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Write the balanced molecular equation for each reaction and the net ionic equation?
a) Solutions of ammonium phosphate and lithium hydroxide are mixed
b) Solutions of aluminum and magnesium sulfide are mixed
c) A piece of aluminum is dropped into a solution of zinc nitrate
How do epidemiologists distinguish between correlation and causation? Discuss the elements of Hill's criteria, and provide an example of how correlation can be confused with causation.
What is molarity of NaOH solution if 26.0ml of 0.380 M H2So4 solution is required to neutralize a 25.0ml sample of the NaOH solution
when 3-methyl-1 5-pentanediol is warmed with polyphosphoric acid the major product has a molecular formula c6h12o. what
The pressure of the He at 25 degrees celsius is 145 mmHg. The bulb is then heated to 325 degrees celsius and all the (NH4)2 S decomposes to form NH3 and H2S, with a resulting total gas pressure of 875 mmHG. What is the partial pressure of the NH3 ..
Suppose 250.0 mL of 1.00 M HCl and 250.0 mL of 1.00 M NaOH, both initially at 21.0°C, are mixed in a thermos flask. When the reaction is complete, the temperature is 27.8°C. Assuming that the solutions have the same heat capacity as pure water, co..
in a test on the vaporization of water into air in a wetted-wall column the following data were obtained tube diameter
An experiment requires 46.0 of ethylene glycol, a liquid whose density is 1.114 . Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder.
seperate two compounds efficiently, what alternatives would one consider to effect clean separation by distillation?
The standard enthalpy of formation of Zn^2+ (aq) is -153.9kJ/mole. How much heat is evolved when 0.3724 g of Zn(s) reacts with excess hydrochloric acid
Calculate delta H(neutzn) for the reaction of NH(3) and acetic acid and the percent error for the correct deltaH(neutzn) if a change in temp of 4.76 degree celcius had been used.
Answer the following questions: a) can Al3+(aq) oxidize tin (Sn) under standard-state conditions?; b) would it be OK to store an aqueous AlCl3 solution in a tin container?; c) can Sn2+(aq) oxidize aluminum (Al) under standard state conditions?; d)..
An apparatus to be used in a decomposition study was filled with N2 gas at 400.00 mm Hg and 400.0 deg C. The volume of the apparatus was 400.0 mL.
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