When a scientist analyzes experimental results, the scientist is generally:

a- picking an independent variable to test.

b- recording observation

c- creating graphs and performing calculations

d- sharing results with colleagues

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

What natural processes produce large quantities of co2