The spontaneous intermingling of atoms among different substances is accomplished by diffusion.

a. True

b. False

What is the total number of molecules represented by the following equation? 2C4H10 (g) + 13O2 (g) 8CO2 (g) + 10H2O (g) ? A 18 B 4 C 15 D 33

How to convert grams CaCo3 to mg/L as CaCo3?

A 2.425 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of the calorimeter and its contents increase from 24.91 ∘ C to 30.28 ∘ C. The heat capacity (calorimeter constant) of the calorimeter is 28.

The liter (L) is a measurement of which of the following quantities?

Calculate the final celsius temperature required to change 80 liters of helium at 185 K and 1.75 atm to 85 liters at 2.00 atm.

How was helium first discovered?

When is alpha particle emission most likely to occur? A. When the nucleus has more than 83 protons. B. When the ratio of neutrons to protons in the nucleus is too high to be stable. C. When the nucleus has a mass of more than 83 amu. D.

Researchers used a combustion method to analyze a compound used as an antiknock additive in gasoline. A 9.394 mg sample of the compound yielded 31.154 mg of carbon dioxide and 7.977 mg of water in the combustion.

The formula for binary ionic compound formed between cesium and fluorine

If the mass of a material is 76 grams and the volume of the material is 16 cm3, what would the density of the material be? g/cm3