How do bacteria, a rose and an elephant relate to each other in size life span and structure

Calculate the volume (in ml) of 0.170 m naoh that must be added to 389 ml of 0.0543 m 3 - (n-morpholino) propanesulfonic acid (mops) to give the solution a ph of 7.55. the pka of mops = 7.18.

Write a balanced chemical equation for dissolving sodium bromide in water.

A balloon with a volume of 2.0 L at 25°C is placed in a hot room at 35°C. The pressure on the balloon is constant at 1.0 atm. How does the volume of the balloon change after moving it to the hot room?

Which of the following is unit of energy? a. columb-volt b. volt-metre c. volt/coloumb d. column/volt

Na and Cl are chemical symbol

High-purity silicon is obtained using a three-step process. the first step involves heating solid silicon dioxide, sio2, with solid carbon to give solid silicon and carbon monoxide gas.

If an experiment produces 5g but should have made 500 g what is the percent yield

Satellites orbit Earth in the.

In a basic solution A. concentration of OH - > concentration of H+. B. concentration of OH - < concentration of H+. C. concentration of OH - = concentration of H+. D. concentration of H + > concentration of OH-.

You have two balloons of equal volume at room temperature and 1 atm pressure. One balloon is filled with He and the other is filled with H2. Which statement is true about the relative number of gas particles in the two balloons?1.