Calculate the mass number for an atom that has 45 neutrons and 35 electrons.

Write the equation for the reaction of pentanoic acid with KOH

which will feel warmer to the touch, a bucket of water at 50°C or a bathtub filled with water at 25°C

Science is based on? A. Facts B. Observations C. Both facts and observations D. Neither facts nor observations

Give your determination of the stoichiometric formula of copper sulfide. a. Show the work detailing the proof of your assertion for the formula of the copper sulfide that you synthesized.

Which term describes technology that operates on an atomic level? a) electromagnetic b) nanoscale c) biochemical d) invisible

Consider the polymerization of styrene in toluene at 60°C initiated by di-t-butylperoxide for a solution containing 0.04 mol of initiator and 2 mol of monomer per liter. The initial rates of initiation, Ri, and propagation, RP, are found to be 1.

Which of the dollowing isotopes have 8 neutrons in the nucleus? 0-15 0-17 C13 O C14

Click the DeltaH is an Extensive Property button within the activity, and analyze the relationship between the two reactions that are displayed.

The fundamental unit used to measure mass is?

What are some ways population size is limited within an ecosystem?