ChemAnswer.com Chemistry Questions and Answers

How do you write a successive removal of electrons?

Wed, 22 Feb 2012 17:42:22 CST

The question says: Write the set of equations showing the removal of three electrons from two moles of aluminum. Explain the energies for each step. Write the electron configurations for each ion an ...

Asked By : anonymous ( Total points : 0 )

the study of all carbon-containing compounds is what?

Mon, 05 Dec 2011 20:23:36 CST

Asked By : anonymous ( Total points : 0 )

What are the percent composition for SF2?

Fri, 11 Nov 2011 04:01:48 CST

Asked By : anonymous ( Total points : 0 )

what kinds of atoms are found in charcoal?

Wed, 02 Nov 2011 10:08:23 CST

Asked By : anonymous ( Total points : 0 )

Determine the total concentration (in mol/L) of Cl- ions in a solution formed from the reaction of 500mL of 1.0M barium hydroxide (Ba(OH)2 with 121mL of 1.45M hydrochloric acid (HCl

Mon, 17 Oct 2011 21:48:25 CST

Asked By : anonymous ( Total points : 0 )

what is 1.50 mm in km?

Sat, 01 Oct 2011 08:54:57 CST

Asked By : anonymous ( Total points : 0 )

(in term of bonding) why chlorine is a gas at whereas iodine is solid?

Wed, 10 Aug 2011 11:16:52 CST

[:-unsure]

Asked By : anonymous ( Total points : 0 )

what are the subatomic particles of zinc?

Wed, 27 Apr 2011 20:06:01 CST

Asked By : anonymous ( Total points : 0 )

what is the formula of washing detergant ?

Fri, 07 Jan 2011 00:49:00 CST

Asked By : anonymous ( Total points : 0 )

which reactant is a Brønsted-Lowry base? Na2HPO4(aq) + H2CO3(aq) → NaH2PO4(aq) + NaHCO3(aq) ?

Fri, 17 Dec 2010 21:31:50 CST

Asked By : anonymous ( Total points : 0 )

do you carry on what your learned in algebra 2 from geometry?

Tue, 28 Sep 2010 11:58:35 CST

i have a hard decision to make. I'm taking chemistry honors and geometry as my math but my chem teacher says if you're not taking algebra 2 then you shouldn't be in this class. i did pretty well on my ...

Asked By : ChrisPolo ( Total points : 41 )

General Chem question?

Tue, 28 Sep 2010 11:50:07 CST

Given 0.1 M solutions of acetic acid and sodium acetate, describe the preparation of 1 L of 0.1 M acetate buffer at pH 5.4

Asked By : Sydney ( Total points : 78 )

Will a transfer gpa of 2.7 get me into UC Davis?Does it help that I completed all my LowerDiv prior to transfr?

Tue, 28 Sep 2010 11:49:13 CST

I am basically a Bio major and at my junior college I have been primarily taking chemistry, biology, math and physics to complete all the lower division requirements which has also resulted in a low g ...

Asked By : Sydney ( Total points : 78 )

Can I get into U of I as a transfer?

Tue, 28 Sep 2010 11:41:33 CST

If I get a 4.0 at UIC as a freshman first and second semester, do I have a chance to transfer as a sophomore into their engineering program? Classes First Semester that I have at UIC: Calculus I ...

Asked By : BenTis ( Total points : 78 )

It's 24 days before A Levels, do you think I can make it?

Tue, 28 Sep 2010 11:33:08 CST

I haven't start studying for my A Levels. I'm taking Bio, Chem, Math and General Paper. Do you think I have time to cram everything in my head starting tomorrow, or am I just too late? Even if you ...

Asked By : ChrisPolo ( Total points : 41 )

Is is possible for an ESL students who have been in high school in US 3 years to go to university?

Tue, 28 Sep 2010 11:26:30 CST

I have been in America for 2 years now( it will be 3 years next year when i go to college or university), but i will be senior next year and i am wondering about choosing college or university. This ...

Asked By : suz893 ( Total points : 91 )

Sig fig rules in measurements? General Chem 1st Semester?

Tue, 28 Sep 2010 11:25:30 CST

A 10 mL graduated cylinder has calibration marks representing each mL and 0.1 mL. Accurate readings should be estimated and recorded to the nearest: a) 1.0 mL b) 0.1 mL c) 0.01 mL d) 0.001 mL ...

Asked By : suz893 ( Total points : 91 )

Schools in the US are to lenient on children when it comes to learning and homework?

Tue, 28 Sep 2010 11:03:34 CST

I still recall when I was a 4th grader, we where already doing complex algebra, geometry, etc. We started doing fairly complicated physics in 6th grade, general and organic chem in 7th and organic che ...

Asked By : Sarah79 ( Total points : 35 )

CHEM GENIUSES OUT THERE: Please help! Some intro chem summer work- a few questions I don't get...?

Tue, 28 Sep 2010 11:02:37 CST

I just want you to know that I am not skimping out on my homework. These are a few of the 286 questions that were assigned. Yes, it has taken awhile. These are the ones I don't know or couldn't find i ...

Asked By : Sydney ( Total points : 78 )

It's 24 days before A Levels, do you think I can make it?

Tue, 28 Sep 2010 11:00:46 CST

Asked By : Sarah79 ( Total points : 35 )

Can I still make it to UCLA as a transfer student?

Tue, 28 Sep 2010 10:45:35 CST

I will keep this short and simple. I am applying this november. I finished all 6 honor classes for TAP. Using my gpa for fall applications, I will be submitting a gpa of 3.84. I am a science major and ...

Asked By : suz893 ( Total points : 91 )

The magnesium spectrum has a line at 266.8 nm. It has a greater speed than...?

Tue, 28 Sep 2010 10:40:24 CST

Can anybody please help me with this chem question? I can't seem to understand it. It's from the book General Chemistry: Principals and Modern Applications by Petrucci et al. Page 351, question 3c. ...

Asked By : ChrisPolo ( Total points : 41 )

Which is the easiest science course?

Tue, 28 Sep 2010 10:39:04 CST

Natural Science (B) Great Perspectives in Science (B) Astronomy (B) Astronomy Lab (B) Exploring Biology (B) Introductory Botany (B) Zoology (B) Human Biology (B) Investigating the Living World ...

Asked By : john12 ( Total points : -55 )

Worried about getting into Medical School...?

Tue, 28 Sep 2010 10:19:40 CST

I just started my second year at the University of Wisconsin-Madison. I'm majoring in Medical Microbiology and Immunology, with Honors in the Liberal Arts, a Certificate in European Studies (our schoo ...

Asked By : ChrisPolo ( Total points : 41 )

My college class schedule. Do you think i should drop a class?

Tue, 28 Sep 2010 10:10:10 CST

University of California, Davis I'm a freshmen 1. Math 17A, Calc for biosci 2. CLA 30, Latin and greek words studies 3. Physics 7A, General Physics 4. History 7A, History of America 5. ANT 1, ...

Asked By : Sarah79 ( Total points : 35 )