Sunday
April 20, 2014

Posts by Ron


Total # Posts: 299

statisitcal biology
I am doing a chi-square test between two categorical values. Gender vs sport played. How would i world the research question? RQ: Men participate in sport more than women? is this correct?

biology
why is the cycle of some types of cells faster than in others, and which part of the cell cycle is the most variable in length

health
The answer is in the patent's name. Multiple Sclerosis is a hardening of the Myelin sheath that covers the nerve.

Math
Hosni gave the following argument that -(a + b) = -a + -b, for all integers a and b. If the argument is correct, supply the missing reasons. If it is incorrect, explain why not. - (a + b) = (-1) (a + b) = (-1) a + (-1) b = -a + -b

chemistry grade 12
Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O so i have N +5 to +4 net charge = -1 I 0 to +5 net charge = +5 i add coefficient where the oxidation number is changing. in this case I2 + 10HNO3 --> 2HIO3 + 10NO2...

chemistry grade 12
Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O so i have N +5 to +4 net charge = -1 I 0 to +5 net charge = +5 i add coefficient where the oxidation number is changing. in this case I2 + 4HNO3 --> 2HIO3 + 4NO2 +...

chemistry grade 12
Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O b) MnO4- + H+ + Cl- --> Mn2+ + Cl2 + H2O I know how to give each atom oxidation number but after i don't know how to apply the method.

chemistry grade 12
Thanks DrBob222 for previous answers. Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O b) MnO4- + H+ + Cl- --> Mn2+ + Cl2 + H2O

chemistry grade 12
Canada is a major producer of aluminum by the electrolysis of bauxite. However, there are no bauxite mines in Canada, and all the ore must be imported. Explain why aluminum is produced in Canada. Be sure to cite your sources.

chemistry grade 12
Explain why the top of a commercial 1.5 V dry cell battery is always marked with a plus sign.

chemistry grade 12
Explain why, in redox reactions, the total increase in the oxidation numbers of the oxidized elements must equal the total decrease in the oxidation numbers of the reduced elements.

english
hey, i need help citing a poem for my paper. Its a poem published in a book but i found it on a website. which one do i site and how in MLA?

gr 9 math
2x + 77 = 53 - 48x

english
a repost of the above informaton. please can you tell me if my information that I wrote is Ok

english
I have to write a paper on a detail dealing with a problem in a medical supply office. 10 years ago Liz Jakowski promote me to office manager. I manage two employees: jack snyder and ruth disselkoen. My office provide office support for members of the executive team. Two years...

english
i had to write a paper on the details tht show the impact of the problem (effects)on jack, ruth, and the company section 2 the steps needed to change the situation reason to implement each step, inc luding the benefits to your employees, your role in the change could you tell ...

english
please can someone tell me that my paper is ok. I reposted the corrections and would like to know if they are Ok. For the past three months work-related problems have occurred, causing conflicts between co-workers. The ongoing problems require attention, so we can better assis...

english
I posted a question about the following: Details that show the impact of the problem (effects) on Jack, Ruth and the company Section 2 The steps needed to change the situation Reason to implement each step, including the benefits to your employees, your supervisor, and the com...

english
this is the repost to my english homework could u please tell me that it's ok? this what i got: For the past three months work-related problems have occurred, causing conflicts between co-workers. The ongoing problems require attention, so we can better assist our daily cl...

english
repost to above question, is my grammar ok and do the paragraph sound ok. sorry, i forgot to put corrects in. Here are the corrections: During the last past three weeks problems that were work-related brought about a particular scenario which involved Jessica Hilo who took a m...

english
repost to above question, is my grammar ok and do the paragraph sound ok.

english
i had to write a paper on the following: details that show the impact of the problem (effects) on jack ruth and the company section 2 the steps needed to change the situation reason to implement each step, including the benefits to your employees, your supervisor, and the comp...

science
how do i reword this purpose staetment for my experiment? Lab Manual: Purpose: To measure a physiological quantity,your reaction time to both audio and visual stimulus. Rewording: To scientifically measure the test subjects reaction time in both audio and visual stimulus.(is t...

Physics(quick Check)
can you help us out with one more question math mate?

Physics(quick Check)
Southwesterly? beacuse they equal one another?

Physics(quick Check)
i am not sure if i am correct. A 650-N force acts in a northwesterly direction. A second 650-N force must be exerted in what direction so that the resultant of the two forces points westward? A: southeasterly It is from the southeasterly direction rite beacuse it forces the fo...

physics
hey i attempted this question but i dont know if its right. can some one check for me and correct it? If an antelope accelerates from rest in a straight line with a constant acceleration of 1.71 m/s2 how long in seconds does it take the antelope to reach a speed of 26.1 m/s ? ...

religion
How do contemporary Buddhist practices reflect the foundations of the religion?

college
in recent decades, lobbyists in washington, d.c. have increasingly

cameze
no

Math
For i = the square root of -1, if 3i (2 + 5i) = x + 6i, then x = ? A. –15 B. 5 C. 5i D. 15i E. 27i

Math
cot75

Business Communication
A) Avoid jargon of any sort

math
hi

The court system
I need to write a 1400 word paper comparing the entertainment fiction of the court system with its reality. Describe the fictional portrayals of the courtroom including the trial process, the roles of the prosecution and defense, the roles of the courtroom participants and the...

Physics
but there is only one correct answer

Physics
A v vs t graph is drawn for a ball moving in one direction. The graph starts at the origin and at t=5s the acceleration of the ball is zero. We know that at t=5s, a) the curve is not crossing the time axis b) the velocity of the ball is not changing c) the slope of the curve i...

Court system
I need to write a 200-300 word response comparing the state court system in Ohio and the federal court system. Compare these two by structure, source of laws and they types of cases that are heard.

calculus
find all intercepts x^2-4/x-1 show work

calculus
find all x,y intercepts of x+6/x-3 show work

Mathematics
1.35*10^3

biology
can h202 be broken down by catalysts other than those found in living systems ?

Physics
Do I multiply the 1 u by the mass of the aspartame then add them up . and for the mass of kg what is the conversion factor.

Physics
The artificial sweetener NutraSweet is a chemical called aspartame (C14H18N2O5). (a) What is its molecular mass (in atomic mass units)? u (b) What is the mass (in kg) of an aspartame molecule? kg I know I have to get the totally mass of the aspartame, but I'm unsure how to...

Physics
Three moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 430 to 160 K. (a) What is the work done by (or done to) the gas? Include the algebraic sign. J (b) What is the change in the internal energy of the gas? Include the algebraic sign. J

chemistry 2
A saturated solution of Mg(OH)2 has a pH of 10.52. What is the Hydronium concentration? Whats the hydroxide concentration? Is this solution acidic,or basic?

chem 203
Br2=2Br When 1.05 mol of br2 is placed in a .950L flask, 1.20% of Br2 undergoes dissociation. Calculate the equilibrium constant Kc, for this reaction. Use ICE table.

Math
Can anybody translate (y + 3)(y -2)

economics
Will it be true, false, or uncertain ?if people who was laid off return back to work that according to the productive possibility graph with a shift outward/right that butter and guns would increase. Explain.

Math
The width of a standard newspaper column is 2.625 in. and the length of a standard column is 19.5 in. Express the ratio of the two measurements as a ratio of whole numbers. The answer is 7/52 but I cannot for the life of me figure out how.

social science
By way of the ppf curve a shift inward is displayed. What would the technological change be?

Math
How would you solve this (2a^4)^2

Albebra
c squared-4c-12=0 we have to solve each equation by completing the square.

physics
how to i find average speed? the problem says. a driver set outa journey for the first half she drives at 30mi/h and second half 60mi/h. Find the driver's average speed?

algebra
the answer is C because 6-6=2-2

9-11
What are some things that have changed after the 9-11 incident?

social studies
What is the role of the witness in the courthouse? What is the role of lawyer? You can look up both roles in a dictionary and/or a search engine such as Goofle. http://www.answers.com/witness http://www.answers.com/lawyer

social studies
what is courthouse. What is the role of the people working there. What happens there. A courthouse is the place where a judge or group of judges hear and decide decisions. In addition to the judges there are usually court officers who act in policing the court and providing or...

Anthropology
What do you think are the relative contributions of individual ideas and actions and the sociocultural context in which individuals live to the conditions depicted in Bourgois’ “Office Work and the Crack Alternative”? How would you compare individual ideas and t...

culture
“They say you Americans can do anything. So why can’t you make your own cocaine and let our children come home from the coca plantations in the Chapare?” (quoted in Weatherford). Can you answer this question? What do you think would be the costs and benefits of...

Anthropology
What is “cultural” about the ways societies organize their economic systems? Think about the dominant economic system in the U.S. (production of goods and services, technology, allocation of resources, division of labor). What are some of the culturally constructed i...

Critical Thinking 205
So I've been searching, checking the web on many different search engines, the college library. and have not found an example of a nonprejudicial rhetorical device. So it would be safe to say there is no such thing as a nonprejudicial rhetorical device? Rhetorical devices ...

English(its related to business writing class)
Hi I have to write Request Letter. The professor said becareful about these 2 points. 1. Use full block style. 2. Project a "you attitude." What does this both mean, can you explain to me in simple English, since english is my second language. :) Here's a good we...

chem
Predict the order of the increasing vapor pressure for the following compounds: FCH2CH2F FCH2CH2OH HOCH2CH2OH Result:the order its written that the oreder it's increasing but im not sure

chem
Of the floowing compound, which would you exoect to have the lowest vapor pressure at room temperature: CHCl3 CH2Cl2 CH3Cl CCl4 From my result I think it is CH2Cl2

math
Samantha’s speedometer reads in kilometers per hour. If the legal speed limit is 55 mi/h, how fast can she drive? How should I set this up? 160 kilometers per hour is 100 miles 55 miles is 88 kilometers. Here in New Zealand we are in kilometers

English
Does anybody know any websites that will give me information on the benefits and salaries that a store manager and a hand model( jewelry and perfume) earns http://www.payscale.com/research/US/Job=Retail_Store_Manager/Salary I could find no information on "hand models&quo...

Astronomy
Imagine that you are on a mission to explore a pulsar type star. What will you find there on pulsars and pulsar planets. Using this information, describe what you might encounter on your space mission. Thank you for using the Jiskha Homework Help forum. Rather than my posting ...

Astronomy
Imagine that you are on a mission to explore a pulsar type star. What will you find there on pulsars and pulsar planets. Using this information, describe what you might encounter on your space mission. Be sure to include references of your sources. Be careful to avoid using un...

physics(airplane)
Hi, Does anybody know any websites or ideas of how to make an airplane without any paper (cardboard is allowed). Please help.

English
im an only child and parents are too busy to help so, i need to interview someone that went to school 20 years ago and i was wondering if anyone would like to help me. Theses are my 7 questions because i already have 3 answered: 1.How was school like back then for you? 2.What ...

science
what is freezing and boiling point of sugar. Several sources on the Internet list the melting point as 160-186 with decomposition. The Merck Index lists "dec. 160-186. Chars and emits characteristic odor of caramel." Since it decomposes at 186, the boiling point is n...

History
Was Hitler one of the reasons why World War II began? http://en.wikipedia.org/wiki/World_War_II#Cause_of_war_in_Europe Yes, because he threatened world peace as a dictator when he and Germany showed agression against other countries; shortly after, WWII began. P.S.- same thing...

physics
Describe the energy conversions that occur in each of the following devices: a. an incandescent lightbulb b. a clothes dryer c. a digital clock radio We will be happy to critique your thinking. Heat is produced in all, and some light is produced in two. One also produces motion.

English
Yes, A rasin in the sun by Lorraine Hansberry OK what is your question? Are you looking for a theme? do you have any questions that need to be answered, cuz I have a whole list of them for every act First off thank you for helping me! This the? What are some major themes shown...

Math
I don't want the answer I want to know how you solve the problem! A restaurant manager bought 20 packages of bagels. Some packages contained 6 bagels each, and the rest contained 12 bagels each. There were 168 bagels in all. How many packages of 12 bagels did the manager b...

Math
A restaurant manager bought 20 packages of bagels. Some packages contained 6 bagels each, and the rest contained 12 bagels each. There were 168 bagels in all. How many packages of 12 bagels did the manager buy? A 6 B 8 C 9 D 12 D 12

math
For a wedding, Shereda bought several dozen roses and several dozen carnations. The roses cost $15 per dozen, and the carnations cost $8 per dozen. Shereda bought a total of 17 dozen flowers and paid a total of $192. How many roses did she buy? A 6 dozen B 7 dozen C 8 dozen D ...

science
Is the active ingredient in red tomatoes Lycopene? Active for doing what? Research indicates that lycopene is one of several ingredients that are effective in reducing prostate cancer risk in rats. See http://news.bbc.co.uk/2/hi/health/3239483.stm Lycopene is also the ingredie...

English
In the Great Gatsby what is Jordan’s Nick’s Daisy’s, and Tom’s motivation, hope, or dream. I haven't read this work. The best suggestion I can make is that you go to one or both of these websites, look up this book, and see if they have insights you can...

physics
Sound does not travel through a vacuum. How do we know that light does? Explain how you can see ordinary nonluminous classroom objects. Light? Thru what medium does starlight reach us? We see nonluminous objects mainly with reflected light.

chemistry
I am doing a project on medicinal plants. I planted red tomatoes, but I can't find any website that provides me info that it is medicinal. If you know any websites on red tomatoes that shows that it is medicinal please tell me. Oh tomatoes in my country we use for skunk sm...

chemistry
Does anybody know any websites that there are chemistry labs that could possibly be used in a CSI investigation? I can’t find anything. http://antoine.frostburg.edu/chem/senese/101/organic/faq/amino-acid-test.shtml

Chemistry
What does a saline solution of 0.9% mean quantitatively? (Per 100 gram solution; percent by mass) 0.9 g NaCl + 99.1 g H2O. Thanks!

brain teaser help
I A S W A A Thank you for using the Jiskha Homework Help Forum. Here is your answer! AcronymDefinitionIASWAAIt's A Small World After All (song)

English
Does anybody know the author to the poem The Tide Risen the Tide Falls? by: Henry Wadsworth Longfellow

chemistry
Hi, Does anybody know any good websites that can teach me step-by-step basic chemistry (through power points) to AP chemistry? I would greatly appreciate it! Since this is not my area of expertise, I searched Google under the key words "AP chemistry course" to get th...

Microbiology
What is the diferece between a partial diploid clone and a partial diploid cell?

trig question
h=28-25*sin((t-1/15)/(3pi)) t is in minutes h is in meters

Algebra 2
Adding 1 to which digit will increase 736,419 by ten thousand? i think is 3... bill has four more dimes than nickels, and seven fewer nickels than pennies.he has a total of $3.35. how many of each kind of coin has he? bill has four more dimes than nickels, and seven fewer nick...

difference between 10k, 14k, 18k gold
what is .925 gold is it better than 24k

percentages
Hi I want to know what one amount is a percentage of another example what is 0.74 and a percentage of 4.91 thanks What is the percentage of .74 of 4.01? percent= .74/4.02 * 100 Thank You !!!!!!

chemistry
Thanks!

Bio
1.cAMP MOLECULES BIND TO THE ________ subunit of_______ a. catalytic, PKC B. regulatory, PKA C. Regulatory, PKC d. Catalytic, PKA I THINK THE RIGHT ANSWER IS "B", PLEASE HELP

Bio
The _______ - subunit of most heterotrimeric G-proteins binds the guanine nucleotides and acts as a _________. a. beta, ATPase b. gamma, GTPase c. alpha, ATPase d. gamma ATPase c. alpha, GTPase I think the right answer is "E" but not sure please help E is correct. Th...

cell biology
1.The________particle halts the translation of the mRNA to a polypeptide before checking to the ER a. singal recognition, permanently b. signal recognition protein receptor, permanently c. singal recognition, temporarily d. signal recognition protein receptor, temporarily I th...

Bio
The binding of alanine to tRNAala is mediated by the enzyme...... a. aminoacyle-tRAN SYNTHSE b. amino-tRAN SYNTHSE c. aminoacyle-tRAN synhetase d. amino-tRAN syntase I think the right answer is c, but not sure. Please check

biology
1. The process by which the ER uptakes an incipient polypetide concurrent with treanslation of the peptide is called..... a. co-import translation b. co- translation import c. co-transcription import d. co-transprt I believe the answer is "c" please check I think not...

biology
1. The number 1,2 and 3 are the nucleotides of the anticodon for the mRNA codon 5' AUG 3'. Thus in order of 1, 2 and 3 the sequence of this anitocodon is...... a. UTG b. ATG c. GUA d. CAU I believe the answer is "d", Please check

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