Chemistry, 16.10.2019 07:50 Shavaila18
Aperson measures the mass of an 8 cm3 block of brown sugar to be 12.9 g. what is the density of the brown sugar.
Answers: 1
Chemistry, 21.06.2019 13:30
What is the molecular formula of a hydrocarbon with m+ = 166? (write the formula with no subscripts, e.g. c4h10.) what is the sum of rings and double bonds in this compound?
Answers: 1
Chemistry, 21.06.2019 18:00
Temperature and kinetic energy are proportional. a) adirectly b) directly c) indirectly
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Chemistry, 22.06.2019 06:00
An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g
Answers: 3
Chemistry, 22.06.2019 07:30
Calculate the ratio of h+ ions to oh– ions at a ph = 7. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 7. are they the same? why or why not? record your comparison in table a. what is the concentration of h+ ions at a ph = 7? mol/l what is the concentration of oh– ions at a ph = 7? mol/l what is the ratio of h+ ions to oh– ions at a ph = 7? : 1
Answers: 1
Aperson measures the mass of an 8 cm3 block of brown sugar to be 12.9 g. what is the density of the...
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