subject
Chemistry, 04.12.2020 20:20 mmelody5

Use the drop-down menus to indicate the stage of technological design in which each action would occur. Establish criteria and prepare the initial design.
Redesign and retest as necessary.
Define a need and research related information.
Build and test a prototype.


Use the drop-down menus to indicate the stage of technological design in which each action would oc

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 04:00
Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.
Answers: 1
question
Chemistry, 22.06.2019 10:30
Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.
Answers: 1
question
Chemistry, 22.06.2019 11:00
Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.
Answers: 1
question
Chemistry, 23.06.2019 00:00
Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3
Answers: 3
You know the right answer?
Use the drop-down menus to indicate the stage of technological design in which each action would occ...
Questions
question
Mathematics, 26.03.2020 09:53
question
Mathematics, 26.03.2020 09:55
question
Mathematics, 26.03.2020 09:56
question
Health, 26.03.2020 09:56
question
Mathematics, 26.03.2020 09:57
Questions on the website: 13722367