Which type of radiation do people try to protect themselves from by wearing protective clothing that is made of aluminum?

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.