Wny do we use the unit light years

The complete combustion of octane, a component of gasoline, is represented by the equation: 2 C8H18 (l) + 25 O2 (g) →16 CO2 (g) + 18 H2O (l) How many liters of CO2 (g), measured at 63.

What can be created with differential weathering

The most common element in the atmosphere are

The wavelength of light that has a frenquency of 1.20x10^13s^-1

Tekanan uap jenuh air murni pada suhu 20°C adalah 18 mmHg. apabila pada temperatur yang sama sebanyak 120 gram zat x dilarutkan dalam 990 gram air, tekanan uap larutan menjadi 17,37 mmHg, hitunglah massa molekul relatif zat x?

How many atoms are in 1.25 moles of calcium acetate, ca (c² h³ o²) ²?

What is a physical change? A change in matter from one form to another without becoming a new substance. A change in matter that results in a chemical reaction. A change in matter that results in the smallest unit of a compound.

You are in the room with several objects, the temperature in the room is 21 celcius, what can you assume about the temperatures of the objects in the room?

If a sample contains 74.0% of the R enantiomer and 26.0% of the S enantiomer, what is the enantiomeric excess of the mixture?

In a solution, the solvent particles are attracted to the solute particles by: a) ion/dipole forces b) dipole/dipole forces c) van der Waals forces d) any or all of these forces