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Write a molecular equation for the precipitation reaction (if any) that occurs when the following solution are mixed. How do you convert these over and please show steps.
1. potassium chloride and lead (II) acetate
2. lithium sulfate and strontium chloride
3. potassium bromide and calcium sulfide
4. chromium (III) nitrate and potassium phosphate
student placed 18.5 of glucose in a volumetric flask added enough water to dissolve the glucose by swirling then
Gasoline is composed primarily of hydrocarbons, including many with eight carbon atoms, called octanes. One of the cleanest-burning octanes is a compound called 2,3,4-trimethylpentane, which has the structural formula shown in the figure.
A sample of gaseous C2H2 (acetylene, or ethyne) was stored for one year, yet at the end of this period the sample remained unchanged and no graphite or hydrogen gas had been formed. Briefly explain why there is no inconsistency between the sign of..
The fuel used in many disposable lighters is liquid butane C4H10 How many carbon atoms
Calculate the total enthalpy change in the first stage and in both stages
The weak acid HZ has a ka of 2.55*10^-4. What is the pH of a .075 M HZ? What is the pOH of .045 M HZ?
Calculating the molecular formula of an organic compound. Worked example, using fundamental formula and balanced equations.
Calculate deltaH degrees for each of the following reactions: 4Na(s)+O29g) 2NaO(s) 2Na(s)+2H2O(l) 2NaOH(aq)+ H2(g)
Determine the critical micelle concentration and calculate the area occupied by each adsorbed surfactant molecule at the critical micelle concentration.
Explain how the vapor pressure of a compound is related to the liquid-vapor equilibrium and its equilibrium constant.How would it vary with the addition of more liquid?
The observations listed were made on different solns. Given the observations state which ion studied in this experiment is present. If the test is not definitive, indicate that with a (?).
Bovine Serum Albunim (BSA) You need to make 100 ml of 2mg/ml BSA. Describe how you would dilute the stock solution to make this
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