Answer:
using test tube tongs to handle the hot test tubes
checking the beaker for chips prior to heating on the hot plate
turning off the hot plate after use
Explanation:
Because in a convection cycle heat rises and the cooler air sinks, more heat will be in the air than at the bottom.
Answer:
The density of the liquid is 1.153 grams/ml.
Explanation:
You have to use the fomula of density
density = mass/volume ⇒ density = 376 grams/321 ml ⇒
density = 1.153 grams/ml.
Answer:
17 protons
19 neutrons
Explanation:
Chlorine will always have the same amount of protons, and that would be 17 protons.
The atomic mass will change according to how many neutrons are present.
Cl - 35 is comprised of 17 protons and 18 neutrons.
We want to find Cl - 36:
We simply add 1 neutron. 18 + 1 = 19 neutrons.
Answer:
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