entertainment-that might be regarded as being related to philsophy. What kind of reason do you have for holding that belief? What figure from the history of philosophy section do yo...

**statistics**

Assume that a set of test scores is normally distributed with a mean of 80 and a standard deviation of 25. Use the 68-95-99.7 rule to find the following quantities. The percentage of scores less than 80 is?

**ENGLISH!!**

is i a verb or noun?

**math**

translate the hindu-arabic number equivalent roman numeral 273

**Math**

write numeral as hindu- arabic numeral _ XMMDCLXII

**writing**

how do sentences with the word brood

**earth science**

describe five ways earth's oceans affect our life?

**Thermodynamics**

1,3-diphosphoglycerate (1,3-DPG) is a molecule that can be used to regenerate ATP in the body. Explain how this is possible given the coupled reactions below. 1,3-DPG „³ 3-DPG + PO43- ƒ´G = -49 kJ ADP + PO43- „³ ATP ƒ´G = 31 kJ

**Thermodynamics 2nd Law**

The 2nd law of thermodynamics states that “in any spontaneous process, the total entropy of the universe always increases”. Yet in biological systems there are processes where there is a decrease in entropy during a reaction. Give an example of a biological process w...

**HW Entropy Question**

I got 216.52

**HW Entropy Question**

Sodium carbonate can be made by heating sodium bicarbonate: 2NaHCO3(s) ¨ Na2CO3(s) + CO2(g) + H2O(g) Given that ƒ¢H‹ = 128.9 kJ/mol and ƒ¢G‹ = 33.1 kJ/mol at 25‹C, above what minimum temperature will the reaction b...

**6 Entropy**

Using the thermodynamic data provided below, calculate the standard change in entropy when one mole of sodium nitrate is dissolved in water? S° (J/K•mol) NaNO3(s) 116.3 Na+(aq) 60.25 NO3–(aq) 146.4 Using the value you calculated, how will the solubility of sodium...

**spelling**

oh ok thanks

**spelling**

my teacher wont allow that

**spelling**

how can you sort the words soup, double, cougars, and enough?

**Thermodynamics**

Sodium carbonate can be made by heating sodium bicarbonate: 2NaHCO3(s) ¨ Na2CO3(s) + CO2(g) + H2O(g) Given that ƒ¢H‹ = 128.9 kJ/mol and ƒ¢G‹ = 33.1 kJ/mol at 25‹C, above what minimum temperature will the reaction b...

**ugh math**

A homeowner planning a kitchen remodeling can afford a $200 monthly payment. How much can the homeowner borrow for 3 years at 5%, compounded monthly, and still stay within the budget?

**Orgo **

1. Calculate the number of moles of cyclohexanol used in the following reaction: 10.5 mL of cyclohexanol and 9mL of H2SO4 react to form cyclohexene

**maths**

a melon costs 5.45 for 3.2kg how much would 6.5kgs cost?

**Le Chatelier's Principle**

If the equation is : Cd2+(aq) + Cl-(aq) ¡ê CdCl+ What would happen when Na+ is added would it shift to the right or will there be no change/effect to the system?

**Language Arts**

My mom went to the grocery store.she forgot her purse.

**Net Ion Equation**

How can you write a net ion equation and identify the conjugate acid/base pairs for these followings? KNO3 Na2HPO4 NH4Br

**MATH**

On my homework it says write the ratios.Explain what your ratios show. Chocolate 6 vanilla 1 Strawberry 3

**Buffer L**

CH3CO2H: 0.109M & 20ml NaOH : 0.109M& 10ml H20:10ml Buffer Problem, when I solve it the ratio becomes the same and the pH is the same as the pka, is that right?

**spelling**

i dont understand? Can you explain a little more?

**spelling**

how can you sort the words wish,child, beach, tooth, and theater

**BUFFER**

What is the pH of a solution made by adding 50 mL 0.1 M HCl to 150 mL 0.099 M NH3?

**Buffer Solution**

You have 500.0 mL of a buffer solution containing 0.30 M acetic acid (CH3COOH) and 0.20 M sodium acetate (CH3COONa). What will the pH of this solution be after the addition of 93 mL of 1.00 M NaOH solution?

**Chemistry**

Why wouldn't HCl be a good acid to use to determine the solubility of a silver precipitate in acid solution?

**math**

1,750 METERS

**math**

how many meters are in 1 and 3/4 kilometers

**Science**

When a chemical reaction is carried out in an industrial setting, it is very common to have one of the reactants present in an excess amount above the stoichiometric quantity that would be needed for the reaction. Why?

**science**

why does the moon have more craters than the earth?

**science**

what is the difference between a meteor and a meteorite?

**Buffer**

You have 500.0 mL of a buffer solution containing 0.30 M acetic acid (CH3COOH) and 0.20 M sodium acetate (CH3COONa). What will the pH of this solution be after the addition of 93 mL of 1.00 M NaOH solution?

**chemistrty**

A sample containing 7.20g O2 gas has a volume of 33.0L Pressure and temperature remain constant. What is the volume after 4.00g He is added to the O2 gas already in the container?

**chemistry **

what is the volume in liters of 4.2 moles methane gas, at 26degree C and 1.40 atm?

**chemistry **

what is the volume in liters of 4.2 moles methane gas, at 26degree C and 1.40 atm?

**Geometry**

An architect is designing a public storage building with 2 different sized storage units the ceilings are 8 feet high in each storage unit a. All storage units have square floors the volume will be 1800 what are the dimensions of each small unit b. The ratio of dimensions of t...

**Acid/Base**

Why is the normal concentration for HCl compared with the Molar Concentration of [H3O+] different? Why is The normal concentration for Acetic acid compared with the Molar Concentration of [H3O+] different?

**spelling**

ohhh! well, thank you

**spelling**

what is the actual word for recital

**spelling**

Ok thank you!

**spelling**

For the other words i sorted them in homophones and suffixes.

**spelling**

I'm in 5th grade and my teacher won't accept that. Is there any other way?

**spelling**

what are ways to sort the words scene, muscle, cereal, and recital?

**math **

Chris is making a scale drawing of his rectangular room. His room measures 12 feet, 4 inches by 11 feet, 6 inches. He wants his drawing to be one-tenth the size of his room. What are the dimensions of his drawing?

**Org Chem**

Which of the following compounds could be meso compounds? a. 2-bromo-4-chloropentane b. 2,5-dimethylheptane c. 2,4-dimethylpentane d. 4,6-dichlorononane

**Chemistry**

would it be that Z is -123.8 since X is -123.8 and Y is +123.8?

**Chemistry**

After reading the link for part c,i still don't understand it

**Chemistry**

If the specific rotation of Compound X is (-) 123.8º, what would be the observed rotation of its enantiomer, Compound Y, assuming the concentration and cell path length is the same? b. If a racemic mixture of Compound X and Compound Y were analyzed, what would be the obse...

**Chem I**

How many moles of carbon atoms are found in 6.24 x 10^22 carbon atoms?

**chemistry**

A swimming pool, 20.0 m 12.5 m, is filled with water to a depth of 3.73 m. If the initial temperature of the water is 17.7°C, how much heat must be added to the water to raise its temperature to 28.7°C? Assume that the density of water is 1.000 g/mL.

**Chemistry**

What mass of octane must be burned in order to liberate 5510 kJ of heat? ΔHcomb = -5471 kJ/mol.

**science**

what would happen to day and night if the Earth rotated faster?

**algebra**

At a diving competition, divers will jump off a 64 foot high cliff. The diver's height above the water, at time t, is given by the equation . How long will it take the diver to hit the water and have a height of 0?

**Physics**

Suppose we have a test tube with two substances of diffferent densitites inside. We want to use a centrifuge with a rotational radius of .2m to separate them. if we want to achieve a centripetal acceleration of 1000g, how fast does it have to spin/ (what is its angular velocit...

**math**

Without calculating, comment on the statement 2 ∙ 24 ‚ 3 ∙ 23 An electrician needs 766 feet of 12-gauge wire to do a wiring job. He has 140 feet of 12-gauge wire in stock. How much more wire does he need

**Culture divercity**

Describe as if you were a member of subordinate

**Racial and ethnic groups**

Identify and describe which, if any, of the following creation and consequence situations native americans has faced, Creation: migration, annexation, or colonization Consequences: extermination, expulsion, secession, segregation, fusion, or assimilation

**world history**

Many early historians tended to look at the past in terms of A. Random cycles B. Continuities and discontinuities C. Innovation and change D. Progress and decline I think D but I'm not sure. Please help!

**Chemistry**

The combustion of 75.5 liters of 2- propane (c3h6)with 95.5 liters of oxygen gas is extremely exothermic. What is the maximum amount of water (in grams) to be made from this and how much of the non-limiting reactant is unused at the end (in liters)?

**Chemistry**

if 225 mLs of .50 molars of hydrofloric (HF) acid solution is reacted with 25.5 grams of solid zinc what is the most (in grams) aqueous zinc flouride that would be produced? Based on this, how much nonlimiting ractants will be left over?

**History**

Thank you so much!

**History**

How much money china gives to other countries, i guess.

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