Chemistry, 03.12.2020 19:40 justiceharris8
Acetic acid has a ka 1.8x10^-5. How many grams of NAC2H3O2 would have to be added to 100ml of 0.1M HC2H3O2 to prepare a buffer with a PH of 4.5 g?
Answers: 1
Chemistry, 21.06.2019 23:30
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.
Answers: 2
Chemistry, 22.06.2019 01:50
Ase your answer to this question on the information below.hydrocarbons and fissionable nuclei are among the sources used for the production of energy in the united states. a chemical reaction produces much less energy than a nuclear reaction per mole of reactant.the balanced chemical equation below represents the reaction of one molecule of a hydrocarbon with two molecules of oxygen.chemical equation: ch4 + 2o2 → co2 + 2h2o + 1.48 × 10−18 jthe nuclear equation below represents one of the many possible reactions for one fissionable nucleus. in this equation, x represents a missing product.nuclear equation: write an isotopic notation for the missing product represented by x in the nuclear equation.
Answers: 1
Chemistry, 22.06.2019 10:10
For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2
Answers: 3
Acetic acid has a ka 1.8x10^-5. How many grams of NAC2H3O2 would have to be added to 100ml of 0.1M H...
Social Studies, 18.09.2020 17:01
Mathematics, 18.09.2020 17:01
Mathematics, 18.09.2020 17:01
Mathematics, 18.09.2020 17:01
Mathematics, 18.09.2020 17:01
Mathematics, 18.09.2020 18:01
Mathematics, 18.09.2020 18:01
Mathematics, 18.09.2020 18:01
Mathematics, 18.09.2020 18:01
Mathematics, 18.09.2020 18:01
English, 18.09.2020 18:01
Mathematics, 18.09.2020 18:01
Mathematics, 18.09.2020 18:01
Mathematics, 18.09.2020 18:01
English, 18.09.2020 18:01
Mathematics, 18.09.2020 18:01
Mathematics, 18.09.2020 19:01
English, 18.09.2020 19:01
English, 18.09.2020 19:01
Mathematics, 18.09.2020 19:01