subject
Chemistry, 28.04.2021 16:40 Yeajay6313

In order to model a chemical change in the laboratory, a student wants to select the appropriate measuring apparatus to record the reaction. Which apparatus could be used to detect that c chemical change occurred with a substance in laboratory setting? Select ALL
that apply.
图 40
A)
B)
The student could use a hand lens to see if the original substance had been
crushed into smaller particles.
The student could perform an odor test to detect if a new smell emerges
from the interaction of the substance in the lab.
The student could test whether a gas was released during the interaction
of the substance with another substance in the lab.
The student could use a spatula to determine if a precipitate/solid formed
at the bottom of the beaker containing the substance,
The student could use a balance and a volumetric flask to determine the
lass and volume of the substance in order to determine its density
D)
E
E)


In order to model a chemical change in the laboratory, a student wants to select the appropriate me

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 01:00
What is the equilibrium constant of aa+bb=cc+dd
Answers: 1
question
Chemistry, 22.06.2019 17:30
What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.
Answers: 1
question
Chemistry, 22.06.2019 18:00
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
question
Chemistry, 22.06.2019 19:00
Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?
Answers: 1
You know the right answer?
In order to model a chemical change in the laboratory, a student wants to select the appropriate mea...
Questions