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April 16, 2014

Search: ci

Number of results: 165

Physics
Q could not change, no flow of current but the initial capacitance Ci may change Ui = .5 Q^2 / Ci so what happens to C ? K = C/Ci so now C = K Ci Uf = .5 Q^2 / (K Ci) so Uf/Ui = .5 Q^2 / (K Ci) /.5 Q^2 / (Ci) = 1/K or B)
Sunday, February 3, 2013 at 6:38pm by Damon

Chemistry
One chirality of CH3CHCICOOH is shown below. COOH | C H3C/ \CI - - - H Identify the image(s) below that excibit the opposite chirality. Select all that apply. (a) COOH (b) H | | C C _ | _ / \ _ | _ H3C CI _ | _ _ _ | _ _ CI | CH3 _ H COOH (c) CI (d) COOH | | C C / \ / \ H COOH...
Tuesday, May 7, 2013 at 1:04pm by Anonymous

chemistry
Two new metallic elements have been discovered, Cimium (Ci) and Sadowium (Sd). Both the pure elements and their solutions form simple cubic lattices. The bond strengths of the Ci-Ci and Sd-Sd bonds are known, but not the Ci-Sd bond. Bond Bond Energy (kJ/mole) Ci-Ci -245 Sd-Sd...
Tuesday, November 12, 2013 at 11:54am by Harold

Chemistry
Two new metallic elements have been discovered, Cimium (Ci) and Sadowium (Sd). Both the pure elements and their solutions form simple cubic lattices. The bond strengths of the Ci-Ci and Sd-Sd bonds are known, but not the Ci-Sd bond. Bond Bond Energy (kJ/mole) Ci-Ci -245 Sd-Sd...
Friday, November 15, 2013 at 8:46am by HelpMePLSSS

Chemistry
Two new metallic elements have been discovered, Cimium (Ci) and Sadowium (Sd). Both the pure elements and their solutions form simple cubic lattices. The bond strengths of the Ci-Ci and Sd-Sd bonds are known, but not the Ci-Sd bond. Bond Bond Energy (kJ/mole) Ci-Ci -245 Sd-Sd...
Saturday, November 16, 2013 at 7:06pm by youlifex

chem
Hi in this question A typical intravenous dose of I-125 for a thyroid diagnostic test is 100 u Ci. What is this dosage in megabecquerels (MBq)? (3.7 x 1010 Bq = 1 Ci) my book solved it like this: 100 u Ci * 1Ci/1x10^6uCi * 3.7x10^10/1Ci * 1MBg/1 x 10^6 Bq = 3.7 MBq. My ...
Monday, May 2, 2011 at 9:18am by Blaze

chemistry
Hi in this question A typical intravenous dose of I-125 for a thyroid diagnostic test is 100  Ci. What is this dosage in megabecquerels (MBq)? (3.7 x 1010 Bq = 1 Ci) my book solved it like this: 100 u Ci * 1Ci/1x10^6uCi * 3.7x10^10/1Ci * 1MBg/1 x 10^6 Bq = 3.7 MBq. My ...
Monday, May 2, 2011 at 1:11am by Blaze

Statistics
Can you explain confidence intervals as it relates to the results of this obesity study? Results. Of 3069 sampled students, 2681 (87%) were measured. The prevalence of overweight was 43% (95% confidence interval [CI] = 39%, 47%), more than half of whom were obese. Overall ...
Monday, January 7, 2013 at 7:57pm by DJ

statistics
Population Mean: 170 STD: 62.3 Sample size 100 95% CI 99%CI
Monday, February 10, 2014 at 1:12pm by Anonymous

General Chemistry
Calculate the E of the following cell if [CIO3] = 1.5M, [H]= 0.5M, [CI]=1.0M and [CU2]= O.25M: CI03 + 3CU + 6H = CI- +3Cu2+ +2h20
Monday, November 22, 2010 at 7:03am by Ashley

chemistry
The atomic mass of chlorine is listed as 35.454 amu on the periodic table. It has two naturally occurring isotopes, CI-35 and CI-37. What are the approximate percentage of each?
Thursday, September 20, 2012 at 6:03pm by Sara

Pre-Algebra
how can you tell which end of a worm is his head??!! wtf!? This is why I hate math!! it sucks and if you need the answer here tickle it in the middle and see which end laughs.......... haha so funny not....... thnx for the help on the other one ;)
Tuesday, September 15, 2009 at 11:25pm by Ci-Ci

chemistry
Determine the activity of 1.11 g of 88Ra226 (a) in disintegrations per second (Bq) (b) and in Curies (Ci). The half-life is 1600 yr (1 yr = 3.156 x 10^7 s). 1 Ci is equal to 3.7 x 10^10 Bq.
Friday, July 27, 2012 at 5:19pm by Beth

college
if a sample of the radioactive nuclide 139cs has an activity of 0.0730 ci, what is the instantaneous rate of decomposition of 139cs in terms of grams per second? the mass of 139cs is 138.9134 amu. 1 ci 3.700 × 1010 disintegrations/ s, 1 amu 1.66054 ×10–24 g
Monday, May 3, 2010 at 10:07am by Anonymous

Chem
If a sample of the radioactive nuclide 139Cs has an activity of 0.0730 Ci, what is the instantaneous rate of decomposition of 139Cs in terms of grams per second? The mass of 139Cs is 138.9134 amu. (1 Ci = 3.700 × 1010 disintegrations/s, 1 amu = 1.66054 × 10–24 g)
Monday, May 3, 2010 at 12:16pm by Alicea

ci
I LOVE this! Do you have any idea what "CI" means to me? Counter-intelligence Confidential Informant Confidential Information Crazy Ivan, a U.S. Navy term for a Soviet submarine maneuver Compliance Inspection (USAF) Chief Inspector, a police rank Commander's intent, a summary ...
Saturday, November 19, 2011 at 4:54pm by SraJMcGin

chemistry
The dosage of technetium-99m for a lung scan is 20 μCi/kg of body weight.How many millicuries should be given to a 65.0-kg patient? (1mCi=1000μCi)Suppose a person absorbed 54mrads of alpha radiation. What would be the dose equivalent in mrems?
Thursday, December 5, 2013 at 10:21pm by lana

Physics
Determine the activity of 1.11 g of 88Ra226 (a) in disintegrations per second (Bq) (b) and in Curies (Ci). The half-life is 1600 yr (1 yr = 3.156 x 10^7 s). 1 Ci is equal to 3.7 x 10^10 Bq. I keep getting the wrong answer and use the equation H=kNo
Sunday, July 29, 2012 at 12:18am by Beth

maths --plse help me..
(a+b+c)^7 = (a+b+c)*(a+b+c)*(a+b+c)*(a+b+c)*(a+b+c)*(a+b+c)*(a+b+c) will be of the form a^7 + c1*a^6*b + c2*a^6*c + c3*a^5*b^2 + c4*a^5*c^2 + c5*a^5*b*c + . . . . where c1, c2, c3 are constants found when doing the actual expansion. so all the terms in the expansion are of the...
Sunday, December 9, 2012 at 1:02am by Jennifer

Math
How about calculating compound interest CI = P * {(1+ R/100)^N} P = Principal R = Rate of interest N = No. of years CI is the compound interest generated So you first go for the bracket (1+ R/100) ---- B then do the "^N" --- O and then finally multiply by "P"---M we follow ...
Tuesday, October 20, 2009 at 2:24pm by Vipster

chemistry
The safe level of radon gas at home is 4X10e-12 Ci/L or less. If you measure radon levels in the basement what is the maximum number of Ci that could be safe to find in a basement with dimensions of 12 ft x 15 ft x 6 ft?
Monday, September 24, 2012 at 5:33pm by Shay

statistics
Try using a binomial proportion CI formula: CI95 = p + or - 1.96(√pq/n) ...where p = proportion in the problem, q = 1 - p, n = sample size, √ = square root, and + or - 1.96 represents 95% CI using a z-table. Your data: p = .3 q = .7 n = 850 Substitute values into ...
Friday, October 4, 2013 at 12:30pm by MathGuru

home economics.
Check this list. http://www.cde.ca.gov/ci/ct/he/
Sunday, September 9, 2007 at 1:21pm by Ms. Sue

Home Economics
Check this site. http://www.cde.ca.gov/ci/ct/he/
Saturday, September 20, 2008 at 9:28pm by Ms. Sue

Statistics
Try using a binomial proportion CI formula: CI90 = p + or - 1.645(√pq/n) ...where p = proportion in the problem, q = 1 - p, n = sample size, √ = square root, and + or - 1.645 represents 90% CI using a z-table. Your data: p = 200/500 q = 1 - p n = 500 Convert all ...
Sunday, May 15, 2011 at 11:22pm by MathGuru

ci
A researcher is interested in whether students who attend private high schools have higher average SAT Scores than students in the general population. A random sample of 90 students at a private high school is tested and and a mean SAT score of 1030 is obtained. The average ...
Saturday, November 19, 2011 at 4:54pm by Tony

physics
In a series capacitor configuration, each capacitor has the same charge. The voltage across the "ith" one is Vi = Q/Ci The smallest Ci has the largest voltage drop. The equivalent capacitiance C of the series of capacitors is LESS than any individual one, since 1/C = 1/C1 + 1/...
Friday, January 29, 2010 at 8:21am by drwls

physics-reciprocal conversions Curie and Becquerel
Why so many sources give different values for reciprocal conversions Curie and Becquerel? 1 Ci = 3.7 x 10^10 Bq or 37,000,000,000 1 Bq = 2.7 x 10^-11 Ci or 0.000000000027
Monday, April 4, 2011 at 12:51am by Anonymous

6th grade geography
Thank you for using the Jiskha Homework Help Forum. Please visit the following site: http://www.ci.bremerton.wa.us/display.php?id=704 Sra
Tuesday, November 11, 2008 at 10:26pm by SraJMcGin

art
a video technician must be knowledgable as to These sites will give you a job description. http://www.ci.madison.wi.us/hr/jobspecs/Videotec.htm (Broken Link Removed) jikojnkjhnkljhn,n,m
Wednesday, January 24, 2007 at 4:43pm by Anonymous

stats
N=30 http://www.milefoot.com/math/stat/ci-variances.htm
Sunday, March 31, 2013 at 6:43pm by bobpursley

French
Just a little elaboration: If "this" stands for a masculin noun, such as a basket (un panier), or a bag (un sac), you could say Y a-t-il des oeufs dans celui-ci? If it stands for a feminine object, such as a pocket (une poche), or a plate (asiette), then we would use the ...
Sunday, August 18, 2013 at 3:03am by MathMate

french
okay
Tuesday, November 25, 2008 at 9:26pm by ci

physics
Thanks, CI
Saturday, April 11, 2009 at 9:56am by charlie

Math
It's correct.
Wednesday, April 13, 2011 at 7:42pm by Ci

chem
what is the % of CI in CCl4?
Tuesday, September 4, 2007 at 5:18pm by sty

chemistry
Use the equation: delta(w)= 2w(A-B)-w(A-A)-w(B-B) delta(w)= 44.6 (A-A)Ci-Ci=-245 (B-B)Sd-Sd=-191 44.6 = 2w(A-B)-(-245)-(-191) w(A-B) = [44.6 - 245 - 191]/2 w(A-B)= -195.7 -195.7
Tuesday, November 12, 2013 at 11:54am by Random

College Algebra
If CI=C, find I C= 2 3 0 1 1 0
Wednesday, December 11, 2013 at 4:56pm by Sarah

hypothesis testing and CI
ƒŹ = mu
Wednesday, November 10, 2010 at 11:15pm by lubna

Statistics
95% CI = (6.21, 7.69)
Sunday, October 9, 2011 at 3:53pm by Hope

french
wow so many mistakes O_O! merci beaucoup!
Tuesday, November 25, 2008 at 9:26pm by ci

statistics
why is the 4% important to the CI? Please give an example.
Saturday, May 29, 2010 at 10:38am by cortez

Chemistry
Ok thanks. What is the answer to the second one using CI
Saturday, October 26, 2013 at 11:02pm by Grace Peterson

Chemistry
which of the following has the largest radius A. CI- B. S2- C. K+ D. Ar E. Ca2+
Saturday, March 5, 2011 at 4:41pm by emily

geo
http://portal.unesco.org/ci/en/ev.php-URL_ID=1338&URL_DO=DO_TOPIC&URL_SECTION=201.html
Friday, February 12, 2010 at 4:00pm by bobpursley

STATISTICS
CI = .30 + or - .04 Therefore, interval is from .26 to .34 for the proportions.
Monday, September 6, 2010 at 4:53pm by MathGuru

French repost
Matinal! (early bird) This is the demonstrative adjective/pronoun for this (one), that (one), these (ones). The only way to tell if you want it to be "THIS" vs. "THAT" is by adding -ci (this) or -lą (that). The demonstrative adjectives are: ce, cet, cette (this, that) and ces...
Sunday, November 4, 2007 at 9:48am by SraJMcGin

justice
No clue where to start with this...if someone can just help me setup these problems or assist in any way that would be great. 1. d=2.507 g/1.22 mL = 2.054918033 g mL^-1 explain how both the rules for significant figures and the random error calculation (p(d) = +-0.34 g mL^-1) ...
Wednesday, January 24, 2007 at 3:10pm by rich

chemistry
No clue where to start with this...if someone can just help me setup these problems or assist in any way that would be great. 1. d=2.507 g/1.22 mL = 2.054918033 g mL^-1 explain how both the rules for significant figures and the random error calculation (p(d) = +-0.34 g mL^-1) ...
Wednesday, January 24, 2007 at 3:17pm by rich

Polish School
W XIX wieku Polacy podejmowali próby odzyskania niepodleg³o¶ci.
Monday, March 15, 2010 at 6:46pm by petra

statistical applications
The CI gives some indication of how accurate the data is. Do you believe the 4% difference is important?
Friday, May 28, 2010 at 9:21am by PsyDAG

Chemistry.
In which of these compounds is the oxidation state of CI the highest? a) HCIO2 e) HCIO4 Answer is e Is there a formula to solve this ?
Sunday, August 29, 2010 at 10:26pm by Amy~

Calculus
(ai+bj)X (ci+dj)=ad k + bc (-k) so the cross product is only in the third direction.
Monday, June 30, 2008 at 9:06pm by bobpursley

Chemistry help
Hey...I just want to make sure my answers to these questions are correct... 1. d=2.507 g/1.22 mL = 2.054918033 g mL^-1 explain how both the rules for significant figures and the random error calculation (p(d) = +-0.34 g mL^-1) indicate that the digits after the hundreths place...
Wednesday, January 24, 2007 at 6:08pm by Bryant

home economics
This site lists careers in home economics. As in any other field, the more education you get, the more responsility and salary you can get. Most or all of these need at least an associate's degree; most require at least a bachelor's. http://www.cde.ca.gov/ci/ct/he/ Check this ...
Saturday, October 9, 2010 at 7:05pm by Ms. Sue

maths --plse help me..
CI = compound interest SI = simple interest
Tuesday, December 18, 2012 at 2:03am by faizel

chemistry
1 Ci = 1E6 microCi 1 meter = 1E6 micrometers.
Monday, May 2, 2011 at 1:11am by DrBob222

Physics
The decay process is explained better at http://en.wikipedia.org/wiki/Cobalt-60 Each Co-60 nucleus results in one beta electron and two gamma photons. That is three nearly simultaneous radioactive emission processes during the each transmutation, with a 5.27 year half life. ...
Thursday, November 20, 2008 at 4:55am by drwls

literature
I see first person narrative, pathos, and short sentences. What else do you see? Check these sites. http://www.ci.maryville.tn.us/mhs/studyskills/compguide/LitAnaStyle.htm http://sparkcharts.sparknotes.com/lit/literaryterms/section2.php
Friday, September 6, 2013 at 5:40pm by Ms. Sue

Math
Is this an electronic file or paper file? Which ever it is you will need to think about what aspects of the cricket match you want to record. Do you simply want to record in the file the score card for the match? There are many other aspects you might want to record bowler ...
Monday, June 20, 2011 at 8:37am by Dr Russ

6th grade social studies
Check this site. https://www.cia.gov/library/publications/the-world-factbook/geos/ci.html
Wednesday, November 4, 2009 at 5:13pm by Ms. Sue

Biostats
I am having problems in this course with following the professor. Can anyone help me with this problem Thanks need to calculate 99% CI for true mean with the following data: n=100, mean is 126 with sample variance of 402. I have to know the answer, theorems and interpret tne ...
Thursday, June 7, 2007 at 9:51pm by Grace

Home Economics
P.S. In addition, you might like some of the following: 1. http://www.hect.org/ 2. (part II of #1): 3. http://rmc.library.cornell.edu/homeEc/cases/careers.html 4. http://www.cde.ca.gov/ci/ct/he/ Sra
Saturday, September 20, 2008 at 9:28pm by SraJMcGin

world studies
what are some of the buildings near the Seattle Space Needle? Check these sites. http://www.emporis.com/en/wm/ci/bu/sk/?id=101046 http://www.tripadvisor.com/Attractions-g60878-Activities-c8-Seattle_Washington.html
Friday, February 16, 2007 at 7:56pm by tyler

English
what is a good historical fiction book for an 8th grade reader? There are several good historical fiction books listed in these sites. http://www.education-world.com/summer_reading/8th_grade.shtml http://www.ci.torrance.ca.us/Library/11496.htm I can recommend with pleasure ...
Wednesday, March 21, 2007 at 3:54pm by betsy miller

chemistry
Calculate the number of moles and atoms. A)64 gm of O2 B)58.9gm of CI C)90.5gm of (NH4)2SO4 D)243gm of Mg2 Please help i have NO CLUE HOW TO DO THIS THANKS!!!
Tuesday, February 8, 2011 at 2:59pm by twynna

chemistry
Calculate the number of moles and atoms. A)64 gm of O2 B)58.9 gm of CI C)90.5gm of (HN4)2SO4 D)243gm of Mg2
Sunday, February 13, 2011 at 9:05am by twynna

statistics
An experiment was conducted to determine the abrasion resistance of a new type of automobile paint. Twelve different strips of metal were painted with the new paint. The abrasion resistance of each piece was then tested on a machine. In the sample, the abrasion resistance ...
Wednesday, April 2, 2014 at 11:19am by Nicky

Chemistry
The dosage of technetium-99m for a lung scan is 20 μCi/kg of body weight: Suppose a person absorbed 52mrads of alpha radiation. What would be the dose equivalent in mrems?
Friday, December 6, 2013 at 12:52pm by Pat

french
Is this correct meaning I speak a little french. Je parle francais comme ci comme ca?
Sunday, December 9, 2007 at 4:06pm by jay

chem
1 Ci = 3.70E10 dps; therefore, 1 mCi = 1/1000 of that = 3.70E7 dps and that is 3.70E7 Bq
Monday, September 10, 2012 at 5:43pm by DrBob222

Chemistry
One last question...even though no one seems to be willing to help me out without being rude. The blood volume in a cancer patient was measured by injecting 5.0 mL of Na2SO4(aq) labeled with 35S (t1/2 = 87.4 d). The activity of the sample was 300 µCi. After 22 min, 12.9 mL of ...
Friday, April 16, 2010 at 5:35pm by Trixie

french
est qui si la balla tu qu ci du basket ball.du imagrtion la fanes
Sunday, February 17, 2013 at 11:35am by angel

ci = ????????????
If you really want an expert to help you, be sure to follow directions and type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.
Saturday, November 19, 2011 at 4:54pm by Writeacher

SraJMcGin: French
Looking quite good! line 4, don't forget accent on the past participle = inspiré and on the preposition ą, line 5. The word "propre" is still misspelled and it is feminine = la maison. Thank you for explaining this part = Maintenant il a dix notes d'A au niveau de GCSE et ...
Thursday, April 10, 2008 at 4:19pm by SraJMcGin

Pre-calculus-ck answer
Treat the CI as one item, so now you just have to arrange 5 items which is 5! or 120 ways, not 720 correct answer: 120
Monday, October 13, 2008 at 3:13pm by Reiny

victoria Ci
We find an electric field of magnitude E = 1.2 x 107 V/m across a particular nerve membrane. The potential difference between the interior and exterior surface of the membrane is 65 mV. The thickness of the membrane is closest to
Thursday, February 24, 2011 at 3:23pm by Crystal

French III
Hello Part I 3) avec ( with ) 4 ) I don' t know. Part II is ok Part III 1 ) le ( it ) 2 ) nulle part ( nowhere ) 3 ) pour 4 ) celui-ci ( this one ) :)
Thursday, January 7, 2010 at 11:10am by Kanon

french
Thank you for using the Jiskha Homework Help Forum again. "le lundi" = "on Monday." "ce" can mean "this" or "that" so you might say "ce lundi-ci" = this Monday. Mme
Monday, April 7, 2008 at 1:36pm by SraJMcGin

MATH.
What circuit? Calculate individual impedances Xi using Xi = 1/(2 pi f Ci) Use parallel and series circuit rules to solve for individual voltages.
Thursday, May 27, 2010 at 6:16pm by drwls

math
In the theory of relativity, the mass of a particle with velocity v is m=mo/(square root ((1- v^ 2)/ c^2)) where mo is the mass of the particle at rest and ci s the speed of light. What happens as v goes to c?
Friday, August 13, 2010 at 3:31am by Jin

physics
A 3.00x10^-3kg lead bullet travels at a speed of 2.40x10^2m/s and hits a wooden post. if half the heat energy generated remains with the bullet, what is the increase in temperature of the embedded bullet?(ci=1.28x10^2 j/kg degrees C
Friday, January 16, 2009 at 1:09am by mike

science
The recommended dosage of iodine-131 is 4.20 \mu {\rm Ci}/{\rm kg} of body mass. How many microcuries of iodine-131 are needed for a 58.0kg patient with hyperthyroidism?
Monday, November 5, 2012 at 2:32am by Cassie

Statistics
Consider the following table for a single-factor ANOVA. Level of Factor Replicates 1 2 3 1 1 2 5 2 2 4 7 3 2 4 7 (a) Find x1,2. (b) Find x2,1. (c) Find C1. (d) Find x. (e) Find (Ci )2.
Wednesday, October 30, 2013 at 8:29am by Mike

chemistry
k = 0.693/t1/2 Solve for k. # atoms = No = (1.11/88)*6.02E23) = ?No. Then Ro = kNo = ? disintegrations per year. Convert to dps and Ci.
Friday, July 27, 2012 at 5:19pm by DrBob222

Math help
Consider the following table for a single-factor ANOVA. Level of Factor Replicates 1 2 3 1 0 4 4 2 0 5 6 3 1 3 6 (a) Find x1,2. (b) Find x2,1. (c) Find C1. (d) Find x. (e) Find (Ci )2.
Monday, June 17, 2013 at 11:43pm by Sue 11

Nuclear Radiation Technology
T1/2(Ra-226) = 1602 years What is the activity of 1 gram of Ra-226? Give the answer in Ci and Bq? What would be this activity after 1T1/2 and 5T1/2? Someone please help me with this question.
Monday, February 3, 2014 at 11:22am by Fatima

Chemistry
Q1. The blood volume in a cancer patient was measured by injecting 5.0 mL of Na2SO4(aq) labeled with 35S (t1/2 = 87.4 d). The activity of the sample was 300 µCi. After 22 min, 12.9 mL of blood was withdrawn from the man and the activity of that sample was found to be 0.75 µCi...
Friday, April 16, 2010 at 6:35pm by Trixie

English
In "commercial" the "ci" makes an "sh" sound. There are no actual silent letters, though. In "occasion" (note the spelling) the "si" makes a "zh" sound, but again, there aren't any silent letters.
Sunday, April 26, 2009 at 10:29am by Writeacher

Chemistry
The recommended dosage of iodine-131 is 4.20 \mu{\rm Ci/kg} of body weight. How many microcuries of iodine-131 are needed for a 84.0 {\rm kg} patient with hyperthyroidism?
Wednesday, April 27, 2011 at 8:24pm by Help!!

History
I have been looking for the anwers to the follwing questions. I need to compare the following types of governments Democratic, Dictatorial and Parliamentary. I need to know the type of leader for each, economic system, and governing body. Thanks in advance. I am giving you ...
Friday, January 5, 2007 at 5:57pm by Josh

bio
Since this is not my area of expertise, I searched Google under the key words "monosomy 'chromosome 20'" to get these possible sources: http://www.mad-cow.org/chr20_rings_trisomy.html#mmm3 http://cat.inist.fr/?aModele=afficheN&cpsidt=18016399 http://www.makingcontact.org/index...
Thursday, February 5, 2009 at 6:40pm by PsyDAG

Chemistry
The equation for the first one is N2 + 3H2 => 2NH3 Refer to the CO problem below. This is not a LR problem but it's worked the same way. For #2, what rhe reaction 71. I don't have a copy of yur text or notes but this is a decomposition of NH3 so the ci problem will work ...
Saturday, October 26, 2013 at 11:02pm by DrBob222

Nuclear Radiation Technology
T1/2(Ra-226) = 1602 years What is the activity of 1 gram of Ra-226? Give the answer in Ci and Bq? What would be this activity after 1T1/2 and 5T1/2? Would appreciate if someone could show me how to do this question. Thanks.
Monday, February 3, 2014 at 11:21am by Ali

statistics
 Variable N Mean StDev SE Mean 95% CI  Sleep 20 6.950 1.572 0.352 (6.214, 7.686)  Give me the interpre the 95% confidence interval fir the hours of sleep a student gets.
Tuesday, December 11, 2012 at 9:43pm by Anonymous

statistics
What 4%? If you are talking about the difference between a CI of 95% and 99%, the latter is more likely to include the true mean. It depends on how much of a risk you want to take in terms of estimating the mean. Of course, the larger your n, the more accurate your estimate of...
Saturday, May 29, 2010 at 10:38am by PsyDAG

chem
I am not sure if there is an equation for this problem or wut?? A 73-kg person is accidentally exposed for 215 s to a 16-mCi source of beta radiation coming from a sample of 14C. What is the activity of the radiation source in disintegrations per second? In becquerels? (1 Ci...
Monday, September 10, 2012 at 5:43pm by sara

Physics
the sum of heats gained is zero. heat gained by water+heat gained by iron=0 130*cw*(Tf-130)+100*ci*(Tf-35)=0 solve for Tf
Sunday, May 13, 2012 at 5:32pm by bobpursley

english
Are you getting ready to write a book? =) http://www.google.com/search?hl=en&site=&source=hp&q=history+humans+to+indus+valley+civilization&oq=history+humans+to+indus+valley+ci&aq=0w&aqi=q-w1&aql=1&gs_l=hp.1.0.33i21.8694.26539.0.30213.33.31.0.2.2.0.270.3260.9j21j1.31.0.pfwc.1.0...
Thursday, May 3, 2012 at 6:38am by Writeacher

Physics
Please help me with this problem. The standard source for radiation therapy was radioactive 60Co which decays with a halflife of 5.27y, into an excited nuclear state of 60Ni. That nickel isotope then immediately emits two gamma ray photos wach with energy of 1.2 MeV. How many ...
Thursday, November 20, 2008 at 4:55am by Velaria

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