Chemistry
Balance the following equation
NH4NO3 --> N2 + O2 + H2O
2NH4NO3 --> 2N2 + O2 + 4H2O
He first came up with the idea of spontaneous generation.
Aristotle.
John has an acceleration of -2.50 m/s^2 and an initial velocity of 13.5 m/s. How long will it take John to come to a complete stop?
5.4 seconds
What does the mantle consist of?
What is the acceleration due to gravity?
9.81 m/s^2
These compounds are named starting from the left of the periodic table, use "ide" as a suffix, and use prefixes.
Molecular compounds
Define passive transport
The movement of particles through the process of diffusion
A 5kg gargoyle 20m high on a building becomes dislodged and falls to the ground. What is the velocity when it reaches the ground?
19.8 m/s
This gets stored in between plates before earthquakes.
Tension
What is the water system on and around the earth called?
Cryosphere
Polyatomic ions
These 2 tubes are responsible for the transport of nutrients, waste, and water in a plant.
Xylem and Phloem
Andreea is already 5 minutes late to work because she needed an iced coffee. If she is walking at 2m/s and has 500m to go, how late will she be in TOTAL? (Answer in minutes to 2 decimals)
9.17 minutes
What does a continent - continent convergent boundary create?
Mountain ranges
What is 35900000 J written in scientific notation?
3.59 x 10^7 J
What is the mass of 2 moles of NaCl?
116.88 g
This solution has a higher solute concentration outside the cell rather than inside the cell.
The area under a Force-Displacement Graph is equal to what?
Work
Which type of crust is denser?
Oceanic
What does c stand for in the equation Q=mc/\T and what are it's units?
Specific heat capacity (J/g degreeC)
The temperature of 150kg of air decreased by 2 degrees celcius. How much energy is needed to reheat the air to its original temperature?
303 kJ or 303000 J or 3.03 x 10^5 J
Together, these organelles handle fats, secretions and protein synthesis. They are located on the nuclear envelope.
What is the endoplasmic reticulum (smooth and rough)?
What is the first law of thermodynamics?
Energy cannot be created or destroyed, but can be transformed or transferred from one object to another.
What are the 3 types of boundaries found on Earth?
What is the percent of solar reflection due to the color of the land called?
Albedo