How we can measure the density of different wooden object?

While performing an experiment involving a reaction between two chemicals, the scientist observes that the reaction container has become warm.

What is its molecular compound name for CI4

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

Heat capacity is a measure of the heat required to A) expand the volume of a substance. B) evaporate a substance. C) freeze a substance. D) raise the temperature of 1 gram of a substance by 1°C

Exercise : For the pentapeptide Glu - met-Arg - Thr-Gly (a) Name the carboxyl - terminal residue (b) give the # of charged groups at pH7 (c, give the net charge at pH 1 id, draw the peptide bond between Thr & Gly

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?