Number of results: 129,908
i have to fill in the blanks In an ionic compound the charges of the Blank and Blank must balance to produce an electrically Blank Substance. Is it Cation, Anion, then Netural for the last blank And what about this one i don't know. Metallic atoms tend to lose valebce ...
Wednesday, November 15, 2006 at 9:46pm by Bryan
Thanks but can you check another one for me The Valence electrons largely determine the blank of an element and are usually the only electrons used in blank. T have the first one as chemical properties, whats the second blank chemical properties would work for the first blank ...
Wednesday, November 15, 2006 at 10:40pm by Bryan
Fill In the Blank Compounds that are formed when two or more atoms combine to form molecules are called __________. is it diatomic molecule. yes.
Tuesday, November 28, 2006 at 8:34pm by Bryan
True or False? In a structural formula a shared pair of electrons is represented by two dashes. Is this True? Fill in the blank Structural formulas show the arrangement of____________ in molecules. is it electrons? A shared pair is represented by two dots. Structural formulae ...
Wednesday, November 29, 2006 at 7:56pm by Bryan
True, False, or Sometimes true 1)A bond in which one atom contributes both bonding electron is called a polyatomic covalent bond.(True) 2)Carbon forms four single covalent bonds with other atoms. (Fales) True, False, or Sometimes true 1)A bond in which one atom contributes ...
Friday, December 15, 2006 at 5:00pm by Bryan
Completion 1)Transition Metals 2)Stock 3) Many of the ___1____ have more one common ionic charge. These ions are named using either the ___2____ system or the __3____ naming system. 3. IUPAC
Tuesday, January 2, 2007 at 10:12am by Bryan
Chemistry Check if its right XD
Ok here is the problem but i only need help on part a XD i think i did it wrong..so can you check my work? and tell me where i made the mistake? The space shuttle uses aluminum metal and ammonium perchlorate, NH4ClO4, in tis reusable booster rocket. The products are aluminum ...
Tuesday, January 9, 2007 at 10:31pm by becky
Could someone please just check my answers for this? I want to make sure I did these right. 1. A student reported the mass of ten glass beads as 2.507 +/- 0.015 g. What should the student report as the mass of one bead? Explain your answer. A: The student should report the ...
Tuesday, January 30, 2007 at 12:40pm by Bryant
please check Write the balanced equation, with the enthalpy component, for the rusting process, given that Hf for iron and oxygen is 0 and Hf for ferric oxide is -826 kJ/mol. 4 Fe (s) + 3 O2 (g) --------> 2 Fe2O3 (s) You need to add the heat one of three ways. 4 Fe (s) + 3 ...
Thursday, February 8, 2007 at 9:35am by key
Can someone check my answers? Thanks. 1.) If you were involved in an acid rain monitoring project with several other samplers, why would it be important that all of you collect your samples on the same day and do the alkalinity tests within 24 hours? Acid rain on another day ...
Wednesday, March 21, 2007 at 7:25pm by Joe
A) Write a balanced chemical equation for the reaction between sulfuric acid and potassium hydroxide. I got H2SO4 + KOH ---> H2OH + KSO4 B) Write the ionic equation for the reaction. H2 + S2O4-2 + K + OH- ---> H2 + OH + K2SO4-2 C) Write the net ionic equation I'm not ...
Thursday, March 22, 2007 at 3:10pm by jon
Can someone check to make sure my answer is correct? The question is: Which of the following statements is incorrect? a. Complete combustion has occured when all the carbon in the product is in the form of carbon dioxide. b. A single reactant is the identifying characteristic ...
Tuesday, March 17, 2009 at 8:08pm by Mike
I don't believe d is true (especially for reactions in organic chemistry and the question says ALL). Also, I don't believe a is true because I can have C8H16NClO7 and convert all of the C to CO2 without convert the other elements (and that's a made-up out of the blue formula).
Tuesday, March 17, 2009 at 8:08pm by DrBob222
Honors Chemistry (check answers)
On a worksheet we got, we have to balance out chemical reaction equations then define what kind of reaction it is (synthesis, decomposition, single/double-replacement). Would someone be willing to check my answers, please? Thanks!! 1. c) BaO + H2O ==> ________ (synthesis...
Monday, October 26, 2009 at 10:16pm by Emily
chemistry check my work
theoretical yield= 1.50/molmassC7H6O3 * molmassC8H8OH =1.50/138.12 * 152.14=1.65g percent yield= 1.31/1.65=.792 check my calcs.
Thursday, April 15, 2010 at 8:14am by bobpursley
chemistry(check my answer)
From the Standard Potential Table in your general chemistry textbook: Which reaction has been chosen as the 'standard' against which every other reaction is measured? A. 2H+ + 2e–H2 B. Li+ + e–Li C. O2 + 4H+ + 4e–2H2O D. F2 + 2e–2F– E. H2 + 2e–2H– is it A
Thursday, April 29, 2010 at 9:40pm by eng
Please check for me. 1. For the reaction CH3COOH--->CH3COO + H+, which of the following statements is true? CH3COOH is a Brønsted-Lowry acid.<--- CH3COO is an Arrhenius base. CH3COO is a Lewis base. CH3COOH is a Brønsted-Lowry base. 2. Of the metals Pb, Mg, Au, and Na, ...
Friday, June 22, 2012 at 5:29pm by Anonymous
Can you check these? Strong attractive forces that keep atoms connected together are called _____. A. valence electrons B. chemical bonds C. cations D. anions Which of the following is NOT a type of bonding that occurs between atoms? A. covalent bonding B. metallic bonding C. ...
Friday, December 14, 2012 at 12:54pm by Victoria
I won't do this again. I wrote a note to a student last night (I'm assuming you are that student) saying your choice for displaying answers and questions was confusing. No one paid attention. Please do the following if you want my help. 1. number each question. 2. Don't write ...
Friday, December 14, 2012 at 12:54pm by DrBob222
Chemistry: check answers
Please check. Thank you. 2. What is the reduction half-reaction for the following unbalanced redox equation? Cr2O72– + NH4+ Cr2O3 + N2 A.) Cr2O3 -> Cr2O72– B.) Cr2O72– -> Cr2O3 C.) NH4+ -> N2 D.) N2 -> NH4+ 3. Which oxidation-reduction reactions are best balanced ...
Friday, March 22, 2013 at 6:12pm by Jack