Breaking Bonds and Taking Names
What is the chemical formula for carbon dioxide?
CO₂
What process occurs when water moves through a selectively permeable membrane from an area of high concentration to low concentration?
Osmosis
What is the main difference between scalar and vector quantities?
Scalar just have magnitude (value) but no direction. Vector has both.
How many significant digits are in the number 5070?
4
Which planet is known as the Red Planet?
Mars
What is the correct name for MgO?
Magnesium oxide
Which organelle makes proteins and is found on the endoplasmic reticulum?
Ribosomes
According to Newton's Third Law, what accompanies every action?
An equal and opposite reaction
How many significant digits are in the number 0.0450?
3
Which element has the chemical symbol Au?
Gold
What is the correct name for FeCl₂?
iron(II) chloride
A hypertonic solution
If you have a flat section of a velocity time graph, what is the object doing?
Consistently moving
To which decimal place should the result of 12.45 + 0.3 be reported?
The tenths place (or 1 decimal place)
What is the largest organ in the human body?
The skin
What is the chemical formula for lead(IV) oxide
PbO₂
What specific type of tropism do stems demonstrate?
Negative gravitropism
At what point of a swing of a pendulum is all of the energy kinetic energy?
At the very bottom (90 degrees with the ceiling)
What would 145,890 be shown in proper sig digs if the lowest amount of sig digs was 3?
1.46 x 10^5
What is the leg bone in your thigh called?
The femur
What is the molar mass of calcium carbonate?
100.09 g/mol
A microscope has a field of view of 4.0 mm using a 4.0× objective lens. What is the new field of view when the objective lens is changed to 10×?
1.6 mm
What is the kinetic energy of a 2.0 kg object moving at 8.0 m/s?
64 J
What is the correct sig dig answer to 4.32 × 2.1?
9.1
Which scientist came up with the scientific process of natural selection?
Charles Darwin