Is coffee an acid or base

Using the equation, C5H12 + 8O2 Imported Asset 5CO2 + 6H2O, if an excess of pentane (C5H12) were supplied, but only 4 moles of oxygen were available, how many moles of water would be produced?

Which of the following is true regarding activation energy

if you are told to get 100 mL of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?

What is an example of turning chemical energy into light energy?

Which of the following best represents potential energy being converted to kinetic energy? 1) A roller coaster starts at the top of a hill and then rolls down the hill.

23 Which term identifies the half-reaction that occurs at the anode of an operating electrochemical cell? (1) oxidation (3) neutralization (2) reduction (4) transmutation

Which of the following is true? A) Gas atoms subjected to electricity emit bright lines of light. B) Gas atoms absorb white and emit a continuous spectrum of light. C) Gas atoms under high pressure emit dark lines against a continuous spectrum.

What common household element can, over time, reduce airflow, insulate components, reduce heat exchange or even cause the system to hang or reboot?

Clouds that form at an elevation of 3 kilometers will most likely be composed of A) raindrops B) ozone C) ice crystals D) sleet

Describe how glacial erosion influenced the topography of Ohio.