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If a 1-inch nail has a mass of 2.2g, what will be the mass of one mole of 1-inch nails?
A 50.0-mL sample of 0.50 M HCl is titrated with 0.50 M NaOH. What is the pH of the solution after 28.0 mL of NaOH have been added to the acid
Titanium (IV) oxide, TiO2, is heated in hydrgoen gas to give water and a new titanium oxide, TiO. If 1.598 g of TiO2 produces 1.438 g of TiO, what is the formula of the new oxide
Calculate the amount of heat required to heat a 3.8kg gold bar from 27 degree celsius to 63 degree celsius.
which of the binary compounds formed by the following pairs of elements contain polar covalent bonds. Check all that apply. A) C and Fe B) Na and O C) Al and S D) Se and O which from above are considered ionic compounds
if 29.7mL of a .205 M KOH solution is required to completely neutralize 25.0mL of a solution of CH3COOH, what is the molarity of the acetic acid solution? CH3COOH(aq)+KOH(aq)>KCH3COO(aq)+H2O(l)
Problem- You work in a small-scale manufacturing facility that uses acetophenone as the starting material for a multi-step synthesis. Your company buys ~98% pure acetophenone from a major manufacturer and purifies it in-house prior to its use in t..
A nugget of pure gold of 4.90 grams absorbed heat of 270 Joules. determine the final temperature of the Au if the initial temperature = 22.0°C? specific heat of Au =0.129 J/(g·°C).
(Nitration of Methyl Benzoate Worksheet Lab) The nitric acid used in the experiment is greater than 90% pure nitric acid. Why does the yield decrease as the percentage of water in the nitric acid increases. Why is the nitration of aromatic rings a..
how much tris (MW 121 g/mol) do you need to make 100 mL of a 20 mM buffer? 2) how much NaCl do you need to make 100 mL of a 5mM solution?
Compute the atmospheric pressure as well as total concentration of molecules at 5 km in molecules/cm3. Presume the temperature is -23 *C.
Reaction rate laws are frequently used to investigate reaction mechanisms. Would your results to this experiment be consistent with either or both of the following mechanisms?
a 0.1375 -g sample of solid magnesium is burned in a constant -volume bomb calorimeter that has a heat capicity of 3024
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