What is the half life of an isotope that is 75% decayed after 16 days?

What number is considered neutral? (On the pH scale)

H2 H2O H2O2 CH4 All four examples represent

Hydroxylamine is a weak molecular base with kb = 6.6 x 10-9. what is the ph of a 0.0500 m solution of hydroxylamine?

In the mechanism of nucleophilic substitution (SN1 or Sn2), an existing bond breaks and a new bond forms.

How many moles of co2 are produced when 5.70 mol of ethane are burned in an excess of oxygen

How is an unsaturated fat converted to into a saturated fat?

Is hydrofluoric acid stronger than acetic acid?

How much energy does an electric hair dryer use if it draws 8.3 amps of current when using 120 volts for 5.0 minutes?

You need a 45% alcohol solution. on hand, you have a 480 ml of a 40% alcohol mixture. you also have 85% alcohol mixture. how much of the 85% mixture will you need to add to obtain the desired solution?

Write the net ionic reation for the neutralization of hcl by naoh. calculate hrxn for reaction from the enthepies of formation of the reactiom and product