Which of these is a property of bases? A. They turn litmus paper blue. B. They feel sticky. C. They taste sour. D. They produce hydrogen gas when reacted with minerals

Which metal will replace nickel from solution? (Copper, lead, silver, or iron)

If an atom contains 12 protons and 10 neutrons, what's its mass number?

Which of the following explains the increase in reaction rate caused by raising the temperature or raising the pressure of a system? a) surface area theory b) activation energy theory c) potential energy theory d) collision theory

A solenoid 2 cm long consists of 5653 loops of wire. If the magnetic field inside the solenoid is 4 T, what is the magnitude of the current that flows through it? A solenoid 2 cm long consists of 5653 loops of wire.

Lightning is a very large flow of electrical energy. Describe the type of energy that creates the electrical energy.

A chemist reported that 100 gallons of a gas were available in a laboratory. Which property of the gas did the chemist report?

Is the water density higher than the aluminum density

How many moles of molecular oxygen (o2) are consumed in the complete combustion of one mole of pentane (c5h12) ?

A gas has a volume of 30 L at 105 kPa. What pressure is required to compress the gas to 21 L?

Using special equipment which layer of the sun atmosphere is visible during a total solar eclipse