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Ken

Questions (288)

How many grams of glycine amide (FM 74.08) should be used with 1.0 gram of glycine amide HCl (FM 110.54, pKa=8.20) to give 100
1. 4 answers
2. 1,455 views
Glycine amide hydrochloride (BH+) FM 110.54, pKa 8.20Glycine amide (B) FM 74.08 b.) How many grams of glycine amide should be
1. 1 answer
2. 2,213 views
Sulfite (SO3^2-) in wine was measured by the following procedure: 50.0ml of wine were added 5.00ml of solution containing
1. 2 answers
2. 922 views
03 + 3I- + H20 --> O2 + I3^- + 2OH-A 1.00-L bulb of air containing O3 produced by an electric spark was treated with 25mL of 2M
1. 1 answer
2. 718 views
An unknown molybdate (MoO4^-2) solution (50.00ml) was passed through a column containing Zn(s) to convert molybdate into Mo^3+.
1. 1 answer
2. 1,363 views
Calculate the magnetic flux density in air at a point 15mm from a long straight wire carrying a current of 100A
1. 1 answer
2. 1,253 views
The data value x = 45 has a deviation value of 12. Explain the meaning of this.The data value x = 84 has a deviation value of
1. 1 answer
2. 612 views
Solve for x & y:3X-6Y(-6X+34)=30
1. 1 answer
2. 303 views
An airtight box, having a lid of area 12 in2, is partially evacuated. Atmospheric pressure is15 lb/in2. A force of 108 lb is
1. 1 answer
2. 979 views
A rock, which weighs 350 lb in air, weighs 226 lb when submerged in freshwater (62.4 lb/ft3). The volume of the rock is:
1. 0 answers
2. 628 views
using bayes theorem, what would be the probability of a honda civic being stolen 53% of civics are stolen and 46% were other
1. 0 answers
2. 486 views
triangular prism length 30 cm, height 20 cm, volume 6,000 cubic cm, what is the width?
1. 1 answer
2. 248 views
while shopping for wine for his wedding, Kepler noticed that the price of a barrel of wine (here assumed to be a cylinder) was
1. 0 answers
2. 653 views
"In this tongue-in-cheek ironic statement..." is the beginning of a sentence in my essay. Is "tongue-in-cheek ironic sentence"
1. 2 answers
2. 497 views
A bank offers your firm a revolving credit arrangement for up to $85 million at an interest rate of 2.5 percent per quarter. The
1. 0 answers
2. 718 views
I had 2 questions need to be done by the night, please help me1. Calculate the noon sun angle for New Orleans, USA(30N), and for
1. 1 answer
2. 2,186 views
Crystal Lake, Inc., has a total debt ratio of 0.24. Its debt-equity ratio is therefore times and its equity multiplier is times.
1. 0 answers
2. 766 views
Monash Company is currently manufacturing part Z911, producing 40,000 units annually. The part is used in the production of
1. 1 answer
2. 1,511 views
why is the unit Kelvin (temperature unit) not called "degree Kelvin"? why only "Kelvin"?thank you for answering.
1. 1 answer
2. 1,147 views
Tan^2 30*- cos^2 45*
1. 1 answer
2. 388 views
need to solve the first five terms recursively. Can do the other four once I get the first one.a[n]=a[n-1]/2 and a[1]=-8
1. 0 answers
2. 374 views
What is the derivative of thisy= 1/sin^2x - 2/sinx
1. 1 answer
2. 375 views
Beads for sale: 12cents for 15. Write an equation relating the cost (c) and the number of beads (n) for the beads.
1. 5 answers
2. 297 views
Heating an ore of antimony (Sb2S3) in the presence of iron gives the element antimony and iron(II) sulfide.Sb2S3(s) + 3Fe(s) ==>
1. 2 answers
2. 2,044 views
What would be the force required to push a 100 lb. object along a ramp that is inclined 10 degrees with the horizontal?
1. 0 answers
2. 620 views
What is a negative thing having a huge country (land territory)?It would make it harder to defend due to large area and little
1. 1 answer
2. 484 views
Twelve couples, who live in the HappyRetirement Villa, decide to install intercom systems between each of their 12 suites. How
1. 7 answers
2. 572 views
Twelve couples, who live in the HappyRetirement Villa, decide to install intercom systems between each of their 12 suites. How
1. 2 answers
2. 591 views
Please help. Thank youFourteen people attend a meeting. If each person shook hands with every other person, how many handshakes
1. 1 answer
2. 1,087 views
A sociologist interested in cultural differences compared women of two ethinic groups on a Role Approval Index (high scores mean
1. 0 answers
2. 1,281 views
Decide if the following statement is true:Two concurrent lines can never be perpendicular. Explain why or why not?
1. 1 answer
2. 917 views
How many 10 digit numbers can we make with 5,342,781?
1. 3 answers
2. 389 views
Given the equation:6CO2(g) + 6H2O(l) -> C6H12O6(s) + 6O2(g) What is the minimum number of liters of CO2(g), measured at STP,
1. 2 answers
2. 4,180 views
I'm trying to find a website that shows statistics on how having police in schools affect school violence. Does anyone have any
1. 3 answers
2. 438 views
What does a persuasive paper consist of? If I write a persuasive paper on "Main contributors to school violence" would I pick
1. 0 answers
2. 505 views
How can Ammonia be a base since it lakes a hydroxide ion? thank you so much
1. 1 answer
2. 389 views
If it takes painter # 1 three hours to paint a house, and painter # 2 eight hours to paint a house, how long would it take them
1. 1 answer
2. 637 views
Why does alcohol have a higher boiling and melting point than other hydrocarbons like alkanes? Is it because of a weak
1. 6 answers
2. 604 views
Explain why the terminal alkyne has an acidic proton compared to alkane and alkene.
1. 1 answer
2. 490 views
When referring to multiple men in a sentence is it proper to use the salutation (Mrss.) i.e. Mrss. Smith, Jones, and Wilson gave
1. 1 answer
2. 819 views
1-Methylcyclohexene + HCl/Ph-O-O-PH -->
1. 1 answer
2. 356 views
A runner has a average race time of 4.5 minutes with a standard deviation of 0.14.What time do 75% of his race times fall and
1. 0 answers
2. 462 views
NO2 ----> NO2^-1 + NO3^-1which N do you use? I have N being +4 on the reactant side, then as a +3 on for the NO2^-1 and +5 for
1. 3 answers
2. 707 views
I2 + KIO3 + HCl ----> KCl + IClOk, this is my thinking . . . . I^+5 + 4e^- -----> I^+1 Cl^-1 +1e^- -----> 2Cl^-1 I know that
1. 3 answers
2. 1,684 views
Sb+1 + HClO ------> Sb2O5 + Cl-1I'm not doing something right. I think I have the charges correct, this is what I have so far .
1. 4 answers
2. 475 views
For the reaction at 430 degree C, H2 + I2 <----->2HI. Kc = 54.3. Initially 0.714 moles of H2 and 0.984 moles of I2 and 0.886
1. 6 answers
2. 999 views
Kp for the reaction CaCO3 <---> CaO + CO2 at 350 degrees C is 0.105. Kc for the reaction at the same temp is _____.This is what
1. 3 answers
2. 674 views
Kp < Kc at 25 degrees C for which of the reactions below?N2 + 3H2 <-----> 2NH3 2NO <------> N2 + O2 C + O2 <------> CO2 2NOCl
1. 3 answers
2. 640 views
A 0.10 M HF solution is 8.4% ionized. Calculate the H^+ ion concentration. The "8.4% ionized" is throwing me. This is my line of
1. 2 answers
2. 2,784 views
A 0.10 M HF solution is 8.4% ionized. Calculate the H^+ ion concentration.Here is my line of thought. For every mole HF disolved
1. 1 answer
2. 4,722 views
6.75 g of SO2Cl2 was placed in a 2.00L flask. At 648 K 0.0345 moles of SO2 was present. Kc for the reaction SO2Cl2 <=> SO2 + Cl2
1. 1 answer
2. 1,363 views
For the reaction at 430 degree C, H2 + I2 <=> 2HI Kc = 54.3. Initially 0.714 moles of H2 and 0.984 miles of I2 and 0.886 moles
1. 1 answer
2. 1,325 views
3.9 moles of NO and 0.88 moles of CO2 are allowed to react asNO + CO2 <--> NO2 + CO At equilibrium 0.11 moles of CO2 was
1. 3 answers
2. 624 views
The equilibrium constant of a reaction is 12.6. If the rate constant of the reverse reaction is 5.1 x 10 -2 the rate constant
1. 3 answers
2. 1,276 views
The equilibrium constant, Kp for the reaction PCl5 <---> PCl3 + Cl2 is 1.05 at 250 degrees C. The reaction is started with PCl5,
1. 1 answer
2. 4,194 views
A first-order reaction is 35.5% complete in 4.90 minutes. The rate constant of the reaction is _____
1. 1 answer
2. 914 views
The molecularity of the elementary reaction CH3NC ---> CH3CN is _____six two zero ond
1. 1 answer
2. 1,052 views
The rate constant for a reaction at 305.0 K is two times the rate constant at 295.0 K. The activation energy of the reaction is
1. 4 answers
2. 562 views
The reaction A -->B---> C is called a _______ reaction?Consecutive parallel competing stepwise
1. 4 answers
2. 611 views
What mass of ethanol must be added to 10.0L of water to five a solution that freezes at -10.0 degrees C. Assume the density of
1. 1 answer
2. 681 views
What is the boiling point of an aqueous solution of a non electrolyte that has an osmotic pressure of 10.50atm at 25 degrees C?
1. 2 answers
2. 1,602 views
In the question Consider a 0.90 M Al(NO3)3 solution. This solution has a nitrate ion concentration of . . . .How do you figure
1. 2 answers
2. 4,271 views
When you are given a list of compounds that all have the same 0.2 m and the question which has the highest boiling point, how do
1. 1 answer
2. 466 views
Help me understand how to figure the i in the van't Hoff factor. MgSO4. Would the i = 5? If not, what and how?
1. 1 answer
2. 656 views
When you are given the question: Arrange the following aqueous solutions in order of increasing boiling points. 0.050 m
1. 1 answer
2. 1,461 views
Which of the follwoing gives the molarity of 17.0% by mass solution of sodium acetate (molar mass = 82.0 g/mol) in water. The
1. 1 answer
2. 1,543 views
Whih of the following liquids would make a good solvent for iodine?HCl H2O CH3OH NH3 CS2 How do you determine what will make a
1. 4 answers
2. 7,387 views
How do you balance oxidation-reduction reactions. I have all the steps, but I don't understand.
1. 3 answers
2. 578 views
Calculate the pH of the solution made by mixing 35.0 mL of 0.500 M ca(OH)2 with 45.0 mL of 0.710 MHCl
1. 1 answer
2. 1,355 views
Calculate the pH and percent ionization for the solution made up of 0.035 M NH3 and 0.015 M NH4Br.
1. 1 answer
2. 553 views
Ammonia is a weak base. If Ammonium nitrate is added to it, the pH of the ammonia solution will _____________ (increase,
1. 1 answer
2. 656 views
When was the planet Saturn discovered and who discovered
1. 1 answer
2. 455 views
Where can I find the Flags of Texas in order?
1. 2 answers
2. 434 views
Would either of the following reactions go almost completely to product at equilibrium?a)2NO + 2H2 at equil N2 + 2H2O Kc = 6.5 x
1. 1 answer
2. 1,581 views
A 2.00 mol sample of nitrogen dioxide was placed in an 80.0L vessel. At 200 degrees C, the gen dioxide was 6.0% decomposed
1. 4 answers
2. 2,000 views
How do you figure freezing points and boiling points?
1. 7 answers
2. 502 views
What is the vapor pressure at 23 degrees C of a solution of 1.20 g of naphthalene, C10H8, in 25.6 g of benzene, C6H6? The vapor
1. 1 answer
2. 1,167 views
What mass of PbI2 can be formed from 75.0 mL of 0.65 M NaI by adding excess Pb(NO3)2?Pb(NO3)2 + 2NaI ---> PbI + 2NaNO3
1. 1 answer
2. 1,670 views
Find the a) % solution, b) molality and c) mole fraction of the acid 16.0 M H2SO4 d = 1.634 g/ml for the solution
1. 1 answer
2. 585 views
Ccalculate the molarity of the resulting solution when 125.0 ml of water is added to 350.0 ml of a 3.75 M solution of HCl
1. 1 answer
2. 549 views
What was the prominent characteristic of Jacobin rule during the Second French Revolution?A. The rejection of war and the belief
1. 1 answer
2. 527 views
I'm not smarter than a 5th grader!ok. Assignment was to write "Fourty Thousanths". Would 0.040 really be right? That seems like
1. 4 answers
2. 655 views
Independence in Spnish and Portuguese speaking Latin America accompanied:A. The maintenance of many colonial traditions B.
1. 0 answers
2. 1,052 views
I googled "Tootsieroll how many licks", your answer is in the link at the bottom.
1. 0 answers
2. 358 views
Shy-lockHi everyone, I'm reading Shakespeare's "The Merchant of Venice" and I am wondering how to pronounce Shylock's name. Is
1. 0 answers
2. 669 views
A link to a how to page please.Since this is not my area of expertise, I searched Google under the key words "<I>resume
1. 0 answers
2. 1,215 views
Thankyou for the plagiarism announcement.
1. 0 answers
2. 432 views
this one is so good (and not solved) I pulled it foreward in timePosted by quizzical on Thursday, November 16, 2006 at 6:24am.
1. 2 answers
2. 542 views

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