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What are the formal charges on all of the atoms in question 7? How many resonance structures are there?
empirical and molecular formula what are both the empirical and the molecular formula for the compounds described
Write balanced molecular, ionic and net ionic equations for each reaction that occurred in experiment
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 300mL of a solution
Make a list of the operations you will need to perform in order to display a spectrum of your food dye on the spectrophotometer.
Triethylamine, (ch3ch2)3n, is a liquid that boils at 89C and has a viscosity of about 4 x10^-4 kg/ms. Explain the differences in properties of these two componds.
Zinc is reacted with hydrocloric acid to make hydrogen gas and zinc chloride. when 42.86 g of zinc is added to 40.11g of hydrochloric acid, 63.22g of zinc chloride were collected.
Discribe how to prepare this solutions show all work and calcualtion? a) 50mL of asolution containing 0.15M malonic acid [CH2(COOH)2 plus 0.02 manganese sulfate [ MnSO4] b) 100 mL of 0.08M sulfuric acid [H2SO4] from 18 M concnentrated sulfuric aci..
Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of the phases in your answer.
An empty Erlenmeyer flask weighs 261.9 g. When filled with water (d = 1.00 g/cm3), the flask and its contents weigh 465.2 g. What is the flask's volume in cm^3?
What are the factors that can influence the rate of a chemical reaction? 2- Why do the rates of most chemical reactions slow down over time?
What is the principle quantum number for the inner transition metals? (the atomic numbers are 57 through 102, called the lanthanide series
Calculate the volume of 1M solution of HCl needed for 1 unit shift of the pH of thhe following solutions:
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