subject
Chemistry, 26.01.2021 06:40 nelly88

Students were conducting an investigation to see how the lid of a cup affects the temperature of the liquid inside the cup. The students will set up two identical cups, one with a lid and one without. They will use the same amount of water for each cup with the same initial temperature. After 30 minutes they will record the temperature of each cup to see which one had the most temperature change. Drag and drop each of the variables to their correct classification. Independent variable
Dependent variable
Controlled variable

Time
Initial temperature
Cups
Lid
Temperature

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 21:30
The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?
Answers: 1
question
Chemistry, 22.06.2019 09:00
Particles vibrate in a rigid structure and do not move relative to their neighbors.
Answers: 1
question
Chemistry, 22.06.2019 16:10
Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)
Answers: 2
question
Chemistry, 23.06.2019 10:30
4al + 3o2 → 2al2o3 what does the "3" in front of o2 stand for? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. c) it indicates that there are 3 oxygen molecules chemically bonded to each other in the reaction. d) it indicates that there are 3 separate oxygen molecules in the reaction.
Answers: 2
You know the right answer?
Students were conducting an investigation to see how the lid of a cup affects the temperature of the...
Questions
question
Mathematics, 11.10.2021 01:30
question
Mathematics, 11.10.2021 01:30
question
Chemistry, 11.10.2021 01:30
Questions on the website: 13722367