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(a) The symbol and group number of the Period 7 transition element whose atoms have the fewest protons are (a) and (b) .(b) The elements in Group 6A(16) are sometimes called the chalcogens. The symbol and atomic number of the only metallic chalcogen are (a) and (b) .(c) The symbol and number of protons of the Period 4 alkali metal atom are (a) and (b) .
the effect of temperature on gases confined to small volumes. What is the pressure of 3.40mol of gas D measured at 251 C in a 1.75-L container assuming real behavior?
KHP is an acid that is monoprotic and hardly hygroscopic. When carbon dioxide reacts with NaOH it produces sodium carbonate. I kind of understand how to do part b but i really don't understand how to do part a.
aspartame c14h18n2o5 is a solid used as an artificial sweetener. its combustion produces carbon dioxide gas liquid
0.65 of hydrogen chloride () is dissolved in water to make 7.5 of solution. What is the of the resulting hydrochloric acid solution
TiCl4(l)+2H2O(l)=TiO2(s)+-4HCl(g), If you begin with 14.0 mL of TiCl4 (d=1.73mL), what mass of water, in grams, is required for complete reaction
Calculate the pH after the addition of 0.0 mL, 5.0 m, 10,0 mL, and 20,0 mL NaOH. At each of these three points, indicated by formula the chemical species present in solution
The following reaction was carried out in a 2.50L reaction vessel at 1100 K: C(s)+H2O(g)?CO(g)+H2(g) If during the course of the reaction, the vessel is found to contain 5.25mol of C
Provide an explanation on why the methylene unit between the two carbonyl groups is more acidic than each of the methyl groups in acetylacetone. In the reaction conditions, what is the base responsible for the deprotonation of acetylacetone
when measured in aa quartz cuvett of 1cm path length. What is the concentration of DNA in µg/mL?
The product of this reaction contains two stereocenters. Due to the stereospecificity of the bromination and the symmetry of the product, however, only the meso-diastereomer of stilbene dibromide is produced.
The gas above the top liquid is at an absolute pressure of Pg. Furthermore, the densities and heights of liquid 1 and liquid 2 are P1 and P2 , and L1 and L2 , respectively. In terms of these given symbols, waht is the absolute pressure at the bott..
These air conditioners are recharged from stockpiled supplies of CFC-12. If each of the 100 million automobiles contains 1.1 kg of CFC-12 and leaks 25% of its CFC-12 into the atmosphere per year, how much Cl in kilograms is added to the atmosphere..
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