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Assign an oxidation state to each element in each compound. Express all answers as a signed integer. 1. Na3PO4 2. Hg2S 3. Fe(CN)3 4. NH4Cl
Draw the mechanism of Grignard Synthesis of Malachite Green. (Ensure that all mechanistic arrows are correctly drawn.) Show the following
How many moles of HNO3 are present in 33.5 mL of a 2.20 M solution of nitric acid?
Copper (II) hydroxide from Copper (II) nitrate. Confirm that an acid base reaction occurred stoichiometrically identify the limiting the reactant and the excess reactant.
Combustion analysis of an unknown compound containing only carbon and hydrogen produced 4.554 g of CO2 and 2.322 g of H2O. What is the empirical formula of the compound? this would be so much easier if they gave the grams of the unknown compound.
A foundry worker throws a hot, freshly cast piece of iron into 10 liters (10 kg) of water to cool off. The initial temperature of the water is 25 degree celcius and the initial temperature of the iron is 100 degree celsius.
Propose a structure for an amine of formula C4H9N, which liberates a gas when treated with NaNO2 and HCl. The 13C NMR spectrum is as follows, with attached protons in parentheses
At a certain temperature and pressure 2.8 L of N2 reacts with 4.2 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced?
When you use the half reaction method to balance the redox reaction between one mole of NBS and ascorbic acid to give L-dehydroascorbic acid and succinimide, how many moles of electrons are transferred.
A mixture of 1.07 g H2 and 1.50 g He is placed in a 1.00-L container at 30.°C. Calculate the partial pressure of each gas and the total pressure.
How many milliliters of O2 gas at 25 C and 1.00 atm pressure are obtained by the thermal decomposition of 0.470g of KMnO4? The balanced equation for the reaction is:
write the sybolic representation for the galvanic cell. what would "standard conditions" for this galvanic cell be? If the cell is at standard conditions, determine the cell potential(E cell).
As a food chemist for a major potato chip company, you are responsible for determining the salt content of new potato chip products for the packaging label.
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