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1. Name the following compounds:
S2Cl4
Fe2(SO4)3
LiMnO4
2. How many protons, neutrons, and electrons are in 76As-3?
__ protons __neutrons ___electrons
3. Give the chemical formulas for the following chemical names:
chromium(III) carbonate
diphosphorus tetrasulfide
barium phosphide
4. What is the formula and name for an acid that contains the molybdate ion, MoO4-2?
formula name
Weight 8.916 g CoCl2. 6H2O and dissolve it in 250 mL volumetric flask. Calculate the molarity of the CoCl2 solution prepared. Molecular weight of 6H2O= 237.9908g/mol
Explain if the heat capacity of the calorimeter and its contents was 24.571 Joule / degree C, from the data above, Define what is the value for burning 1 mole of the gas
How many Protons, Neutrons, and Electron of 63Li+. What are the mass number and atomic number of each of these atoms
a sodium thiosulfate na2s2o3 solution has a concentration of 0.175 m. an end point for this titration occurs when 48.94
The 13C nucleus is a spin 1/2 particle, which means it can orient in two directions in a magnetic field (with the field and against it). The difference in energy between the two orientations is given by:
a piece of metal alloy with a mass of 114g was placed into a graduated cylinder that contained 25.ml of water raising
an oxygen-oxygen bond has an enthalpy of 498 kj/mol , and the standard enthalpy of formation of CIO2(g) is DH f=102.5 kj/mol , use Hess's law to calculate the value for the enthalpy of formation of CIO (g)
How many calories are required to warm 15.0 g of water from 75 C to 100.0 C and convert it to steam at 100.0 C? The heat of vaporization of water is 540 cal/g.
We prepare a buffer by adding 0.4640 mol HNO3 to 0.5528 L of a solution containing 2.061 M trimethylamine [(CH3)3N, Kb = 6.500x10-5]. What is the pH of this buffer
A reaction has a standard free-energy change of -14.00 kJ mol-1 (-3.346 kcal mol-1). Calculate the equilibrium constant for the reaction at 25 °C.
Consider a gas in a 1.0 L bulb at stp that is connected via a valve to another bulb that is initially evacuated. Answer the following concerning what occurs when the valve between the two bulbs is opened.
a sample consisting of various gases contains 3.8times10-6 mole fraction of radon. this gas at a total pressure of 31
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