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An insulated container is used to hold 48.20 g of water at 17.70 degrees celcius. A sample of copper weighing 16.80 g is placed in a dry test tube and heated for 30 minutes in a boiling water bath at 110.0 degrees celcius. Given that the specific heat of solid copper 0.385 J/g degrees celcius, calculate the maximum temperature of the water in the insulated container after the copper metal is added
how many ounces would 12.30 moles of sulfur hexafluoride
Three solutions are mixed together to form a single solution. One contains 0.2 mol Pb(CH3COO)2, the second contains 0.1 mol Na2S, and the third contains 0.1 mol CaCl2. Write the net ionic equations for the precipitation reaction or reactions that ..
39 ml of .2 M HCL and 50 ml of .4 M NaOH are mixed. After mixing, but before they react, what is the new M of the HCL and NaOH?
while out testing stream water quality in a local fresh water creek you measure the dissolved oxygen concentration to
the value of kp for the reaction 3h2 n2--gt2nh3 is 4.3x10-4 at 648 k. determine the equilibrium partial pressure of
calculate the amount of potassium ferricyanide(formula weight 329.23g/mole) that must be used to prepare 250 mL of a 2.5X10-3 M solution.
question a 0.100 m solution of a certain weak acid ha is found to have a ph of 2.45. calculate the ionization for the
Write and balance the equation for the reduction of iodate by hydrogen sulfite ions to give iodide and sulfate in basic
which cation will precipitate first. What minimum concentration of Na2SO4 is required to cause the precipitation of the cation that precipitates first
The solubility product for CuI(s) is 1.1x10-12. Calculate the value of the cell potential for the following half-reaction.
In this experiement (a) which group in the acyl compound is being substituted and (b) what is the substituting group
Write the Henderson-Hasselbalch equation for a solution of propanoic acid (CH3CH2CO2H, pKa = 4.874 ) using HA and A- in the expression. pH= ? Using this equation, calculate the quotient
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