What do Boron and germanium have in common

When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the reaction caco3 (s) →cao (s) + co2 (g) what is the mass of calcium carbonate needed to produce 47.

How many eggs are present in one mole of eggs?

When a white powder is added to a liquid in a beaker at room temperature, the beaker becomes too hot to touch. What kind of reaction is this an example of? A. a fusion reaction B. a combustion reaction C. an exothermic reaction D.

Why does ice float in liquid water? the high surface tension of liquid water keeps the ice on top. stable hydrogen bonds keep water molecules of ice farther apart than water molecules of liquid water.

CH3CH2CH2CH2CH2OH compound name

According to the octet rule most elements need_valence electrons.

What is the average speed of particle in a gas at room temperature? Why is temperature an important variable?

An electron is in a region outside the nucleus. An electron a) Is larger than a proton and has no charge b) Has less mass than a proton and has a negative charge c) Is smaller than a proton and has no charge d) Has a positive charge

Under conditions of "feasting", the body favors oxidation/utilization of which source for energy production

2.17 in to 10^23 molecules of Br 2 to moles