Why don't roller coaster cars return to the

same height at which they started?

A. They are broken.

B. They are safer this way.

C. They transfer some of their energy into thermal energy and sound energy.

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Is pop a solution or mixture?

In a chemical reaction, 300 grams of reactant A are combined with 100 grams of reactant B. Both A and B react to completion. How much will the product weigh?

I like this guy but i don't think he likes me back. he also goes to school somewhere else, but we see eachother every friday. he doesn't talk to me he just looks at me and looks away. what do i do ...

Silver nitrate has lattice energy of - 820kj/mol and a heat of solution of + 22.6 kj/mol. calculate the heat of hydration for silver nitrate

A series circuit has two 5.0-ohm resistors and a power source of 9.0 volts. How will the current be affected and what will it be if another resistor (with a resistance of 7.5 ohms) is added to the circuit? A. increase; 0.51 amps B. increase; 0.

Which type of reaction will occur when equal volumes of 0.1 M HCl and 0.1 M NaOH are mixed 1. Neutralization 2. Ionization 3. Electrolysis 4. Hydrolysis

What is molarity of heavy water?

Do all liquids freeze at the same rate

Convert 1.67 x10^24 atoms of carbon to moles of carbon