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November 28, 2014

Posts by Lisa


Total # Posts: 3,046

chemistry
Convert mL to L (32ml)(1L/1000mL) = 0.032L (0.032L)(0.15M HNO3/1L) = 0.0048 moles HNO3 0.0048 mol = (.200M NaOH)(? L NaOH) 0.0048 / .200 = 0.024 L NaOH 0.024L (1000mL/1L) = 24ml NaOH Good Luck with the rest of your Wiley Homework and hope this helps! :)
April 20, 2010

chemistry
A student performs a back-titration to determine the cost -effectiveness of an antacid. A tablet with a retail cost of $0.053 is dissolved in 25.00 ml of 1.000 M HCl, then back-titrated with 1.000 M NaOH. Exactly 14.82 ml of NaOH solution is required to reach the endpoint. ...
April 19, 2010

College Algebra
help in solving log7 (1/49) = x
April 18, 2010

world geography
following the breakup of the Soviet Union, whatare some of the major problems faced by many of the new countries
April 18, 2010

education
How do you Develop a protocol for channeling students into a gifted program
April 16, 2010

Faculty of Business Studies
Please can you help me write the LB160 assignment for the Open university
April 16, 2010

accounting
What is the impact on the financial statements of missing a step when completing the accounting cycle?
April 15, 2010

Physics
As soon as a traffic light turns green, a car speeds up from rest to 50.0 mi/h with a constant acceleration of 8.10 mi/h·s. In the adjoining bike lane, a cyclist speeds up from rest to 20.0 mi/h with a constant acceleration of 13.0 mi/h·s. Each vehicle maintains ...
April 14, 2010

mat117
three rules for exponents
April 13, 2010

college physics
A smoke particle has a mass of 1.89 10-17 kg and it is randomly moving about in thermal equilibrium with room temperature air at 25° C. What is the rms speed of the particle? cm/s
April 12, 2010

physics
Two masses, m1= 1 kg and m2 = 2kg, collide. the first mass has a velocity of .95 m/s east, then 50 degrees NE. The second mass is stationary and then moves off 40 degrees SE. What are the velocities of the two masses after the collision?
April 11, 2010

english
Comma Rule Exercise Instructions: Each of the following sentences is missing one or more comma(s). In the space provided beside each question, type the number of commas needed to correct each sentence. In addition, add the missing commas where they are needed within the ...
April 9, 2010

math
Ten cards are selected without replacement from a standard 52 card deck that contains 13 clubs and 39 other cards. What is the probability that 4 of them are clubs?
April 9, 2010

Chemistry Help(Calorimetry)
Convert 34.5 in2 to cm2. Report the answer to the correct number of significant figures. (1 inch = 2.54 cm is an exact or defined conversion.)
April 9, 2010

college
organic chemistry 121-------------how to do dimensionalysis solving..
April 5, 2010

Mathematicas
6x6=36 games
April 5, 2010

english
what is 3 or 4 methods used to write about literature
April 4, 2010

Math
fill in the missing digits in as many ways as possible so the number will be divisible by 6. 3_2_
April 1, 2010

physics
Two strings, each 19.5 m long, are stretched side by side. One string has a mass of 78.0 g and a tension of 180.0 N. The second string has a mass of 58.0 g and a tension of 152.1 N. A pulse is generated at one end of each string simultaneously. Once the faster pulse reaches ...
March 31, 2010

physics help
The period of oscillation of a spring-and-mass system is 0.56 s and the amplitude is 4.1 cm. What is the magnitude of the acceleration at the point of maximum extension of the spring? m/s2
March 31, 2010

HUMAN RESOURCES
Describe one historical period in public personnel administration. Analyze the social political environment of the perspectives that influenced the HR perspective in use at the time.
March 31, 2010

Math
Insert Parentheses when necessary 7-2*5/2+6=-10
March 29, 2010

social studies
what three political groups came out of the french revolution
March 29, 2010

Human Resource Management
Consider these methods for performance appraisal: trait methods, behavioral methods, and results methods. Then select an industry or organization that has many occupational positions within it (the retail industry, the transportation industry, a marketing organization, or ...
March 29, 2010

social studies
Try this: google WW! thru WWII chronological timeline. I cannot post the web address, this site will not allow it. Hope it helps
March 29, 2010

math
what are the factors of 32
March 29, 2010

Com 220
Paraphrasing means putting it into your own words.
March 29, 2010

college
HOW DOES A PERSON AUTONOMY AFFECTS THEIR SENSE OF FREEDOM
March 23, 2010

Math
How much does Jane pay for 1 pound 12 ounces of apples at $1.96 per pound?
March 23, 2010

math
5x-y=36 5x+6y=-6 Find the solution in ordered pairs.
March 21, 2010

spanish
-que vas a hacer manana? -voy a esquiar. Y tu? a. me gusta esquiar tambien b. vas a mirar la televisor c. voy a correr 5 kilometros
March 17, 2010

chemistry
What mass of silver chloride can be produced from 2.00 L of a 0.183 \it M solution of silver nitrate?
March 16, 2010

Math
Find A �� B, given A = {people who are less than 20 years old} and B = {people who have a job}. A) {people who are less than 20 years old and people who have a job} B) {people who are less than 20 years old and have a job} C) {people who are less than 20 years ...
March 16, 2010

Hypothesis
7) If a number is divisible by 3, then the sum of the digits of that number is divisible by 3. The sum of the digits of a number is not divisible by 3. Therefore the number is not divisible by 3. A) affirming the hypothesis B) denying the conclusion C) both affirming the ...
March 15, 2010

Math
Thanks how d u get A?
March 15, 2010

Math
Use the distributive property of multiplication over addition to rewrite the sum as a product of two factors, where one of the factors is a sum. 6yz - 54y 14) A) 6y(z - 9) B) 6y(z - 54) C) 6y(z + 9) D) 9y(z - 6) you help with this problem??
March 15, 2010

Math
Thanks for explaining. I understand now.
March 15, 2010

Math
No, i figured out this one i think its 1 Thanks
March 15, 2010

Math
A delicatessen serves 13 kinds of sandwiches and 5 kinds of chips. How many different sandwich and chip lunches can they make if each lunch has one sandwich and one bag of chips? A) 13 B) 1 C) 65 D) 18
March 15, 2010

Math
Thanks, I think this is correct. I n elp w/ the concepts.
March 15, 2010

Math
A man earned $ 3000 the first year he worked. If he received a raise of $ 400 at the end of each year, what was his salary during the 15 th year? A) $ 8600 B) None of these C) $ 5600 D) $ 9000
March 15, 2010

Math
I have more i dont understand?? Use the distributive property of multiplication over addition to rewrite the sum as a product of two factors, where one of the factors is a sum. 14) 6yz - 54y A) 6y(z - 9) B) 6y(z - 54) C) 6y(z + 9) D) 9y(z - 6) explain
March 15, 2010

Math
Give a verbal, visual, numerical, and graphic representation for the idea one and one-sixth.
March 15, 2010

Math
For U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z} identify the following. 5) C A) {v, w, x, y, z} B) {q, r, s, t, u} C) { } D) {v, z}
March 15, 2010

Math
Thanks I understand
March 15, 2010

Math
Find the number of subsets of the given set. 4) {mom, dad, son, daughter} a. 16 b.14 c.12 d. 8
March 15, 2010

HRM/240
Thank you Ms. Sue. I will do the best I can. Have a good evening.
March 14, 2010

HRM/240
I have to write an affirmative action policy. I have looked at examples but I am so confused as to which way I am suppose to write this thing. Any suggestions?
March 14, 2010

Biology
11. You are searching for a gene that traces its ancestry to an ancient gene in fish. Evolutionarily older fish, like the coelacanth, have only one copy of this gene. More modern fish, like a three-spine stickleback, have three. Modern humans and mammals have no homologous ...
March 14, 2010

Phychology of Human Sexuality
Write a 700 to 1,050-word paper Format your paper according to APA guidelines. -The following points should be covered in your paper: -Trace the movements of the sperm and the egg from their development to fertilization. -Describe the function of each of the male and female ...
March 13, 2010

French
Could you check these thanks. We are working on les actions réciproques. 1. Pierre parle à Marie. Marie parle à Pierre. Answer: Ils se parlent. 2. Pierre aime Marie. Marie aime Pierre. Answer: Ils se aiment. 3. Je t'aime. Tu m'aimes. Answer: Nous ...
March 11, 2010

french
Part 2 directions: complete with either es, s, ées, 1. Voilà les photos que j'ai --------. (prendre) Answer: prises 2. C;est toi qui les as --------? (prendre) Answer: prises 3. Bien sûr! Je t'assure que je ne les ai pas ---------.(acheter) Answer: ...
March 9, 2010

French
Could you check these please Part 1 Directions: Complete with either e,es,ées, or s. J'ai pris ------- des photos. J'ai envoyé --------- les photos que j'ai pris --------- à mon amie Catherine. Je les ai envoyé --------- la semaine derni...
March 9, 2010

physics
How much energy is produced when the sun converts one kg of hydrogen into helium?
March 9, 2010

calculus
alice is flying a kite. Her hand is three feet above ground level and is holding the end of a 300-foot-long kite, which makes an angle of 57 degrees with the horizontal. How high is the kite above the ground?
March 8, 2010

Math
I can't make this work. Please help? Insert parentheses when necessary to make the number sentence true. 5-3x4/6+4=-9 Thank you!
March 7, 2010

math
a business lady leaves her laundry every Monday, then picks it up the next monday as she drops off more. If she wears a clean blouse every day of the week, how many blouses must she have, in order to visit the laundry only on Mondays?
March 5, 2010

art 100
what are the 5 definitions of art
March 4, 2010

Enviromental Science
Show Chemical balance of Sulfuric acid and Calcium hydrozide based on ion charges
March 2, 2010

algebra
simplify -5y^4(y^5)^2 /15y^7(y^2)^3
March 1, 2010

MATH
Illustrate with an example that (a + b) - c = a + (b - c) in the set of whole numbers
March 1, 2010

chemistry
how much heat will be released if 30 grams of octane is burned in excess oxygen?
February 28, 2010

statistics
if the mean of a distribution is M=48, what is the new mean if each score is divide by 3/4, and then 35 is subtracted from each
February 26, 2010

california history
what is a good topic for a history presentation ca history only between the years 1850-1870.
February 25, 2010

4th grade social studies
over thousands of year, some Paleo-Indian groups?
February 24, 2010

Environmental Science
4. You may never live in a big city, but we must all find ways to lower our environmental impact. What can the average citizen do with a minimum of cost and inconvienence to become more environmentally friendly?
February 24, 2010

Environmental Science
1. How has the size and location of big cities changes since the year 1900? 2. Describe the major problems in today's large cities and teh cause of these problems. 3. What can be done to help solve these problems? 4. You may never live in a big city, but we must all find ...
February 24, 2010

6th grade math
can a rectangle with sides 2 and 4 be similer to a triangle with sides 2 and 3? can you please explain this?
February 24, 2010

Environmental Science
Describe the major problems in today's large cities and teh cause of these problems?
February 24, 2010

6th grade math
can a rectangle with sides 2 and 4 be similer to a triangle with sides 2 and 3? can you please explain this?
February 24, 2010

Chemistry
If 0.670mol of liquid Br2 and 460mL of 1.72M aqueous NaI are reacted stoichiometrically according to the balanced equation, how many moles of liquid Br2 remain? Round answer to 3 sig figs. 2NaI(aq) + Br2(l) -> 2NaBr(aq) + I2(s) Additional Information: MM of Br2 = 159.81 g/...
February 21, 2010

math
Would you rather receive simple interest at the rate of 10% per year or 1% per month? Explain.
February 21, 2010

Physics
I need to sketch a 45 deg - 45 deg - 90 deg triangle and indicate the lengths of each side assuming the hypotenuse is = to 1 meter
February 19, 2010

choir
i am taking intro to music what words are good to use to critique a choir concert
February 19, 2010

French
Could you check this please thanks Part 1 Directions: Au téléphone: Complétez en utilisant les verbs entre parenthèses. 1. Je --------- dans la cuisine quand le téléphone ---------. (travailler, sonner) Answer 1: travaillais Answer 2: ...
February 19, 2010

physics
high
February 19, 2010

French
Could you check these thanks Part 1 Directions: Vrai or Faux? 1. --------- Les passagers récupèrent leurs bagages avant d'embarquer. Answer: vrai 2. -------- Les passagers récupèrent leurs bagages après avoir débarqué. ...
February 17, 2010

algebraq
factor the polynomial completely 26xy - 39y - 16x + 24
February 16, 2010

Biology
yes your answer is just fine, but i asked why it could be useful and you gave me crime scene
February 15, 2010

chemistry
What is the freezing point of a solution that contains 10.0 g of glucose (C6H12O6)in 100.g of H20? Kf for water is 1.86C/m.
February 15, 2010

psychology
Little Nero is a lost neurotransmitter who just found himself atop a receptor of the receiving dendrite and nees to get his charge to the neighboring neuron,, need to give detailed instructions to Little Nero so he is able to reach a successful action potential??
February 11, 2010

psychology
How does attitude affect Psychological and social function
February 10, 2010

grammar 7th grade
i dont know
February 8, 2010

Math 9
5 x 10^n = 5 Can someone please tell me the steps to solve for n? thank you!
February 5, 2010

social policy
What does due process have to do with human services consumers, programs, and/or policies?
February 5, 2010

physics
A car is speeding up and has an instantaneous velocity of 1.0 m/s in the +x-direction when a stopwatch reads 10.0 s. It has a constant acceleration of 2.0 m/s2 in the +x-direction. (a) What change in speed occurs between t = 10.0 seconds and t = 13.0 s?
February 2, 2010

physics
An airplane lands and starts down the runway at a southwest velocity of 44 m/s. What constant acceleration allows it to come to a stop in 1.3 km?
February 2, 2010

Math
A woman driving a care 14ft long is passing a truck 30 ft long. The truck is traveling at 50 miles per hour. How fast must the woman drive her car so that she can pass the truck completely in 6 seconds?
February 2, 2010

physics
f a pronghorn antelope accelerates from rest in a straight line with a constant acceleration of 1.5 m/s2 , how long does it take for the antelope to reach a speed of 20 m/s?
February 2, 2010

physics
f a pronghorn antelope accelerates from rest in a straight line with a constant acceleration of 1.5 m/s2 , how long does it take for the antelope to reach a speed of 20 m/s?
February 2, 2010

chem
Suppose you need to extract an organic substance S from water into ether, where the distribution constant Kdist = [S]org/[S]aq is at first unknown. a) By testing the solubility of the material in each solvent under saturating conditions at room temperature, you find that it ...
February 2, 2010

chem
a. One can use pH differences to separate basic substances from non-basic ones. Which of the following would be suitable for use in the aqueous phase to achieve the separation of phenol from naphthalene: K2HPO4, K3PO4, (CH3)3NHCl, (CH3)3N, NaHCO3, Na2CO3? Explain your answer. ...
February 2, 2010

organic chem
a. One can use pH differences to separate basic substances from non-basic ones. Which of the following would be suitable for use in the aqueous phase to achieve the separation of phenol from naphthalene: K2HPO4, K3PO4, (CH3)3NHCl, (CH3)3N, NaHCO3, Na2CO3? Explain your answer. ...
February 2, 2010

organic chem
Suppose you need to extract an organic substance S from water into ether, where the distribution constant Kdist = [S]org/[S]aq is at first unknown. a) By testing the solubility of the material in each solvent under saturating conditions at room temperature, you find that it ...
February 2, 2010

enghish
Title: The Sword in the Stone From Le Morte Darthus Sir Thomas Malory Retold by Keith Baines
February 1, 2010

enghish
As a romance hero, Arthur displays the quality of generosity when he? A)forgives the nobles for delaying his succession to the throne. B)tells Sir Ector that he, not Sir Kay, removed the sword from the stone. C)first tries to pull the sword from the stone. D)makes his foster ...
February 1, 2010

English - Mari Djata
What causes Mari Djata to walk? a)A voice from Allah tells him it's time. B) He wants to save his mother from further humiliation. C)He walks in response to a taunt from a child. D)His father reminds him that he is a lion among men.
February 1, 2010

english 4
At the opening of A Separate Peace, Why does the narrator returns to the Devon School
February 1, 2010

english 4
When Cassius asks Pindarus to report what he sees, Pindarus states that Titinius has been captured. Why is this event an example of irony? At this point the audience knows that Titinius has not been captured. Cassius says he cannot see well, but the strong-sighted Pindarus ...
February 1, 2010

english 4
Creon declares that anarchists are behind the burial of Polyneices. What dramatic irony lies in the declaration? The audience knows that it is the Sentry who buried him. The audience knows that it is a priest who buried him. The audience knows that Creon secretly suspects ...
February 1, 2010

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