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Problem- Write a chemical equation to describe the reaction of metallic lead with hydroiodic acid, HI(aq). Include correct reactants and products, phase labels, and balanced coefficients
Explain each and every step in detail. I need proficient help in the above problems.
When concentrated sulfuric acid (18.0 M) is added to sodium chloride, hydrogen chloride gas is formed.
once leaving the cylinder a regulator reduces the pressure to 15.0 psig and a valve allows 1.000 mls of ethylene at
Four atoms of iron (Fe) are to be combined with three molecules of oxygen (O2). How many total iron atoms and oxygen molecules will be combined during the formation of Fe3O4?
Write the appropriate nuclear equation for the following description. Iodine-131, has a half-life of 8 days. If you started with a 12.0-mg sample of I-131, how much would remain after 24 days
Find the temperature on the kelvin scale which is exactly 5 times its equivalent Celsius temperature.
Problem- We found a theoretical spectrum of HCl for FTIR. Now assume that the isotope Cl 37 was used to generate the same spectrum. How would this heavier mass affect the spacing between the signal peaks?
To determine the molecular formula of a compound - gas was mixed with calcium chloride solution,
Iron(II) chloride (melting point 677°C) and potassium chloride (melting point 776°C) form the compounds KFeCl3 and K2FeCl4 at elevated temperatures.
A concentration cell consists of two Sn/Sn2+ electrodes. The electrolyte in compartment A is 0.15 M Sn(NO3)2. The electrolyte in B is 0.82 M Sn(NO3)2. Which electrode is the cathode
A solution containing 50.0 g NaNO3 in 75.0 g of H20 at 50°C is cooled to 20°. How many grans of NaNO3 remain at 20°.
A 4.00 g sample of an aluminum-copperalloy reacts with excess hydrochloric acid. The 2.81 L of H2(g) produced is collected over water at a barometric pressure of 758.4 mmHg and 19°C. What is the mass percent of aluminum in the alloy
The entatic state theorem proposes that enzymes create at the active site an area with its energy closer to that of a unimolecular transition state, rather than that corresponding to a conventional, limiting form of the molecule
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