While heating two different samples of water at sea level, one boils at 102°C and one boils at 99.2°C. Calculate the percent error for each sample from the theoretical 100.0°C

Describe three sources for SDS related to chemicals provided in Science Interactive lab kits.  Finding the SDS on the science interactive website.  Searching “Safety Data Sheet” and the name of the chemical on the Internet.  Requesting more information from your instructor.   

Why is scientific notation often used when recording experimental measurements?

Recall the Lab Safety assignment that you completed last week.  Which of these were listed as correct substitutions for First Aid Kit in your chemistry lab area?

What are the properties that distinguish Metalloids on the Periodic Table from other types of elements?

Why should dimensional analysis be used to convert units of measure?

Which characteristics of metalloids are more like nonmetals based on the research you conducted and the information recorded in Data Table 1 in the Intro to the Periodic Table Lab?

Use the Selected Option Quotations for Proctor & Gamble (P&G) when responding to this question. Suppose you bought the January X=65 Call contract on November 9. If you closed out your position by selling the same contract on November 29, your percentage rate of return on your initial investment would be closest to (ignore transactions costs):

Use the Selected Option Quotations for Proctor & Gamble (P&G) when responding to this question. It is November 9 and you own 100 shares of P&G’s common stock. You decide to write a covered call using the January X=65 call option. Select the statement(s) that is (are) true. (Ignore transactions costs.)

The density of ethanol at 20°C is 0.791 g/mL. How many milliliters of ethanol correspond to 12.0 g of ethanol at 20°C?