Chemistry, 28.10.2020 02:50 donuteatingcat
30 POINTS
Why would a scientist revise a model? (choose the best answer)
Group of answer choices
to cover up evidence from a previous experiment
to show off to other scientists
to add unnecessary details to the model
in order to better explain what is happening during a phenomenon
When modeling it is important to (pick two)
Group of answer choices
show beginning, middle and end if it fits the phenomenon
only use one color
make sure there is only drawings and nothing written
use zoom in bubbles to show the unobservable
Which of the following is NOT a limitation of a model
Group of answer choices
inaccurate colors
the type of material used to create the model
a messy model
shapes that are an approximation
Answers: 3
Chemistry, 22.06.2019 03:10
Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol
Answers: 3
Chemistry, 22.06.2019 05:50
Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
Answers: 2
Chemistry, 22.06.2019 13:50
Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
30 POINTS
Why would a scientist revise a model? (choose the best answer)
Group of answer ch...
Group of answer ch...
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