General Science
What is the oxidation state of hydrogen atoms in ammonia?
+
What is Planck's Constant
6.62607015 × 10-34 m^2 kg / s
What is the largest museum in the world?
Answer: The Louvre, located in Paris
Expand: 7! = 7 * 6 * 5!.
Factor: 7! - 5! = (7 * 6 * 5!) - 5! = 5! * (7 * 6 - 1).
Simplify: 5! * (42 - 1) = 5! * 41 = 120 * 41 = 4920.
Which of the following is a non-polar molecule:
A) HCN
B) HBr
C) CHCl3
D) CO2
D CO2
Which element is found in Period 2 and Group 4A of the Periodic Table:
Carbon
A 4 kilogram object is moving with a speed of 10 meters per second to the left when it explodes into two equal pieces. If one of the pieces is moving 2 meters per second to the right after the explosion, what is the speed in meters per second and direction of the other piece?
22m/s to the left
What is the largest lake in North America?
Answer: Lake Superior
Find the solution to the quadratic Equation
x^2 - 4x - 12 = 0.
-2, 6
What is the Electron Configuration of Hg
[Xe]4f145d106s2
What enzyme is responsible for adding new bases to DNA in the 5’ to 3’ (READ AS: five prime to three prime) direction?
Spanky swings a ball on the end of a string and maintains it in uniform circular motion, what is the most accurate term for the force exerted on the rock through the string?
Centripetal
Which country is known as the “Land of a Million Elephants”?
Answer: Laos
As a base-10 logarithm, what is 3 log10 2 + log10 5 ?
Log10 40
Specifying the sign, what is the oxidation state of phosphorus in Na2P2O6?
What are the 7 base SI units respectively?
meter kilogram second ampere kelvin mole candela
Which of the following is NOT a strong acid?
a) Hydrochloric Acid
b) Phosphoric Acid
c) Sulfuric Acid
d) Perchloric Acid
b) Phosphoric Acid
Name all countries that border Russia.
Poland and Lithuania (both via Kaliningrad Oblast), Norway, Finland, Estonia, Latvia, Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, China, Mongolia, and North Korea.
What is the derivative of sin(w) at w = 0?
1
which of the following substances has the highest intermolecular forces : water, methanol, ethanol, diethyl ether?
Water
What is the acceleration, in meters per second squared, of a 10-kilogram snow sled that is on a frictionless horizontal surface if a horizontal force of 500 newtons is applied to it?
ANSWER: 50
In 1901, 63-year-old retired schoolteacher Annie Edson Taylor went over the Niagara Falls in a barrel. The Horseshoe Falls have a height of about 51 meters. Using 9.8 meters per second squared as the acceleration due to gravity; about how long in seconds did it take for her to reach the water surface? Assume that her initial velocity was zero, and neglect the effect of the air on the barrel during the fall.
BETWEEN 3 AND 4 SECONDS
Which country would you visit to see the historical city of Petra?
Answer: Jordan
AB and CD are parallel line segments intersected by the line segment EF. Endpoint E lies on AB, and endpoint F lies on CD. If angle CEF is 18 ̊ and angle CFE is 125 ̊, what is the measure of angle AEC?
37 ̊
What element has the lowest boiling point?
Helium