Essment #1 Units 1-3 CALCULATOR
COLOR THEME
QQ ZOOM
ADD N
1. Which of the following is the BEST evidence that rusting is a chemical property rather than a
physical property of iron?
Rust can form on
nanyire
iron.
Rust forms slowly.
o
Rust cannot turn back into iron.
o
Rust does not look the same as iron.
CLEAR ALL

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

What is the most important factor in determining climates.