Given a stock standard solution of concentration 0.200 M, calculate the volume in mL required to make up calibration standards of the following concentrations (in 25.0 mL volumetric flasks)

1.60 x 10-2 M ... mL

Why is it not advisable to wash the thermometer with hot water?

A 2 - ion has 36 electrons and 45 neutrons. what is its correct symbol

A gas at 255 kilopascals and 45°C has an initial volume of 2.00L. The pressure of the gas increases to 805 kilopascals as the temperature is raised to 255°C. What will be the new volume? 1.05 liters 2.28 liters 1.25 liters 0.44 liters 1.50 liters

Calculate the standard cell potential given the following standard reduction potentials: Al3++3e-→Al; E∘=-1.66 V Cu2++2e-→Cu; E∘=0.340 V

Some bacteria can reproduce at every 20 minutes. true or false

Drag the appropriate elements to their respective bins

Compare how an increase in wavelength affects sounds and light waves.

The addition of an acid to water increases the [H30*) of the solution and increases the solution pH. True or False True False

31.65 mL volume of 1.07 M Fe (NO3) 3 is mixed with 44.96 mL of 0.79M Fe (NO3) 3 solution. Calculate the molar concentration of the final solution. Save rounding until the end.

At standard pressure, during which physical change does the potential energy decrease?