Chemistry
What is the chemical symbol for water?
H₂O
62+49
111
What is the basic unit of life?
The cell
An object is at rest on a table. What type of force keeps it from falling through the table?
Normal force
Which First Amendment protects freedoms of religion, speech, press, assembly, and petition?
The First Amendment
How many protons are in an atom of carbon?
6
22*6
What organelle is known as the “powerhouse of the cell” because it produces most of the cell’s energy?
Mitochondria
A car moves at a constant speed of 20 m/s. What is its acceleration?
0 m/s 2
What are the first ten amendments to the United States Constitution called?
The Bill of Rights
Is water (H₂O) an element, compound, or mixture?
Compound
3x+7=19
4
Which process do plants use to convert sunlight, carbon dioxide, and water into glucose and oxygen?
Photosynthesis
A car accelerates from 0 m/s to 10 m/s in 5 seconds. What is its acceleration?
2 m/s²
When was the Declaration of Independence signed?
1776
On the pH scale, which number represents a neutral solution?
7
Find the derivative of f(x)=5x2
f`(x)=10x
How many chromosomes do human body (somatic) cells have?
Human body cells have 46 chromosomes
A 2 kg object is dropped from a height of 5 m. Neglect air resistance. What is its velocity just before it hits the ground?
10 m/s
Who built the highway system?
Dwight D. Eisenhower
A gas occupies 3.00 L at 2.00 atm and 300 K. What volume will it occupy at 1.00 atm and 600 K?
12.0 L
∫3x2dx
x3+C
During cellular respiration, one molecule of glucose is broken down. How many total ATP molecules are produced under ideal conditions?
About 36–38 ATP molecules
A 10 N force is applied to a 2 kg block on a frictionless surface. What is the block’s acceleration?
5 m/s2
When did the Civil War end?
1865