What volume is occupied by 12.0 moles of gas at 3.5 atm pressure and t = 40 °c? (r = 0.0821 l atm/mole k)

How many grams of mgo are produced when 35.0 grams of o2 react completely with mg?

What is the number of valence electrons in cadmium (Cd) ? 1 2 10 12

If the same amount of heat is supplied to samples of 10.0 g each of aluminum, iron, and copper all at 15∘C, which sample would reach the highest temperature

A mixture can be classified as a solution, suspension, or colloid based on the a. number of particles it contains. b. size of its largest particles. c. color of its particles. d. size of its smallest particles

What is 2000 converted to scientific notation

if the stabilized has on the display of a digital top loading balance reads 3.070 g which digits should have recorded on your data page? How many significant figured does your record number have?

Passing of traits from parents to offspring is called

Calculate the percent composition of these compounds: (Ethane:C2H6) and (Sodium hydrogen sulfate: NaHSO4).

What kind of waves are used in many forms of communication

What is the volume, in L, of 0.691 moles of O_2 2? gas having a temperature of 66.1? C and pressure of 5.91 atm