A piece of unknown solid substance weighs 257.6 g, and requires 4979 J to increase its temperature from 25.4 °C to 75.6 °C. (a) What is the specific heat of this substance? [SpecificHeat] (b) What is its likely identity according to this table? [Identity]

Thallium was used as a poison in the Agatha Christie mystery story “The Pale Horse.” Thallium has two possible cationic forms, +1 and +3. The +1 compounds are the more stable. Write the electron configuration of the +1 cation of thallium. Note: write configuration in the following form. 1s22s22p63s2

Indicate what type, or types, of reaction this reaction represents:  

What is the total mass (amu) of carbon in each of the following molecule? CH3CO2H (acetic acid)  

The First Amendment means private businesses cannot fire employees for political speech.

The EEOC has oversight power, but not enforcement power.

Promises made to job applicants are generally enforceable, even if not approved by the company’s top executives.

Secured parties may repossess the collateral at any time for any reason.

Name of Test : Unit 8 & 9 Summative Assessment Duration of Test : 60 minutes You may begin your test.    Once completed, please scan and upload your work as a single PDF file. (Must complete) Upload all scratch paper as supporting document for this test. To retrieve your work via Gmail with Honor Lock enabled, use the link below: https://mail.google.com/mail/u/0/#inbox If you are using Airdrop, you can ignore this instruction. 

Alex, a college student recently diagnosed with HIV. After Alex’s HIV diagnosis, which of the following dietary choices would best support their immune system?