Chemistry, 25.08.2019 10:00 HalpMehPlz
If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? show all of the work used to solve this problem.
2li (s) + 2h2o (l) yields 2lioh (aq) + h2 (g)
Answers: 1
Chemistry, 22.06.2019 09:00
Ineed to find the answer of this question because i dont understand it
Answers: 1
Chemistry, 22.06.2019 11:00
When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.
Answers: 1
Chemistry, 22.06.2019 11:40
Modern pennies are composed of zinc coated with copper. a student determines the mass of a penny to be 2.482 g and then makes several scratches in the copper coaling (to expose the underlying zinc). the student puts the scratched penny in hydrochloric acid, where the following reaction occurs between the zinc and the hcl (the copper remains undissolved): zn(s) + 2 hcl(aq) → h2(g) + zncl(aq)the student collects the hydrogen produced over water at 25 °c. the collected gas occupies a volume of 0.899 l at a total pressure of 79 j mmhg. calculate the percent zinc (by mass) in the penny. (assume that all the zn in the penny dissolves.)
Answers: 1
Chemistry, 22.06.2019 16:00
Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.
Answers: 1
If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at...
Mathematics, 21.09.2019 00:00
History, 21.09.2019 00:00
Mathematics, 21.09.2019 00:00
Computers and Technology, 21.09.2019 00:00
History, 21.09.2019 00:00
English, 21.09.2019 00:00
History, 21.09.2019 00:00
Physics, 21.09.2019 00:00
Social Studies, 21.09.2019 00:00
Chemistry, 21.09.2019 00:00
English, 21.09.2019 00:00
Mathematics, 21.09.2019 00:00
Mathematics, 21.09.2019 00:00