4 NH3 + 5 O2 ---> 4 NO + 6 H2O How many grams NH3 are needed to form 11.2 liters of NO gas at STP?

molar mass NH3 = 17 g/mol

A 106.3
B 68
C n/a
D 8.5

Janel’s class studied properties of matter and how matter can change. janel decided she would do an experiment mixing baking soda and vinegar.question: describe the properties of baking soda and vinegar, and explain the changes that janel should see when she mixes the two types of matter. •first, identify the physical state of matter of baking soda. describe another property of baking soda. •next, identify the physical state of matter of vinegar. describe another property of vinegar. •then, explain what janel should see when she mixes the baking soda and vinegar. •describe the states of matter of the new materials that are formed. •explain how janel can be certain a change has occurred. me

The movement of tectonic plates and in two locations is described below: location a: tectonic played push together location b: tectonic plates push apart

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)