Chemistry, 02.02.2021 14:00 lordcaos066
Osmium metal, the densest element, has a density of 22.6 g/mL, while hydrogen, the least dense element, has a density of 8.99 e-5 g/mL. Calculate the volume occupied by 1.00 g of each element. How many times more dense is osmium than hydrogen?
Answers: 1
Another question on Chemistry
Chemistry, 22.06.2019 00:00
The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?
Answers: 2
Chemistry, 22.06.2019 06:30
The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide
Answers: 3
Chemistry, 22.06.2019 18:00
Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
Answers: 3
Chemistry, 22.06.2019 21:00
How many neutrons does an element have if its atomic number is 50 and its mass number is 166
Answers: 1
You know the right answer?
Osmium metal, the densest element, has a density of 22.6 g/mL, while hydrogen, the least dense eleme...
Questions
History, 19.09.2019 05:30
History, 19.09.2019 05:30
Mathematics, 19.09.2019 05:30
Mathematics, 19.09.2019 05:30
Mathematics, 19.09.2019 05:30
Computers and Technology, 19.09.2019 05:30
Social Studies, 19.09.2019 05:30
English, 19.09.2019 05:30
History, 19.09.2019 05:30
Mathematics, 19.09.2019 05:30
Social Studies, 19.09.2019 05:30
