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What is the concentration of acetic acid which can be added to 0.5 M HCOOH solution so that dissociation of both is same? kCH3COOH =1.8*10^-5 , KHCOOH =2.4*10^-4
4.0 moles of methanol is allowed to react with 1.0 moles of benzoic acid to form methyl benzoate and water. After the mixture reaches equilibrium 0.10 moles of benzoic acid is recovered. What is the numerical value of the equilibrium constant
A student dissolves 7.39 g of and unknown protein in 0.286 l of water at 300k. She measures the osmotic pressure to be 3.932 x 10^-3 ATM.
an amino acid binding protein involved in transport of the amino acid across membranes was isolated from e. coli.
The solid copper (II) carbonate was isolated by vacuum filtration and dried; 0.920 g of copper (II) carbonate was collected. The net ionic equations for the reactions which occurred are shown below.
Predict the direction of the reaction when chlorine gas is added to an equilibrium mixture of COCL2, CO, and CL2. The reaction is COCL2(g) CO(g) + Cl2 (g)
You may assume that delta H and delta S are independent of temperature.
The specific heat capacities for all chemicals in the reactor, considered at the beginning of this problem, are given below: Cp(HNO3(l))=1.72J/g-K Cp(NH3(l))=3.8J/g-K Cp(NH4NO3(s))=1.8J/g-K
Explain an unknown acid is a diprotic acid can donate 2 proton. 0.954g of the unknown acid is titrated with 0.509M NaOH.
Question- How many unpaired electrons are found in the ground state electron configuration of selenium (Se)
If 22 mL of 5.6 Molarity was spilled, what is the minimum mass of that must be added to the spill to neutralize the acid?
Consider the following data: expect a BeF2 molecule to be linear but an SF2 molecule to be angular. Explain the decreasing melting point from NaF to Nai.
Assume that 285 J of heat is added to 4.00 g of water originally at 23.0 degree Celsius. What would the final temperature of the water be? The specific heat capacity of water is 4.184 J/g·°C.
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