Answers: 2
Another question on Chemistry
Chemistry, 21.06.2019 18:30
What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?
Answers: 2
Chemistry, 21.06.2019 22:30
For the following, determine the type of reaction and then give products.
Answers: 2
Chemistry, 22.06.2019 07:30
All cells are made of four types of acids, lipids, proteins, and carbohydrates.
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
You know the right answer?
Does anyone have something to talk about im boredd...
Questions
English, 05.02.2021 06:20
Mathematics, 05.02.2021 06:20
Advanced Placement (AP), 05.02.2021 06:20
Mathematics, 05.02.2021 06:20
Social Studies, 05.02.2021 06:20
Mathematics, 05.02.2021 06:20
History, 05.02.2021 06:20
Mathematics, 05.02.2021 06:20
English, 05.02.2021 06:20
Health, 05.02.2021 06:20
Mathematics, 05.02.2021 06:20
History, 05.02.2021 06:20
