9 Questions
Which one of these is the correct equation to prepare 500 mL of a 3 M NaCl solution?
$m = \frac{M \cdot V},{1000}$
What is a graduated cylinder used for?
Measuring volume
When a reaction in solution produces energy, what happens to the temperature of the solution?
The temperature increases
What entropy changes occur when a substance melts?
Entropy increases
How are kinetic energy and potential energy different?
Kinetic energy is the energy of motion, while potential energy is the energy of position
What energy changes occur to a mass that starts from rest and slides without friction from the top to the bottom of an inclined plane?
Potential energy increases and kinetic energy increases
How are physical changes in a substance different from chemical changes?
Physical changes involve a change in state, while chemical changes do not
How many neutrons are in 14 6 C?
8
What is an example of a nuclear reaction involving alpha decay?
$^{238}{92}U ightarrow ^{234}{90}Th + ^4_2He$
Test your knowledge on basic principles of matter and energy with this engaging quiz. Explore topics such as preparing solutions, the role of a graduated cylinder, temperature changes in reaction solutions, entropy changes during melting, and the differences between kinetic and potential energy. Challenge yourself and expand your understanding of energy changes in various scenarios.
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