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State a balanced chemical equation for the reaction of CuSO4*5H2O with ammonia to for [Cu(NH3)4]SO4*H2O
Carboxypeptidase A is an exopeptidase, which means that it only cleaves the C-terminal residue from a polypeptide chain. Why is only the C-terminal residue cleaved, and no cleavage in the chain?
The equilibrium constant at 427°C for the reaction N2(g) + 3H2(g) 2NH3(g) is Kp = 9.4 × 10-5. Calculate the value of ΔG° for the reaction under these conditions.
Determine the percent by mass water content of our brand and compare it to the competiotyors brand.
What is the molecular formula of a compound with the empirical formula NO¿ and a molar mass of 138.02 grams per mole?
The osmotic pressure was found to be 1.86 torr at 25°C. What is the molar mass of the polyethylene. R= 62.4 L-torr per mol Kelvin
Find the standard enthalpy of formation of ethylene, C2H4(g), given the following data: heat of combustion of C2H4(g) = -1411 kJ/mol; ?H°f[CO2(g)] = -393.5 kJ/mol; ?H°f[H2O(l)] = -285.8 kJ/mol.
a 25.0 gram piece of ice at 0.0 degrees celsius is added to a sample of water at 8.0 degrees celsius. all of the ice
what is the concentration of the 25.0 mL of diluted drink in the volumetric flask?
At 450 Celsius, 5.56 moles of ammonia are place din a 2.00-L vessel and allowed to decompose to the elements. 2NH_3_(g) N_2_(g) + 3H_2_(g)
when 1.00 g of pure benzoic acidnbsp nbspc7h6o2nbsp is added in 50.0 grams of carbon tetrachloride ccl4 the freezing
A mixture of NaCl, SiO2, and CaCO3 is separated following the procedure given in this experiment. Indicate how each of the following procedural changes would affect the amount of the specified substance recovered.
Draw arrows above each of the following covalent bonds to indicate the direction of the dipole-moment in the bond.
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