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For each of the following mixtures, put an X next to those in which a reaction will occur. potassium bromide and chlorine sodium chloride and bromine potassium iodide and bromine potassium iodide and chlorine sodium bromide and iodine sodium chloride and iodine
The density of liquid oxygen at its boiling point is 1.14 {kg/L} , and its heat of vaporization is 213 {kJ/kg} . How much energy in joules would be absorbed by 2.0 L of liquid oxygen as it vaporized? Express your answer numerically in joules.
In which of the compounds CH4, NH3,H2O, SiH4, or H2S does hydrogen bear a partial negative charge
Suppose that 1.419 g of impure barium hydroxide is dissolved in enough water to produce 213 mL of solution and that 40.4 mL of this solution is titrated to the stoichiometric point with 8.3 mL of 0.0696 M HCl(aq). What percentage of the impure sam..
A tunable dye laser emits pulses of light at 609.0 nm, each having a total energy of 9.8E-6 J. Calculate the number of photons in each pulse.
For which of the following pairs are the atoms most likely to form an ionic bond with each other? A) carbon and oxygen B) calcium and chlorine C) chlorine and oxygen D) sodium and magnesium
A certain gaseous oxide of sulfur has an effusion rate that is 0.707 times the effusion rate of oxygen gas. What is the most likely molecular formula of this oxide?
Compounds are always composed of two or more elements. Atoms of different elements are different. Isotopes have the same number of protons but a different number of neutrons.
The plant manager would like to dump the wastewater into a nearby river. The local water quality control regulatory agency will allow at most discharge of 30,000 lb/h at a maximum salt content of 0.5%. Draw a flow diagram. Complete a DOF analysis ..
The amount of nitrogen in an organic substance can be determined by an analytical method, called the Kjeldahl method, in which all the nitrogen in the organic substance is converted to ammoinia.
The ballon ascends to and altitude where the pressure is 504 mmHg and temperature is -34degree celcius . What is the volume of the ballon at this altitude
A certain quantity of gas occupies 61.3 mL at 68C. If the pressure remains constant, what would be the volume of the gas at 128C?
Calculate the theoretical yield of C2H5Cl when 110 g of C2H6 reacts with 226 g of Cl2, assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl.
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