3. Mg + 2HCl → MgCl, + H, What volume of hydrogen at STP is produced from the reaction of 50.0 g of Mg
and the equivalent of 75 g of HCI?

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.

Connect the whole numbers on the periodic table to indicate what they represent?

Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea