How many molecules are in 237g (about a cup of water)

What are energy sublevels?

Which causes the medium to vibrate in a direction parallel to

If you burn 6 moles of Hydrogen gas how much heat is generated? 2H2 + O2 → 2H20+286 kJ

How temperature can affect the speed of reaction.

How much work must be done on a 10-kg bicycle to increase its speed from 5 m/s to 10 m/s?

The four elements comprising over 90 of living matter are

Consider the gas-phase reaction, n2 (g) + 3 h2 (g) 2 nh3 (g), for which kp = 43 at 400 k. if the mixture is analyzed and found to contain 2.0 bar of n2, 2.0 bar of h2 and 27.0 bar of nh3, describe the situation:

How many moles of ions are in 285 ml of 0.0150 m mgcl2?

Given: logK=nE∘0.0592 What is the value K for this redox reaction? Zn2 + (aq) + 2 Cl - (aq) → Zn (s) + Cl2 ( g. Ecell = - 2.12 V

What is 350 kelvin on the Celsius scale of temperature?