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what volume of hydrogen at STP is required to produce 25 g of ammonia
A nitric acid solution containing 71% HNO3 (by mass) has a density of 1.42g/mL. how many moles of HNO3 are present in 1.00L of this solution.
What is the solubility of MnS, in grams per liter, in a buffer solution that is 0.115M HC2H3O2 - 0.500M NaC2H3O2 ? For MnS, Kspa=3x10^7
Calcium hydride reacts with water to form calcium hydroxide and hydrogen gas. How many grams of calcium hydride
What would be the charge of the imidazole side chain of histidine at pH 7? Assume the pKa of the side chain is 6.0. 8) Assume the pKa of the alpha-carboxyl group = 2.0 and the pKa of the alpha-amino group = 10.0. What would be the net charge of gly..
Question- An equilibrium mixture contains 0.500 mol of each of the products (carbon dioxide and hydrogen gas) and 0.200 mol of each of the reactants (carbon monoxide and water vapor) in a 1.00-L container.
Question- Show why a buffered solution does not change its pH significantly when small amounts of bases or acids are added, using the following solutions of A)0.1 M HCl B) ).1M NaCH3COO and 0.1 M CH3COOH. Calculate the pH of the solutions before a..
calculate porphyrin molecule lowest energy absorption if length of molecule is 1000 pm as approximated by porphyrin
Calculate the magnitude of the current in amperes if the number of moles of hydrogen gas produced is 4.80×10-4 moles.
a 50.0 ml solution of 1.2 m hcl at 24.1 deg celsius is mixed with 50.0 ml of 1.3 m naoh also at 24.1 degrees celsius in
the addition of bromine to an equimolar mixture of cis- and trans-2-butene generates only three stereoisomers. Explain.
a quantity of liquid methanol ch3oh is introduced into a rigid 3.00 l vessel the vessel is sealed and the temperature
For the reaction: 2N2O5(g) → 4NO2(g) + O2(g) at the time when N2O5 is being consumed at a rate of -1.2 × 10-4 M/s, what is the rate at which O2 is being formed?
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