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the length of one cell edge of sodium chloride is 5.6042 A. calculate the radius of a sodium ion. calculate the radius of a chloride ion. find values reported for the ionic radii or sodium and chlorine in a refernce book, and compare them with the values you determined. is the differnece significant?
the cathode if you charge a lead storage battery for 1.85 h with a constant current of 13.4 A?
A second-order reaction of the type A+2Bâ†'P was carried out in a solution that was initially 0.050 mol dmâˆ'3 in A and 0.030 mol dmâˆ'3 in B. After 1.0 h the concentration of A had fallen to 0.010 mol dmâ
To provide energy for the human, the O2 is reduced to H2O duing food oxidation by the following reaction: Recall that 1 ampere is equal to a charge of 1 coulomb per second flowing past a point in a circuit.
A student is asked to determine the formula of a hydrate of colbalt (II) chloride. The mass of the empty clean, dry crucible and cover, after heating is 22.446 g. A sample of 0.324 g of cobalt chloride is added to the crucible.
Ammonia (NH3) is widely used as a fertilizer and in many household cleaners. How much ammonia is produced when 6.32 mol of hydrogen gas react with an excess of nitrogen gas?Answer in units of mol
Description of Chemical Reactions, Why when heating and cooling three different separate substances in open containers does the mass change in two of them (one loss mass; the other gained mass) but stays the same in the third when it is known that..
One molecular form of elemental sulfur is a ring of eight sulfur is a ring of eight sulfur atoms. As one molecule of this element is burned to make sulfur trioxide, how many oxygen molecules are used?
How many grams of hydrobromic acid (HBr) must be dissolved in 720 ml of water to make a solution with a pH = 6.2?
It was originally part of my ebook EVERYTHING YOU NEED TO KNOW ABOUT CHEMICAL NOMENCLATURE. If you want more information or a more complete description to include inorganic compounds please see the ebook section of this website.
A 52.0mL volume of 0.35M CH3COOH (Ka=1.8x10^-5) is titrated with 0.40 M NaOH. Calculate the pH after the addition of 31.0mL of NaOH.
Draw the product of the reaction between 1-butyne and NaNH2 in NH3, then D3O+. To add a deuterium atom, first explicitly add an H.
Suppose we are dealing with calcium chloride as opposed to the chemical in the video. If a solution contains 70 g of calcium chloride per 100 g of water at 25 degrees Celsius
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