Sunday
February 26, 2017

Search: ionic or covalent

Number of results: 1,825

science HElp
the covalent bond between the monomers of an enzyme macromolecules are peptide ester or phosphodiester bond question2 why urctic forx change coloring from brown in summer and white in winter . My answeers is = fox change phenotype but genotypes does not chane? am i right ?
November 28, 2011 by hiba

Science
Unit 3 Test Multiple Choice Please select the correct response for the following questions. 1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point) a. Nucleus b. ...
November 10, 2016 by Becky

chemistry check
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 ...
March 22, 2007 by jon

BIOLOGY
1) How does an ionic band different 2)What are some example of elements? name the eletrical charged of a proton, neutron and eletron?
September 18, 2007 by ANDRESSA

AP Chem
Write the net ionic formula. A bar of strontium metal is immersed in a 1.0 M copper (II) nitrate solution. How do I go about doing this?
October 3, 2007 by Needs help

chem
write the net ionic equation for the unknown titration reaction in this experiment. KHC8H4O4(aq) + NaOH(aq)----> KNaC8H4O4 + H2O(l)
April 7, 2008 by natash

Chemistry
Write the net ionic equation for silver nitrate and sodium chloride. I only know how to do it when it deals with elements, not compound.
July 23, 2009 by Steven

Chemistry
Please help me answer the question: What does it mean Write a net ionic equation for the reaction 2HCl + Ca(OH)2 -> CaCl2 + 2H20
November 18, 2009 by Brittany

chemistry 110
Write the net ionic equation for NaOH to form soluble Na2SO4 along with H2O as products.
November 9, 2010 by Kim K

science
an ionic compound that attracts atmospheric water that a hydrate is found is said to be non-volatile . is this statement is correct or not???
April 16, 2011 by shipra

chemistry
give the full, ionic and net equations for the reaction (if any) that occurs when aqueous soulutions of Na2CO3 and MgCl2 are mixed.
July 4, 2011 by Kayla

chemistry
why is this statement false? "when an ionic compound dissolves in water an equal number of positive and negative ions is created."
November 16, 2011 by steph

chem
Which ionic compound is expected to form from combining the following pairs of elements? yttrium and oxygen i put YO but its wrong
December 1, 2012 by Samantha

Chemistry
Write a net ionic equation to show that quinoline, C9H7N, behaves as a Bronsted-Lowry base in water.
April 17, 2013 by Leslie

Chemistry
What must we know a given ionic salt to be able to predict whether is is a good or poor conductor, w/o testing its conductivity?
May 5, 2013 by judy

chemistry
For the following reaction in acidic solution. Cr2O7^2- + I- ---> Cr^3+ + IO3- Give the total balanced net ionic equation.
June 17, 2013 by Annie

chemistry
For the following chemical reaction write the net ionic equation, including the phases. 2HBr (aq) +Ba(OH)2(aq) --> 2H2O(l) +BaBr2 (aq)
November 9, 2013 by Lori

Chemistry
Write the total and net ionic equations for the following molecular reaction: HgNO3 (aq) + NaCl (aq) -> HgCl (s) + 2 NaNO3 (aq)
February 20, 2014 by Ellen

Chemistry
Write ionic equation for the following: A. Na3PO4 + 3 AgNO3 --> 3 NaNO3 + Ag3PO4 B. (NH4)2SO4 + Ba(C2H3O2 + BaSO4
April 10, 2014 by Need Help :/

chemistry
Li+Cl=>LiCl ionic bonding atoms valence electrons electron transfer from/ to each atom and ions formed in the product??
October 26, 2014 by Robert23

Chemistry
The starting material in this synthesis experiment Fe(NH4)2(SO4)2*6H2O. What is the ionic charge of the atom? Show your calculations
March 17, 2015 by Tyler

pls help me dr.bob22 science
Which of the following would likely be part of an ionic bond? Choose all that apply. *K+1 *Cl2 *F-1 *Ne is it a and b
March 31, 2015 by Oscar

PIMACOMMUNITY COLLEG
WRITE THE NET IONIC EQUATION INCLUDING the phases for the reaction of the Hclo2+Naoh--------->H2o+Naclo2
October 7, 2016 by SAAD

Science
. What is the freezing point of a solution that contains 3.5 mol of the ionic solid BaCl2 dissolved in 500. grams water?
December 4, 2016 by Raam

Math, physics, chemistry
calculate total ionic strength of solution in which concentration of CuSO4 and Al2(SO4)3 is 0.1 molar
February 1, 2017 by Danish malik

college chemisrt
write the net ionic equation (including phases) that corresponds to zn(no3)2 + Na2CO3--->ZnCO3+2NaNO3
February 17, 2017 by Alex

COLLEGE CHEMISTRY
write the net ionic equation (including phases) that corresponds to zn(no3)2 + Na2CO3--->ZnCO3+2NaNO3.
February 17, 2017 by Alex

chem
choose the compound below that contains at least one polar covalent bond, but is nonpolar a. ICl3 b SeBr4 c. CF4 d. HCN Im stuck between C and D C is a tetrahedral which has no net dipole so is non polar, and D is linear which also makes it non polar.
May 1, 2008 by natash

Chemistry
Check my answers 63. What type of bond links the monomers together in a polymer? Poly bond Covalent bond Ionic bond Hydrogen bond*** 64.What is the change in atomic mass when an atom emits a beta particle? decreases by 1*** increases by 1 decreases by 2 remains the same 65. ...
June 2, 2016 by Kayla

chem
which of the following substances should have the highest melting point? Xe F2 SrS MgO CO2 the answers D, is it because its an ionic compound?
May 11, 2008 by natash

Chemistry
Rank the following ionic compounds by lattice energy. Highest to Lowest LiCl MgO Na2O Beo Na2S
January 15, 2010 by Saira

chemistry
Write a net ionic equation for the reaction that occurs when aqueous solutions of sodium hydroxide and perchloric acid are combined.
November 17, 2011 by savannah

Chemistry
Write the Gross and Net Ionic Equations for the following Reactions: LiNO3(aq)+(NH4)3N(aq) => Li3N(s)+ NH4NO3(aq) Al(s)+CuCl2(aq) => AlCl3(aq)+Cu(s)
March 8, 2012 by James

Chemistry
Rank the following ionic compounds by lattice energy. Highest to Lowest LiCl MgO Na2O Beo Na2S
March 30, 2012 by Jeremy

Chemistry
Rank the following ionic compounds by lattice energy. Highest to Lowest LiCl MgO Na2O Beo Na2S
March 30, 2012 by Jeremy

Chemistry
Write a net ionic equation for the reaction that occurs when aqueous solutions of hydroiodic acid and barium hydroxide are combined.
October 8, 2012 by Megan

Chemistry
Write a net ionic equation for the reaction that occurs when aqueous solutions of potassium hydroxide and nitrous acid are combined.
October 8, 2012 by Megan

College Chemistry
What must we know a given ionic salt to be able to predict whether is is a good or poor conductor, w/o testing its conductivity?
May 5, 2013 by judy

Chemistry
For the following chemical reaction... HCN (aq) + KOH (aq)----> H2O (l) + KCN (aq) write the net ionic equation, including the phases
October 4, 2013 by Chelsea

Chem
Can someone please check this for me? It's ranking the following bonds in order of increasing ionic bond character. Cl-Cl C-H H-Cl Mg-C H-O Na-Cl Ca-O Cs-F I'm not sure where Fe-O, and Fe-C fall. Thanks -MC
February 19, 2014 by mysterychicken

Chem
What is the balanced net ionic equation for magnesium metal being placed in a solution of gold(3) chloride ?(with steps please)
September 8, 2015 by Amanda

chemistry
an ionic bond will most likely form between elements from group_ a/2and3 , b/2and6 , c/3and4 , d/4and5 ,e/5and6
January 1, 2016 by barbie

Nsu
Referring only to periodic table give the ionic charge expected for each of these elements (type your answers using the format 1+ and 2 -
March 28, 2016 by Sherri

Science
Referring only to the periodic table give the ionic charge expected of these representatives elements type your answers format 1+ 2 - Te Be Ba P Li Ga C At
March 28, 2016 by Sherri

Nsu
Referring only to periodic table give the ionic charge expected for each of these elements (type your answers using the format 1+ and 2 -
March 28, 2016 by Sherri

Chemistry
For the following chemical reaction HCN(aq)+KOH(aq)--->H2O(l)+KCN(aq) Write the net ionic equation, including the phases.
April 3, 2016 by Ann

Chemistry
Write the net ionic equation for the equilibrium that is established when ammonium nitrate is dissolved in water. (Use H3O+ instead of H+)
September 27, 2016 by Jen

Chemistry
Which of the following statements is true regarding a covalent bond in CO? Valence electrons are transferred to the oxygen atom. The bond length is less than the sum of the two atomic radii. Bonding electrons are stationary in the CO molecule. all of the above none of the above
April 17, 2014 by Lue

CHEMISTRY
Can someone tell me if I am getting these correct? Give formula for the following covalent compounds: 1. Sulfur hexafluoride-SF6 2. Tetraphosphorus heptasulfide-P4S7 3. Silicon tetrachloride-SiCl4 4.Disulfur decafluroine moniodide-S2F10I 5. Iodine pentafluoride-IF5 6. ...
February 23, 2012 by helen

CHEMISTRY
Can someone tell me if I am getting these correct? Give formula for the following covalent compounds: 1. Sulfur hexafluoride-SF6 2. Tetraphosphorus heptasulfide-P4S7 3. Silicon tetrachloride-SiCl4 4.Disulfur decafluroine moniodide-S2F10I 5. Iodine pentafluoride-IF5 6. ...
February 23, 2012 by helen

Science (please check my answers)
7. During the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. The breaking of the covalent bonds during digestion releases energy. The type of energy released is (1 point) • kinetic energy...
February 5, 2014 by CCA

chemistry
Criticize the following statements. 1. In an ionic compound, the number of cations is always equal to the number of anions. [Is it ok to say 'not always'?] 2. The molecular formula for strontium bromide is SrBr(sub 2) [what's wrong wih this?] 3. The mass number is always equal...
September 25, 2006 by Chris

Chemistry
Why doesn't potassium ion K+ from KMnO4 appear in the following two unbalanced equations: MnO4– + C2O42– --> Mn2+ + CO2 MnO4– + Fe2+ --> Mn2+ + Fe3+ ? is it because K+ is just a spectator ion or is it because K+ would cause a net positive charge in the products The...
July 4, 2007 by Jared

science
1. suggest an order for the conductivity of H+, Cl- and OH-, explain your reasoning 2. (so I have a conductivity data)....Which of the solutions have ions due to the presence of solute? b. Are there covalent solutes that produced ions in solute?
September 24, 2009 by Nisha

Chemistry
Write the net ionic equation for the reaction between sulfuric acid and potassium hydroxide. I got 2H^+ + 2OH^-1 ==> 2H2O. Is this correct?? Thanks.
December 2, 2007 by Lucy

Dr. Bob, one more thing- Chemistry
WHY is it the greatest difference in e- negativity would = the most ionic compound?? (out of a choice of compounds)
November 11, 2008 by Alicja

Chemistry-simple explanation needed
How do you explain why ionic compounds are generally soluble in water without using the term "polar solvents"?
March 22, 2009 by carrie

chem
Does baking soda and vinegar have a complete ionic equation? HC2H3O2 (aq) + NaHCO3 ===> NaC2H3O2(aq) + H2CO3(aq)----->H2O(l)+CO2(g)+2H2O(l)
September 30, 2009 by Lou

Chemistry
Would the following structures be polar or nonpolar? (Not applicable if the structure is an ion. Pick "ionic" in that case). SO2 N2O N3−
April 10, 2010 by Johannie

chem
whats the net ionic equation for the following reaction AgNo3(aq)+Na2SO4(aq) answer 2Ag+(aq)+SO42- (aq)___> Ag2So4(s) correct?
October 3, 2010 by amber

College Chemistry-Please help me
I need to find the ionic equation of: 3Ba(OH)2(aq)+2H3PO4(aq)->Ba3(PO4)2+6H20(l) I'm totally lost on this question
October 4, 2010 by KELLY

Chemistry
Solutions of silver nitrate and sodium chromate are mixed. What is the net ionic equation? I got: 2Ag(aq) + CrO4-2(aq) -> Ag2CrO4(s) is that right?
October 6, 2010 by Sara

Chemistry
Solutions of silver nitrate and sodium chromate are mixed. What is the net ionic equation? I got: 2Ag(aq) + CrO4-2(aq) -> Ag2CrO4(s) is that right?
October 6, 2010 by Sara

ap chemistry
How do i wrtie the complete balance equation for this situation: A magnesium coil is dropped in perchloric acid solution.(molecular and ionic equations)?
October 12, 2010 by sara

Chemistry
Write a balanced net ionic equation (include physical states) for the following reaction: Fe(NO3)3(aq) + LiOH(aq) → LiNO3(aq) + Fe(OH)3(s)
June 27, 2011 by Emily

Chemistry
Assume that the ionic compound CaCl2, separates completely into Ca and Cl ions when it dissolves in water. How many moles of each ion are present in the solution???
August 9, 2012 by Serena

chemistry
if you want a solution that is .1m in ions what mass of na2so4 must you dissolve in125 grams of water assume total dissolution of ionic solid.
March 23, 2013 by rich

chemistry
write a balanced net ionic equation for the overall reaction represented by the cell notation below. Pt/ Fe2+, Fe3+ // I-/AgI/Ag
May 12, 2013 by Lana

Chemistry
Write a balanced net ionic equation (include physical states) for the following reaction: HClO2(aq)+NaOH(aq)=H2O(l)+NaClO2(aq)
July 24, 2013 by Kierra

CHemistry
write the balanced net ionic equation that shows the formation of Fe(OH)3 in the reaction of iron (III) nitrate with sodium hydroxide. Please help
October 11, 2014 by Anonymous

Chemistry
A precipitate forms when solutions of sodium carbonate and calcium nitrate are combined. Write the net ionic equation for this reaction. Please help
October 12, 2014 by Anonymous

chemistry
assuming in the titration of NaCl and AgNO3, a student erroneously carried it out at a low PH,what effect will it be on the result. explain with an ionic equation
February 16, 2016 by Mina

Chemistry
11. Semiconductors (metalloids) have properties of both metals and nonmetals.-T? 13. Covalent bonding occurs when electrons are transferred from one atom to another.- F? 17. Bonding involves all the electrons in an atom.- T? 20. Nonpolar bonds form when electrons are shared ...
October 24, 2010 by mysterychicken

CHEMISTRY
Select all substances with an acceptor atom that can hydrogen bond to a hydrogen atom that is part of a polar covalent bond HCCH ethyne Br2 dibromine H2CCH2 ethene CH3Cl chloromethane CH3CH2CO2H propionic acid OF2 oxygen difluoride
January 24, 2009 by chris

college chemistry
Calculate the % empty space in 1 mole of water at 25 degree C (d=0.9971g/ml). The volume of a water molecule can be taken as the sum of the volumes of the 2 hydrogen molecules and the oxygen atom. Use the single bonded covalent radii of 37pm for hydrogen and 66pm for oxygen.
February 3, 2009 by christy

Biology
Dopamine is a neurotransmitter—a chemical released by nerve cells to send signals to other nerve cells. Activities like sex and gambling increase the levels of dopamine released within the brain. The highly addictive drugs cocaine and methamphetamine mimic the effects of ...
March 7, 2013 by qwerty

biology
Dopamine is a neurotransmitter—a chemical released by nerve cells to send signals to other nerve cells. Activities like sex and gambling increase the levels of dopamine released within the brain. The highly addictive drugs cocaine and methamphetamine mimic the effects of ...
March 8, 2013 by ismail

CHEMISTRY PLZ HELP
Select all substances with an acceptor atom that can hydrogen bond to a hydrogen atom that is part of a polar covalent bond. HCCH ethyne Br2 dibromine H2CCH2 ethene CH3Cl chloromethane CH3CH2CO2H propionic acid OF2 oxygen difluoride
January 24, 2009 by chris

CHEMISTRY PLZ HELP
Select all substances with an acceptor atom that can hydrogen bond to a hydrogen atom that is part of a polar covalent bond HCCH (ethyne), Br2 (dibromine), H2CCH2 (ethene), CH3Cl (chloromethane), CH3CH2CO2H (propionic acid), OF2(oxygen difluoride)
January 24, 2009 by chris

college chem. please help!!
Calculate the % empty space in 1 mole of water at 25 degree C (d=0.9971g/ml). The volume of a water molecule can be taken as the sum of the volumes of the 2 hydrogen molecules and the oxygen atom. Use the single bonded covalent radii of 37pm for hydrogen and 66pm for oxygen.
February 3, 2009 by christy

chemistry
Which of the following statements is true regarding the Lewis structure for methylamine, CH3NH2? a) There will be an unshared pair of electrons on the nitrogen atom. b) There will be three covalent bonds to the carbon. c) Nitrogen will form a double bond with the adjacent ...
September 9, 2010 by Sawyer

chemistry
name each of the following ionic compounds by stock system... couldn't find these in the list. a)NaCl b) KF c) CaS d) Co(NO3)2 e)FePO4 f)Hg2SO4 g) Hg3(PO4)2
March 2, 2008 by john

chem
how do you find the number of electrons in an ionic compound chart, if you haven't been given the charge? Would someone be able to please tell me? thanks
March 9, 2009 by micah

chem
Name each of the following ionic compounds containing a polyatomic ion. (Type your answer using the format copper(II) chloride for CuCl2.) 1.Sn(SO4)2 thanks
October 15, 2010 by sara

Chemistry
I need to know how to right a net ionic equation for the following chemical reaction: 5 H2C2O4 + 3 H2SO4 + 2 KMnO4 = K2SO4 + 2 MnSO4 + 8 H2O + 10 CO2
April 14, 2011 by Matthew

chemistry
if i dissolve 176 grams of ionic compound (particles=3) in 750 got H2O and freezing point to -8.3 degrees Celsius what is the molar mass
May 10, 2011 by chelsea

Chemistry
Write a balanced net ionic equation for the oxidation of metallic copper to Cu(II) ion by hot concentrated H2SO4, in which the sulfur is reduced to SO2
June 29, 2011 by Abby

Chemistry
Write the balanced net ionic equation. Label species as solids liquids gase aqueous. HNO3(aq) + Ba(OH)2(aq) ---> I don't understand the steps? And how to balance it?
July 24, 2011 by Keith

CHEMISTRY HELP !!!!
NH4CL , ZNCL2 , KAL(SO4)2 FIND THE FOLLOWING NET IONIC EQUATION FOR HYDROLYSIS EXPRESSION FOR EQUILIBRIUM CONSTANT (KA OR KB) VALUE THANK YOU SO MUCH!!!
April 10, 2014 by TANYA

Chemistry
What is the total ionic equation of this: 3CaCl2(aq) + 2K3PO4(aq) → Ca3(PO4)2(s) + 6KCl(aq) Shw all physical states of the reactants and products
September 26, 2014 by John

Chemistry
Write a net ionic equation for the overall reaction that occurs when aqueous solutions of potassium hydroxide and oxalic acid (H2C2O4) are combined.
September 28, 2016 by Adriana

anatomy and physiology
1)Provide the name and chemical symbol of 4 chemical elements you find in the human body. Select 1 of the 4 chemical elements, make the drawing of the atom and label the nucleus, protons, neutrons and electrons. 2)Make a drawing showing the molecular structure (it represents/...
May 17, 2015 by tony

Lauren
Arrange the following in order of increasing ionic radius: I^-, Cs+, and Te^2-. Explain this order
November 14, 2007 by Chemistry

chemistry
An ionic compound has the following composition (by mass): Mg, 10.9%; Cl, 31.8%; O, 57.3%. What is the formula and name of this compound?
December 13, 2010 by chemistry

Biology
Would an atom of silicon form an ionic bond with an atom of helium? Why or Why not?
March 8, 2015 by Taylor

Chemistry
Ionic bond sometime known as mutualism bond justify the validity of this statement
January 13, 2016 by Malugu ikinah

Chemistry
Which of the following elements has an ionic radius greater than its atomic radius a) Ca c) Fe b) Li d) N
October 21, 2010 by Jessica

Chem
net ionic equation of aluminum hydroxide + sodium hydroxide
April 2, 2011 by Adrianna

Chemistry
What is the net ionic equation for the reaction Cu(s) + 2 Ag (NO3)2(aq) --- Cu(NO3)2(aq) + 2AG(s)
September 29, 2011 by Monique

Chemistry
Ionic bonding typically occurs when a ______________ bonds with a ______________
November 14, 2011 by Help

  1. Pages:
  2. <<Prev
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
  16. 15
  17. 16
  18. Next>>