A car moves at a speed of 50 kilometers/hour. Its kinetic energy is 400 joules. If the same car moves at a speed of 100 kilometers/hour, then its kinetic energy will be 800 1,600 3,200 4,500 joules.

Theresa invested $5,000 in an account she expects will earn 7% annually. Approximately how many years will it take for the account to double in value?

Explain why scientists are concerned about human activities that cause global warming if global warming is caused by the greenhouse effect and the greenhouse effect is a natural part of Earth's climate

Which type of energy is associated with the random motion of the particles in a sample of gas? (1) chemical energy (2) electromagnetic energy (3) nuclear energy (4) thermal energy

Give the actual ground-state electron configuration for copper (Cu) using the complete form. Express the electron configuration using superscripts where appropriate. For example, the configuration for Li would be entered as 1s^22s^1.

Two reactants combine to form one new product. Which of the following best describes this type of chemical reaction? Combustion Synthesis Decomposition Single Replacement

Referring to an activity series, which of the following combinations of reactants would not produce a successful single-replacement reaction? Zn + CuSO4 Ca + MgSO4 Ag + SnSO4 K + Na2SO4

What is the difference between the energy of spring A, stretched 0.6 meters, and spring B, stretched 0.3 meters, if they have the same spring constant?

Which level of organization describes an oak tree forest with bacteria, fungi, dead leaves, butterflies, blue jays, stones? A) biome B) biosphere C) community D) ecosystem

How is an oxidation half-reaction written using the reduction potential chart? How is the oxidation potential voltage determined?

A can of soda is 335ml what is 2 cans of soda in ml