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The conformation of a protein molecule can be changed without breaking covalent bonds?
What mass of melamine will be obtained from 168 kg of urea if the yield of the overall reaction is 79.0%
How many grams of NaH2PO4 are needed to react with 43.74 mL of 0.285 M NaOH by the following reaction- NaH2PO4(s) + 2 NaOH(aq) --> Na3PO4(aq) + 2 H2O(l)
In an experiment 2.830 g of magnesium is reacted with 2.776 g of oxygen gas according to the equation: Mg + O2 ==> MgO. A. What is the limiting reactant. What mass of the other reactant is in exess
Problem- If 2.65 g of n2h4 reacts and produces .750 L of n2, at 295k and 1.00 atm what is the percent yield of the reaction
the temperature decreases by 0.2010 K. Calculate the molar heat of solution of KCN.
A system absorbs 192 kj of heat and the surroundings do 110 kj of work on the system. what is the change in internal energy of the system.
Given that silicon and oxygen form a diatomic molecule of siO, write the orbital (electron) configuration for the molecule
a 0.30 m solution of sucrose c12h22o11 at 37oc has approximately the same osmotic pressure as blood. what is the
Question- Equal mass of water and ethylene glycol are mixed. What is the vapor pressure of this mixture at 100 °C? The molar masses of water and ethylene glycol are 18.02 g/mol and 62.07 g/mol, respectively. Assume ideal behavior for the solution.
find the rate of the reaction.c2h4gnbspnbspnbsp o3gnbsp harrnbspc2h4ognbsp nbsp o2ga. the concentration of
Problem- potassium perchlorate, KClO4(s) is soluble in water to the extent of 0.70 grams per 100.0 ml at 0 degrees Celsius. What is the Ksp of KClO4 at 0 degrees Celsius. FW of KClO4 is 138.55.
This sample is first heated to 100.0 degrees C, then added to a coffee cup calorimeter containing 35.0 g of water at 20.8 degrees C. The highest temperature observed is 31.0 degrees Celcius. a) Calculate the specific Heat of the lead
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