Questions LLC
Login
or
Sign Up
Ask a New Question
Chemistry
Page 67
Questions (96,924)
Which would better fit the description of having a relatively high electronegativity and a poor conductor of heat? Mg or Cu? I'm
4 answers
asked by
Anonymous
390 views
Why do ions form?
1 answer
asked by
Alyssa
341 views
how do i tell if something can dissolve into another
the question is which f these solvents will dissolve salt, NaCl?
1 answer
asked by
Mia
373 views
what are the order intermolecular forces according to strength??
3 answers
asked by
Andrew
430 views
How does a ionic bond form?
1 answer
asked by
Alyssa
326 views
If the wavelength of an electron is equal to the radius of the n=2 orbit in He+, what must the velocity of the
electron be? The
1 answer
asked by
Shaniquaa
373 views
why do we use different instrument to make absorbance and fluorescence measurments?
1 answer
asked by
Beckhamano
278 views
How many representative particles are in a mole of any substance?
1 answer
asked by
Anonymous
364 views
In fluorescence, why do we have to preapre a calibaration curve for every compound in our sample?
1 answer
asked by
Beckhamano
371 views
In fluorescence, why do we have to preapre a calibaration curve for every compound in our sample?
1 answer
asked by
Beckhamano
306 views
A solid-phase extraction cartidge has C18 material. What is the reason behind that all the characteristic grape juice color get
1 answer
asked by
Robert
434 views
Spectrophotometric measruments give us a little information about the comlpexity of the fractions that we obtain by solid phese
1 answer
asked by
Robert
349 views
What is the formula for:
calcium iodate and iron (III)perchlorate
1 answer
asked by
Tracy
401 views
What Holds the metals together in a solid?
1 answer
asked by
Tracy
312 views
Hi! I was studying for an exam (lol) and I came across something I don't quite understand.. could someone help me with Standard
3 answers
asked by
Chris
392 views
Are bond lengths measured from the center of the atom to the surface?
Or from the surface to the surface of atoms?
1 answer
asked by
Lucy X
378 views
If I was to react a borax solution with a sulphuric acid to neutralise it, what products will I get?
4 answers
asked by
Serre
441 views
Which phosphates are found in human urine? I am writing about the discovery of phosphorus. I know that after urine was left to
1 answer
asked by
Alice
442 views
Is there a value for the enthalpy of vaporization of water at any temperature? Or does the value change with different
3 answers
asked by
Unsure
388 views
Is there a value for the enthalpy of vaporization of water at any temperature? Or does the value change with different
1 answer
asked by
Unsure
394 views
Is there a value for the enthalpy of vaporization of water at any temperature? Or does the value change with different
1 answer
asked by
Unsure
343 views
I have 250 grams of Al2(PO4)3
How many moles of Al are there?
1 answer
asked by
mw
352 views
What is the weight/volume for a 0.2% solution?
1 answer
asked by
Lane
329 views
How to make a 55ml of a 3% solution of NaCl?
3 answers
asked by
Kristy
355 views
I am making a NaCl solution. What are the steps in calculating and weighing out NaCl for a 4 M solution.
1 answer
asked by
Kyle
371 views
What is sodium acid pyrophosphate used for in food products.
1 answer
asked by
Dominik Brame
351 views
1. How does the strenght of a covalent bond relate to bond length?
2. Compare the degree of polarity in HF, HCL, HBr, and HI? 3.
4 answers
asked by
Kate
1,454 views
Explain how a calibration curve is produced
1 answer
asked by
Michael
360 views
Please help me with this problem:
What is the balance chemical equation for Copper(II) sulfate+ copper-->
1 answer
asked by
Milo
430 views
Calculate the electronegativity differences between the following atoms:
1.C-H 2.O-H 3.C-O
4 answers
asked by
Bob
408 views
Please help me with this problem
What is the Balance chemical equation for Al(s) + H2O(l)-->
1 answer
asked by
Milo
386 views
You want to make 1000 ml of an 0.1 M HA buffer so that the pH=pKa of HA. To make this buffer you need to add ____ HA and ____ mL
1 answer
asked by
Jessica
412 views
How can you separate compounds?
1 answer
asked by
Ben
332 views
If I am given that an unknown sample containing iron(II)ion is .949 g and it requires 31.28 ml of .01192 M KMnO4 to titrate the
1 answer
asked by
Rosa
430 views
We are using a rotovap to evaporate Hexane from a solution. The temperature of the solution has to remain between 20 to 25 F.
1 answer
asked by
Chicago
348 views
Have a 15 ml Hexane solution that needs to be placed in rotovap to evaportate Hexane. Hexane Solution temperature must be
1 answer
asked by
Chicago
427 views
What am i supose to do here?
A chemist performs the following experiment: 2FeCl3 + 3CaCO3 ---> Fe2(CO3)3 + 3CaCl If he starts
3 answers
asked by
Nick
421 views
How would you name the compound P4?
1 answer
asked by
Ashley
272 views
I saw this sentence,"Most metals are strong and can be hit without breaking because they are HARD."
But aren't pure metals soft
1 answer
asked by
candy
353 views
How would i explain the readiness of allyl alcohol to react with the Lucas test????
Thanks!!
1 answer
asked by
Andrew
366 views
A student determined that ethanol was the best solvent to use for a recrystallization based on small scale trials. When the
1 answer
asked by
Matthew
390 views
write the following chemical equation for this equation In water,iron (III) chlroide reacts with sodium hydroxide, producing
2 answers
asked by
Ashley
703 views
Why do we store very reactive metals such as potassium and sodium in oil?
What kind of oil is it?
1 answer
asked by
janice
397 views
Suppose we want to know whether on mixing h2o2 with fe+2,the oxidation of fe+2 to fe+3 will take place or not.
3 answers
asked by
Ankush
330 views
If the pressure of 8.0 L of nitrogen gas in a flexible container is decreased to one-fifth of its orginal pressure(at constat
1 answer
asked by
Devin Boutte
375 views
How does the presence of sodium chloride and acidic substances increase the speed of rusting?
Will alkaline substances increase
1 answer
asked by
janice
380 views
What does C12H26 stand for?
1 answer
asked by
Celeste
348 views
Deduce the anion present in the salt. Assume that the reagent is added to simple salt: -
Test: - Concentrated sulphuric acid and
1 answer
asked by
janice
421 views
Do you expect acetaminophen to be soluble in 1.0 M NaOH? why or why not?
please help... thanks
3 answers
asked by
Nina
365 views
Do you expect acetaminophen to be soluble in water? why or why not?
please help... thanks
1 answer
asked by
Nina
356 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (62)
Academic Subjects
Advanced Placement (AP)
Arts and Sciences
Biology
Career
Earth Science
Education
Educational Resources
Experiments
General science
High School
History and Science
Homework Help
Industries
Majors
Math
Math and Science
Math/Science
Mathematics
Mathematics & Science
Mathematics and Science
Movies
Natural Sciences
Online Discussion
Physical Science
Physical Sciences
Physics
Science
Science & Environment
Science & Medicine
Science & Nature
Science and Biology
Science and Education
Science and Engineering
Science and Environment
Science and Experimentation
Science and Experiments
Science and Geography
Science and Health
Science and Math
Science and Mathematics
Science and Medicine
Science and Nature
Science and Research
Science and Technology
Science Education
Science Experiment
Science Experiments
Science Safety
Science/Educational
Science/Math
Science/Mathematics
Science/Molecular Biology
Science/Physics
Science/Technology
Sciences
Scientific Experiment
STEM (Science, Technology, Engineering, and Mathematics)
STEM (Science, Technology, Engineering, Mathematics)
Subjects
Test Preparation
Word Problems