You mix 145 grams of water with 200 grams of ethanol to make a solution. What is the solute and what is the solvent?

Most of the volume of a gas is

5g of aspirin will powder will take effect more quickly than a 5g aspirin tablet because the powder has more what

Why do reactivity increases on moving from top to bottom in group 2 of modern periodic table?

Which of the following liquids is most volatile? O water Oether O molten salt Oskim milk

What kind of thermochemical equation is represented below? CaO (s) + H2O (l) - > Ca (OH) 2 (s) + 65.2 kj A. Endothermic B. Exothermic C. Neutralization D. Single replacement reaction

Why are Van der Waals forces important? A) They determine how strong dipole moments will be in polar covalent molecules B) They are the strongest type of intermolecular force that can act on polar and non-polar molecules C) They are primary

When heat is added to or removed from a substance, it may change its state. What state will most likely result if heat is added to a liquid?

Chemical Reactions Lab Procedures: 1. Place a 1cm long piece of white chalk in a clear plastic cup. 2. Add 5 mL of vinegar to the cup. 3. Record your observations. If you were performing the procedures above you would need to A.

How many moles of oxygen are in 0.53 moles of co 22?

The car wit fastest acceleration is the tempest. it has an acceleration of 6.1 m/s. suppose the car accelerates from rest to a final speed of 30. m/s. how long does it take the tempest to reach this speed?