EXPERT VERIFIED | ACE THE
TEST
Law of Conservation of Mass - 🧠 ANSWER ✔✔Matter is not created nor
destroyed in any chemical or physical change
E= mc^2 - 🧠 ANSWER ✔✔Energy (e)= mass(m) x speed of light (c)
-basis is the law of conservation of mass and energy
significant figures (sig figs) - 🧠 ANSWER ✔✔all the digits that are known in
a measurement, plus the last digit that is estimated
, Kelvin scale - 🧠 ANSWER ✔✔theoretical temperature that is the lowest
called absolute zero
absolute zero - 🧠 ANSWER ✔✔The temperature at which no more energy
can be removed from matter
What is absolute zero on the Celsius scale? - 🧠 ANSWER ✔✔-273.150
degrees C
When making use of the system of scientific notation in expressing large
numbers, you need to. . . - 🧠 ANSWER ✔✔shift the decimal point until you
have just 2 digits on the left and then show the number of decimal points
moves as the exponent of 10
precision - 🧠 ANSWER ✔✔a measure of how close a series of
measurements are to one another; indication of the realism or possibility of
a given measurement
accuracy - 🧠 ANSWER ✔✔gives an indication of the proximity of a
measurement to its known or accepted value
Law of Conservation of Energy - 🧠 ANSWER ✔✔Energy cannot be created
or destroyed but can only be changed from one form to another