Atom with mass number of 31 and 16 neutrons what is the atomic number

The gas in a cylinder has a volume od 2 liters at a pressure of 104 kpa the pressure of the gas increased to 223 kpa assuming the temperature remains constant what would the new volume be

How do you know when writing out equations the state of the element or compound

Use Avogadro's number to find the number of oxalic acid molecules in 0.189 mol of H2C2O4.

How many grams of licl are needed to make a saturated solution with 300. g of water at 20°c?

g Infrared radiation from young stars can pass through the heavy dust clouds surrounding them, allowing astronomers here on Earth to study the earliest stages of star formation, before a star begins to emit visible light.

What character acids is that they react with metals to

The energy of a particular color of green light is 3.81*10-22 kJ/photon. The wavelength of this light is nanometers

How many molecules are in. 25 mole of O2

A flexible container is filled with 960.0 liters of air at 38 degrees Celsius. If pressure in the container does not change, at what temperature will the container have at a volume of 350.0 liters?

Which subatomic particles are paired with their charges? 1. electron-positive, neutron-negative, proton-neutral 2. electron-negative, neutron-neutral, proton-positive 3. electron-negative, neutron-positive, proton-neutral 4.