acids and bases
What is the Arrhenius acid and what is the Arrhenius base in the above reaction?
8th grade science
i donw this one before and the answer is b)Balsa
chemistry-balanced redox equations
Use the following steps to balance the redox reaction below: Mg + Au+ Mg2+ + Au a. Write the oxidation and reduction half-reactions. Make sure each half-reaction is balanced for number of atoms and charge b. Multiply each half-reaction by the correct number, in order to balanc...
chemistry- electrochemical cell
What makes this an oxidation-reaction? 3Ag2S+2Al(s) -> Al2S3+6 Ag(s)? Write the half-reactions showing the oxidation and reduction reactions. Identify which is the oxidation reaction and which is the reduction reason. What is oxidized in the reaction? What is reduced? In th...
chemistry- Stoichiometry
If 852.04 g Al(NO3)3 reacted with the 741.93 g Na2CO3, which would be the limiting reagent? c. Use the limiting reagent to determine how many grams of Al2(CO3)3 should precipitate out in the reaction. d. If only 341.63 g of Al2(CO3)3 precipitate were actually collected from t...
chemistry
If 3 moles of a compound use 12 J of energy in a reaction, what is the Hreaction in kJ/mol? A. -4 kJ/mol B. -0.004 kJ/mol C. 0.004 kJ/mol D. 4 kJ/mol
chemistry- empirical formulas
since i dont have a teacher. I tried and this is what i came up with. 55.0/atomic massGa 55.0/69.723= 1.27 (rounded) 45.0/atomic massF 45.0/18.998404= 2.37 (rounded) If this is corect what do I do after this. If not can you help me with an headstart please.?
chemistry- empirical formulas
Calculate the empirical formula of a molecule with the following percent compositions: 55.0% gallium (Ga) and 45.0% fluorine (F). mass of 100g #of Moles in 100g of the compound Ga55.0% _____ ______ F45.0% ______ _______ c. Determine the molecular formula of a molecule having a...
chemistry
Which describes a source of radiation heat? A. Liquid or gas circulating to move the heat B. The sun sending out electromagnetic waves C. Two molecules colliding with each other D. Objects having kinetic energy because of their motion
chemistry
What must be known for the rate constant to be calculated from the rate law?
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