Which of the following are created by combining n-type and p-type semiconductors? actinides nitinols diodes lanthanides

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions

In an experiment, 45g of silicon tetrachloride are treated with 45ml of water. what is the theoretical yield in grams of hcl