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Decide whether or not the metal K dissolves in 1 M HCl. For this metal, if it does dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
Decide whether or not the metal Pb dissolves in 1 M HCl. For this metal, if it does dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
How much KClO3 in grams is needed to generate 7.50L of O2 at pressure of 1.00atm and temp of 298K?
If the volume of ocean water 5.4*10^20) contains 4.1 percent sodium chloride ("salt") by mass and the density of the water is 1.86 g/mL, calculate the total mass of sodium chloride.
If solar radiation is 1200 W/m^2 , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 for solar radiation. A green leaf has a surface area of 2.15 cm^2.
chloromethane gas (CH3Cl) at 20.0 degrees celsius and 0.973 atm pressure. The molar mass of a chloromethane is 50.5 g/mol.
Calculate the total enthalpy change in the first stage and in both stages
A solution made by adding 105g of NaCl to 1 kg of water freezes at 20 degrees F (-6.7 degrees Celsius). Calculate the mass of CaCl2 that would lead to the same freezing point depression
What information is required in order that you are able to diagram an atom?
A 0.1019g portion of an aspirin tablet was dissolved in sufficient water to prepare 1.000L of solution. A pipet was used to transfer 10 mL of the solution to a 100 mL volumetric flask. A 2 mL portion of 4 M NaOH (aq) was added to the flask, and th..
A hiker caught in a thunderstorm loses heat when her clothing becomes wet. She is packing emergency rations that, if completely metabolized, will release 30 kJ of heat per gram of rations consumed.
Derive an expression for (dH/dp)T soley in terms of T, p, V. Show that this quantity is identically zero for an ideal gas and find the equivalent expression for a van der Waals gas
Silver has two naturally-occurring isotopes with masses of 106.905092 amu and 108.904756 amu. What are the percent abundances of each isotope, respectively?
how many grams of lead (II) chloride is produced when 13.87 g lead (II) nitrate combines with hydrochloric acid to produce lead (II) chloride and nitric acid?
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