How many sublevels of an atom are there? And how does it relate to the periodic table

If you burn 50.4 g of hydrogen and produce 4.50 * 102 g of water, how much oxygen reacted?

Determine the vapor pressure of a solution at 55 °C that contains 34.2 g NaCl in 375 g of water. The vapor pressure of pure water at 55 °C is 118.1 torr. The van't Hoff factor for NaCl is 1.9

Scientists found a fern fossil in some rock layers of the Grand Canyon. They estimated that a sample of one of the fossils originally contained 1000 carbon-14 atoms when it became 'fossilized', and at the time it was tested, it only contained 250

Consider the chemical reaction in equilibrium. H2 + I2 + heat ⬄ 2HI What will happen to the chemical equilibrium if the temperature of the system is increased?

In anatomical, directional terminology, the esophagus is__ to the mouth

How is pressure related to buoyant force

How are saturated and supersaturated solutions similar?

Cobalt fluoride crystallizes in a closest packed array of fluoride ions, with the cobalt ions filling one-half of the octahedral holes. What is the formula of this compound?

When you get into a parked car in the summer time, the metal clip is hot and the seat belt fabric is not. What has a higher specific heat, the metal clip or the seat belt fabric? Think about the definition of specific heat.

A laboratory procedure calls for making 600.0mL of a 1.1M KNO3 solution. How much KNO3 in grams is needed?