2. How many grams of sodium would react with 160 g of bromine to produce sodium bromide?

2Na + Br2 → 2NaBr

A. 75 g of sodium
B. 110 g of sodium
c. 92 g of sodium
D. 88 g of sodium

Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 × 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)

In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)

The compound formed from 2 atoms of hydrogen and one atom of oxygen is