In a science experiment 50 grams of salt are placed in a metal pan and are dissolved in 100 mL of water. The water is heated for 3 minutes. What is most likely happening in the pan when the water reaches 100°C? A. The water will have all evaporated.
B. The water will no longer contain salt.
C. The water will be boiling.
D. The water will be cool enough to pour into a beaker.

What metric units would you use to measure the thickness of a key

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver