Biology
What pigment is often used in plants for photosynthesis?
chlorophyll
How many significant figures in 100 apples?
Infinity
You're wrong if you said 1 >:)
An object is at 6 m/s at t=1. At t=5, the object is now at 13.4 m/s. What is the average change in acceleration between t=1 and t=5?
1.85 m/s^2
PV=nRT
During cellular respiration what is produced, including byproducts?
CO2, ATP, H2O
What is the name of the polyatomic ion C2H3O2-?
Acetate
An object moves at 20 m/s in the x direction, and -80 m/s in the y direction. What is the magnitude and component form of the net velocity?
82.5 m/s
(20î-80ĵ) m/s
Hypertonic
Bacteria and Archaea are both examples of what type of cell?
Prokaryotes
The following reaction is what type of reaction? AgNO3(aq)+NaCl(aq)→AgCl(s)+NaNO3(aq)
Double Replacement
If the function x(t)=10t^4-2t^2 represents the position of an object, what is the object's acceleration at t=9?
9716 m/s^2
In a Redox reaction, when a substance is being oxidized, what is happening to its charge?
Its charge becomes more positive
If a large protein is trying to exit the cell but is cannot use other modes of transportation, what process would the protein need to go through to exit the cell?
Exocytosis
Sulfur Dioxide reacts with Oxygen gas to form Sulfur Trioxide. If 3.4 moles of Sulfur Dioxide react with excess Oxygen gas, how many moles of Sulfur Trioxide will form?
3.4 mols SO3
An elevator weighing 500,000 g is at rest. How much force would be needed in Newtons pushing from under the elevator to keep it at rest? HINT = Gravity accelerates objects at 9.8 m/s^2
4900 N
What type of virus integrates its DNA in host cells and can remain dormant for periods of time?
Lysogenic Virus
Which stem is edible?
a) Tomato
b) Carrot
c) Radish
d) Sugarcane
d) Sugar cane
A substance weighing 49 g cools down by 273 K. If the heat lost is 245 K, what is the specific heat of the substance.
18 J/kg*K
A bird is sitting in the middle of a wire which is bending under the bird's mass at rest. In terms of θ, m, and g, derive an equation that solves for the tension force of the wire.
Ft=(mg)/(2sin(θ))
The function a(t)=3 represents an object's acceleration. Derive an equation that represents the object's position, where c = the object's initial position.
x(t)=3/2t^2+vot+c