February 28, 2017

Posts by mZ. YoU

Total # Posts: 7

Can you help me with balacing this equation: potassium chromate + iron nitrate yeilds potassium nitrate + iron chromate I will be happy to critique your work on this. Okay so . . . I start off writing the equation equation like so K2CrO4 + FeNO3 YEILDS KNO3 + Fe2(CrO4)3 I ...
February 22, 2007

Can you balance this equation please? Fe2O3 + CO yeilds Fe + CO2 Fe2O3 + CO ==> Fe + CO2 Rule: balance by changing coefficients. You may not change subscripts. Look at the Fe atoms. There are 2 Fe atoms on the left and only 1 on the right; therefore, we place a 2 in front ...
February 20, 2007

How do you find Absolute error and how do you find relative error? Absolute error is the difference between the experimental value and the actual value. Relative error, usually expressed as a percent, is the error relative to the correct value. For example, ABSOLUTE ERROR: We ...
February 17, 2007

Teh molar mass of a compund is 92.0g/mol. Analysis of the compound indicates that it contains .606g Nitrogen and 1.339g Oxygen. Find its molecular formula? I was wondering can oyu explain how you received your answer Convert grams to mols. mols nitrogen = 0.606/14 = 0.0430 ...
February 15, 2007

Chemistry Help
Good morning, I would like to ask some questions. 1. Is KNO subscript 3 named potassium nitrate 2. Is NaOH named sodium Hydroxide 3. Cu(No subscript 3) subscript 2 named Copper(II) nitrate 4. PCl subscript 3 named phosphate trichloride 5. Can you help me create chemical ...
January 14, 2007

Confused very
What ever happened to the instant messaging help, that was helpful to me and it was cool. Thank you for using the Jiskha Homework Help Forum. It was very difficult to schedule. It necessitated that volunteers, who also have busy lives, just sit online and wait for someone to ...
December 27, 2006

Chemical formula for Mercury(II)Chloride, Potassium nitrite, Aluminum hydroxide, Sulfure Dioxide. Let me see if I am right for the ones I completed, okay for Potassium nitrite I put KNO^- and subscript 2 and for Aluminu hydroxide I put AlOH^-. I also need you to fill in this ...
December 21, 2006

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