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What does a greater power rating mean in terms of
(a) the amount of work that can be done in a given time, and
(b) how fast a given amount of work can be done? What do we pay the electric company for-power or energy? In what units?
In a bad sporangiospores and fungi, are found in bag-like structures. Ascospores are also found in bag-like structures, but are always present in even numbers. Why are these spore types not the same?
Large quantity of ammonia are burned in the presence of platinum catalyst to give nitric oxide as d first step in the preparation of nitric acid.
A piece of solid carbon dioxide, with a mass of 7.8g is placed in a 4.0L otherwise empty container at 27 deg C. What is the pressure in the container after all the carbon dioxide vaporizes?
If the following elements (Na, K, RB, Cs, Fr) were ranked in order from smallest (1st) to largest (5th) ionization energy, where would sodium be listed
A photomultiplier is being used to detect 770 nm infrared photons from the excitation of potassium. These photons impinge on a 2 cm square cesium metal surface inside the photomultipler, there is enough energy to release electrons from this metal...
a 0.10 m solution of lactic acid a weak monoprotic acid of fromulahc3h5o3 was found to have a ph of2.43. what is the
Explain how many grams of which reactant remains after the reaction of 15.0 g of MnO2 86.9 g/mol) and 30.0 g of HCL (FW = 36.5 g/mol) according to the following chemical equation?
The permanganate ion is reduced to manganese (II) ion. Another 50.00 mL sample of the solution is treated with zinc, which reduces all the Fe^3+ to Fe^2+. The resulting solution is again titrated with 0.0280 M KnO4; this time 49 mL is required. Wh..
Define what weight of compound Y would be removed from the original water solution in question c) by two extractions by means of 50mL of ether each time
liquid NCl3 in a 2.50L closed container is heated until it decomposes completely to gaseous products. the resulting mixture exerts a pressure of 745mm Hg at 95 degrees celsius
Dimethyl ether, used as a solvent for extraction of organic compounds from aqueous solutions, has a high vapor pressure which makes it a potential fire hazard in labratories in which it is used
The following pressure and volume data were obtained for 1.00 gram of unknown gas at 90.0C. Calculate the molar mass of the unknown gas in g/mol.
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