Wednesday

July 30, 2014

July 30, 2014

Total # Posts: 1,491

**Chemistry**

ok for 2 i did m= 1.2g/l /84.9= .0141 then moved dec. 3 places which made it 14.1 kg is that right or close..

**Chemistry**

ok so a was 84.9 vol .. so i take that and then.. i then take the m and convert them to kil.. then do the vxd=m

**Chemistry**

ok quick question i got the lxwxh and then that would be # 1 .. for i take the answers from one and convert them to liters.. ?/

**Chemistry**

Your bedroom is 18 ft long and 15 ft wide, and the distance from floor to ceiling is 8 ft 6 in. You need to know the volume of the room in metric units for some scientific calculations. (a). What is the room’s volume in cubic meters? (b). What is the mass of air in the ro...

**AP Biology**

Why can't humans drink salt water for hydration?

**Math**

A fast food shop plans to employ 8 full-time staff and some part-time staff.Suppose that the daily wages for a full-time staff and a part-time staff are $350 and $250 respectively. In order to control the daily running cost, the total expenditure on wages must not exceed $5000...

**Math**

Susan has some $2-coins and $5-coins. If there are 18 coins and the total amount of these coins is not less than $75, find the minimum number of $5-coins.

**Pre-calc **

square root(x+1)+ square root(x-1)= square root(2x+1)

**statistics**

draw a negatively skewed result

**critical thinking**

how would a poet describe a snowstorm

**english**

How do i determine if the prepositional phrase is an adverb or adjective?

**social studies HELP**

who developed a vaccine to prevent polio?

**Math**

travel 250 mi in 5 h need the unit rate for each situation.

**social studies**

who was the star of "Steamboat Willie''

**social studies**

what is the constitution

**social studies**

thanks for the answer. I'll try to help you whenever you might need help sraJMcGin

**social studies**

what is the capital of mexico

**educating young children PART3**

what is your question

**geometry**

how do u solve this geometry question to solve hj=5x jk=7x kh=96?

**Geometry**

What is the area of a square with a base of 8mm?

**United States Government**

Complications in the practice of America's ideals occurs because these ideals a. are general principles, not precise rules. b. sometimes conflict with one another. c. are only of of many sources of political action. d. are enduring and powerful. e. All these answers are co...

**chemistry**

When 1.0 of gasoline burns, it releases 11 kcal of heat. The density of gasoline is 0.74 How many megajoules are released when 9.0 of gasoline burns?

**communications100 **

In which of the following instances are people more likely to look directly at their conversational partner? 1when you are discussing intimate topics 2.when you are talking rather than listening 3.when you are trying to dominate your partner 4.when you are physically close I c...

**Comm 100 college**

thanks!

**Comm 100 college**

Which of the following statements is true concerning finding similarities? 1. An accurate way to assess similarities is to focus on appearance and clothing. 2.Once you find similarities, you can assume the other person will have similar views on most issues. 3.It is important ...

**Biology**

How much NaC3H5O3 (in grams) is needed to create a 1000 ml volume of Ringer’s lactate solution

**Math**

I am stumped

**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?

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